{
  "PLATFORM": {
    "num_psus": 2,
    "num_fantrays": 3,
    "num_fans_pertray": 1,
    "num_ports": 64,
    "num_temps": 3,
    "pddf_dev_types": {
      "description": "RA-B6910-64C",
      "CPLD": [
        "i2c_cpld"
      ],
      "PSU": [
        "psu_eeprom",
        "psu_pmbus"
      ],
      "FAN": [
        "fan_ctrl",
        "fan_cpld",
        "fan_eeprom"
      ],
      "PORT_MODULE": [
        "pddf_xcvr",
        "optoe1",
        "optoe2"
      ]
    },
    "std_kos": [
      "i2c-ismt",
      "i2c-i801",
      "i2c_dev",
      "i2c_gpio",
      "i2c_algo_bit",
      "i2c_mux_pca9641",
      "i2c_mux_pca954x force_create_bus=1",
      "lm75",
      "optoe",
      "at24",
      "pmbus_core"
    ],
    "pddf_kos": [
      "pddf_client_module",
      "pddf_cpld_module",
      "pddf_cpld_driver",
      "pddf_mux_module",
      "pddf_xcvr_module",
      "pddf_xcvr_driver_module",
      "pddf_psu_driver_module",
      "pddf_psu_module",
      "pddf_fan_driver_module",
      "pddf_fan_module",
      "pddf_led_module",
      "pddf_sysstatus_module"
    ],
    "custom_kos": [
      "ragile_platform",
      "rg_cpld",
      "rg_fan",
      "rg_psu",
      "rg_gpio_xeon",
      "csu550"
    ]

  },

  "SYSTEM": {
    "dev_info": {
      "device_type": "CPU",
      "device_name": "ROOT_COMPLEX",
      "device_parent": null
    },
    "i2c": {
      "CONTROLLERS": [{
        "dev_name": "i2c-0",
        "dev": "SMBUS0"
      }, {
        "dev_name": "i2c-2",
        "dev": "SMBUS1"
      }, {
        "dev_name": "i2c-1",
        "dev": "I2C-GPIO0"
      }]
    }
  },

  "SMBUS0": {
    "dev_info": {
      "device_type": "SMBUS",
      "device_name": "SMBUS0",
      "device_parent": "SYSTEM"
    },
    "i2c": {
      "topo_info": {
        "dev_addr": "0x0"
      },
      "DEVICES": [{
          "dev": "CPU_CPLD"
        },
        {
          "dev": "CONNECT_BOARD_CPLD1"
        }
      ]
    }
  },

  "CPU_CPLD": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "CPU_CPLD",
      "device_parent": "SMBUS0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x0",
        "dev_addr": "0x0d",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "CONNECT_BOARD_CPLD1": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "CONNECT_BOARD_CPLD1",
      "device_parent": "SMBUS0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x0",
        "dev_addr": "0x32",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "SMBUS1": {
    "dev_info": {
      "device_type": "SMBUS",
      "device_name": "SMBUS1",
      "device_parent": "SYSTEM"
    },
    "i2c": {
      "topo_info": {
        "dev_addr": "0x2"
      },
      "DEVICES": [{
          "dev": "MAC_BOARD_CPLD1_A"
        },
        {
          "dev": "MAC_BOARD_CPLD2_A"
        },
        {
          "dev": "CONNECT_BOARD_CPLD2"
        },
        {
          "dev": "FAN-CTRL"
        },
        {
          "dev": "TEMP1"
        },
        {
          "dev": "TEMP2"
        },
        {
          "dev": "TEMP3"
        },
        {
          "dev": "EEPROM1"
        },
        {
          "dev": "MUX1"
        }
      ]
    }
  },

  "MAC_BOARD_CPLD1_A": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "MAC_BOARD_CPLD1_A",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x33",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "MAC_BOARD_CPLD2_A": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "MAC_BOARD_CPLD2_A",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x35",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "CONNECT_BOARD_CPLD2": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "CONNECT_BOARD_CPLD2",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x37",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "FAN-CTRL": {
    "dev_info": {
      "device_type": "FAN",
      "device_name": "FAN-CTRL",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x66",
        "dev_type": "fan_cpld"
      },
      "dev_attr": {
        "num_fantrays": "3"
      },
      "attr_list": [{
          "attr_name": "fan1_present",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x30",
          "attr_mask": "0x1",
          "attr_cmpval": "0x0",
          "attr_len": "1"
        },
        {
          "attr_name": "fan2_present",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x30",
          "attr_mask": "0x2",
          "attr_cmpval": "0x0",
          "attr_len": "1"
        },
        {
          "attr_name": "fan3_present",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x30",
          "attr_mask": "0x4",
          "attr_cmpval": "0x0",
          "attr_len": "1"
        },
        {
          "attr_name": "fan1_input",
          "attr_devname": "CONNECT_BOARD_CPLD2",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x1b",
          "attr_mult": "1",
          "attr_len": "2"
        },
        {
          "attr_name": "fan2_input",
          "attr_devname": "CONNECT_BOARD_CPLD2",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x1d",
          "attr_mult": "1",
          "attr_len": "2"
        },
        {
          "attr_name": "fan3_input",
          "attr_devname": "CONNECT_BOARD_CPLD2",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x37",
          "attr_offset": "0x1f",
          "attr_mult": "1",
          "attr_len": "2"
        },
        {
          "attr_name": "fan1_pwm",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x32",
          "attr_offset": "0x15",
          "attr_mask": "0xff",
          "attr_len": "1"
        },
        {
          "attr_name": "fan2_pwm",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x32",
          "attr_offset": "0x15",
          "attr_mask": "0xff",
          "attr_len": "1"
        },
        {
          "attr_name": "fan3_pwm",
          "attr_devtype": "cpld",
          "attr_devaddr": "0x32",
          "attr_offset": "0x15",
          "attr_mask": "0xff",
          "attr_len": "1"
        }
      ]
    }
  },

  "TEMP1": {
    "dev_info": {
      "device_type": "TEMP_SENSOR",
      "device_name": "MAC_TEMP_INLET",
      "device_parent": "SMBUS1"
    },
    "dev_attr": {
      "display_name": "Temp_1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x48",
        "dev_type": "lm75"
      },
      "attr_list": [{
          "attr_name": "temp1_high_threshold",
          "drv_attr_name": "temp1_max"
        },
        {
          "attr_name": "temp1_max_hyst"
        },
        {
          "attr_name": "temp1_input"
        }
      ]
    }
  },

  "TEMP2": {
    "dev_info": {
      "device_type": "TEMP_SENSOR",
      "device_name": "MAC_TEMP_OUTLET",
      "device_parent": "SMBUS1"
    },
    "dev_attr": {
      "display_name": "Temp_2"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x49",
        "dev_type": "lm75"
      },
      "attr_list": [{
          "attr_name": "temp1_high_threshold",
          "drv_attr_name": "temp1_max"
        },
        {
          "attr_name": "temp1_max_hyst"
        },
        {
          "attr_name": "temp1_input"
        }
      ]
    }
  },

  "TEMP3": {
    "dev_info": {
      "device_type": "TEMP_SENSOR",
      "device_name": "MAC_TEMP_HOTEST",
      "device_parent": "SMBUS1"
    },
    "dev_attr": {
      "display_name": "Temp_3"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x4a",
        "dev_type": "lm75"
      },
      "attr_list": [{
          "attr_name": "temp1_high_threshold",
          "drv_attr_name": "temp1_max"
        },
        {
          "attr_name": "temp1_max_hyst"
        },
        {
          "attr_name": "temp1_input"
        }
      ]
    }
  },

  "EEPROM1": {
    "dev_info": {
      "device_type": "EEPROM",
      "device_name": "EEPROM1",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x57",
        "dev_type": "24c02"
      },
      "dev_attr": {
        "access_mode": "BLOCK"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "MUX1": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "MUX1",
      "device_parent": "SMBUS1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2",
        "dev_addr": "0x70",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x3"
      },
      "channel": [{
          "chn": "0",
          "dev": "FAN1-EEPROM"
        },
        {
          "chn": "1",
          "dev": "FAN2-EEPROM"
        },
        {
          "chn": "2",
          "dev": "FAN3-EEPROM"
        },
        {
          "chn": "4",
          "dev": "PSU1"
        },
        {
          "chn": "5",
          "dev": "PSU2"
        }
      ]
    }
  },

  "FAN1-EEPROM": {
    "dev_info": {
      "device_type": "EEPROM",
      "device_name": "FAN1-EEPROM",
      "device_parent": "MUX1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3",
        "dev_addr": "0x53",
        "dev_type": "rg_fan"
      },
      "dev_attr": {
        "access_mode": "BLOCK"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "FAN2-EEPROM": {
    "dev_info": {
      "device_type": "EEPROM",
      "device_name": "FAN2-EEPROM",
      "device_parent": "MUX1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x4",
        "dev_addr": "0x53",
        "dev_type": "rg_fan"
      },
      "dev_attr": {
        "access_mode": "BLOCK"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "FAN3-EEPROM": {
    "dev_info": {
      "device_type": "EEPROM",
      "device_name": "FAN3-EEPROM",
      "device_parent": "MUX1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x5",
        "dev_addr": "0x53",
        "dev_type": "rg_fan"
      },
      "dev_attr": {
        "access_mode": "BLOCK"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PSU1": {
    "dev_info": {
      "device_type": "PSU",
      "device_name": "PSU1",
      "device_parent": "MUX1"
    },
    "dev_attr": {
      "dev_idx": "1",
      "num_psu_fans": "1"
    },
    "i2c": {
      "interface": [{
          "itf": "pmbus",
          "dev": "PSU1-PMBUS"
        },
        {
          "itf": "eeprom",
          "dev": "PSU1-EEPROM"
        }
      ]
    }
  },

  "PSU1-PMBUS": {
    "dev_info": {
      "device_type": "PSU-PMBUS",
      "device_name": "PSU1-PMBUS",
      "device_parent": "MUX1",
      "virt_parent": "PSU1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x7",
        "dev_addr": "0x58",
        "dev_type": "psu_pmbus"
      },
      "attr_list": [{
          "attr_name": "psu_present",
          "attr_devaddr": "0x37",
          "attr_devtype": "cpld",
          "attr_offset": "0x51",
          "attr_mask": "0x1",
          "attr_cmpval": "0x0",
          "attr_len": "1"
        },
        {
          "attr_name": "psu_model_name",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x9a",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "12"
        },
        {
          "attr_name": "psu_power_good",
          "attr_devaddr": "0x37",
          "attr_devtype": "cpld",
          "attr_offset": "0x51",
          "attr_mask": "0x2",
          "attr_cmpval": "0x2",
          "attr_len": "1"
        },
        {
          "attr_name": "psu_mfr_id",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x99",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "10"
        },
        {
          "attr_name": "psu_fan_dir",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0xc3",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "5"
        },
        {
          "attr_name": "psu_v_out",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x8b",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_i_out",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x8c",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_p_out",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x96",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_fan1_speed_rpm",
          "attr_devaddr": "0x58",
          "attr_devtype": "pmbus",
          "attr_offset": "0x90",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        }
      ]
    }
  },

  "PSU1-EEPROM": {
    "dev_info": {
      "device_type": "PSU-EEPROM",
      "device_name": "PSU1-EEPROM",
      "device_parent": "MUX1",
      "virt_parent": "PSU1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x7",
        "dev_addr": "0x50",
        "dev_type": "psu_eeprom"
      },
      "attr_list": [{
        "attr_name": "psu_serial_num",
        "attr_devaddr": "0x50",
        "attr_devtype": "eeprom",
        "attr_offset": "0x38",
        "attr_mask": "0x0",
        "attr_cmpval": "0xff",
        "attr_len": "20"
      }]
    }
  },

  "PSU2": {
    "dev_info": {
      "device_type": "PSU",
      "device_name": "PSU2",
      "device_parent": "MUX1"
    },
    "dev_attr": {
      "dev_idx": "2",
      "num_psu_fans": "1"
    },
    "i2c": {
      "interface": [{
          "itf": "pmbus",
          "dev": "PSU2-PMBUS"
        },
        {
          "itf": "eeprom",
          "dev": "PSU2-EEPROM"
        }
      ]
    }
  },

  "PSU2-PMBUS": {
    "dev_info": {
      "device_type": "PSU-PMBUS",
      "device_name": "PSU2-PMBUS",
      "device_parent": "MUX1",
      "virt_parent": "PSU2"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x8",
        "dev_addr": "0x5b",
        "dev_type": "psu_pmbus"
      },
      "attr_list": [{
          "attr_name": "psu_present",
          "attr_devaddr": "0x37",
          "attr_devtype": "cpld",
          "attr_offset": "0x51",
          "attr_mask": "0x8",
          "attr_cmpval": "0x0",
          "attr_len": "1"
        },
        {
          "attr_name": "psu_model_name",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x35",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "12"
        },
        {
          "attr_name": "psu_power_good",
          "attr_devaddr": "0x37",
          "attr_devtype": "cpld",
          "attr_offset": "0x51",
          "attr_mask": "0x10",
          "attr_cmpval": "0x10",
          "attr_len": "1"
        },
        {
          "attr_name": "psu_mfr_id",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x99",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "10"
        },
        {
          "attr_name": "psu_fan_dir",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0xc3",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "5"
        },
        {
          "attr_name": "psu_v_out",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x8b",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_i_out",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x8c",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_p_out",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x96",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_fan1_speed_rpm",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x90",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        },
        {
          "attr_name": "psu_temp1_input",
          "attr_devaddr": "0x5b",
          "attr_devtype": "pmbus",
          "attr_offset": "0x8d",
          "attr_mask": "0x0",
          "attr_cmpval": "0xff",
          "attr_len": "2"
        }
      ]
    }
  },

  "PSU2-EEPROM": {
    "dev_info": {
      "device_type": "PSU-EEPROM",
      "device_name": "PSU2-EEPROM",
      "device_parent": "MUX1",
      "virt_parent": "PSU2"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x8",
        "dev_addr": "0x53",
        "dev_type": "psu_eeprom"
      },
      "attr_list": [{
        "attr_name": "psu_serial_num",
        "attr_devaddr": "0x53",
        "attr_devtype": "eeprom",
        "attr_offset": "0x38",
        "attr_mask": "0x0",
        "attr_cmpval": "0xff",
        "attr_len": "20"
      }]
    }
  },

  "I2C-GPIO0": {
    "dev_info": {
      "device_type": "I2C-GPIO",
      "device_name": "I2C-GPIO0",
      "device_parent": "SYSTEM"
    },
    "i2c": {
      "topo_info": {
        "dev_addr": "0x1"
      },
      "DEVICES": [{
          "dev": "MAC_BOARD_CPLD1_B"
        },
        {
          "dev": "MAC_BOARD_CPLD2_B"
        },
        {
          "dev": "PORT-MUX1"
        },
        {
          "dev": "PORT-MUX2"
        },
        {
          "dev": "PORT-MUX3"
        },
        {
          "dev": "PORT-MUX4"
        },
        {
          "dev": "PORT-MUX5"
        },
        {
          "dev": "PORT-MUX6"
        },
        {
          "dev": "PORT-MUX7"
        },
        {
          "dev": "PORT-MUX8"
        }
      ]
    }
  },

  "MAC_BOARD_CPLD1_B": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "MAC_BOARD_CPLD1_B",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x34",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "MAC_BOARD_CPLD2_B": {
    "dev_info": {
      "device_type": "CPLD",
      "device_name": "MAC_BOARD_CPLD2_B",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x36",
        "dev_type": "i2c_cpld"
      },
      "dev_attr": {}
    }
  },

  "PORT-MUX1": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX1",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x70",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0xb"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT1"
        },
        {
          "chn": "1",
          "dev": "PORT2"
        },
        {
          "chn": "2",
          "dev": "PORT3"
        },
        {
          "chn": "3",
          "dev": "PORT4"
        },
        {
          "chn": "4",
          "dev": "PORT5"
        },
        {
          "chn": "5",
          "dev": "PORT6"
        },
        {
          "chn": "6",
          "dev": "PORT7"
        },
        {
          "chn": "7",
          "dev": "PORT8"
        }
      ]
    }
  },

  "PORT-MUX2": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX2",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x71",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x13"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT9"
        },
        {
          "chn": "1",
          "dev": "PORT10"
        },
        {
          "chn": "2",
          "dev": "PORT11"
        },
        {
          "chn": "3",
          "dev": "PORT12"
        },
        {
          "chn": "4",
          "dev": "PORT13"
        },
        {
          "chn": "5",
          "dev": "PORT14"
        },
        {
          "chn": "6",
          "dev": "PORT15"
        },
        {
          "chn": "7",
          "dev": "PORT16"
        }
      ]
    }
  },

  "PORT-MUX3": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX3",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x72",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x1b"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT17"
        },
        {
          "chn": "1",
          "dev": "PORT18"
        },
        {
          "chn": "2",
          "dev": "PORT19"
        },
        {
          "chn": "3",
          "dev": "PORT20"
        },
        {
          "chn": "4",
          "dev": "PORT21"
        },
        {
          "chn": "5",
          "dev": "PORT22"
        },
        {
          "chn": "6",
          "dev": "PORT23"
        },
        {
          "chn": "7",
          "dev": "PORT24"
        }
      ]
    }
  },

  "PORT-MUX4": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX4",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x73",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x23"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT25"
        },
        {
          "chn": "1",
          "dev": "PORT26"
        },
        {
          "chn": "2",
          "dev": "PORT27"
        },
        {
          "chn": "3",
          "dev": "PORT28"
        },
        {
          "chn": "4",
          "dev": "PORT29"
        },
        {
          "chn": "5",
          "dev": "PORT30"
        },
        {
          "chn": "6",
          "dev": "PORT31"
        },
        {
          "chn": "7",
          "dev": "PORT32"
        }
      ]
    }
  },

  "PORT-MUX5": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX5",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x74",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x2b"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT33"
        },
        {
          "chn": "1",
          "dev": "PORT34"
        },
        {
          "chn": "2",
          "dev": "PORT35"
        },
        {
          "chn": "3",
          "dev": "PORT36"
        },
        {
          "chn": "4",
          "dev": "PORT37"
        },
        {
          "chn": "5",
          "dev": "PORT38"
        },
        {
          "chn": "6",
          "dev": "PORT39"
        },
        {
          "chn": "7",
          "dev": "PORT40"
        }
      ]
    }
  },

  "PORT-MUX6": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX6",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x75",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x33"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT41"
        },
        {
          "chn": "1",
          "dev": "PORT42"
        },
        {
          "chn": "2",
          "dev": "PORT43"
        },
        {
          "chn": "3",
          "dev": "PORT44"
        },
        {
          "chn": "4",
          "dev": "PORT45"
        },
        {
          "chn": "5",
          "dev": "PORT46"
        },
        {
          "chn": "6",
          "dev": "PORT47"
        },
        {
          "chn": "7",
          "dev": "PORT48"
        }
      ]
    }
  },

  "PORT-MUX7": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX7",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x76",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x3b"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT49"
        },
        {
          "chn": "1",
          "dev": "PORT50"
        },
        {
          "chn": "2",
          "dev": "PORT51"
        },
        {
          "chn": "3",
          "dev": "PORT52"
        },
        {
          "chn": "4",
          "dev": "PORT53"
        },
        {
          "chn": "5",
          "dev": "PORT54"
        },
        {
          "chn": "6",
          "dev": "PORT55"
        },
        {
          "chn": "7",
          "dev": "PORT56"
        }
      ]
    }
  },

  "PORT-MUX8": {
    "dev_info": {
      "device_type": "MUX",
      "device_name": "PORT-MUX8",
      "device_parent": "I2C-GPIO0"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1",
        "dev_addr": "0x77",
        "dev_type": "pca9548"
      },
      "dev_attr": {
        "virt_bus": "0x43"
      },
      "channel": [{
          "chn": "0",
          "dev": "PORT57"
        },
        {
          "chn": "1",
          "dev": "PORT58"
        },
        {
          "chn": "2",
          "dev": "PORT59"
        },
        {
          "chn": "3",
          "dev": "PORT60"
        },
        {
          "chn": "4",
          "dev": "PORT61"
        },
        {
          "chn": "5",
          "dev": "PORT62"
        },
        {
          "chn": "6",
          "dev": "PORT63"
        },
        {
          "chn": "7",
          "dev": "PORT64"
        }
      ]
    }
  },

  "PORT1": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT1",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "1"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT1-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT1-CTRL"
      }]
    }
  },

  "PORT1-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT1-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xb",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT1-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT1-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT1"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xb",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT2": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT2",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "2"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT2-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT2-CTRL"
      }]
    }
  },

  "PORT2-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT2-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT2"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xc",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT2-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT2-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT2"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xc",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT3": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT3",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "3"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT3-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT3-CTRL"
      }]
    }
  },

  "PORT3-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT3-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT3"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xd",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT3-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT3-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT3"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xd",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT4": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT4",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "4"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT4-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT4-CTRL"
      }]
    }
  },

  "PORT4-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT4-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT4"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xe",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT4-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT4-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT4"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xe",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT5": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT5",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "5"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT5-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT5-CTRL"
      }]
    }
  },

  "PORT5-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT5-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT5"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xf",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT5-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT5-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT5"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0xf",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT6": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT6",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "6"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT6-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT6-CTRL"
      }]
    }
  },

  "PORT6-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT6-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT6"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x10",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT6-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT6-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT6"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x10",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT7": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT7",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "7"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT7-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT7-CTRL"
      }]
    }
  },

  "PORT7-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT7-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT7"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x11",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT7-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT7-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT7"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x11",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT8": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT8",
      "device_parent": "PORT-MUX1"
    },
    "dev_attr": {
      "dev_idx": "8"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT8-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT8-CTRL"
      }]
    }
  },

  "PORT8-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT8-EEPROM",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT8"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x12",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT8-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT8-CTRL",
      "device_parent": "PORT-MUX1",
      "virt_parent": "PORT8"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x12",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT9": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT9",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "9"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT9-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT9-CTRL"
      }]
    }
  },

  "PORT9-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT9-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT9"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x13",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT9-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT9-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT9"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x13",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT10": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT10",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "10"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT10-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT10-CTRL"
      }]
    }
  },

  "PORT10-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT10-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT10"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x14",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT10-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT10-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT10"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x14",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT11": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT11",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "11"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT11-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT11-CTRL"
      }]
    }
  },

  "PORT11-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT11-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT11"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x15",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT11-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT11-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT11"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x15",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT12": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT12",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "12"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT12-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT12-CTRL"
      }]
    }
  },

  "PORT12-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT12-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT12"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x16",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT12-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT12-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT12"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x16",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT13": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT13",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "13"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT13-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT13-CTRL"
      }]
    }
  },

  "PORT13-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT13-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT13"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x17",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT13-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT13-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT13"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x17",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT14": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT14",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "14"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT14-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT14-CTRL"
      }]
    }
  },

  "PORT14-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT14-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT14"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x18",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT14-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT14-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT14"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x18",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT15": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT15",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "15"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT15-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT15-CTRL"
      }]
    }
  },

  "PORT15-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT15-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT15"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x19",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT15-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT15-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT15"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x19",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT16": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT16",
      "device_parent": "PORT-MUX2"
    },
    "dev_attr": {
      "dev_idx": "16"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT16-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT16-CTRL"
      }]
    }
  },

  "PORT16-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT16-EEPROM",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT16"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1a",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT16-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT16-CTRL",
      "device_parent": "PORT-MUX2",
      "virt_parent": "PORT16"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1a",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT17": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT17",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "17"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT17-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT17-CTRL"
      }]
    }
  },

  "PORT17-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT17-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT17"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1b",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT17-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT17-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT17"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1b",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT18": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT18",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "18"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT18-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT18-CTRL"
      }]
    }
  },

  "PORT18-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT18-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT18"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1c",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT18-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT18-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT18"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1c",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT19": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT19",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "19"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT19-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT19-CTRL"
      }]
    }
  },

  "PORT19-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT19-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT19"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1d",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT19-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT19-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT19"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1d",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT20": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT20",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "20"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT20-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT20-CTRL"
      }]
    }
  },

  "PORT20-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT20-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT20"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1e",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT20-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT20-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT20"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1e",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT21": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT21",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "21"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT21-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT21-CTRL"
      }]
    }
  },

  "PORT21-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT21-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT21"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1f",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT21-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT21-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT21"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x1f",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT22": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT22",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "22"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT22-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT22-CTRL"
      }]
    }
  },

  "PORT22-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT22-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT22"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x20",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT22-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT22-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT22"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x20",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT23": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT23",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "23"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT23-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT23-CTRL"
      }]
    }
  },

  "PORT23-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT23-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT23"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x21",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT23-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT23-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT23"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x21",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT24": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT24",
      "device_parent": "PORT-MUX3"
    },
    "dev_attr": {
      "dev_idx": "24"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT24-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT24-CTRL"
      }]
    }
  },

  "PORT24-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT24-EEPROM",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT24"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x22",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT24-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT24-CTRL",
      "device_parent": "PORT-MUX3",
      "virt_parent": "PORT24"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x22",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x30",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x40",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xb9",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT25": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT25",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "25"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT25-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT25-CTRL"
      }]
    }
  },

  "PORT25-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT25-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT25"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x23",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT25-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT25-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT25"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x23",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT26": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT26",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "26"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT26-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT26-CTRL"
      }]
    }
  },

  "PORT26-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT26-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT26"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x24",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT26-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT26-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT26"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x24",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT27": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT27",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "27"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT27-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT27-CTRL"
      }]
    }
  },

  "PORT27-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT27-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT27"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x25",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT27-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT27-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT27"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x25",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT28": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT28",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "28"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT28-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT28-CTRL"
      }]
    }
  },

  "PORT28-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT28-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT28"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x26",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT28-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT28-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT28"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x26",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT29": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT29",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "29"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT29-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT29-CTRL"
      }]
    }
  },

  "PORT29-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT29-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT29"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x27",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT29-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT29-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT29"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x27",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT30": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT30",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "30"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT30-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT30-CTRL"
      }]
    }
  },

  "PORT30-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT30-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT30"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x28",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT30-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT30-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT30"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x28",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT31": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT31",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "31"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT31-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT31-CTRL"
      }]
    }
  },

  "PORT31-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT31-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT31"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x29",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT31-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT31-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT31"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x29",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT32": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT32",
      "device_parent": "PORT-MUX4"
    },
    "dev_attr": {
      "dev_idx": "32"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT32-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT32-CTRL"
      }]
    }
  },

  "PORT32-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT32-EEPROM",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT32"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2a",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT32-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT32-CTRL",
      "device_parent": "PORT-MUX4",
      "virt_parent": "PORT32"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2a",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x31",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x41",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xba",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT33": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT33",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "33"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT33-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT33-CTRL"
      }]
    }
  },

  "PORT33-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT33-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT33"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2b",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT33-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT33-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT33"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2b",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT34": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT34",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "34"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT34-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT34-CTRL"
      }]
    }
  },

  "PORT34-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT34-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT34"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2c",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT34-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT34-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT34"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2c",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT35": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT35",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "35"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT35-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT35-CTRL"
      }]
    }
  },

  "PORT35-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT35-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT35"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2d",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT35-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT35-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT35"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2d",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT36": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT36",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "36"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT36-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT36-CTRL"
      }]
    }
  },

  "PORT36-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT36-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT36"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2e",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT36-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT36-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT36"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2e",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT37": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT37",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "37"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT37-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT37-CTRL"
      }]
    }
  },

  "PORT37-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT37-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT37"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2f",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT37-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT37-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT37"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x2f",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT38": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT38",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "38"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT38-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT38-CTRL"
      }]
    }
  },

  "PORT38-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT38-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT38"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x30",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT38-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT38-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT38"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x30",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT39": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT39",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "39"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT39-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT39-CTRL"
      }]
    }
  },

  "PORT39-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT39-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT39"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x31",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT39-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT39-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT39"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x31",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT40": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT40",
      "device_parent": "PORT-MUX5"
    },
    "dev_attr": {
      "dev_idx": "40"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT40-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT40-CTRL"
      }]
    }
  },

  "PORT40-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT40-EEPROM",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT40"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x32",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT40-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT40-CTRL",
      "device_parent": "PORT-MUX5",
      "virt_parent": "PORT40"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x32",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT41": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT41",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "41"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT41-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT41-CTRL"
      }]
    }
  },

  "PORT41-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT41-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT41"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x33",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT41-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT41-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT41"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x33",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT42": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT42",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "42"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT42-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT42-CTRL"
      }]
    }
  },

  "PORT42-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT42-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT42"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x34",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT42-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT42-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT42"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x34",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT43": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT43",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "43"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT43-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT43-CTRL"
      }]
    }
  },

  "PORT43-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT43-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT43"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x35",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT43-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT43-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT43"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x35",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT44": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT44",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "44"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT44-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT44-CTRL"
      }]
    }
  },

  "PORT44-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT44-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT44"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x36",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT44-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT44-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT44"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x36",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT45": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT45",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "45"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT45-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT45-CTRL"
      }]
    }
  },

  "PORT45-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT45-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT45"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x37",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT45-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT45-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT45"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x37",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT46": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT46",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "46"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT46-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT46-CTRL"
      }]
    }
  },

  "PORT46-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT46-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT46"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x38",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT46-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT46-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT46"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x38",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT47": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT47",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "47"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT47-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT47-CTRL"
      }]
    }
  },

  "PORT47-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT47-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT47"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x39",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT47-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT47-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT47"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x39",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT48": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT48",
      "device_parent": "PORT-MUX6"
    },
    "dev_attr": {
      "dev_idx": "48"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT48-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT48-CTRL"
      }]
    }
  },

  "PORT48-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT48-EEPROM",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT48"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3a",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT48-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT48-CTRL",
      "device_parent": "PORT-MUX6",
      "virt_parent": "PORT48"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3a",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD1_B",
        "attr_devaddr": "0x34",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT49": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT49",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "49"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT49-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT49-CTRL"
      }]
    }
  },

  "PORT49-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT49-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT49"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3b",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT49-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT49-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT49"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3b",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT50": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT50",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "50"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT50-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT50-CTRL"
      }]
    }
  },

  "PORT50-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT50-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT50"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3c",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT50-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT50-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT50"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3c",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT51": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT51",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "51"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT51-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT51-CTRL"
      }]
    }
  },

  "PORT51-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT51-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT51"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3d",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT51-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT51-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT51"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3d",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT52": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT52",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "52"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT52-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT52-CTRL"
      }]
    }
  },

  "PORT52-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT52-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT52"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3e",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT52-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT52-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT52"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3e",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT53": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT53",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "53"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT53-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT53-CTRL"
      }]
    }
  },

  "PORT53-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT53-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT53"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3f",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT53-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT53-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT53"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x3f",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },


  "PORT54": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT54",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "54"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT54-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT54-CTRL"
      }]
    }
  },

  "PORT54-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT54-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT54"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x40",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT54-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT54-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT54"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x40",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT55": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT55",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "55"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT55-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT55-CTRL"
      }]
    }
  },

  "PORT55-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT55-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT55"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x41",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT55-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT55-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT55"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x41",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT56": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT56",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "56"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT56-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT56-CTRL"
      }]
    }
  },

  "PORT56-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT56-EEPROM",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT56"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x42",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT56-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT56-CTRL",
      "device_parent": "PORT-MUX7",
      "virt_parent": "PORT56"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x42",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x32",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x42",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbb",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT57": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT57",
      "device_parent": "PORT-MUX7"
    },
    "dev_attr": {
      "dev_idx": "57"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT57-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT57-CTRL"
      }]
    }
  },

  "PORT57-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT57-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT57"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x43",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT57-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT57-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT57"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x43",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x00",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT58": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT58",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "58"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT58-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT58-CTRL"
      }]
    }
  },

  "PORT58-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT58-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT58"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x44",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT58-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT58-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT58"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x44",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x01",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT59": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT59",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "59"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT59-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT59-CTRL"
      }]
    }
  },

  "PORT59-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT59-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT59"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x45",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT59-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT59-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT59"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x45",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x02",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT60": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT60",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "60"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT60-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT60-CTRL"
      }]
    }
  },

  "PORT60-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT60-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT60"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x46",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT60-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT60-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT60"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x46",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x03",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT61": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT61",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "61"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT61-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT61-CTRL"
      }]
    }
  },

  "PORT61-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT61-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT61"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x47",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT61-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT61-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT61"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x47",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x04",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT62": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT62",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "62"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT62-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT62-CTRL"
      }]
    }
  },

  "PORT62-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT62-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT62"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x48",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT62-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT62-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT62"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x48",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x05",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT63": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT63",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "63"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT63-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT63-CTRL"
      }]
    }
  },

  "PORT63-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT63-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT63"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x49",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT63-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT63-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT63"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x49",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x06",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "PORT64": {
    "dev_info": {
      "device_type": "QSFP28",
      "device_name": "PORT64",
      "device_parent": "PORT-MUX8"
    },
    "dev_attr": {
      "dev_idx": "64"
    },
    "i2c": {
      "interface": [{
        "itf": "eeprom",
        "dev": "PORT64-EEPROM"
      }, {
        "itf": "control",
        "dev": "PORT64-CTRL"
      }]
    }
  },

  "PORT64-EEPROM": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT64-EEPROM",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT64"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x4a",
        "dev_addr": "0x50",
        "dev_type": "optoe1"
      },
      "attr_list": [{
        "attr_name": "eeprom"
      }]
    }
  },

  "PORT64-CTRL": {
    "dev_info": {
      "device_type": "",
      "device_name": "PORT64-CTRL",
      "device_parent": "PORT-MUX8",
      "virt_parent": "PORT64"
    },
    "i2c": {
      "topo_info": {
        "parent_bus": "0x4a",
        "dev_addr": "0x53",
        "dev_type": "pddf_xcvr"
      },
      "attr_list": [{
        "attr_name": "xcvr_present",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x33",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_intr_status",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0x43",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }, {
        "attr_name": "xcvr_reset",
        "attr_devname": "MAC_BOARD_CPLD2_B",
        "attr_devaddr": "0x36",
        "attr_devtype": "cpld",
        "attr_offset": "0xbc",
        "attr_mask": "0x07",
        "attr_cmpval": "0x0",
        "attr_len": "1"
      }]
    }
  },

  "FRONT_BOARD_BMC_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "DIAG_LED"
    },
    "dev_attr": {
      "index": "0"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "2:0",
          "value": "0x2",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "2:0",
          "value": "0x1",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "2:0",
          "value": "0x4",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "2:0",
          "value": "0x3",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "2:0",
          "value": "0x6",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "2:0",
          "value": "0x5",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "2:0",
          "value": "0x0",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb1"
        }
      ]
    }
  },

  "FRONT_BOARD_CPU_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "SYS_LED"
    },
    "dev_attr": {
      "index": "0"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "2:0",
          "value": "0x2",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "2:0",
          "value": "0x1",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "2:0",
          "value": "0x4",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "2:0",
          "value": "0x3",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "2:0",
          "value": "0x6",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "2:0",
          "value": "0x5",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "2:0",
          "value": "0x0",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb2"
        }
      ]
    }
  },

  "FRONT_BOARD_PSU_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "LOC_LED"
    },
    "dev_attr": {
      "index": "0"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "2:0",
          "value": "0x2",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "2:0",
          "value": "0x1",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "2:0",
          "value": "0x4",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "2:0",
          "value": "0x3",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "2:0",
          "value": "0x6",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "2:0",
          "value": "0x5",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "2:0",
          "value": "0x0",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb3"
        }
      ]
    }
  },

  "FRONT_BOARD_FAN_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "FAN_LED"
    },
    "dev_attr": {
      "index": "0"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "2:0",
          "value": "0x2",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "2:0",
          "value": "0x1",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "2:0",
          "value": "0x4",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "2:0",
          "value": "0x3",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "2:0",
          "value": "0x6",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "2:0",
          "value": "0x5",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "2:0",
          "value": "0x0",
          "swpld_addr": "0x35",
          "swpld_addr_offset": "0xb4"
        }
      ]
    }
  },

  "FAN1_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "FANTRAY_LED"
    },
    "dev_attr": {
      "index": "0"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "3:0",
          "value": "0xa",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "3:0",
          "value": "0xe",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "3:0",
          "value": "0x9",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "3:0",
          "value": "0xd",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "3:0",
          "value": "0x3",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "3:0",
          "value": "0x7",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "3:0",
          "value": "0xb",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x23"
        }
      ]
    }
  },

  "FAN2_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "FANTRAY_LED"
    },
    "dev_attr": {
      "index": "1"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "3:0",
          "value": "0xa",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "3:0",
          "value": "0xe",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "3:0",
          "value": "0x9",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "3:0",
          "value": "0xd",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "3:0",
          "value": "0x3",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "3:0",
          "value": "0x7",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "3:0",
          "value": "0xb",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x24"
        }
      ]
    }
  },

  "FAN3_LED": {
    "dev_info": {
      "device_type": "LED",
      "device_name": "FANTRAY_LED"
    },
    "dev_attr": {
      "index": "2"
    },
    "i2c": {
      "attr_list": [{
          "attr_name": "STATUS_LED_COLOR_RED",
          "descr": "Red",
          "bits": "3:0",
          "value": "0xa",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_RED_BLINK",
          "descr": "Red Blinking",
          "bits": "3:0",
          "value": "0xe",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN",
          "descr": "Green",
          "bits": "3:0",
          "value": "0x9",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_GREEN_BLINK",
          "descr": "Green Blinking",
          "bits": "3:0",
          "value": "0xd",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER",
          "descr": "Amber",
          "bits": "3:0",
          "value": "0x3",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_AMBER_BLINK",
          "descr": "Amber Blinking",
          "bits": "3:0",
          "value": "0x7",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        },
        {
          "attr_name": "STATUS_LED_COLOR_OFF",
          "descr": "Off",
          "bits": "3:0",
          "value": "0xb",
          "swpld_addr": "0x32",
          "swpld_addr_offset": "0x25"
        }
      ]
    }
  }
}