92 lines
2.6 KiB
Bash
92 lines
2.6 KiB
Bash
#!/bin/bash
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SEARCH_I2C_BUS=$(ls /sys/bus/i2c/devices)
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I2C_BUS=-1
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for i in $SEARCH_I2C_BUS
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do
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if [[ -n $(cat /sys/bus/i2c/devices/$i/name | grep i2c-mcp2221) ]]; then
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I2C_BUS=$(echo $i | sed 's/i2c-//g')
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break
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fi
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done
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if [[ $I2C_BUS == -1 ]]; then
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echo "Can't find i2c-mcp2221"
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exit
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fi
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TOTAL_MUX=8
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START_NODE_NUM=$((I2C_BUS+1))
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modprobe i2c_mux_pca954x force_deselect_on_exit=1
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echo pca9548 0x70 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x71 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x72 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x73 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x74 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x75 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x76 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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echo pca9548 0x77 > /sys/bus/i2c/devices/i2c-$I2C_BUS/new_device
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sleep 5
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/sbin/modprobe wnc_cpld
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/sbin/modprobe wnc_cpld3
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/sbin/modprobe wnc_eeprom
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/sbin/modprobe eeprom
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# MUX0: i2c-3~i2c-10
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# MUX1: i2c-11~i2c-18
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# MUX2: i2c-19~i2c-26
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# MUX3: i2c-27~i2c-34
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# MUX4: i2c-35~i2c-42
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# MUX5: i2c-43~i2c-50
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# MUX6: i2c-51~i2c-58
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# MUX7: i2c-59~i2c-66
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# MUX0 channel0
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CHANNEL=0
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echo wnc_cpld 0x31 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel1
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CHANNEL=1
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echo wnc_cpld 0x32 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel2
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CHANNEL=2
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echo wnc_cpld3 0x33 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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echo wnc_eeprom 0x53 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel3
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CHANNEL=3
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echo wnc_eeprom 0x50 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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echo wnc_eeprom 0x51 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel4
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CHANNEL=4
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echo wnc_eeprom 0x54 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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echo tmp421 0x1E > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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sleep 1
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echo tmp75 0x4E > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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sleep 1
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echo tmp421 0x4F > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel5
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CHANNEL=5
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echo wnc_eeprom 0x52 > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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# MUX0 channel7
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CHANNEL=7
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#echo wnc_eeprom 0x5B > /sys/bus/i2c/devices/i2c-$(($START_NODE_NUM+$CHANNEL))/new_device
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START_PORT_NUM=$((START_NODE_NUM+8))
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END_PORT_NUM=$((TOTAL_MUX*8+1))
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for i in $(seq $START_PORT_NUM $END_PORT_NUM)
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do
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echo wnc_eeprom 0x50 > /sys/bus/i2c/devices/i2c-$i/new_device
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echo wnc_eeprom 0x51 > /sys/bus/i2c/devices/i2c-$i/new_device
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done
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