diff options
| -rw-r--r-- | recipes-core/udev/files/verdin-imx8mm/99-toradex.rules | 1 | ||||
| -rwxr-xr-x | recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh | 21 |
2 files changed, 22 insertions, 0 deletions
diff --git a/recipes-core/udev/files/verdin-imx8mm/99-toradex.rules b/recipes-core/udev/files/verdin-imx8mm/99-toradex.rules index 736d9d8..2885e16 100644 --- a/recipes-core/udev/files/verdin-imx8mm/99-toradex.rules +++ b/recipes-core/udev/files/verdin-imx8mm/99-toradex.rules @@ -10,3 +10,4 @@ ACTION=="add", SUBSYSTEM=="spidev", KERNELS=="30830000.ecspi", SYMLINK+="verdin- KERNEL=="mmcblk[0-9]", ENV{DEVTYPE}=="disk", KERNELS=="30b40000.mmc", SYMLINK+="emmc" KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", KERNELS=="30b40000.mmc", SYMLINK+="emmc-boot%n" KERNEL=="mmcblk[0-9]p[0-9]", ENV{DEVTYPE}=="partition", KERNELS=="30b40000.mmc", SYMLINK+="emmc-part%n" +SUBSYSTEM=="iio", KERNELS=="iio:device0", RUN+="/etc/udev/scripts/toradex-adc.sh" diff --git a/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh b/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh new file mode 100755 index 0000000..0f5f878 --- /dev/null +++ b/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh @@ -0,0 +1,21 @@ +#!/usr/bin/env sh +# +# Called from udev. Compatible to verdin-imx8mm. +# +# Create/remove symlinks to/from the files with raw adc data. + +# Map the ADC lines: +# verdin-adc{1..4} -> MAX11607 ADC{0,1,2,3} + +if [ "$ACTION" = "add" ]; then + ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/verdin-adc1 + ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/verdin-adc2 + ln -s "/sys$DEVPATH/in_voltage2_raw" /dev/verdin-adc3 + ln -s "/sys$DEVPATH/in_voltage3_raw" /dev/verdin-adc4 +elif [ "$ACTION" = "remove" ]; then + rm -f /dev/verdin-adc1 + rm -f /dev/verdin-adc2 + rm -f /dev/verdin-adc3 + rm -f /dev/verdin-adc4 +fi + |