From 764570c5ef63985f027302ae14a0c6c42819320d Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Tue, 31 Jan 2023 15:48:34 +0100 Subject: verdin-am62: add specific udev rules Some rules are commented until we have the real hardware. Related-to: ELB-5012 Signed-off-by: Max Krummenacher (cherry picked from commit 46d3c7bec420d35500e5efcc42ac7ed8aa6c3d46) --- .../udev/files/verdin-am62/99-toradex.rules | 15 +++++++++++++++ recipes-core/udev/files/verdin-am62/toradex-adc.sh | 21 +++++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 recipes-core/udev/files/verdin-am62/99-toradex.rules create mode 100755 recipes-core/udev/files/verdin-am62/toradex-adc.sh (limited to 'recipes-core') diff --git a/recipes-core/udev/files/verdin-am62/99-toradex.rules b/recipes-core/udev/files/verdin-am62/99-toradex.rules new file mode 100644 index 0000000..d74e9bd --- /dev/null +++ b/recipes-core/udev/files/verdin-am62/99-toradex.rules @@ -0,0 +1,15 @@ +#ACTION=="add|change", KERNEL=="i2c-[0-9]*", ATTRS{name}=="30a50000.i2c", SYMLINK+="verdin-i2c1" +#ACTION=="add|change", KERNEL=="i2c-[0-9]*", ATTRS{name}=="30a30000.i2c", SYMLINK+="verdin-i2c2" +#ACTION=="add|change", KERNEL=="i2c-[0-9]*", ATTRS{name}=="30a40000.i2c", SYMLINK+="verdin-i2c4" +#ACTION=="add|change", KERNEL=="i2c-[0-9]*", ATTRS{name}=="30a20000.i2c", SYMLINK+="verdin-i2c-on-module" +#ACTION=="add|change", ATTRS{iomem_base}=="0x30890000", SYMLINK+="verdin-uart1" +#ACTION=="add|change", ATTRS{iomem_base}=="0x30880000", SYMLINK+="verdin-uart2" +#ACTION=="add|change", ATTRS{iomem_base}=="0x30860000", SYMLINK+="verdin-uart3" +#ACTION=="add|change", KERNELS=="watchdog", SYMLINK+="verdin-watchdog" +#ACTION=="add|change", SUBSYSTEM=="spidev", KERNELS=="30830000.*spi", SYMLINK+="verdin-spi-cs%n" +KERNEL=="mmcblk[0-9]", ENV{DEVTYPE}=="disk", KERNELS=="fa10000.mmc", SYMLINK+="emmc" +KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", KERNELS=="fa10000.mmc", SYMLINK+="emmc-boot%n" +KERNEL=="mmcblk[0-9]p[0-9]", ENV{DEVTYPE}=="partition", KERNELS=="fa10000.mmc", SYMLINK+="emmc-part%n" +SUBSYSTEM=="iio", KERNELS=="iio:device0", RUN+="/etc/udev/scripts/toradex-adc.sh" +ACTION=="add|change", KERNEL=="mmcblk[0-9]", KERNELS=="fa00000.mmc", SYMLINK+="verdin-sd" +ACTION=="add|change", KERNEL=="mmcblk[0-9]p[0-9]*", KERNELS=="fa00000.mmc", SYMLINK+="verdin-sd-part%n" diff --git a/recipes-core/udev/files/verdin-am62/toradex-adc.sh b/recipes-core/udev/files/verdin-am62/toradex-adc.sh new file mode 100755 index 0000000..89c1c92 --- /dev/null +++ b/recipes-core/udev/files/verdin-am62/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} -> TLA2024 ADC{3,2,1,0} + +if [ "$ACTION" = "add" ]; then + ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/verdin-adc4 + ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/verdin-adc3 + ln -s "/sys$DEVPATH/in_voltage2_raw" /dev/verdin-adc2 + ln -s "/sys$DEVPATH/in_voltage3_raw" /dev/verdin-adc1 +elif [ "$ACTION" = "remove" ]; then + rm -f /dev/verdin-adc1 + rm -f /dev/verdin-adc2 + rm -f /dev/verdin-adc3 + rm -f /dev/verdin-adc4 +fi + -- cgit v1.2.3