ARM: dts: mxs: Add iio-hwmon to mx23 soc
This allows to read the SoC on-die temperature sensor available on the LRADC by
using:
cat /sys/class/hwmon/hwmon0/device/temp1_input
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 581b754..9935e97 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -428,7 +428,7 @@
status = "disabled";
};
- lradc@80050000 {
+ lradc: lradc@80050000 {
compatible = "fsl,imx23-lradc";
reg = <0x80050000 0x2000>;
interrupts = <36 37 38 39 40 41 42 43 44>;
@@ -526,4 +526,9 @@
status = "disabled";
};
};
+
+ iio_hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&lradc 8>;
+ };
};