[PATCH 2/2] ARM: dts: mxs: Add iio-hwmon to mx23 soc

From: Alexandre Belloni
Date: Wed Dec 18 2013 - 13:51:21 EST


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@xxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx23.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index c96ceaef7ddf..cd5e662d72f1 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -426,7 +426,7 @@
status = "disabled";
};

- lradc@80050000 {
+ lradc: lradc@80050000 {
compatible = "fsl,imx23-lradc";
reg = <0x80050000 0x2000>;
interrupts = <36 37 38 39 40 41 42 43 44>;
@@ -524,4 +524,9 @@
status = "disabled";
};
};
+
+ iio_hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&lradc 8>;
+ };
};
--
1.8.3.2

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