From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Date: Wed, 18 Dec 2013 18:50:56 +0000 (+0100)
Subject: ARM: dts: mxs: Add iio-hwmon to mx23 soc
X-Git-Tag: next-20140106~108^2~26
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fc31a8c84752646fa9ff4153cb68df0b34d17849;p=karo-tx-linux.git

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 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>;
+	};
 };