ARM: dts: meson8b: odroidc1: add iio-hwmon for the chip temperature

SAR ADC enabled channel 8 can be used to measure the chip temperature.
This can be made available to the hwmon subsystem by using iio-hwmon.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index 58669ab..9251dc1 100644 (file)
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -118,6 +118,11 @@
                          1800000 1>;
        };
 
+       iio-hwmon {
+               compatible = "iio-hwmon";
+               io-channels = <&saradc 8>;
+       };
+
        vcc_1v8: regulator-vcc-1v8 {
                /*
                 * RICHTEK RT9179 configured for a fixed output voltage of