ARM: dts: meson8m2: mxiii-plus: 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/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts
index f5853610b20b804170e941c5b24d2b50b94a1d62..d1d3c828c0393e948797db3efaf9eb1cf0d72732 100644 (file)
--- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts
+++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts
@@ -44,6 +44,11 @@
                };
        };
 
+       iio-hwmon {
+               compatible = "iio-hwmon";
+               io-channels = <&saradc 8>;
+       };
+
        vcc_3v3: regulator-vcc3v3 {
                compatible = "regulator-fixed";
                regulator-name = "VCC3V3";