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@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/meson8b-odroidc1.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index 58669abda259..9251dc102fcc 100644
--- 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
--
2.19.1
