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-ec100.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/meson8b-ec100.dts b/arch/arm/boot/dts/meson8b-ec100.dts
index 0872f6e3abf5..0cebe849a920 100644
--- a/arch/arm/boot/dts/meson8b-ec100.dts
+++ b/arch/arm/boot/dts/meson8b-ec100.dts
@@ -64,6 +64,11 @@
timeout-ms = <20000>;
};
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&saradc 8>;
+ };
+
leds {
compatible = "gpio-leds";
--
2.19.1
