This adds a DT node to hook up the internal temperature ADC to the iio-hwmon driver. The various voltage + current ADCs are consumed and exposed by their respective drivers, but this is not and is always available. Naming chosen to match the axp20x_ prefix the power sensors use. Signed-off-by: Jonathan McDowell <noodles@xxxxxxxx> Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx> --- arch/arm/boot/dts/axp209.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/axp209.dtsi b/arch/arm/boot/dts/axp209.dtsi index ca240cd6f6c3..469d0f7d5185 100644 --- a/arch/arm/boot/dts/axp209.dtsi +++ b/arch/arm/boot/dts/axp209.dtsi @@ -48,6 +48,13 @@ * http://dl.linux-sunxi.org/AXP/AXP209%20Datasheet%20v1.0_cn.pdf */ +/ { + pmic-temp { + compatible = "iio-hwmon"; + io-channels = <&axp_adc 4>; /* Internal temperature */ + }; +}; + &axp209 { compatible = "x-powers,axp209"; interrupt-controller; -- 2.39.2
