diff mbox series

[v3,5/5] ARM: dts: axp209: Add iio-hwmon node for internal temperature

Message ID a0f48e6d799ce7f95cd536cf9e13b18d73c920d4.1684258957.git.noodles@earth.li (mailing list archive)
State New, archived
Headers show
Series Minor device-tree additions for C.H.I.P | expand

Commit Message

Jonathan McDowell May 16, 2023, 5:48 p.m. UTC 
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@earth.li>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 arch/arm/boot/dts/axp209.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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;