From: Max Krummenacher <max.krummenacher@toradex.com>
Date: Mon, 27 Oct 2025 09:30:09 +0000 (+0100)
Subject: arm64: dts: imx8-apalis: specify adc reference voltage regulator
X-Git-Tag: v6.19-rc1~100^2~20^2~62
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4a5977155584f0f4f757f884ee992e97bfc0932c;p=thirdparty%2Flinux.git

arm64: dts: imx8-apalis: specify adc reference voltage regulator

This sets in_voltage_scale to calculate the measured voltage from the
raw digital value of the ADC.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
index 686fce7443bbd..abf6d543380ca 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi
@@ -284,11 +284,13 @@
 &adc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_adc0>;
+	vref-supply = <&reg_vref_1v8>;
 };
 
 &adc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_adc1>;
+	vref-supply = <&reg_vref_1v8>;
 };
 
 &cpu_alert0 {