From: Lucas Stach <l.stach@pengutronix.de>
Date: Wed, 25 May 2022 10:35:20 +0000 (+0200)
Subject: arm64: dts: imx8mp-evk: add regulator supply to CPU nodes
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e56fdc60ac8fb65636ca69bc88fa5319b4cdb8c5;p=people%2Fms%2Flinux.git

arm64: dts: imx8mp-evk: add regulator supply to CPU nodes

This supply is used by cpufreq to scale the voltage applied to the
ARM voltage domain of the SoC when switching between the different
operating points.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 4c3ac4214a2c..6975de72e3df 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -67,6 +67,22 @@
 	};
 };
 
+&A53_0 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_1 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_2 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_3 {
+	cpu-supply = <&reg_arm>;
+};
+
 &flexcan1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexcan1>;
@@ -221,7 +237,7 @@
 				regulator-ramp-delay = <3125>;
 			};
 
-			BUCK2 {
+			reg_arm: BUCK2 {
 				regulator-name = "BUCK2";
 				regulator-min-microvolt = <720000>;
 				regulator-max-microvolt = <1025000>;