From 87dc0474c7881aa52e073687098ef9f4ec21cf35 Mon Sep 17 00:00:00 2001
From: Ziyuan Xu <xzy.xu@rock-chips.com>
Date: Wed, 11 May 2022 10:47:42 +0800
Subject: [PATCH] ARM: dts: rockchip: rv1103-evb-v10: enable cpu-supply for
 dvfs

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Change-Id: I4060435493846fb0c3033d25d1c4952bdc3f09a5
---
 arch/arm/boot/dts/rv1103-evb-v10.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/rv1103-evb-v10.dtsi b/arch/arm/boot/dts/rv1103-evb-v10.dtsi
index 488d54fc0a5e..45200019a59d 100644
--- a/arch/arm/boot/dts/rv1103-evb-v10.dtsi
+++ b/arch/arm/boot/dts/rv1103-evb-v10.dtsi
@@ -22,6 +22,18 @@
 			sound-dai = <&acodec>;
 		};
 	};
+
+	vdd_arm: vdd-arm {
+		compatible = "pwm-regulator";
+		pwms = <&pwm0 0 5000 1>;
+		regulator-name = "vdd_arm";
+		regulator-min-microvolt = <724000>;
+		regulator-max-microvolt = <1078000>;
+		regulator-init-microvolt = <950000>;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-settling-time-up-us = <250>;
+	};
 };
 
 &acodec {
@@ -30,6 +42,10 @@
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&vdd_arm>;
+};
+
 &emmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
@@ -53,6 +69,10 @@
 	status = "okay";
 };
 
+&pwm0 {
+	status = "okay";
+};
+
 &sdmmc {
 	max-frequency = <50000000>;
 	no-sdio;