From 9d8b672f2955e798c9a309be59ceb1a12e2227e2 Mon Sep 17 00:00:00 2001
From: Liang Chen <cl@rock-chips.com>
Date: Sat, 22 Jun 2024 09:26:23 +0800
Subject: [PATCH] ARM: dts: rockchip: rk3506-evb1: add regulator for cpu

Signed-off-by: Liang Chen <cl@rock-chips.com>
Change-Id: I843f9fe2b6ee820b2f9550210745a981e9504828
---
 arch/arm/boot/dts/rk3506-evb1-v10.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/rk3506-evb1-v10.dtsi b/arch/arm/boot/dts/rk3506-evb1-v10.dtsi
index 0a0e15c96fe0..0ec384c544bd 100644
--- a/arch/arm/boot/dts/rk3506-evb1-v10.dtsi
+++ b/arch/arm/boot/dts/rk3506-evb1-v10.dtsi
@@ -19,6 +19,22 @@
 		rockchip,baudrate = <1500000>;	/* Only 115200 and 1500000 */
 		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
 	};
+
+	vdd_arm: vdd-arm {
+		compatible = "pwm-regulator";
+		pwms = <&pwm0_4ch_0 0 5000 1>;
+		regulator-name = "vdd_arm";
+		regulator-min-microvolt = <710000>;
+		regulator-max-microvolt = <1207000>;
+		regulator-init-microvolt = <1011000>;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-settling-time-up-us = <250>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_arm>;
 };
 
 &fspi {