From: Mason Huo <mason.huo@starfivetech.com>
Date: Thu, 4 May 2023 05:31:44 +0000 (+0900)
Subject: riscv: dts: starfive: Enable axp15060 pmic for cpufreq
X-Git-Tag: accepted/tizen/unified/riscv/20230725.071352~104
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=461f3efd26a4840eced005b72eaf92102e67bec1;p=platform%2Fkernel%2Flinux-starfive.git

riscv: dts: starfive: Enable axp15060 pmic for cpufreq

The VisionFive 2 board has an embedded pmic axp15060,
which supports the cpu DVFS through the dcdc2 regulator.
This patch enables axp15060 pmic and configs the dcdc2.

Signed-off-by: Mason Huo <mason.huo@starfivetech.com>

[Backported patch : https://lore.kernel.org/all/20230421031431.23010-2-mason.huo@starfivetech.com/]
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>

Change-Id: I79e08462d7bd09766526418d65fb4299fc122fdc
---

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 63eecf3..eed8777 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -184,6 +184,20 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c5_pins>;
 	status = "okay";
+
+	axp15060: pmic@36 {
+		compatible = "x-powers,axp15060";
+		reg = <0x36>;
+
+		regulators {
+			vdd_cpu: dcdc2 {
+				regulator-always-on;
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1540000>;
+				regulator-name = "vdd-cpu";
+			};
+		};
+	};
 };
 
 &i2c6 {