arm64: dts: rockchip: add 5V regulator to rock-5a

Add GPIO controlled 5V regulator, which is used for supplying
the fan, on-board USB hub and HDMI.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230710165228.105983-6-sebastian.reichel@collabora.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts

@@ -38,6 +38,20 @@ vcc5v0_sys: vcc5v0-sys-regulator {
 		vin-supply = <&vcc12v_dcin>;
 	};
 
+	vcc_5v0: vcc-5v0-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_5v0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		enable-active-high;
+		gpio = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc_5v0_en>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
 	vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_1v1_nldo_s3";
@@ -150,6 +164,12 @@ rgmii_phy1: ethernet-phy@1 {
 };
 
 &pinctrl {
+	power {
+		vcc_5v0_en: vcc-5v0-en {
+			rockchip,pins = <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	rtl8211f {
 		rtl8211f_rst: rtl8211f-rst {
 			rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;