arm64: dts: allwinner: h5: NanoPi Neo Plus2: Fix regulators

Added the main board 5 V supply regulator,
a 2.5 V supply regulator for GMAC PHY IO and correct vin-supply elements.

Signed-off-by: Kryštof Černý <cleverline1mc@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20240905-nanopi-neo-plus2-regfix-v3-1-1895dff59598@gmail.com
[wens@csie.org: Make "h5" lowercase to match most commits]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Author: cleveHEX

arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts

@@ -45,16 +45,40 @@
 		startup-delay-us = <100000>;
 		enable-active-high;
 		gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&reg_vcc3v3>;
+	};
+
+	reg_gmac_2v5: gmac-2v5 {
+		/* 2V5 supply for GMAC PHY IO */
+		compatible = "regulator-fixed";
+		regulator-name = "gmac-2v5";
+		regulator-min-microvolt = <2500000>;
+		regulator-max-microvolt = <2500000>;
+		regulator-always-on;
+		vin-supply = <&reg_vcc3v3>;
+	};
+
+	reg_vcc5v: regulator-vcc5v {
+		/* board 5V supply from micro USB or pin headers */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
 	};
 
 	reg_vcc3v3: vcc3v3 {
+		/* board 3V3 supply by SY8089A */
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		vin-supply = <&reg_vcc5v>;
 	};
 
 	vdd_cpux: gpio-regulator {
+		/* cpu voltage regulator MP2143DJ */
 		compatible = "regulator-gpio";
 		regulator-name = "vdd-cpux";
 		regulator-type = "voltage";
@@ -66,6 +90,7 @@
 		gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>;
 		gpios-states = <0x1>;
 		states = <1100000 0>, <1300000 1>;
+		vin-supply = <&reg_vcc5v>;
 	};
 
 	wifi_pwrseq: pwrseq {