0021-arm64-dts-allwinner-h6-OPi3-stability.patch

--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
@@ -63,27 +63,7 @@ reg_vcc5v: vcc5v {
 		regulator-max-microvolt = <5000000>;
 		regulator-always-on;
 	};
-
-	reg_vcc33_wifi: vcc33-wifi {
-		/* Always on 3.3V regulator for WiFi and BT */
-		compatible = "regulator-fixed";
-		regulator-name = "vcc33-wifi";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-always-on;
-		vin-supply = <&reg_vcc5v>;
-	};
-
-	reg_vcc_wifi_io: vcc-wifi-io {
-		/* Always on 1.8V/300mA regulator for WiFi and BT IO */
-		compatible = "regulator-fixed";
-		regulator-name = "vcc-wifi-io";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-		regulator-always-on;
-		vin-supply = <&reg_vcc33_wifi>;
-	};
-
+
 	wifi_pwrseq: wifi-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		clocks = <&rtc 1>;
@@ -136,8 +116,8 @@ &mmc0 {
 };

 &mmc1 {
-	vmmc-supply = <&reg_vcc33_wifi>;
-	vqmmc-supply = <&reg_vcc_wifi_io>;
+	vmmc-supply = <&reg_cldo2>;
+	vqmmc-supply = <&reg_bldo3>;
 	mmc-pwrseq = <&wifi_pwrseq>;
 	bus-width = <4>;
 	non-removable;
@@ -172,13 +152,17 @@ &ohci3 {
 &pio {
 	vcc-pc-supply = <&reg_bldo2>;
 	vcc-pd-supply = <&reg_cldo1>;
-	vcc-pg-supply = <&reg_vcc_wifi_io>;
+	vcc-pg-supply = <&reg_bldo3>;
 };

 &r_ir {
 	status = "okay";
 };

+&r_pio {
+	vcc-pm-supply = <&reg_bldo3>;
+};
+
 &r_rsb {
 	status = "okay";

@@ -234,13 +218,12 @@ reg_bldo2: bldo2 {
 				regulator-max-microvolt = <1800000>;
 				regulator-name = "vcc-efuse-pcie-hdmi-pc";
 			};
-
-			bldo3 {
-				/* unused */
-			};
-
-			bldo4 {
-				/* unused */
+
+			reg_bldo3: bldo3 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-dcxoio";
 			};

 			reg_cldo1: cldo1 {
@@ -250,19 +233,34 @@ reg_cldo1: cldo1 {
 				regulator-name = "vcc33-io-pd-emmc-sd-usb-uart-2";
 			};

-			cldo2 {
-				/* unused */
+			reg_cldo2: cldo2 {
+				/*
+				 * This regulator is connected with CLDO3.
+				 * Before the kernel can support synchronized
+				 * enable of coupled regulators, keep them
+				 * both always on as a ugly hack.
+				 */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-wifi-1";
 			};

 			cldo3 {
-				/* unused */
+				/*
+				 * This regulator is connected with CLDO2.
+				 * See the comments for CLDO2.
+				 */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-wifi-2";
 			};

 			reg_dcdca: dcdca {
 				regulator-always-on;
-				regulator-min-microvolt = <800000>;
-				regulator-max-microvolt = <1160000>;
-				regulator-ramp-delay = <2500>;
+				regulator-min-microvolt = <810000>;
+				regulator-max-microvolt = <1080000>;
 				regulator-name = "vdd-cpu";
 			};