add zero3

arch/arm/dts/Makefile

@@ -646,6 +646,7 @@ dtb-$(CONFIG_MACH_SUN50I_H6) += \
 	sun50i-h6-pine-h64-model-b.dtb \
 	sun50i-h6-tanix-tx6.dtb
 dtb-$(CONFIG_MACH_SUN50I_H616) += \
+	sun50i-h618-bananapi-m4z.dtb \
 	sun50i-h618-bananapi-m4b.dtb
 dtb-$(CONFIG_MACH_SUN50I) += \
 	sun50i-a64-amarula-relic.dtb \

arch/arm/dts/sun50i-h618-bananapi-m4z.dts

@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2020 Arm Ltd.
+ */
+
+/dts-v1/;
+
+#include "sun50i-h616.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "BananaPi M4 Zero";
+	compatible = "BiPai,bananapi-m4 zero", "allwinner,sun50i-h616";
+
+	aliases {
+		ethernet0 = &emac0;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_RED>;
+			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
+			default-state = "on";
+		};
+		
+	};
+
+	reg_vcc5v: vcc5v {
+		/* board wide 5V supply directly from the USB-C socket */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+/* USB 2 & 3 are on headers only. */
+
+&emac0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ext_rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	allwinner,rx-delay-ps = <1800>;
+	allwinner,tx-delay-ps = <700>;
+	status = "okay";
+};
+
+&mdio0 {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
+&mmc0 {
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins>, <&mmc2_ds_pin>;
+	vmmc-supply = <&reg_dldo1>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&r_i2c {
+	status = "okay";
+
+	axp313a: pmic@36 {
+		compatible = "x-powers,axp313a";
+		status = "okay";
+		reg = <0x36>;
+		wakeup-source;
+
+		standby_param: standby_param {
+			vcc-dram = <0x4>;
+		};
+
+		regulators{
+			reg_dcdc1: dcdc1 {
+				regulator-name = "axp313a-dcdc1";
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-step-delay-us = <25>;
+				regulator-final-delay-us = <50>;
+				regulator-always-on;
+			};
+
+			reg_dcdc2: dcdc2 {
+				regulator-name = "axp313a-dcdc2";
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1540000>;
+				regulator-step-delay-us = <25>;
+				regulator-final-delay-us = <50>;
+				regulator-ramp-delay = <200>;
+				regulator-always-on;
+			};
+
+			reg_dcdc3: dcdc3 {
+				regulator-name = "axp313a-dcdc3";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-step-delay-us = <25>;
+				regulator-final-delay-us = <50>;
+				regulator-always-on;
+			};
+
+			reg_aldo1: aldo1 {
+				regulator-name = "axp313a-aldo1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-step-delay-us = <25>;
+				regulator-final-delay-us = <50>;
+				regulator-always-on;
+			};
+
+			reg_dldo1: dldo1 {
+				regulator-name = "axp313a-dldo1";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-step-delay-us = <25>;
+				regulator-final-delay-us = <50>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_ph_pins>;
+	status = "okay";
+};
+
+&usbotg {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usbphy {
+	usb1_vbus-supply = <&reg_vcc5v>;
+	status = "okay";
+};