The OrangePi Zero 2 is a development board with the new H616 SoC.

It features the usual connectors used on those small boards, and comes
with the AXP305, which seems to be compatible with the AXP805.

For more details see: http://linux-sunxi.org/Xunlong_Orange_Pi_Zero2

Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
---
 arch/arm64/boot/dts/allwinner/Makefile        |   1 +
 .../allwinner/sun50i-h616-orangepi-zero2.dts  | 228 ++++++++++++++++++
 2 files changed, 229 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile 
b/arch/arm64/boot/dts/allwinner/Makefile
index 211d1e9d4701..0cf8299b1ce7 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -35,3 +35,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
new file mode 100644
index 000000000000..814f5b4fec7c
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
@@ -0,0 +1,228 @@
+// 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>
+
+/ {
+       model = "OrangePi Zero2";
+       compatible = "xunlong,orangepi-zero2", "allwinner,sun50i-h616";
+
+       aliases {
+               ethernet0 = &emac0;
+               serial0 = &uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               power {
+                       label = "orangepi:red:power";
+                       gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
+                       default-state = "on";
+               };
+
+               status {
+                       label = "orangepi:green:status";
+                       gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
+               };
+       };
+
+       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;
+       };
+
+       reg_usb1_vbus: usb1-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "usb1-vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               enable-active-high;
+               gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
+               status = "okay";
+       };
+};
+
+&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>;
+       phy-supply = <&reg_dcdce>;
+       allwinner,rx-delay-ps = <3100>;
+       allwinner,tx-delay-ps = <700>;
+       status = "okay";
+};
+
+&mdio {
+       ext_rgmii_phy: ethernet-phy@1 {
+               compatible = "ethernet-phy-ieee802.3-c22";
+               reg = <1>;
+       };
+};
+
+&mmc0 {
+       vmmc-supply = <&reg_dcdce>;
+       cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;  /* PF6 */
+       bus-width = <4>;
+       status = "okay";
+};
+
+&ohci0 {
+       status = "okay";
+};
+
+&ohci1 {
+       status = "okay";
+};
+
+&r_i2c {
+       status = "okay";
+
+       axp305: pmic@36 {
+               compatible = "x-powers,axp305", "x-powers,axp805",
+                            "x-powers,axp806";
+               reg = <0x36>;
+
+               /* dummy interrupt to appease the driver for now */
+               interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-controller;
+               #interrupt-cells = <1>;
+
+               x-powers,self-working-mode;
+               vina-supply = <&reg_vcc5v>;
+               vinb-supply = <&reg_vcc5v>;
+               vinc-supply = <&reg_vcc5v>;
+               vind-supply = <&reg_vcc5v>;
+               vine-supply = <&reg_vcc5v>;
+               aldoin-supply = <&reg_vcc5v>;
+               bldoin-supply = <&reg_vcc5v>;
+               cldoin-supply = <&reg_vcc5v>;
+
+               regulators {
+                       reg_aldo1: aldo1 {
+                               regulator-always-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc-sys";
+                       };
+
+                       reg_aldo2: aldo2 {
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc3v3-ext";
+                       };
+
+                       reg_aldo3: aldo3 {
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc3v3-ext2";
+                       };
+
+                       reg_bldo1: bldo1 {
+                               regulator-always-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcc1v8";
+                       };
+
+                       bldo2 {
+                               /* unused */
+                       };
+
+                       bldo3 {
+                               /* unused */
+                       };
+
+                       bldo4 {
+                               /* unused */
+                       };
+
+                       cldo1 {
+                               /* reserved */
+                       };
+
+                       cldo2 {
+                               /* unused */
+                       };
+
+                       cldo3 {
+                               /* unused */
+                       };
+
+                       reg_dcdca: dcdca {
+                               regulator-always-on;
+                               regulator-min-microvolt = <810000>;
+                               regulator-max-microvolt = <1080000>;
+                               regulator-name = "vdd-cpu";
+                       };
+
+                       reg_dcdcc: dcdcc {
+                               regulator-always-on;
+                               regulator-min-microvolt = <810000>;
+                               regulator-max-microvolt = <1080000>;
+                               regulator-name = "vdd-gpu-sys";
+                       };
+
+                       reg_dcdcd: dcdcd {
+                               regulator-always-on;
+                               regulator-min-microvolt = <1500000>;
+                               regulator-max-microvolt = <1500000>;
+                               regulator-name = "vdd-dram";
+                       };
+
+                       reg_dcdce: dcdce {
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc-eth-mmc";
+                       };
+
+                       sw {
+                               /* unused */
+                       };
+               };
+       };
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_ph_pins>;
+       status = "okay";
+};
+
+&usbotg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&usbphy {
+       usb0_vbus-supply = <&reg_vcc5v>;
+       usb1_vbus-supply = <&reg_usb1_vbus>;
+       status = "okay";
+};
-- 
2.17.5

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