[PATCH 14/14] arm64: dts: allwinner: a523: add Avaota-A1 router support

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The Avaota A1 router board is an Open Source hardware board, designed
by YuzukiHD. Pine64 produces some boards. It uses the Allwinner T527 SoC,
and comes with the following features:
  - Eight ARM Cortex-A55 cores, Mali-G57 MC1 GPU
  - 1GiB/2GiB/4GiB LPDDR4 DRAM
  - AXP717 + AXP323 PMIC
  - Raspberry-Pi-2 compatible GPIO header
  - 1 USB 2.0 type A host port, 1 USB 3.0 type A host post
  - 1 USB 2.0 type C port (OTG + serial debug)
  - MicroSD slot
  - eMMC between 16 and 128 GiB
  - on-board 16MiB bootable SPI NOR flash
  - two 1Gbps Ethernet ports (via RTL8211F PHYs)
  - HDMI port
  - DP port
  - camera and LCD connectors
  - 3.5mm headphone jack
  - (yet) unsupported WiFi/BT chip
  - 1.3" LC display, connected via SPI
  - 12 V barrel plug for power supply

Add the devicetree file describing the currently supported features.

Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
---
 arch/arm64/boot/dts/allwinner/Makefile        |   1 +
 .../dts/allwinner/sun55i-t527-avaota-a1.dts   | 311 ++++++++++++++++++
 2 files changed, 312 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 00bed412ee31c..0d678a7499e3c 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -52,3 +52,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-2024.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-h.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-sp.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun55i-t527-avaota-a1.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
new file mode 100644
index 0000000000000..ac3e4a55231c7
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+// Copyright (C) 2024 Arm Ltd.
+
+/dts-v1/;
+
+#include "sun55i-a523.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Avaota A1";
+	compatible = "yuzukihd,avaota-a1", "allwinner,sun55i-t527";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	/* For now, until we have mainline components living in SRAM */
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 128 KiB reserved for Trusted Firmware-A (BL31). */
+		secmon@48000000 {
+			reg = <0x0 0x48000000 0x0 0x20000>;
+			no-map;
+		};
+
+		/* 256 KiB reserved for the SCP. */
+		secmon@48100000 {
+			reg = <0x0 0x48100000 0x0 0x40000>;
+			no-map;
+		};
+	};
+
+	reg_vcc12v: vcc12v {
+		/* DC input jack */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-always-on;
+	};
+
+	reg_vcc5v: vcc5v {
+		/* board wide 5V supply from the 12V->5V regulator */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_vcc12v>;
+		regulator-always-on;
+	};
+
+	reg_vcc3v3: vcc3v3 {
+		/* 3.3V dummy supply for the SD card */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&reg_vcc5v>;
+		regulator-always-on;
+	};
+
+	reg_usb_vbus: vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_vcc5v>;
+		gpio = <&pio 8 12 GPIO_ACTIVE_HIGH>;	/* PI12 */
+		enable-active-high;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_vcc3v3>;
+	cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_DOWN)>; /* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&pio {
+	vcc-pb-supply = <&reg_cldo3>;	/* via VCC-IO */
+	vcc-pc-supply = <&reg_cldo1>;
+	vcc-pd-supply = <&reg_dcdc4>;
+	vcc-pe-supply = <&reg_dcdc4>;
+	vcc-pf-supply = <&reg_cldo3>;	/* actually switchable */
+	vcc-pg-supply = <&reg_bldo1>;
+	vcc-ph-supply = <&reg_cldo3>;	/* via VCC-IO */
+	vcc-pi-supply = <&reg_dcdc4>;
+	vcc-pj-supply = <&reg_dcdc4>;
+	vcc-pk-supply = <&reg_bldo3>;
+};
+
+&r_i2c0 {
+	status = "okay";
+
+	axp717: pmic@35 {
+		compatible = "x-powers,axp717";
+		reg = <0x35>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+
+		vin1-supply = <&reg_vcc5v>;
+		vin2-supply = <&reg_vcc5v>;
+		vin3-supply = <&reg_vcc5v>;
+		vin4-supply = <&reg_vcc5v>;
+		aldoin-supply = <&reg_vcc5v>;
+		bldoin-supply = <&reg_vcc5v>;
+		cldoin-supply = <&reg_vcc5v>;
+
+		regulators {
+			/* Supplies the "little" cluster (1.4 GHz cores) */
+			reg_dcdc1: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-cpul";
+			};
+
+			reg_dcdc2: dcdc2 {
+				regulator-always-on;
+				regulator-min-microvolt = <920000>;
+				regulator-max-microvolt = <920000>;
+				regulator-name = "vdd-gpu-sys";
+			};
+
+			reg_dcdc3: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <1160000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-dram";
+			};
+
+			reg_dcdc4: dcdc4 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vdd-io";
+			};
+
+			reg_aldo1: aldo1 {
+				/* not connected */
+			};
+
+			reg_aldo2: aldo2 {
+				/* not connected */
+			};
+
+			reg_aldo3: aldo3 {
+				/* supplies the I2C pins for this PMIC */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-pl-pm";
+			};
+
+			reg_aldo4: aldo4 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pll-dxco-avcc";
+			};
+
+			reg_bldo1: bldo1 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pg-wifi-lvds";
+			};
+
+			reg_bldo2: bldo2 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-dram-1v8";
+			};
+
+			reg_bldo3: bldo3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-cvp-pk-vid1v8";
+			};
+
+			reg_bldo4: bldo4 {
+				/* not connected */
+			};
+
+			reg_cldo1: cldo1 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pc";
+			};
+
+			reg_cldo2: cldo2 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-efuse";
+			};
+
+			reg_cldo3: cldo3 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-io-mmc-spi-ana";
+			};
+
+			reg_cldo4: cldo4 {
+				/* not connected */
+			};
+
+			reg_cpusldo: cpusldo {
+				/* supplies the management core */
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vdd-cpus";
+			};
+		};
+	};
+
+	axp323: pmic@36 {
+		compatible = "x-powers,axp323";
+		reg = <0x36>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		status = "okay";
+
+		vin1-supply = <&reg_vcc5v>;
+		vin2-supply = <&reg_vcc5v>;
+		vin3-supply = <&reg_vcc5v>;
+
+		regulators {
+			aldo1 {
+				/* not connected */
+			};
+
+			dldo1 {
+				/* not connected */
+			};
+
+			/* Supplies the "big" cluster (1.8 GHz cores) */
+			reg_dcdc1_323: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-cpub";
+			};
+
+			/* DCDC2 is polyphased with DCDC1 */
+
+			/* Some RISC-V management core related voltage */
+			reg_dcdc3_323: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vdd-dnr";
+			};
+		};
+	};
+};
+
+&r_pio {
+/*
+ * Specifying the supply would create a circular dependency.
+ *
+ *	vcc-pl-supply = <&reg_aldo3>;
+ */
+	vcc-pm-supply = <&reg_aldo3>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	usb0_vbus-supply = <&reg_usb_vbus>;
+	usb0_vbus_det-gpios = <&pio 8 13 GPIO_ACTIVE_HIGH>; /* PI13 */
+	status = "okay";
+};
-- 
2.46.2
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