[PATCH 9/9] sunxi: Add support for Anbernic RG35XX-2024

[Chris Morgan <macroalpha82@gmail.com>]

From: Chris Morgan <macromorgan@hotmail.com>

The Anbernic RG35XX series of devices are based around an Allwinner
H700 SoC with 1GB of RAM, 2 SD cards, and multiple input buttons.

This bootloader has been tested on the Anbernic RG35XX-2024 and
RG35XX-H, but should be suitable for the entire lineup of H700 based
devices.

A future series of updates will add board selection logic to identify
and load the correct device tree automatically, and will switch to
utilizing a mainline device tree.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 arch/arm/dts/Makefile                         |   3 +-
 .../dts/sun50i-h700-anbernic-rg35xx-2024.dts  | 320 ++++++++++++++++++
 board/sunxi/MAINTAINERS                       |   5 +
 configs/anbernic_rg35xx_h700_defconfig        |  50 +++
 4 files changed, 377 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/sun50i-h700-anbernic-rg35xx-2024.dts
 create mode 100644 configs/anbernic_rg35xx_h700_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 3ae4110d60..886ab0312a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -679,10 +679,11 @@ dtb-$(CONFIG_MACH_SUN50I_H6) += \
 	sun50i-h6-tanix-tx6-mini.dtb
 dtb-$(CONFIG_MACH_SUN50I_H616) += \
 	sun50i-h616-orangepi-zero2.dtb \
+	sun50i-h616-x96-mate.dtb \
 	sun50i-h618-orangepi-zero2w.dtb \
 	sun50i-h618-orangepi-zero3.dtb \
 	sun50i-h618-transpeed-8k618-t.dtb \
-	sun50i-h616-x96-mate.dtb
+	sun50i-h700-anbernic-rg35xx-2024.dtb
 dtb-$(CONFIG_MACH_SUN50I) += \
 	sun50i-a64-amarula-relic.dtb \
 	sun50i-a64-bananapi-m64.dtb \
diff --git a/arch/arm/dts/sun50i-h700-anbernic-rg35xx-2024.dts b/arch/arm/dts/sun50i-h700-anbernic-rg35xx-2024.dts
new file mode 100644
index 0000000000..75206af164
--- /dev/null
+++ b/arch/arm/dts/sun50i-h700-anbernic-rg35xx-2024.dts
@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Copyright (C) 2024 Ryan Walklin <ryan@testtoast.com>.
+ */
+
+/dts-v1/;
+
+#include "sun50i-h616.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Anbernic RG35XX 2024";
+	chassis-type = "handset";
+	compatible = "anbernic,rg35xx-2024", "allwinner,sun50i-h700";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio_keys_gamepad: gpio-keys-gamepad {
+		compatible = "gpio-keys";
+
+		button-a {
+			label = "Action-Pad A";
+			gpios = <&pio 0 0 GPIO_ACTIVE_LOW>; /* PA0 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_EAST>;
+		};
+
+		button-b {
+			label = "Action-Pad B";
+			gpios = <&pio 0 1 GPIO_ACTIVE_LOW>; /* PA1 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_SOUTH>;
+		};
+
+		button-down {
+			label = "D-Pad Down";
+			gpios = <&pio 4 0 GPIO_ACTIVE_LOW>; /* PE0 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_DPAD_DOWN>;
+		};
+
+		button-l1 {
+			label = "Key L1";
+			gpios = <&pio 0 10 GPIO_ACTIVE_LOW>; /* PA10 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_TL>;
+		};
+
+		button-l2 {
+			label = "Key L2";
+			gpios = <&pio 0 11 GPIO_ACTIVE_LOW>; /* PA11 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_TL2>;
+		};
+
+		button-left {
+			label = "D-Pad left";
+			gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_DPAD_LEFT>;
+		};
+
+		button-menu {
+			label = "Key Menu";
+			gpios = <&pio 4 3 GPIO_ACTIVE_LOW>; /* PE3 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_MODE>;
+		};
+
+		button-r1 {
+			label = "Key R1";
+			gpios = <&pio 0 12 GPIO_ACTIVE_LOW>; /* PA12 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_TR>;
+		};
+
+		button-r2 {
+			label = "Key R2";
+			gpios = <&pio 0 7 GPIO_ACTIVE_LOW>; /* PA7 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_TR2>;
+		};
+
+		button-right {
+			label = "D-Pad Right";
+			gpios = <&pio 0 9 GPIO_ACTIVE_LOW>; /* PA9 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_DPAD_RIGHT>;
+		};
+
+		button-select {
+			label = "Key Select";
+			gpios = <&pio 0 5 GPIO_ACTIVE_LOW>; /* PA5 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_SELECT>;
+		};
+		button-start {
+			label = "Key Start";
+			gpios = <&pio 0 4 GPIO_ACTIVE_LOW>; /* PA4 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_START>;
+		};
+
+		button-up {
+			label = "D-Pad Up";
+			gpios = <&pio 0 6 GPIO_ACTIVE_LOW>; /* PA6 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_DPAD_UP>;
+		};
+
+		button-x {
+			label = "Action-Pad X";
+			gpios = <&pio 0 3 GPIO_ACTIVE_LOW>; /* PA3 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_NORTH>;
+		};
+
+		button-y {
+			label = "Action Pad Y";
+			gpios = <&pio 0 2 GPIO_ACTIVE_LOW>; /* PA2 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_WEST>;
+		};
+	};
+
+	gpio-keys-volume {
+		compatible = "gpio-keys";
+		autorepeat;
+
+		button-vol-up {
+			label = "Key Volume Up";
+			gpios = <&pio 4 1 GPIO_ACTIVE_LOW>; /* PE1 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_VOLUMEUP>;
+		};
+
+		button-vol-down {
+			label = "Key Volume Down";
+			gpios = <&pio 4 2 GPIO_ACTIVE_LOW>; /* PE2 */
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_VOLUMEDOWN>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&pio 8 12 GPIO_ACTIVE_HIGH>; /* PI12 */
+			default-state = "on";
+		};
+	};
+
+	reg_vcc5v: regulator-vcc5v { /* USB-C power input */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc1>;
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_cldo3>;
+	disable-wp;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;  /* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&pio {
+	vcc-pa-supply = <&reg_cldo3>;
+	vcc-pc-supply = <&reg_cldo3>;
+	vcc-pe-supply = <&reg_cldo3>;
+	vcc-pf-supply = <&reg_cldo3>;
+	vcc-pg-supply = <&reg_aldo4>;
+	vcc-ph-supply = <&reg_cldo3>;
+	vcc-pi-supply = <&reg_cldo3>;
+};
+
+&r_i2c {
+	status = "okay";
+
+	axp717: pmic@34 {
+		compatible = "x-powers,axp717";
+		reg = <0x34>;
+		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>;
+
+		regulators {
+			reg_dcdc1: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-cpu";
+			};
+
+			reg_dcdc2: dcdc2 {
+				regulator-always-on;
+				regulator-min-microvolt = <940000>;
+				regulator-max-microvolt = <940000>;
+				regulator-name = "vdd-gpu-sys";
+			};
+
+			reg_dcdc3: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-name = "vdd-dram";
+			};
+
+			reg_aldo1: aldo1 {
+				/* 1.8v - unused */
+			};
+
+			reg_aldo2: aldo2 {
+				/* 1.8v - unused */
+			};
+
+			reg_aldo3: aldo3 {
+				/* 1.8v - unused */
+			};
+
+			reg_aldo4: aldo4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pg";
+			};
+
+			reg_bldo1: bldo1 {
+				/* 1.8v - unused */
+			};
+
+			reg_bldo2: bldo2 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pll";
+			};
+
+			reg_bldo3: bldo3 {
+				/* 2.8v - unused */
+			};
+
+			reg_bldo4: bldo4 {
+				/* 1.2v - unused */
+			};
+
+			reg_cldo1: cldo1 {
+				/* 3.3v - audio codec - not yet implemented */
+			};
+
+			reg_cldo2: cldo2 {
+				/* 3.3v - unused */
+			};
+
+			reg_cldo3: cldo3 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-io";
+			};
+
+			reg_cldo4: cldo4 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-wifi";
+			};
+
+			reg_boost: boost {
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5200000>;
+				regulator-name = "boost";
+			};
+
+			reg_cpusldo: cpusldo {
+				regulator-always-on;
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1400000>;
+				regulator-name = "cpusldo";
+			};
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_ph_pins>;
+	status = "okay";
+};
+
+&usbotg {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usbphy {
+	status = "okay";
+};
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 4bcd9b9af7..e31c1b3a83 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -121,6 +121,11 @@ M:	Paul Kocialkowski <contact@paulk.fr>
 S:	Maintained
 F:	configs/Ainol_AW1_defconfig
 
+ANBERNIC RG35XX-2024
+M:	Chris Morgan <macromorgan@hotmail.com>
+S:	Maintained
+F:	configs/anbernic_rg35xx_h700_defconfig
+
 AMARULA A64-RELIC
 M:	Jagan Teki <jagan@amarulasolutions.com>
 S:	Maintained
diff --git a/configs/anbernic_rg35xx_h700_defconfig b/configs/anbernic_rg35xx_h700_defconfig
new file mode 100644
index 0000000000..e8958aaf57
--- /dev/null
+++ b/configs/anbernic_rg35xx_h700_defconfig
@@ -0,0 +1,50 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_DEFAULT_DEVICE_TREE="sun50i-h700-anbernic-rg35xx-2024"
+CONFIG_SPL=y
+CONFIG_DRAM_SUN50I_H616_DX_ODT=0x08080808
+CONFIG_DRAM_SUN50I_H616_DX_DRI=0x0e0e0e0e
+CONFIG_DRAM_SUN50I_H616_CA_DRI=0x0e0e
+CONFIG_DRAM_SUN50I_H616_ODT_EN=0x7887bbbb
+CONFIG_DRAM_SUN50I_H616_TPR2=0x1
+CONFIG_DRAM_SUN50I_H616_TPR6=0x40808080
+CONFIG_DRAM_SUN50I_H616_TPR10=0x402f6633
+CONFIG_DRAM_SUN50I_H616_TPR11=0x1a1e1e1b
+CONFIG_MACH_SUN50I_H616=y
+CONFIG_RESERVE_ALLWINNER_BOOT0_HEADER=y
+CONFIG_SUNXI_DRAM_H616_LPDDR4=y
+CONFIG_DRAM_CLK=672
+CONFIG_R_I2C_ENABLE=y
+CONFIG_DEFAULT_FDT_FILE="sun50i-h700-anbernic-rg35xx-2024.dtb"
+CONFIG_LAST_STAGE_INIT=y
+CONFIG_SPL_I2C=y
+CONFIG_CMD_BDINFO_EXTRA=y
+CONFIG_CMD_BOOTDEV=y
+CONFIG_CMD_BOOTMETH=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_BOOTM_OPENRTOS=y
+CONFIG_BOOTM_OSE=y
+CONFIG_CMD_ADTIMG=y
+CONFIG_CMD_ADC=y
+CONFIG_CMD_CLK=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_BKOPS_ENABLE=y
+CONFIG_CMD_MMC_REG=y
+CONFIG_CMD_MMC_SWRITE=y
+CONFIG_CMD_SDRAM=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+# CONFIG_NET is not set
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_SPL_SYS_I2C_LEGACY=y
+CONFIG_SYS_I2C_MVTWSI=y
+CONFIG_SYS_I2C_SLAVE=0x7f
+CONFIG_SYS_I2C_SPEED=400000
+CONFIG_REGULATOR_AXP=y
+CONFIG_AXP717_POWER=y
+CONFIG_AXP_DCDC2_VOLT=940
+CONFIG_AXP_DCDC3_VOLT=1100
+CONFIG_REGEX=y
+# CONFIG_EFI_LOADER is not set
-- 
2.34.1