Basic Allwinner A733 devicetree file (just pinctrl + serial + PMIC)

sun60i-a733.dts

// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
// Copyright (C) 2025 Arm Ltd.

/dts-v1/;

//#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			compatible = "arm,cortex-a55";
			device_type = "cpu";
			reg = <0x000>;
		};
	};

	osc24M: osc24M-clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
		clock-output-names = "osc24M";
	};

	osc32k: osc32k-clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <32768>;
		clock-output-names = "osc32k";
	};

	apbclk: apb-clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <100000000>;
		clock-output-names = "apbclk";
	};

	timer {
		compatible = "arm,armv8-timer";
		arm,no-tick-in-suspend;
//		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
		interrupts = <1 13 4>,
			     <1 14 4>,
			     <1 11 4>,
			     <1 10 4>;
	};

	soc@0 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x0 0x0 0x40000000>;

		pio: pinctrl@2000000 {
			compatible = "allwinner,sun60i-a733-pinctrl";
			reg = <0x2000000 0x2000>;
//			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
			interrupts = <0 69 4>,
				     <0 71 4>,
				     <0 73 4>,
				     <0 75 4>,
				     <0 77 4>,
				     <0 79 4>,
				     <0 81 4>,
				     <0 83 4>,
				     <0 85 4>,
				     <0 87 4>;
			clocks = <&apbclk>, <&osc24M>, <&osc32k>;
			clock-names = "apb", "hosc", "losc";
			gpio-controller;
			#gpio-cells = <3>;
			interrupt-controller;
			#interrupt-cells = <3>;

			mmc0_pins: mmc0-pins {
				pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5";
				allwinner,pinmux = <2>;
				function = "mmc0";
				drive-strength = <30>;
				bias-pull-up;
			};

			uart0_pb_pins: uart0-pb-pins {
				pins = "PB0", "PB1";
				allwinner,pinmux = <3>;
				function = "uart0";
			};
		};

		uart0: serial@2500000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x02500000 0x1000>;
//			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
			interrupts = <0 2 4>;
			reg-shift = <2>;
			reg-io-width = <4>;
			pinctrl-names = "default";
			pinctrl-0 = <&uart0_pb_pins>;
			clocks = <&osc24M>;
		};

		gic: interrupt-controller@3400000 {
			compatible = "arm,gic-v3";
			#address-cells = <1>;
			#interrupt-cells = <3>;
			#size-cells = <1>;
			ranges;
			interrupt-controller;
			reg = <0x3400000 0x10000>,
			      <0x3460000 0x100000>;
//			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
			interrupts = <1 9 4>;
			dma-noncoherent;

			its: msi-controller@3440000 {
				compatible = "arm,gic-v3-its";
				reg = <0x3440000 0x20000>;
				msi-controller;
				#msi-cells = <1>;
				dma-noncoherent;
			};
		};

		mmc0: mmc@4020000 {
			compatible = "allwinner,sun60i-a733-mmc",
				     "allwinner,sun20i-d1-mmc";
			reg = <0x04020000 0x1000>;
			clocks = <&apbclk>, <&osc24M>;
			clock-names = "ahb", "mmc";
//			interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
			interrupts = <0 161 4>;
			pinctrl-names = "default";
			pinctrl-0 = <&mmc0_pins>;

			max-frequency = <150000000>;
			cap-sd-highspeed;
			cap-mmc-highspeed;
			cap-sdio-irq;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		r_pio: pinctrl@7025000 {
			compatible = "allwinner,sun60i-a733-r-pinctrl";
			reg = <0x7025000 0x800>;
//			interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
			interrupts = <0 198 4>,
				     <0 200 4>;
			clocks = <&apbclk>, <&osc24M>, <&osc32k>;
			clock-names = "apb", "hosc", "losc";
			gpio-controller;
			#gpio-cells = <3>;
			interrupt-controller;
			#interrupt-cells = <3>;

			r_i2c_pins: r-i2c-pins {
				pins = "PL0" ,"PL1";
				allwinner,pinmux = <2>;
				function = "r_i2c0";
			};
		};

		r_i2c0: i2c@7083000 {
			compatible = "allwinner,sun60i-a733-i2c",
				     "allwinner,sun8i-v536-i2c",
				     "allwinner,sun6i-a31-i2c";
			reg = <0x07083000 0x1000>;
//			interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>;
			interrupts = <0 203 4>;
			clocks = <&osc24M>;
			pinctrl-names = "default";
			pinctrl-0 = <&r_i2c_pins>;
			status = "okay";

			#address-cells = <1>;
			#size-cells = <0>;

			pmic@36 {
				compatible = "x-powers,axp318w";
				reg = <0x36>;
				#interrupt-cells = <0x01>;
				interrupt-controller;
			};
		};
	};
};