u-boot-brain/arch/sandbox/dts/sandbox.dtsi

/*
 * This is the common sandbox device-tree nodes. This is shared between sandbox
 * and sandbox64 builds.
 */

#define USB_CLASS_HUB			9

/ {
	chosen {
		stdout-path = "/serial";
	};

	audio: audio-codec {
		compatible = "sandbox,audio-codec";
		#sound-dai-cells = <1>;
	};

	buttons {
		compatible = "gpio-keys";

		btn1 {
			gpios = <&gpio_a 3 0>;
			label = "button1";
		};

		btn2 {
			gpios = <&gpio_a 4 0>;
			label = "button2";
		};
	};

	clk_fixed: clk-fixed {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1234>;
	};

	clk_sandbox: clk-sbox {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,clk";
		#clock-cells = <1>;
		assigned-clocks = <&clk_sandbox 3>;
		assigned-clock-rates = <321>;
	};

	clk-test {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,clk-test";
		clocks = <&clk_fixed>,
			 <&clk_sandbox 1>,
			 <&clk_sandbox 0>,
			 <&clk_sandbox 3>,
			 <&clk_sandbox 2>;
		clock-names = "fixed", "i2c", "spi", "uart2", "uart1";
	};

	gpio_a: gpios@0 {
		u-boot,dm-pre-proper;
		gpio-controller;
		compatible = "sandbox,gpio";
		#gpio-cells = <1>;
		gpio-bank-name = "a";
		sandbox,gpio-count = <20>;
	};

	gpio_b: gpios@1 {
		u-boot,dm-pre-proper;
		gpio-controller;
		compatible = "sandbox,gpio";
		#gpio-cells = <2>;
		gpio-bank-name = "b";
		sandbox,gpio-count = <10>;
	};

	hexagon {
		compatible = "demo-simple";
		colour = "white";
		sides = <6>;
	};

	i2c_0: i2c@0 {
		eeprom@2c {
			reg = <0x2c>;
			compatible = "i2c-eeprom";
			sandbox,emul = <&emul_eeprom>;
		};

		rtc_0: rtc@43 {
			reg = <0x43>;
			compatible = "sandbox-rtc";
			sandbox,emul = <&emul0>;
			u-boot,dm-pre-reloc;
		};
		sandbox_pmic: sandbox_pmic {
			reg = <0x40>;
		};

		mc34708: pmic@41 {
			reg = <0x41>;
		};

		i2c_emul: emul {
			u-boot,dm-pre-reloc;
			reg = <0xff>;
			compatible = "sandbox,i2c-emul-parent";
			emul_eeprom: emul-eeprom {
				compatible = "sandbox,i2c-eeprom";
				sandbox,filename = "i2c.bin";
				sandbox,size = <256>;
				#emul-cells = <0>;
			};
			emul0: emul0 {
				u-boot,dm-pre-reloc;
				compatible = "sandbox,i2c-rtc-emul";
				#emul-cells = <0>;
			};
		};
	};

	i2s: i2s {
		compatible = "sandbox,i2s";
		#sound-dai-cells = <1>;
	};

	lcd {
		u-boot,dm-pre-proper;
		compatible = "sandbox,lcd-sdl";
		xres = <1366>;
		yres = <768>;
		log2-depth = <5>;
	};

	leds {
		compatible = "gpio-leds";

		iracibble {
			gpios = <&gpio_a 1 0>;
			label = "sandbox:red";
		};

		martinet {
			gpios = <&gpio_a 2 0>;
			label = "sandbox:green";
		};
	};

	pci@0 {
		pci@1e,0 {
			compatible = "sandbox,pmc";
			reg = <0xf000 0 0 0 0>;
			sandbox,emul = <&pmc_emul>;
			gpe0-dwx-mask = <0xf>;
			gpe0-dwx-shift-base = <4>;
			gpe0-dw = <6 7 9>;
			gpe0-sts = <0x20>;
			gpe0-en = <0x30>;
		};

		pci@1f,0 {
			compatible = "pci-generic";
			reg = <0xf800 0 0 0 0>;
			sandbox,emul = <&swap_case_emul>;
		};
	};

	emul {
		compatible = "sandbox,pci-emul-parent";
		pmc_emul: emul@1e,0 {
			compatible = "sandbox,pmc-emul";
		};
		swap_case_emul: emul@1f,0 {
			compatible = "sandbox,swap-case";
		};
	};

	pinctrl {
		compatible = "sandbox,pinctrl";
		status = "okay";

		pinctrl_i2c0: i2c0 {
			groups = "i2c";
			function = "i2c";
			bias-pull-up;
		};

		pinctrl_serial0: uart0 {
			groups = "serial_a";
			function = "serial";
		};

		pinctrl_onewire0: onewire0 {
			groups = "w1";
			function = "w1";
			bias-pull-up;
		};
	};

	reset@1 {
		compatible = "sandbox,reset";
	};

	rng {
		compatible = "sandbox,sandbox-rng";
	};

	sound {
		compatible = "sandbox,sound";
		cpu {
			sound-dai = <&i2s 0>;
		};

		codec {
			sound-dai = <&audio 0>;
		};
	};

	spi@0 {
		firmware_storage_spi: flash@0 {
			u-boot,dm-pre-proper;
			reg = <0>;
			compatible = "spansion,m25p16", "jedec,spi-nor";
			spi-max-frequency = <40000000>;
			sandbox,filename = "spi.bin";
		};
	};

	spl-test {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,spl-test";
		boolval;
		intval = <1>;
		intarray = <2 3 4>;
		byteval = [05];
		bytearray = [06];
		longbytearray = [09 0a 0b 0c 0d 0e 0f 10 11];
		stringval = "message";
		stringarray = "multi-word", "message";
	};

	spl-test2 {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,spl-test";
		intval = <3>;
		intarray = <5>;
		byteval = [08];
		bytearray = [01 23 34];
		longbytearray = [09 0a 0b 0c];
		stringval = "message2";
		stringarray = "another", "multi-word", "message";
	};

	spl-test3 {
		u-boot,dm-pre-reloc;
		compatible = "sandbox,spl-test";
		stringarray = "one";
	};

	spl-test5 {
		u-boot,dm-tpl;
		compatible = "sandbox,spl-test";
		stringarray = "tpl";
	};

	spl-test6 {
		u-boot,dm-pre-proper;
		compatible = "sandbox,spl-test";
		stringarray = "pre-proper";
	};

	spl-test7 {
		u-boot,dm-spl;
		compatible = "sandbox,spl-test";
		stringarray = "spl";
	};

	square {
		compatible = "demo-shape";
		colour = "blue";
		sides = <4>;
	};

	timer {
		compatible = "sandbox,timer";
		clock-frequency = <1000000>;
	};

	tpm {
		compatible = "google,sandbox-tpm";
	};

	tpm2 {
		compatible = "sandbox,tpm2";
	};

	triangle {
		compatible = "demo-shape";
		colour = "cyan";
		sides = <3>;
		character = <83>;
		light-gpios = <&gpio_a 2>, <&gpio_b 6 0>;
	};

	/* Needs to be available prior to relocation */
	uart0: serial {
		u-boot,dm-spl;
		compatible = "sandbox,serial";
		sandbox,text-colour = "cyan";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_serial0>;
	};

	usb@0 {
		compatible = "sandbox,usb";
		status = "disabled";
		hub {
			compatible = "sandbox,usb-hub";
			#address-cells = <1>;
			#size-cells = <0>;
			flash-stick {
				reg = <0>;
				compatible = "sandbox,usb-flash";
			};
		};
	};

	usb@1 {
		compatible = "sandbox,usb";
		hub {
			compatible = "usb-hub";
			usb,device-class = <USB_CLASS_HUB>;
			hub-emul {
				compatible = "sandbox,usb-hub";
				#address-cells = <1>;
				#size-cells = <0>;
				flash-stick {
					reg = <0>;
					compatible = "sandbox,usb-flash";
					sandbox,filepath = "flash.bin";
				};
			};
		};
	};

	usb@2 {
		compatible = "sandbox,usb";
		status = "disabled";
	};

	spmi: spmi@0 {
		compatible = "sandbox,spmi";
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		pm8916@0 {
			compatible = "qcom,spmi-pmic";
			reg = <0x0 0x1>;
			#address-cells = <0x1>;
			#size-cells = <0x1>;

			spmi_gpios: gpios@c000 {
				compatible = "qcom,pm8916-gpio";
				reg = <0xc000 0x400>;
				gpio-controller;
				gpio-count = <4>;
				#gpio-cells = <2>;
				gpio-bank-name="spmi";
			};
		};
	};

	axi: axi@0 {
		compatible = "sandbox,axi";
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		store@0 {
			compatible = "sandbox,sandbox_store";
			reg = <0x0 0x400>;
		};
	};

	onewire0: onewire {
		compatible = "w1-gpio";
		gpios = <&gpio_a 8>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_onewire0>;
		status = "okay";

		sandbox_eeprom0: sandbox_eeprom@0 {
			compatible = "sandbox,w1-eeprom";
			status = "okay";
		};
	};

	sandbox_tee {
		compatible = "sandbox,tee";
	};
};

&cros_ec {
	/*
	 * This describes the flash memory within the EC. Note
	 * that the STM32L flash erases to 0, not 0xff.
	 */
	flash {
		image-pos = <0x08000000>;
		size = <0x20000>;
		erase-value = <0>;

		/* Information for sandbox */
		ro {
			image-pos = <0>;
			size = <0xf000>;
		};
		wp-ro {
			image-pos = <0xf000>;
			size = <0x1000>;
		};
		rw {
			image-pos = <0x10000>;
			size = <0x10000>;
		};
	};

	keyboard-controller {
		u-boot,dm-pre-proper;
	};
};