linux-arkmicro/linux/arch/mips/boot/dts/qca/ar9331_dpt_module.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

#include "ar9331.dtsi"

/ {
	model = "DPTechnics DPT-Module";
	compatible = "dptechnics,dpt-module";

	aliases {
		serial0 = &uart;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x4000000>;
	};

	leds {
		compatible = "gpio-leds";

		system {
			label = "dpt-module:green:system";
			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		button@0 {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
		};
	};
};

&ref {
	clock-frequency = <25000000>;
};

&uart {
	status = "okay";
};

&gpio {
	status = "okay";
};

&usb {
	dr_mode = "host";
	status = "okay";
};

&usb_phy {
	status = "okay";
};

&spi {
	num-chipselects = <1>;
	status = "okay";

	/* Winbond 25Q128FVSG SPI flash */
	spiflash: w25q128@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "winbond,w25q128", "jedec,spi-nor";
		spi-max-frequency = <104000000>;
		reg = <0>;
	};
};