kumquat-buildroot/board/csky/gx6605s/gx6605s.dts

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "C-SKY gx6605s";
	compatible = "csky,gx6605s";
	#address-cells = <1>;
	#size-cells = <1>;

	memory {
		device_type = "memory";
		reg = <0x10000000 0x04000000>;
	};

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

		dummy_apb: apb-clock {
			compatible = "fixed-clock";
			clock-frequency = <27000000>;
			clock-output-names = "dummy_apb";
			#clock-cells = <0>;
		};

		intc: interrupt-controller@500000 {
			compatible = "csky,gx6605s-intc";
			reg = <0x00500000 0x400>;
			interrupt-controller;
			#interrupt-cells = <1>;
		};

		timer@20a000 {
			compatible = "csky,gx6605s-timer";
			reg = <0x0020a000 0x400>;
			clocks = <&dummy_apb>;
			interrupts = <10>;
			interrupt-parent = <&intc>;
		};

		ehci-hcd@900000 {
			compatible = "generic-ehci";
			reg = <0x00900000 0x400>;
			interrupt-parent = <&intc>;
			interrupts = <59>;
		};

		ohci-hcd0@a00000 {
			compatible = "generic-ohci";
			reg = <0x00a00000 0x400>;
			interrupt-parent = <&intc>;
			interrupts = <58>;
		};

		ohci-hcd1@b00000 {
			compatible = "generic-ohci";
			reg = <0x00b00000 0x400>;
			interrupt-parent = <&intc>;
			interrupts = <57>;
		};

		serial@403000 {
			compatible = "ns16550a";
			reg = <0x00403000 0x400>;
			interrupt-parent = <&intc>;
			interrupts = <15>;
			clock-frequency = <29491200>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <1>;
		};

		gpio0: gpio@305000 {
			compatible = "wd,mbl-gpio";
			reg-names = "dirout", "dat", "set", "clr";
			reg = <0x305000 4>, <0x305004 4>, <0x305008 4>, <0x30500c 4>;
			bgpio-base = <0>;
			#gpio-cells = <2>;
			gpio-controller;
		};

		gpio_buttons {
			compatible = "gpio-keys-polled";
			#address-cells = <1>;
			#size-cells = <0>;
			poll-interval = <100>;
			autorepeat;

			button0 {
				label = "button8";
				linux,code = <KEY_LEFT>;
				gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
			};

			button1 {
				label = "button6";
				linux,code = <KEY_RIGHT>;
				gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
			};

			button2 {
				label = "button5";
				linux,code = <KEY_UP>;
				gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
			};

			button3 {
				label = "button9";
				linux,code = <KEY_DOWN>;
				gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
			};

			button4 {
				label = "button7";
				linux,code = <KEY_ENTER>;
				gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
			};
		};

		gpio_leds {
			compatible = "gpio-leds";

			led0 {
				label = "led10";
				gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
				linux,default-trigger = "heartbeat";
			};

			led1 {
				label = "led11";
				gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
				linux,default-trigger = "timer";
			};

			led2 {
				label = "led12";
				gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
				linux,default-trigger = "default-on";
			};

			led3 {
				label = "led13";
				gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
				linux,default-trigger = "default-on";
			};
		};
	};

	chosen {
		bootargs = "console=ttyS0,115200 init=/sbin/init root=/dev/sda2 rw rootwait";
	};
};