linux/arch/arm/boot/dts/gemini-nas4220b.dts

/*
 * Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
 */

/dts-v1/;

#include "gemini.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Raidsonic NAS IB-4220-B";
	compatible = "raidsonic,ib-4220-b", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory { /* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,19200n8";
		stdout-path = &uart0;
	};

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

		button@29 {
			debounce_interval = <50>;
			wakeup-source;
			linux,code = <KEY_SETUP>;
			label = "Backup button";
			gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
		};
		button@31 {
			debounce_interval = <50>;
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "Softreset button";
			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led@28 {
			label = "nas4220b:orange:hdd";
			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
		led@30 {
			label = "nas4220b:green:os";
			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

	soc {
		flash@30000000 {
			status = "okay";
			/* 16MB of flash */
			reg = <0x30000000 0x01000000>;

			partition@0 {
				label = "RedBoot";
				reg = <0x00000000 0x00020000>;
				read-only;
			};
			partition@20000 {
				label = "Kernel";
				reg = <0x00020000 0x00300000>;
			};
			partition@320000 {
				label = "Ramdisk";
				reg = <0x00320000 0x00600000>;
			};
			partition@920000 {
				label = "Application";
				reg = <0x00920000 0x00600000>;
			};
			partition@f20000 {
				label = "VCTL";
				reg = <0x00f20000 0x00020000>;
				read-only;
			};
			partition@f40000 {
				label = "CurConf";
				reg = <0x00f40000 0x000a0000>;
				read-only;
			};
			partition@fe0000 {
				label = "FIS directory";
				reg = <0x00fe0000 0x00020000>;
				read-only;
			};
		};
	};
};