linux/arch/arm/boot/dts/r8a7791-koelsch.dts

/*
 * Device Tree Source for the Koelsch board
 *
 * Copyright (C) 2013 Renesas Electronics Corporation
 * Copyright (C) 2013 Renesas Solutions Corp.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

/dts-v1/;
#include "r8a7791.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Koelsch";
	compatible = "renesas,koelsch", "renesas,r8a7791";

	chosen {
		bootargs = "console=ttySC6,115200 ignore_loglevel rw root=/dev/nfs ip=dhcp";
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0 0x40000000 0 0x40000000>;
	};

	memory@200000000 {
		device_type = "memory";
		reg = <2 0x00000000 0 0x40000000>;
	};

	lbsc {
		#address-cells = <1>;
		#size-cells = <1>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		key-a {
			gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
			linux,code = <30>;
			label = "SW30";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-b {
			gpios = <&gpio7 1 GPIO_ACTIVE_LOW>;
			linux,code = <48>;
			label = "SW31";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-c {
			gpios = <&gpio7 2 GPIO_ACTIVE_LOW>;
			linux,code = <46>;
			label = "SW32";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-d {
			gpios = <&gpio7 3 GPIO_ACTIVE_LOW>;
			linux,code = <32>;
			label = "SW33";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-e {
			gpios = <&gpio7 4 GPIO_ACTIVE_LOW>;
			linux,code = <18>;
			label = "SW34";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-f {
			gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
			linux,code = <33>;
			label = "SW35";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
		key-g {
			gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
			linux,code = <34>;
			label = "SW36";
			gpio-key,wakeup;
			debounce-interval = <20>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led6 {
			gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		};
		led7 {
			gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
		};
		led8 {
			gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>;
		};
	};
};

&extal_clk {
	clock-frequency = <20000000>;
};

&i2c2 {
	pinctrl-0 = <&i2c2_pins>;
	pinctrl-names = "default";

	status = "okay";
	clock-frequency = <400000>;

	eeprom@50 {
		compatible = "renesas,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};
};

&pfc {
	pinctrl-0 = <&du_pins &scif0_pins &scif1_pins>;
	pinctrl-names = "default";

	i2c2_pins: i2c {
		renesas,groups = "i2c2";
		renesas,function = "i2c2";
	};

	du_pins: du {
		renesas,groups = "du_rgb666", "du_sync", "du_clk_out_0";
		renesas,function = "du";
	};

	scif0_pins: serial0 {
		renesas,groups = "scif0_data_d";
		renesas,function = "scif0";
	};

	scif1_pins: serial1 {
		renesas,groups = "scif1_data_d";
		renesas,function = "scif1";
	};

	qspi_pins: spi {
		renesas,groups = "qspi_ctrl", "qspi_data4";
		renesas,function = "qspi";
	};
};

&sata0 {
	status = "okay";
};

&spi {
	pinctrl-0 = <&qspi_pins>;
	pinctrl-names = "default";

	status = "okay";

	flash: flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "spansion,s25fl512s";
		reg = <0>;
		spi-max-frequency = <30000000>;
		m25p,fast-read;

		partition@0 {
			label = "loader";
			reg = <0x00000000 0x00080000>;
			read-only;
		};
		partition@80000 {
			label = "bootenv";
			reg = <0x00080000 0x00080000>;
			read-only;
		};
		partition@100000 {
			label = "data";
			reg = <0x00100000 0x03f00000>;
		};
	};
};