linux/arch/arm/boot/dts/r8a7794-silk.dts

/*
 * Device Tree Source for the SILK board
 *
 * Copyright (C) 2014 Renesas Electronics Corporation
 * Copyright (C) 2014-2015 Renesas Solutions Corp.
 * Copyright (C) 2014-2015 Cogent Embedded, Inc.
 *
 * 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 "r8a7794.dtsi"

/ {
	model = "SILK";
	compatible = "renesas,silk", "renesas,r8a7794";

	aliases {
		serial0 = &scif2;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
		stdout-path = &scif2;
	};

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

	d3_3v: regulator@0 {
		compatible = "regulator-fixed";
		regulator-name = "D3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};
};

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

&pfc {
	scif2_pins: serial2 {
		renesas,groups = "scif2_data";
		renesas,function = "scif2";
	};

	ether_pins: ether {
		renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
		renesas,function = "eth";
	};

	phy1_pins: phy1 {
		renesas,groups = "intc_irq8";
		renesas,function = "intc";
	};

	i2c1_pins: i2c1 {
		renesas,groups = "i2c1";
		renesas,function = "i2c1";
	};

	mmcif0_pins: mmcif0 {
		renesas,groups = "mmc_data8", "mmc_ctrl";
		renesas,function = "mmc";
	};

	qspi_pins: spi0 {
		renesas,groups = "qspi_ctrl", "qspi_data4";
		renesas,function = "qspi";
	};
};

&scif2 {
	pinctrl-0 = <&scif2_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&ether {
	pinctrl-0 = <&ether_pins &phy1_pins>;
	pinctrl-names = "default";

	phy-handle = <&phy1>;
	renesas,ether-link-active-low;
	status = "okay";

	phy1: ethernet-phy@1 {
		reg = <1>;
		interrupt-parent = <&irqc0>;
		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
		micrel,led-mode = <1>;
	};
};

&i2c1 {
	pinctrl-0 = <&i2c1_pins>;
	pinctrl-names = "default";

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

&mmcif0 {
	pinctrl-0 = <&mmcif0_pins>;
	pinctrl-names = "default";

	vmmc-supply = <&d3_3v>;
	vqmmc-supply = <&d3_3v>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

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

	status = "okay";

	flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "spansion,s25fl512s", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <30000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		spi-cpol;
		spi-cpha;
		m25p,fast-read;

		partition@0 {
			label = "loader";
			reg = <0x00000000 0x00040000>;
			read-only;
		};
		partition@40000 {
			label = "user";
			reg = <0x00040000 0x00400000>;
			read-only;
		};
		partition@440000 {
			label = "flash";
			reg = <0x00440000 0x03bc0000>;
		};
	};
};