arch/arm/boot/dts/r8a7792-wheat.dts

/*
 * Device Tree Source for the Wheat board
 *
 * Copyright (C) 2016 Renesas Electronics Corporation
 * Copyright (C) 2016 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 "r8a7792.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Wheat";
	compatible = "renesas,wheat", "renesas,r8a7792";

	aliases {
		serial0 = &scif0;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
		stdout-path = "serial0:115200n8";
	};

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

	d3_3v: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "D3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	ethernet@18000000 {
		compatible = "smsc,lan89218", "smsc,lan9115";
		reg = <0 0x18000000 0 0x100>;
		phy-mode = "mii";
		interrupt-parent = <&irqc>;
		interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
		smsc,irq-push-pull;
		smsc,save-mac-address;
		reg-io-width = <4>;
		vddvario-supply = <&d3_3v>;
		vdd33a-supply = <&d3_3v>;

		pinctrl-0 = <&lan89218_pins>;
		pinctrl-names = "default";
	};

	keyboard {
		compatible = "gpio-keys";

		key-a {
			linux,code = <KEY_A>;
			label = "SW2";
			wakeup-source;
			debounce-interval = <20>;
			gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
		};
		key-b {
			linux,code = <KEY_B>;
			label = "SW3";
			wakeup-source;
			debounce-interval = <20>;
			gpios = <&gpio11 2 GPIO_ACTIVE_LOW>;
		};
	};

	vcc_sdhi0: regulator-vcc-sdhi0 {
		compatible = "regulator-fixed";

		regulator-name = "SDHI0 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

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

&pfc {
	scif0_pins: scif0 {
		groups = "scif0_data";
		function = "scif0";
	};

	lan89218_pins: lan89218 {
		intc {
			groups = "intc_irq0";
			function = "intc";
		};
		lbsc {
			groups = "lbsc_ex_cs0";
			function = "lbsc";
		};
	};

	can0_pins: can0 {
		groups = "can0_data";
		function = "can0";
	};

	can1_pins: can1 {
		groups = "can1_data";
		function = "can1";
	};

	sdhi0_pins: sdhi0 {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
	};

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

&scif0 {
	pinctrl-0 = <&scif0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&can0 {
	pinctrl-0 = <&can0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&can1 {
	pinctrl-0 = <&can1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&sdhi0 {
	pinctrl-0 = <&sdhi0_pins>;
	pinctrl-names = "default";

	vmmc-supply = <&vcc_sdhi0>;
	cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
	status = "okay";
};

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

	flash@0 {
		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;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			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>;
			};
		};
	};
};