/*
 * Device Tree Source for the Gose board
 *
 * Copyright (C) 2014-2015 Renesas Electronics Corporation
 *
 * 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.
 */

/*
 * SSI-AK4643
 *
 * SW1: 1: AK4643
 *      2: CN22
 *      3: ADV7511
 *
 * This command is required when Playback/Capture
 *
 *	amixer set "LINEOUT Mixer DACL" on
 *	amixer set "DVC Out" 100%
 *	amixer set "DVC In" 100%
 *
 * You can use Mute
 *
 *	amixer set "DVC Out Mute" on
 *	amixer set "DVC In Mute" on
 *
 * You can use Volume Ramp
 *
 *	amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
 *	amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
 *	amixer set "DVC Out Ramp" on
 *	aplay xxx.wav &
 *	amixer set "DVC Out"  80%  // Volume Down
 *	amixer set "DVC Out" 100%  // Volume Up
 */

/dts-v1/;
#include "r8a7793.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Gose";
	compatible = "renesas,gose", "renesas,r8a7793";

	aliases {
		serial0 = &scif0;
		serial1 = &scif1;
	};

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

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

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

		key-1 {
		        gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_1>;
		        label = "SW2-1";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-2 {
		        gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_2>;
		        label = "SW2-2";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-3 {
		        gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_3>;
		        label = "SW2-3";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-4 {
		        gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_4>;
		        label = "SW2-4";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-a {
		        gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_A>;
		        label = "SW30";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-b {
		        gpios = <&gpio7 1 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_B>;
		        label = "SW31";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-c {
		        gpios = <&gpio7 2 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_C>;
		        label = "SW32";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-d {
		        gpios = <&gpio7 3 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_D>;
		        label = "SW33";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-e {
		        gpios = <&gpio7 4 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_E>;
		        label = "SW34";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-f {
		        gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_F>;
		        label = "SW35";
		        wakeup-source;
		        debounce-interval = <20>;
		};
		key-g {
		        gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
		        linux,code = <KEY_G>;
		        label = "SW36";
		        wakeup-source;
		        debounce-interval = <20>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led6 {
			gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
			label = "LED6";
		};
		led7 {
			gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
			label = "LED7";
		};
		led8 {
			gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>;
			label = "LED8";
		};
	};

	audio_clock: clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <11289600>;
		clock-output-names = "audio_clock";
	};

	rsnd_ak4643: sound {
		compatible = "simple-audio-card";

		simple-audio-card,format = "left_j";
		simple-audio-card,bitclock-master = <&sndcodec>;
		simple-audio-card,frame-master = <&sndcodec>;

		sndcpu: simple-audio-card,cpu {
			sound-dai = <&rcar_sound>;
		};

		sndcodec: simple-audio-card,codec {
			sound-dai = <&ak4643>;
			clocks = <&audio_clock>;
		};
	};

	hdmi-out {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con: endpoint {
				remote-endpoint = <&adv7511_out>;
			};
		};
	};

	x2_clk: x2-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <74250000>;
	};

	x13_clk: x13-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <148500000>;
	};
};

&du {
	pinctrl-0 = <&du_pins>;
	pinctrl-names = "default";
	status = "okay";

	clocks = <&mstp7_clks R8A7793_CLK_DU0>,
		 <&mstp7_clks R8A7793_CLK_DU1>,
		 <&mstp7_clks R8A7793_CLK_LVDS0>,
		 <&x13_clk>, <&x2_clk>;
	clock-names = "du.0", "du.1", "lvds.0",
		      "dclkin.0", "dclkin.1";

	ports {
		port@0 {
			endpoint {
				remote-endpoint = <&adv7511_in>;
			};
		};
		port@1 {
			lvds_connector: endpoint {
			};
		};
	};
};

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

&pfc {
	pinctrl-0 = <&scif_clk_pins>;
	pinctrl-names = "default";

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

	du_pins: du {
		renesas,groups = "du_rgb888", "du_sync", "du_disp", "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";
	};

	scif_clk_pins: scif_clk {
		renesas,groups = "scif_clk";
		renesas,function = "scif_clk";
	};

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

	phy1_pins: phy1 {
		renesas,groups = "intc_irq0";
		renesas,function = "intc";
	};

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

	sound_pins: sound {
		renesas,groups = "ssi0129_ctrl", "ssi0_data", "ssi1_data";
		renesas,function = "ssi";
	};

	sound_clk_pins: sound_clk {
		renesas,groups = "audio_clk_a";
		renesas,function = "audio_clk";
	};
};

&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 = <0 IRQ_TYPE_LEVEL_LOW>;
		micrel,led-mode = <1>;
	};
};

&cmt0 {
	status = "okay";
};

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

	status = "okay";
};

&scif1 {
	pinctrl-0 = <&scif1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&scif_clk {
	clock-frequency = <14745600>;
	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>;
			};
		};
	};
};

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

	status = "okay";
	clock-frequency = <100000>;

	ak4643: codec@12 {
		compatible = "asahi-kasei,ak4643";
		#sound-dai-cells = <0>;
		reg = <0x12>;
	};

	hdmi@39 {
		compatible = "adi,adv7511w";
		reg = <0x39>;
		interrupt-parent = <&gpio3>;
		interrupts = <29 IRQ_TYPE_LEVEL_LOW>;

		adi,input-depth = <8>;
		adi,input-colorspace = "rgb";
		adi,input-clock = "1x";
		adi,input-style = <1>;
		adi,input-justification = "evenly";

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;
				adv7511_in: endpoint {
					remote-endpoint = <&du_out_rgb>;
				};
			};

			port@1 {
				reg = <1>;
				adv7511_out: endpoint {
					remote-endpoint = <&hdmi_con>;
				};
			};
		};
	};

	eeprom@50 {
		compatible = "renesas,r1ex24002", "atmel,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};
};

&rcar_sound {
	pinctrl-0 = <&sound_pins &sound_clk_pins>;
	pinctrl-names = "default";

	/* Single DAI */
	#sound-dai-cells = <0>;

	status = "okay";

	rcar_sound,dai {
		dai0 {
			playback = <&ssi0 &src2 &dvc0>;
			capture  = <&ssi1 &src3 &dvc1>;
		};
	};
};

&ssi1 {
	shared-pin;
};