u-boot/arch/arm/dts/draak.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the Draak board
 *
 * Copyright (C) 2016-2018 Renesas Electronics Corp.
 * Copyright (C) 2017 Glider bvba
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Renesas Draak board";
	compatible = "renesas,draak";

	aliases {
		serial0 = &scif2;
		ethernet0 = &avb;
	};

	audio_clkout: audio-clkout {
		/*
		 * This is same as <&rcar_sound 0>
		 * but needed to avoid cs2000/rcar_sound probe dead-lock
		 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12288000>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 50000>;

		brightness-levels = <512 511 505 494 473 440 392 327 241 133 0>;
		default-brightness-level = <10>;

		power-supply = <&reg_12p0v>;
		enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
	};

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

	composite-in {
		compatible = "composite-video-connector";

		port {
			composite_con_in: endpoint {
				remote-endpoint = <&adv7180_in>;
			};
		};
	};

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

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&adv7612_in>;
			};
		};
	};

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

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

	keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&keys_pins>;
		pinctrl-names = "default";

		key-1 {
			gpios = <&gpio4 12 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_1>;
			label = "SW56-1";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-2 {
			gpios = <&gpio4 13 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_2>;
			label = "SW56-2";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-3 {
			gpios = <&gpio4 14 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_3>;
			label = "SW56-3";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-4 {
			gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_4>;
			label = "SW56-4";
			wakeup-source;
			debounce-interval = <20>;
		};
	};

	lvds-decoder {
		compatible = "thine,thc63lvd1024";
		vcc-supply = <&reg_3p3v>;

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

			port@0 {
				reg = <0>;
				thc63lvd1024_in: endpoint {
					remote-endpoint = <&lvds0_out>;
				};
			};

			port@2 {
				reg = <2>;
				thc63lvd1024_out: endpoint {
					remote-endpoint = <&adv7511_in>;
				};
			};
		};
	};

	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x0 0x18000000>;
	};

	reg_1p8v: regulator-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_12p0v: regulator-12p0v {
		compatible = "regulator-fixed";
		regulator-name = "D12.0V";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-boot-on;
		regulator-always-on;
	};

	sound_card: sound {
		compatible = "audio-graph-card";

		dais = <&rsnd_port0	/* ak4613 */
			/* HDMI is not yet supported */
		>;
	};

	vga {
		compatible = "vga-connector";

		port {
			vga_in: endpoint {
				remote-endpoint = <&adv7123_out>;
			};
		};
	};

	vga-encoder {
		compatible = "adi,adv7123";

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

			port@0 {
				reg = <0>;
				adv7123_in: endpoint {
					remote-endpoint = <&du_out_rgb>;
				};
			};
			port@1 {
				reg = <1>;
				adv7123_out: endpoint {
					remote-endpoint = <&vga_in>;
				};
			};
		};
	};

	x12_clk: x12 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <74250000>;
	};

	x19_clk: x19 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24576000>;
	};
};

&audio_clk_b {
	/*
	 * X11 is connected to VI4_FIELD/SCIF_CLK/AUDIO_CLKB,
	 * and R-Car Sound uses AUDIO_CLKB.
	 * Note is that schematic indicates VI4_FIELD conection only
	 * not AUDIO_CLKB at SoC page.
	 * And this VI4_FIELD/SCIF_CLK/AUDIO_CLKB is connected to SW60.
	 * SW60 should be 1-2.
	 */

	clock-frequency = <22579200>;
};

&avb {
	pinctrl-0 = <&avb0_pins>;
	pinctrl-names = "default";
	renesas,no-ether-link;
	phy-handle = <&phy0>;
	status = "okay";

	phy0: ethernet-phy@0 {
		compatible = "ethernet-phy-id0022.1622",
			     "ethernet-phy-ieee802.3-c22";
		rxc-skew-ps = <1500>;
		reg = <0>;
		interrupt-parent = <&gpio5>;
		interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
		reset-gpios = <&gpio5 18 GPIO_ACTIVE_LOW>;
		/*
		 * TX clock internal delay mode is required for reliable
		 * 1Gbps communication using the KSZ9031RNX phy present on
		 * the Draak board, however, TX clock internal delay mode
		 * isn't supported on R-Car D3(e).  Thus, limit speed to
		 * 100Mbps for reliable communication.
		 */
		max-speed = <100>;
	};
};

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

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

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

	clocks = <&cpg CPG_MOD 724>,
		 <&cpg CPG_MOD 723>,
		 <&x12_clk>;
	clock-names = "du.0", "du.1", "dclkin.0";

	ports {
		port@0 {
			du_out_rgb: endpoint {
				remote-endpoint = <&adv7123_in>;
			};
		};
	};
};

&ehci0 {
	dr_mode = "host";
	status = "okay";
};

&extal_clk {
	clock-frequency = <48000000>;
};

&hsusb {
	dr_mode = "host";
	status = "okay";
};

&i2c0 {
	pinctrl-0 = <&i2c0_pins>;
	pinctrl-names = "default";
	status = "okay";

	ak4613: codec@10 {
		compatible = "asahi-kasei,ak4613";
		#sound-dai-cells = <0>;
		reg = <0x10>;
		clocks = <&rcar_sound 0>; /* audio_clkout */

		asahi-kasei,in1-single-end;
		asahi-kasei,in2-single-end;
		asahi-kasei,out1-single-end;
		asahi-kasei,out2-single-end;
		asahi-kasei,out3-single-end;
		asahi-kasei,out4-single-end;
		asahi-kasei,out5-single-end;
		asahi-kasei,out6-single-end;

		port {
			ak4613_endpoint: endpoint {
				remote-endpoint = <&rsnd_for_ak4613>;
			};
		};
	};

	composite-in@20 {
		compatible = "adi,adv7180cp";
		reg = <0x20>;

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

			port@0 {
				reg = <0>;
				adv7180_in: endpoint {
					remote-endpoint = <&composite_con_in>;
				};
			};

			port@3 {
				reg = <3>;

				/*
				 * The VIN4 video input path is shared between
				 * CVBS and HDMI inputs through SW[49-53]
				 * switches.
				 *
				 * CVBS is the default selection, link it to
				 * VIN4 here.
				 */
				adv7180_out: endpoint {
					remote-endpoint = <&vin4_in>;
				};
			};
		};

	};

	hdmi-encoder@39 {
		compatible = "adi,adv7511w";
		reg = <0x39>, <0x3f>, <0x3c>, <0x38>;
		reg-names = "main", "edid", "cec", "packet";
		interrupt-parent = <&gpio1>;
		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;

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

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

			port@0 {
				reg = <0>;
				adv7511_in: endpoint {
					remote-endpoint = <&thc63lvd1024_out>;
				};
			};

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

	hdmi-decoder@4c {
		compatible = "adi,adv7612";
		reg = <0x4c>;
		default-input = <0>;

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

			port@0 {
				reg = <0>;

				adv7612_in: endpoint {
					remote-endpoint = <&hdmi_con_in>;
				};
			};

			port@2 {
				reg = <2>;

				/*
				 * The VIN4 video input path is shared between
				 * CVBS and HDMI inputs through SW[49-53]
				 * switches.
				 *
				 * CVBS is the default selection, leave HDMI
				 * not connected here.
				 */
				adv7612_out: endpoint {
					pclk-sample = <0>;
					hsync-active = <0>;
					vsync-active = <0>;
				};
			};
		};
	};

	cs2000: clk-multiplier@4f {
		#clock-cells = <0>;
		compatible = "cirrus,cs2000-cp";
		reg = <0x4f>;
		clocks = <&audio_clkout>, <&x19_clk>; /* audio_clkout_1, x19 */
		clock-names = "clk_in", "ref_clk";

		assigned-clocks = <&cs2000>;
		assigned-clock-rates = <24576000>; /* 1/1 divide */
	};

	eeprom@50 {
		compatible = "rohm,br24t01", "atmel,24c01";
		reg = <0x50>;
		pagesize = <8>;
	};
};

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

&lvds0 {
	status = "okay";

	clocks = <&cpg CPG_MOD 727>,
		 <&x12_clk>,
		 <&extal_clk>;
	clock-names = "fck", "dclkin.0", "extal";

	ports {
		port@1 {
			lvds0_out: endpoint {
				remote-endpoint = <&thc63lvd1024_in>;
			};
		};
	};
};

&lvds1 {
	/*
	 * Even though the LVDS1 output is not connected, the encoder must be
	 * enabled to supply a pixel clock to the DU for the DPAD output when
	 * LVDS0 is in use.
	 */
	status = "okay";

	clocks = <&cpg CPG_MOD 727>,
		 <&x12_clk>,
		 <&extal_clk>;
	clock-names = "fck", "dclkin.0", "extal";
};

&ohci0 {
	dr_mode = "host";
	status = "okay";
};

&pfc {
	avb0_pins: avb {
		groups = "avb0_link", "avb0_mdio", "avb0_mii";
		function = "avb0";
	};

	can0_pins: can0 {
		groups = "can0_data_a";
		function = "can0";
	};

	can1_pins: can1 {
		groups = "can1_data_a";
		function = "can1";
	};

	du_pins: du {
		groups = "du_rgb888", "du_sync", "du_disp", "du_clk_out_0";
		function = "du";
	};

	i2c0_pins: i2c0 {
		groups = "i2c0";
		function = "i2c0";
	};

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

	keys_pins: keys {
		pins = "GP_4_12", "GP_4_13", "GP_4_14", "GP_4_15";
		bias-pull-up;
	};

	pwm0_pins: pwm0 {
		groups = "pwm0_c";
		function = "pwm0";
	};

	pwm1_pins: pwm1 {
		groups = "pwm1_c";
		function = "pwm1";
	};

	rpc_pins: rpc {
		groups = "rpc_clk2", "rpc_ctrl", "rpc_data", "rpc_reset",
			 "rpc_int";
		function = "rpc";
	};

	scif2_pins: scif2 {
		groups = "scif2_data";
		function = "scif2";
	};

	sdhi2_pins: sd2 {
		groups = "mmc_data8", "mmc_ctrl";
		function = "mmc";
		power-source = <1800>;
	};

	sdhi2_pins_uhs: sd2_uhs {
		groups = "mmc_data8", "mmc_ctrl";
		function = "mmc";
		power-source = <1800>;
	};

	sound_pins: sound {
		groups = "ssi34_ctrl", "ssi3_data", "ssi4_data_a";
		function = "ssi";
	};

	sound_clk_pins: sound-clk {
		groups = "audio_clk_a", "audio_clk_b",
			 "audio_clkout", "audio_clkout1";
		function = "audio_clk";
	};

	usb0_pins: usb0 {
		groups = "usb0";
		function = "usb0";
	};

	vin4_pins_cvbs: vin4 {
		groups = "vin4_data8", "vin4_sync", "vin4_clk";
		function = "vin4";
	};
};

&pwm0 {
	pinctrl-0 = <&pwm0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&pwm1 {
	pinctrl-0 = <&pwm1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

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

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

	/* audio_clkout0/1 */
	#clock-cells = <1>;
	clock-frequency = <12288000 11289600>;

	status = "okay";

	clocks = <&cpg CPG_MOD 1005>,
		 <&cpg CPG_MOD 1011>, <&cpg CPG_MOD 1012>,
		 <&cpg CPG_MOD 1025>, <&cpg CPG_MOD 1026>,
		 <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
		 <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
		 <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
		 <&cs2000>, <&audio_clk_b>,
		 <&cpg CPG_CORE R8A77995_CLK_ZA2>;

	ports {
		rsnd_port0: port {
			rsnd_for_ak4613: endpoint {
				remote-endpoint = <&ak4613_endpoint>;
				dai-format = "left_j";
				bitclock-master = <&rsnd_for_ak4613>;
				frame-master = <&rsnd_for_ak4613>;
				playback = <&ssi3>, <&src5>, <&dvc0>;
				capture = <&ssi4>, <&src6>, <&dvc1>;
			};
		};
	};
};

&rpc {
	pinctrl-0 = <&rpc_pins>;
	pinctrl-names = "default";

	/* Left disabled.  To be enabled by firmware when unlocked. */

	flash@0 {
		compatible = "cypress,hyperflash", "cfi-flash";
		reg = <0>;

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

			bootparam@0 {
				reg = <0x00000000 0x040000>;
				read-only;
			};
			bl2@40000 {
				reg = <0x00040000 0x140000>;
				read-only;
			};
			cert_header_sa6@180000 {
				reg = <0x00180000 0x040000>;
				read-only;
			};
			bl31@1c0000 {
				reg = <0x001c0000 0x040000>;
				read-only;
			};
			tee@200000 {
				reg = <0x00200000 0x440000>;
				read-only;
			};
			uboot@640000 {
				reg = <0x00640000 0x100000>;
				read-only;
			};
			dtb@740000 {
				reg = <0x00740000 0x080000>;
			};
			kernel@7c0000 {
				reg = <0x007c0000 0x1400000>;
			};
			user@1bc0000 {
				reg = <0x01bc0000 0x2440000>;
			};
		};
	};
};

&rwdt {
	timeout-sec = <60>;
	status = "okay";
};

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

	status = "okay";
};

&sdhi2 {
	/* used for on-board eMMC */
	pinctrl-0 = <&sdhi2_pins>;
	pinctrl-1 = <&sdhi2_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	bus-width = <8>;
	mmc-hs200-1_8v;
	no-sd;
	no-sdio;
	non-removable;
	status = "okay";
};

&ssi4 {
	shared-pin;
};

&usb2_phy0 {
	pinctrl-0 = <&usb0_pins>;
	pinctrl-names = "default";

	renesas,no-otg-pins;
	status = "okay";
};

&vin4 {
	pinctrl-0 = <&vin4_pins_cvbs>;
	pinctrl-names = "default";

	status = "okay";

	ports {
		port {
			vin4_in: endpoint {
				remote-endpoint = <&adv7180_out>;
			};
		};
	};
};