linux/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
 * Device Tree Source for the R-Car V4H ES3.0 Sparrow Hawk board
 *
 * Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
 */
/*
 * DA7212 Codec settings
 *
 * for Playback
 *	> amixer set "Headphone" 40%
 *	> amixer set "Headphone" on
 *	> amixer set "Mixout Left DAC Left"  on
 *	> amixer set "Mixout Right DAC Right" on
 *	> aplay xxx.wav
 *
 * for Capture (Aux/Mic)
 *
 *		on/off (B)
 *	CONN3 (HeadSet) ---+----> MSIOF1
 *			   |
 *	CONN4 AUX ---------+ on/off (A)
 *
 *	> amixer set "Mixin PGA" on
 *	> amixer set "Mixin PGA" 50%
 *	> amixer set "ADC" on
 *	> amixer set "ADC" 80%
 *	> amixer set "Aux" on				^
 *	> amixer set "Aux" 80%				| (A)
 *	> amixer set "Mixin Left Aux Left" on		|
 *	> amixer set "Mixin Right Aux Right" on		v
 *	> amixer set "Mic 1" on				^
 *	> amixer set "Mic 1" 80%			| (B)
 *	> amixer set "Mixin Left Mic 1" on		|
 *	> amixer set "Mixin Right Mic 1" on		v
 *	> arecord -f cd xxx.wav
 */

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

#include "r8a779g3.dtsi"

/ {
	model = "Retronix Sparrow Hawk board based on r8a779g3";
	compatible = "retronix,sparrow-hawk", "renesas,r8a779g3",
		     "renesas,r8a779g0";

	aliases {
		ethernet0 = &avb0;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		i2c5 = &i2c5;
		serial0 = &hscif0;
		serial1 = &hscif1;
		serial2 = &hscif3;
		spi0 = &rpc;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
		stdout-path = "serial0:921600n8";
	};

	/* Page 31 / FAN */
	fan: pwm-fan {
		pinctrl-0 = <&irq4_pins>;
		pinctrl-names = "default";
		compatible = "pwm-fan";
		#cooling-cells = <2>;
		interrupts-extended = <&intc_ex 4 IRQ_TYPE_EDGE_FALLING>;
		/*
		 * The fan model connected to this device can be selected
		 * by user. Set "cooling-levels" DT property to single 255
		 * entry to force the fan PWM into constant HIGH, which
		 * forces the fan to spin at maximum RPM, thus providing
		 * maximum cooling to this device and protection against
		 * misconfigured PWM duty cycle to the fan.
		 *
		 * User has to configure "pwms" and "pulses-per-revolution"
		 * DT properties according to fan datasheet first, and then
		 * extend "cooling-levels = <0 m n ... 255>" property to
		 * achieve proper fan control compatible with fan model
		 * installed by user.
		 */
		cooling-levels = <255>;
		pulses-per-revolution = <2>;
		pwms = <&pwm0 0 50000>;
	};

	/*
	 * Page 15 / LPDDR5
	 *
	 * This configuration listed below is for the 8 GiB board variant
	 * with MT62F1G64D8EK-023 WT:C LPDDR5 part populated on the board.
	 *
	 * A variant with 16 GiB MT62F2G64D8EK-023 WT:C part populated on
	 * the board is automatically handled by the bootloader, which
	 * adjusts the correct DRAM size into the memory nodes below.
	 */
	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x0 0x78000000>;
	};

	memory@480000000 {
		device_type = "memory";
		reg = <0x4 0x80000000 0x0 0x80000000>;
	};

	memory@600000000 {
		device_type = "memory";
		reg = <0x6 0x00000000 0x1 0x00000000>;
	};

	/* Page 27 / DSI to Display */
	mini-dp-con {
		compatible = "dp-connector";
		label = "CN6";
		type = "full-size";

		port {
			mini_dp_con_in: endpoint {
				remote-endpoint = <&sn65dsi86_out>;
			};
		};
	};

	/* Page 26 / PCIe.0/1 CLK */
	pcie_refclk: clk-x8 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

	reg_1p2v: regulator-1p2v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.2V";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;
		regulator-boot-on;
		regulator-always-on;
	};

	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;
	};

	/* Page 27 / DSI to Display */
	sn65dsi86_refclk: clk-x9 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <38400000>;
	};

	/* Page 30 / Audio_Codec */
	sound_card: sound {
		compatible = "audio-graph-card2";
		links = <&msiof1_snd>;
	};

	/* Page 17 uSD-Slot */
	vcc_sdhi: regulator-vcc-sdhi {
		compatible = "regulator-gpio";
		regulator-name = "SDHI VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio8 13 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 0>, <1800000 1>;
	};
};

&audio_clkin {
	clock-frequency = <24576000>;
};

/* Page 22 / Ether_AVB0 */
&avb0 {
	pinctrl-0 = <&avb0_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb0_phy>;
	tx-internal-delay-ps = <2000>;
	status = "okay";

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

		avb0_phy: ethernet-phy@0 {	/* KSZ9031RNXVB */
			compatible = "ethernet-phy-id0022.1622",
				     "ethernet-phy-ieee802.3-c22";
			rxc-skew-ps = <1500>;
			reg = <0>;
			/* AVB0_PHY_INT_V */
			interrupts-extended = <&gpio7 5 IRQ_TYPE_LEVEL_LOW>;
			/* GP7_10/AVB0_RESETN_V */
			reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
			reset-assert-us = <10000>;
			reset-deassert-us = <300>;
		};
	};
};

/* Page 28 / CANFD_IF */
&can_clk {
	clock-frequency = <40000000>;
};

/* Page 28 / CANFD_IF */
&canfd {
	pinctrl-0 = <&canfd3_pins>, <&canfd4_pins>, <&can_clk_pins>;
	pinctrl-names = "default";

	status = "okay";

	channel3 {
		status = "okay";
	};

	channel4 {
		status = "okay";
	};
};

/* Page 27 / DSI to Display */
&dsi1 {
	status = "okay";

	ports {
		port@1 {
			dsi1_out: endpoint {
				remote-endpoint = <&sn65dsi86_in>;
				data-lanes = <1 2 3 4>;
			};
		};
	};
};

/* Page 27 / DSI to Display */
&du {
	status = "okay";
};

/* Page 5 / R-Car V4H_INT_I2C */
&extal_clk {	/* X3 */
	clock-frequency = <16666666>;
};

/* Page 5 / R-Car V4H_INT_I2C */
&extalr_clk {	/* X2 */
	clock-frequency = <32768>;
};

/* Page 26 / 2230 Key M M.2 */
&gpio4 {
	/* 9FGV0441 nOE inputs 0 and 1 */
	pcie-m2-oe-hog {
		gpio-hog;
		gpios = <21 GPIO_ACTIVE_HIGH>;
		output-low;
		line-name = "PCIe-CLK-nOE-M2";
	};

	/* 9FGV0441 nOE inputs 2 and 3 */
	pcie-usb-oe-hog {
		gpio-hog;
		gpios = <22 GPIO_ACTIVE_HIGH>;
		output-low;
		line-name = "PCIe-CLK-nOE-USB";
	};
};

/* Page 23 / DEBUG */
&hscif0 {	/* FTDI ADBUS[3:0] */
	pinctrl-0 = <&hscif0_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;
	bootph-all;

	status = "okay";
};

/* Page 23 / DEBUG */
&hscif1 {	/* FTDI BDBUS[3:0] */
	pinctrl-0 = <&hscif1_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;

	status = "okay";
};

/* Page 24 / UART */
&hscif3 {	/* CN7 pins 8 (TX) and 10 (RX) */
	pinctrl-0 = <&hscif3_pins>;
	pinctrl-names = "default";

	status = "okay";
};

/* Page 24 / I2C SWITCH */
&i2c0 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c0_pins>;
	pinctrl-names = "default";
	clock-frequency = <400000>;
	status = "okay";

	mux@71 {
		compatible = "nxp,pca9544";	/* TCA9544 */
		reg = <0x71>;
		#address-cells = <1>;
		#size-cells = <0>;
		vdd-supply = <&reg_3p3v>;

		i2c0_mux0: i2c@0 {
			reg = <0>;
			#address-cells = <1>;
			#size-cells = <0>;

			/* Page 27 / DSI to Display */
			bridge@2c {
				pinctrl-0 = <&irq0_pins>;
				pinctrl-names = "default";

				compatible = "ti,sn65dsi86";
				reg = <0x2c>;

				clocks = <&sn65dsi86_refclk>;
				clock-names = "refclk";

				interrupts-extended = <&intc_ex 0 IRQ_TYPE_LEVEL_HIGH>;

				enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;

				vccio-supply = <&reg_1p8v>;
				vpll-supply = <&reg_1p8v>;
				vcca-supply = <&reg_1p2v>;
				vcc-supply = <&reg_1p2v>;

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

					port@0 {
						reg = <0>;
						sn65dsi86_in: endpoint {
							remote-endpoint = <&dsi1_out>;
						};
					};

					port@1 {
						reg = <1>;
						sn65dsi86_out: endpoint {
							remote-endpoint = <&mini_dp_con_in>;
						};
					};
				};
			};
		};

		i2c0_mux1: i2c@1 {
			reg = <1>;
			#address-cells = <1>;
			#size-cells = <0>;

			/* Page 30 / Audio_Codec */
			codec@1a {
				compatible = "dlg,da7212";

				#sound-dai-cells = <0>;
				reg = <0x1a>;

				clocks = <&rcar_sound>;
				clock-names = "mclk";

				VDDA-supply   = <&reg_1p8v>;
				VDDMIC-supply = <&reg_3p3v>;
				VDDIO-supply  = <&reg_3p3v>;

				port {
					da7212_endpoint: endpoint {
						bitclock-master;
						frame-master;
						remote-endpoint = <&msiof1_snd_endpoint>;
					};
				};
			};
		};

		i2c0_mux2: i2c@2 {
			reg = <2>;
			#address-cells = <1>;
			#size-cells = <0>;

			/* Page 26 / PCIe.0/1 CLK */
			pcie_clk: clk@68 {
				compatible = "renesas,9fgv0441";
				reg = <0x68>;
				clocks = <&pcie_refclk>;
				#clock-cells = <1>;
			};
		};

		i2c0_mux3: i2c@3 {
			reg = <3>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
	};
};

/* Page 29 / CSI_IF_CN / CAM_CN0 */
&i2c1 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c1_pins>;
	pinctrl-names = "default";
};

/* Page 29 / CSI_IF_CN / CAM_CN1 */
&i2c2 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c2_pins>;
	pinctrl-names = "default";
};

/* Page 31 / IO_CN */
&i2c3 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c3_pins>;
	pinctrl-names = "default";
};

/* Page 31 / IO_CN */
&i2c4 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c4_pins>;
	pinctrl-names = "default";
};

/* Page 18 / POWER_CORE and Page 19 / POWER_PMIC */
&i2c5 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&i2c5_pins>;
	pinctrl-names = "default";
};

/* Page 17 uSD-Slot */
&mmc0 {
	pinctrl-0 = <&sd_pins>;
	pinctrl-1 = <&sd_uhs_pins>;
	pinctrl-names = "default", "state_uhs";
	bus-width = <4>;
	cd-gpios = <&gpio3 11 GPIO_ACTIVE_LOW>;	/* SD_CD */
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&vcc_sdhi>;
	status = "okay";
};

&msiof1 {
	pinctrl-0 = <&msiof1_pins>;
	pinctrl-names = "default";

	status = "okay";

	/* ignore DT warning */
	/delete-property/#address-cells;
	/delete-property/#size-cells;

	msiof1_snd: port {
		msiof1_snd_endpoint: endpoint {
			remote-endpoint = <&da7212_endpoint>;
		};
	};
};

/* Page 26 / 2230 Key M M.2 */
&pcie0_clkref {
	status = "disabled";
};

&pciec0 {
	clocks = <&cpg CPG_MOD 624>, <&pcie_clk 0>;
	reset-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&pciec0_rp {
	clocks = <&pcie_clk 1>;
	vpcie3v3-supply = <&reg_3p3v>;
};

/* Page 25 / PCIe to USB */
&pcie1_clkref {
	status = "disabled";
};

&pciec1 {
	clocks = <&cpg CPG_MOD 625>, <&pcie_clk 2>;
	/* uPD720201 is PCIe Gen2 x1 device */
	num-lanes = <1>;
	reset-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&pciec1_rp {
	clocks = <&pcie_clk 3>;
	vpcie3v3-supply = <&reg_3p3v>;
};

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

	/* Page 22 / Ether_AVB0 */
	avb0_pins: avb0 {
		mux {
			groups = "avb0_link", "avb0_mdio", "avb0_rgmii",
				 "avb0_txcrefclk";
			function = "avb0";
		};

		pins-mdio {
			groups = "avb0_mdio";
			drive-strength = <21>;
		};

		pins-mii {
			groups = "avb0_rgmii";
			drive-strength = <21>;
		};

	};

	/* Page 28 / CANFD_IF */
	can_clk_pins: can-clk {
		groups = "can_clk";
		function = "can_clk";
	};

	/* Page 28 / CANFD_IF */
	canfd3_pins: canfd3 {
		groups = "canfd3_data";
		function = "canfd3";
	};

	/* Page 28 / CANFD_IF */
	canfd4_pins: canfd4 {
		groups = "canfd4_data";
		function = "canfd4";
	};

	/* Page 23 / DEBUG */
	hscif0_pins: hscif0 {
		groups = "hscif0_data", "hscif0_ctrl";
		function = "hscif0";
	};

	/* Page 23 / DEBUG */
	hscif1_pins: hscif1 {
		groups = "hscif1_data_a", "hscif1_ctrl_a";
		function = "hscif1";
	};

	/* Page 24 / UART */
	hscif3_pins: hscif3 {
		groups = "hscif3_data_a";
		function = "hscif3";
	};

	/* Page 24 / I2C SWITCH */
	i2c0_pins: i2c0 {
		groups = "i2c0";
		function = "i2c0";
	};

	/* Page 29 / CSI_IF_CN / CAM_CN0 */
	i2c1_pins: i2c1 {
		groups = "i2c1";
		function = "i2c1";
	};

	/* Page 29 / CSI_IF_CN / CAM_CN1 */
	i2c2_pins: i2c2 {
		groups = "i2c2";
		function = "i2c2";
	};

	/* Page 31 / IO_CN */
	i2c3_pins: i2c3 {
		groups = "i2c3";
		function = "i2c3";
	};

	/* Page 31 / IO_CN */
	i2c4_pins: i2c4 {
		groups = "i2c4";
		function = "i2c4";
	};

	/* Page 18 / POWER_CORE */
	i2c5_pins: i2c5 {
		groups = "i2c5";
		function = "i2c5";
	};

	/* Page 27 / DSI to Display */
	irq0_pins: irq0 {
		groups = "intc_ex_irq0_a";
		function = "intc_ex";
	};

	/* Page 31 / FAN */
	irq4_pins: irq4 {
		groups = "intc_ex_irq4_b";
		function = "intc_ex";
	};

	/* Page 31 / FAN */
	pwm0_pins: pwm0 {
		groups = "pwm0";
		function = "pwm0";
	};

	/* Page 31 / CN7 pin 12 */
	pwm1_pins: pwm1 {
		groups = "pwm1_b";
		function = "pwm1";
	};

	/* Page 31 / CN7 pin 32 */
	pwm6_pins: pwm6 {
		groups = "pwm6";
		function = "pwm6";
	};

	/* Page 31 / CN7 pin 33 */
	pwm7_pins: pwm7 {
		groups = "pwm7";
		function = "pwm7";
	};

	/* Page 16 / QSPI_FLASH */
	qspi0_pins: qspi0 {
		groups = "qspi0_ctrl", "qspi0_data4";
		function = "qspi0";
		bootph-all;
	};

	/* Page 6 / SCIF_CLK_SOC_V */
	scif_clk_pins: scif-clk {
		groups = "scif_clk";
		function = "scif_clk";
	};

	/* Page 17 uSD-Slot */
	sd_pins: sd {
		groups = "mmc_data4", "mmc_ctrl";
		function = "mmc";
		power-source = <3300>;
	};

	/* Page 17 uSD-Slot */
	sd_uhs_pins: sd-uhs {
		groups = "mmc_data4", "mmc_ctrl";
		function = "mmc";
		power-source = <1800>;
	};

	/* Page 30 / Audio_Codec */
	msiof1_pins: sound {
		groups = "msiof1_clk", "msiof1_sync", "msiof1_txd", "msiof1_rxd";
		function = "msiof1";
	};

	/* Page 30 / Audio_Codec */
	sound_clk_pins: sound-clk {
		groups = "audio_clkin", "audio_clkout";
		function = "audio_clk";
	};
};

/* Page 31 / FAN */
&pwm0 {
	pinctrl-0 = <&pwm0_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/* Page 31 / CN7 pin 12 */
&pwm1 {
	pinctrl-0 = <&pwm1_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/* Page 31 / CN7 pin 32 */
&pwm6 {
	pinctrl-0 = <&pwm6_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/* Page 31 / CN7 pin 33 */
&pwm7 {
	pinctrl-0 = <&pwm7_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/* Page 30 / Audio_Codec */
&rcar_sound {
	pinctrl-0 = <&sound_clk_pins>;
	pinctrl-names = "default";

	/* It is used for ADG output as DA7212_MCLK */

	/* audio_clkout */
	clock-frequency = <12288000>; /* 48 kHz groups */

	status = "okay";
};

/* Page 16 / QSPI_FLASH */
&rpc {
	pinctrl-0 = <&qspi0_pins>;
	pinctrl-names = "default";
	bootph-all;

	status = "okay";

	flash@0 {
		compatible = "spansion,s25fs512s", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <40000000>;
		spi-rx-bus-width = <4>;
		spi-tx-bus-width = <4>;
		bootph-all;

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

			boot@0 {
				reg = <0x0 0x1000000>;
				read-only;
			};

			user@1000000 {
				reg = <0x1000000 0x2f80000>;
			};

			env1@3f80000 {
				reg = <0x3f80000 0x40000>;
			};

			env2@3fc0000 {
				reg = <0x3fc0000 0x40000>;
			};
		};
	};
};

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

/* Page 6 / SCIF_CLK_SOC_V */
&scif_clk {	/* X12 */
	clock-frequency = <24000000>;
};