xref: /kernel/linux/linux-6.6/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
 * Device Tree Source for the White Hawk CPU board
 *
 * Copyright (C) 2022 Renesas Electronics Corp.
 */

#include "r8a779g0.dtsi"

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

/ {
	model = "Renesas White Hawk CPU board";
	compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0";

	aliases {
		ethernet0 = &avb0;
		serial0 = &hscif0;
	};

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

	keys {
		compatible = "gpio-keys";

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

		key-1 {
			gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_1>;
			label = "SW47";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-2 {
			gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_2>;
			label = "SW48";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-3 {
			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_3>;
			label = "SW49";
			wakeup-source;
			debounce-interval = <20>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-1 {
			gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			function-enumerator = <1>;
		};

		led-2 {
			gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			function-enumerator = <2>;
		};

		led-3 {
			gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			function-enumerator = <3>;
		};
	};

	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>;
	};

	mini-dp-con {
		compatible = "dp-connector";
		label = "CN5";
		type = "mini";

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

	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;
	};

	sn65dsi86_refclk: clk-x6 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <38400000>;
	};
};

&avb0 {
	pinctrl-0 = <&avb0_pins>;
	pinctrl-names = "default";
	phy-handle = <&phy0>;
	tx-internal-delay-ps = <2000>;
	status = "okay";

	phy0: ethernet-phy@0 {
		compatible = "ethernet-phy-id0022.1622",
			     "ethernet-phy-ieee802.3-c22";
		rxc-skew-ps = <1500>;
		reg = <0>;
		interrupt-parent = <&gpio7>;
		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
		reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
	};
};

&dsi0 {
	status = "okay";

	ports {
		port@1 {
			dsi0_out: endpoint {
				remote-endpoint = <&sn65dsi86_in>;
				data-lanes = <1 2 3 4>;
			};
		};
	};
};

&du {
	status = "okay";
};

&extal_clk {
	clock-frequency = <16666666>;
};

&extalr_clk {
	clock-frequency = <32768>;
};

&hscif0 {
	pinctrl-0 = <&hscif0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

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

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

	io_expander_a: gpio@20 {
		compatible = "onnn,pca9654";
		reg = <0x20>;
		interrupt-parent = <&gpio0>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-controller;
		#interrupt-cells = <2>;
	};

	eeprom@50 {
		compatible = "rohm,br24g01", "atmel,24c01";
		label = "cpu-board";
		reg = <0x50>;
		pagesize = <8>;
	};
};

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

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

	bridge@2c {
		compatible = "ti,sn65dsi86";
		reg = <0x2c>;

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

		interrupt-parent = <&intc_ex>;
		interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;

		enable-gpios = <&gpio1 26 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 = <&dsi0_out>;
				};
			};

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

&mmc0 {
	pinctrl-0 = <&mmc_pins>;
	pinctrl-1 = <&mmc_pins>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	mmc-hs200-1_8v;
	mmc-hs400-1_8v;
	bus-width = <8>;
	no-sd;
	no-sdio;
	non-removable;
	full-pwr-cycle-in-suspend;
	status = "okay";
};

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

	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>;
		};

	};
	hscif0_pins: hscif0 {
		groups = "hscif0_data";
		function = "hscif0";
	};

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

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

	keys_pins: keys {
		pins = "GP_5_0", "GP_5_1", "GP_5_2";
		bias-pull-up;
	};

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

	qspi0_pins: qspi0 {
		groups = "qspi0_ctrl", "qspi0_data4";
		function = "qspi0";
	};

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

&rpc {
	pinctrl-0 = <&qspi0_pins>;
	pinctrl-names = "default";

	status = "okay";

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

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

			boot@0 {
				reg = <0x0 0x1200000>;
				read-only;
			};
			user@1200000 {
				reg = <0x1200000 0x2e00000>;
			};
		};
	};
};

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

&scif_clk {
	clock-frequency = <24000000>;
};