arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the Falcon CPU board
 *
 * Copyright (C) 2020 Renesas Electronics Corp.
 */

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

#include "r8a779a0.dtsi"

/ {
	model = "Renesas Falcon CPU board";
	compatible = "renesas,falcon-cpu", "renesas,r8a779a0";

	aliases {
		serial0 = &scif0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	keys {
		compatible = "gpio-keys";

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

		key-1 {
			gpios = <&gpio6 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_1>;
			label = "SW47";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-2 {
			gpios = <&gpio6 19 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_2>;
			label = "SW48";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-3 {
			gpios = <&gpio6 20 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_3>;
			label = "SW49";
			wakeup-source;
			debounce-interval = <20>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-1 {
			gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			function-enumerator = <1>;
		};
		led-2 {
			gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;
			function-enumerator = <2>;
		};
		led-3 {
			gpios = <&gpio4 20 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@500000000 {
		device_type = "memory";
		reg = <0x5 0x00000000 0x0 0x80000000>;
	};

	memory@600000000 {
		device_type = "memory";
		reg = <0x6 0x00000000 0x0 0x80000000>;
	};

	memory@700000000 {
		device_type = "memory";
		reg = <0x7 0x00000000 0x0 0x80000000>;
	};

	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;
	};
};

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

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

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

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

	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>;
};

&i2c6 {
	pinctrl-0 = <&i2c6_pins>;
	pinctrl-names = "default";

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

&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";

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

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

	i2c6_pins: i2c6 {
		groups = "i2c6";
		function = "i2c6";
	};

	keys_pins: keys {
		pins = "GP_6_18", "GP_6_19", "GP_6_20";
		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";
	};

	scif0_pins: scif0 {
		groups = "scif0_data", "scif0_ctrl";
		function = "scif0";
	};

	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 0xcc0000>;
				read-only;
			};
			user@cc0000 {
				reg = <0xcc0000 0x3340000>;
			};
		};
	};
};

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

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

	uart-has-rtscts;
	status = "okay";
};

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