xref: /openbmc/linux/scripts/dtc/include-prefixes/arm64/renesas/r8a779a0-falcon-cpu.dtsi (revision 405daa39)

// 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 "r8a779a0.dtsi"

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

	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;
	};
};

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

	phy0: ethernet-phy@0 {
		rxc-skew-ps = <1500>;
		reg = <0>;
		interrupt-parent = <&gpio4>;
		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
		reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
	};
};

&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";

	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>;
		};

	};

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

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

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

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

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

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

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

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

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