arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the Silicon Linux RZ/G2E 96board platform (CAT874)
 *
 * Copyright (C) 2019 Renesas Electronics Corp.
 */

/dts-v1/;
#include "r8a774c0.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Silicon Linux RZ/G2E 96board platform (CAT874)";
	compatible = "si-linux,cat874", "renesas,r8a774c0";

	aliases {
		serial0 = &scif2;
	};

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

	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x0 0x78000000>;
	};

	vcc_sdhi0: regulator-vcc-sdhi0 {
		compatible = "regulator-fixed";

		regulator-name = "SDHI0 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
	};

	vccq_sdhi0: regulator-vccq-sdhi0 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI0 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1
			  1800000 0>;
	};
};

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

&pcie_bus_clk {
	clock-frequency = <100000000>;
};

&pciec0 {
	/* Map all possible DDR as inbound ranges */
	dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
};

&pfc {
	scif2_pins: scif2 {
		groups = "scif2_data_a";
		function = "scif2";
	};

	sdhi0_pins: sd0 {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
		power-source = <3300>;
	};

	sdhi0_pins_uhs: sd0_uhs {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
		power-source = <1800>;
	};
};

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

	status = "okay";
};

&sdhi0 {
	pinctrl-0 = <&sdhi0_pins>;
	pinctrl-1 = <&sdhi0_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&vcc_sdhi0>;
	vqmmc-supply = <&vccq_sdhi0>;
	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
	bus-width = <4>;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	status = "okay";
};