r8a7796-salvator-x.dts

/*
 * Device Tree Source for the Salvator-X board
 *
 * Copyright (C) 2016 Renesas Electronics Corp.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

/dts-v1/;
#include "r8a7796.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Renesas Salvator-X board based on r8a7796";
	compatible = "renesas,salvator-x", "renesas,r8a7796";

	aliases {
		serial0 = &scif2;
	};

	chosen {
		bootargs = "ignore_loglevel";
		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>;

		gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

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

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

		gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1
			  1800000 0>;
	};

	vcc_sdhi3: regulator-vcc-sdhi3 {
		compatible = "regulator-fixed";

		regulator-name = "SDHI3 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vccq_sdhi3: regulator-vccq-sdhi3 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI3 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1
			  1800000 0>;
	};

};

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

	scif2_pins: scif2 {
		groups = "scif2_data_a";
		function = "scif2";
	};
	scif_clk_pins: scif_clk {
		groups = "scif_clk_a";
		function = "scif_clk";
	};

	sdhi0_pins: sd0 {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
	};

	sdhi3_pins: sd3 {
		groups = "sdhi3_data4", "sdhi3_ctrl";
		function = "sdhi3";
	};
};

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

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

&sdhi0 {
	pinctrl-0 = <&sdhi0_pins>;
	pinctrl-names = "default";

	vmmc-supply = <&vcc_sdhi0>;
	vqmmc-supply = <&vccq_sdhi0>;
	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
	wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
	bus-width = <4>;
	status = "okay";
};

&sdhi3 {
	pinctrl-0 = <&sdhi3_pins>;
	pinctrl-names = "default";

	vmmc-supply = <&vcc_sdhi3>;
	vqmmc-supply = <&vccq_sdhi3>;
	cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
	wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
	bus-width = <4>;
	status = "okay";
};

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

&scif_clk {
	clock-frequency = <14745600>;
	status = "okay";
};

&wdt0 {
	timeout-sec = <60>;
	status = "okay";
};