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;
		serial1 = &scif1;
		ethernet0 = &avb;
	};

	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>;
	};

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

	reg_1p8v: regulator0 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: regulator1 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	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";

	avb_pins: avb {
		mux {
			groups = "avb_link", "avb_phy_int", "avb_mdc",
				 "avb_mii";
			function = "avb";
		};

		pins_mdc {
			groups = "avb_mdc";
			drive-strength = <24>;
		};

		pins_mii_tx {
			pins = "PIN_AVB_TX_CTL", "PIN_AVB_TXC", "PIN_AVB_TD0",
			       "PIN_AVB_TD1", "PIN_AVB_TD2", "PIN_AVB_TD3";
			drive-strength = <12>;
		};
	};

	scif1_pins: scif1 {
		groups = "scif1_data_a", "scif1_ctrl";
		function = "scif1";
	};

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

	i2c2_pins: i2c2 {
		groups = "i2c2_a";
		function = "i2c2";
	};

	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>;
	};

	sdhi2_pins: sd2 {
		groups = "sdhi2_data8", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <3300>;
	};

	sdhi2_pins_uhs: sd2_uhs {
		groups = "sdhi2_data8", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <1800>;
	};

	sdhi3_pins: sd3 {
		groups = "sdhi3_data4", "sdhi3_ctrl";
		function = "sdhi3";
		power-source = <3300>;
	};

	sdhi3_pins_uhs: sd3_uhs {
		groups = "sdhi3_data4", "sdhi3_ctrl";
		function = "sdhi3";
		power-source = <1800>;
	};
};

&avb {
	pinctrl-0 = <&avb_pins>;
	pinctrl-names = "default";
	renesas,no-ether-link;
	phy-handle = <&phy0>;
	status = "okay";

	phy0: ethernet-phy@0 {
		rxc-skew-ps = <1500>;
		reg = <0>;
		interrupt-parent = <&gpio2>;
		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
	};
};

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

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

&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>;
	wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
	bus-width = <4>;
	sd-uhs-sdr50;
	status = "okay";
};

&sdhi2 {
	/* used for on-board 8bit eMMC */
	pinctrl-0 = <&sdhi2_pins>;
	pinctrl-1 = <&sdhi2_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	bus-width = <8>;
	mmc-hs200-1_8v;
	non-removable;
	status = "okay";
};

&sdhi3 {
	pinctrl-0 = <&sdhi3_pins>;
	pinctrl-1 = <&sdhi3_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	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>;
	sd-uhs-sdr50;
	status = "okay";
};

&scif1 {
	pinctrl-0 = <&scif1_pins>;
	pinctrl-names = "default";

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

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

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

&i2c2 {
	pinctrl-0 = <&i2c2_pins>;
	pinctrl-names = "default";

	status = "okay";
};

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

&i2c_dvfs {
	status = "okay";
};