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path: root/arch/arm/boot/dts/meson8b-odroidc1.dts
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/*
 * Copyright 2015 Endless Mobile, Inc.
 * Author: Carlo Caione <carlo@endlessm.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This library is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This library is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "meson8b.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Hardkernel ODROID-C1";
	compatible = "hardkernel,odroid-c1", "amlogic,meson8b";

	aliases {
		serial0 = &uart_AO;
		mmc0 = &sd_card_slot;
	};

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

	memory {
		reg = <0x40000000 0x40000000>;
	};

	leds {
		compatible = "gpio-leds";
		blue {
			label = "c1:blue:alive";
			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
			default-state = "off";
		};
	};

	p5v0: regulator-p5v0 {
		compatible = "regulator-fixed";

		regulator-name = "P5V0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	tflash_vdd: regulator-tflash_vdd {
		/*
		 * signal name from schematics: TFLASH_VDD_EN
		 */
		compatible = "regulator-fixed";

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

		vin-supply = <&vcc_3v3>;

		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	tf_io: gpio-regulator-tf_io {
		compatible = "regulator-gpio";

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

		vin-supply = <&vcc_3v3>;

		/*
		 * signal name from schematics: TF_3V3N_1V8_EN
		 */
		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;

		states = <3300000 0
			  1800000 1>;
	};

	vcc_1v8: regulator-vcc-1v8 {
		/*
		 * RICHTEK RT9179 configured for a fixed output voltage of
		 * 1.8V. This supplies not only VCC1V8 but also IOREF_1V8 and
		 * VDD1V8 according to the schematics.
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;

		vin-supply = <&p5v0>;
	};

	vcc_3v3: regulator-vcc-3v3 {
		/*
		 * Monolithic Power Systems MP2161 configured for a fixed
		 * output voltage of 3.3V. This supplies not only VCC3V3 but
		 * also VDD3V3 and VDDIO_AO3V3 according to the schematics.
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		vin-supply = <&p5v0>;
	};

	vcck: regulator-vcck {
		/* Monolithic Power Systems MP2161 */
		compatible = "pwm-regulator";

		regulator-name = "VCCK";
		regulator-min-microvolt = <860000>;
		regulator-max-microvolt = <1140000>;

		vin-supply = <&p5v0>;

		pwms = <&pwm_cd 0 12218 0>;
		pwm-dutycycle-range = <91 0>;

		regulator-boot-on;
		regulator-always-on;
	};

	vddc_ddr: regulator-vddc-ddr {
		/*
		 * Monolithic Power Systems MP2161 configured for a fixed
		 * output voltage of 1.5V. This supplies not only DDR_VDDC but
		 * also DDR3_1V5 according to the schematics.
		 */
		compatible = "regulator-fixed";

		regulator-name = "DDR_VDDC";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;

		vin-supply = <&p5v0>;
	};

	vdd_rtc: regulator-vdd-rtc {
		/*
		 * Torex Semiconductor XC6215 configured for a fixed output of
		 * 0.9V.
		 */
		compatible = "regulator-fixed";

		regulator-name = "VDD_RTC";
		regulator-min-microvolt = <900000>;
		regulator-max-microvolt = <900000>;

		vin-supply = <&vcc_3v3>;
	};
};

&cpu0 {
	cpu-supply = <&vcck>;
};

&ethmac {
	status = "okay";

	snps,reset-gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
	snps,reset-active-low;
	snps,reset-delays-us = <0 10000 30000>;

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

	phy-mode = "rgmii";
	phy-handle = <&eth_phy>;
	amlogic,tx-delay-ns = <4>;

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		/* Realtek RTL8211F (0x001cc916) */
		eth_phy: ethernet-phy@0 {
			reg = <0>;
			eee-broken-1000t;
			interrupt-parent = <&gpio_intc>;
			/* GPIOH_3 */
			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&gpio_ao {
	/*
	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
	 * to be turned high in order to be detected by the USB Controller.
	 * This signal should be handled by a USB specific power sequence
	 * in order to reset the Hub when USB bus is powered down.
	 */
	usb-hub {
		gpio-hog;
		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "usb-hub-reset";
	};
};

&ir_receiver {
	status = "okay";
	pinctrl-0 = <&ir_recv_pins>;
	pinctrl-names = "default";
};

&saradc {
	status = "okay";
	vref-supply = <&vcc_1v8>;
};

&sdio {
	status = "okay";

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

	/* SD card */
	sd_card_slot: slot@1 {
		compatible = "mmc-slot";
		reg = <1>;
		status = "okay";

		bus-width = <4>;
		no-sdio;
		cap-mmc-highspeed;
		cap-sd-highspeed;
		disable-wp;

		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
		cd-inverted;

		vmmc-supply = <&tflash_vdd>;
		vqmmc-supply = <&tf_io>;
	};
};

&pwm_cd {
	status = "okay";
	pinctrl-0 = <&pwm_c1_pins>;
	pinctrl-names = "default";
	clocks = <&clkc CLKID_XTAL>;
	clock-names = "clkin0";
};

&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

&usb1_phy {
	status = "okay";
};

&usb1 {
	status = "okay";
};