arch/arm/boot/dts/meson8b-odroidc1.dts

/*
 * 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;
	};

	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";
		};
	};

	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>;

		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>;

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

		states = <3300000 0
			  1800000 1>;
	};
};

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

&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";
	};
};

&usb1_phy {
	status = "okay";
};

&usb1 {
	status = "okay";
};

&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>;
	};
};

&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>;
		};
	};
};