1/*
  2 * Copyright 2015 Endless Mobile, Inc.
  3 * Author: Carlo Caione <carlo@endlessm.com>
  4 *
  5 * This file is dual-licensed: you can use it either under the terms
  6 * of the GPL or the X11 license, at your option. Note that this dual
  7 * licensing only applies to this file, and not this project as a
  8 * whole.
  9 *
 10 *  a) This library is free software; you can redistribute it and/or
 11 *     modify it under the terms of the GNU General Public License as
 12 *     published by the Free Software Foundation; either version 2 of the
 13 *     License, or (at your option) any later version.
 14 *
 15 *     This library is distributed in the hope that it will be useful,
 16 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 17 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18 *     GNU General Public License for more details.
 19 *
 20 *     You should have received a copy of the GNU General Public License
 21 *     along with this program. If not, see <http://www.gnu.org/licenses/>.
 22 *
 23 * Or, alternatively,
 24 *
 25 *  b) Permission is hereby granted, free of charge, to any person
 26 *     obtaining a copy of this software and associated documentation
 27 *     files (the "Software"), to deal in the Software without
 28 *     restriction, including without limitation the rights to use,
 29 *     copy, modify, merge, publish, distribute, sublicense, and/or
 30 *     sell copies of the Software, and to permit persons to whom the
 31 *     Software is furnished to do so, subject to the following
 32 *     conditions:
 33 *
 34 *     The above copyright notice and this permission notice shall be
 35 *     included in all copies or substantial portions of the Software.
 36 *
 37 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 38 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 39 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 40 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 41 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 42 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 43 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 44 *     OTHER DEALINGS IN THE SOFTWARE.
 45 */
 46
 47/dts-v1/;
 48#include "meson8b.dtsi"
 49#include <dt-bindings/gpio/gpio.h>
 50
 51/ {
 52	model = "Hardkernel ODROID-C1";
 53	compatible = "hardkernel,odroid-c1", "amlogic,meson8b";
 54
 55	aliases {
 56		serial0 = &uart_AO;
 57		mmc0 = &sd_card_slot;
 58	};
 59
 60	memory {
 61		reg = <0x40000000 0x40000000>;
 62	};
 63
 64	leds {
 65		compatible = "gpio-leds";
 66		blue {
 67			label = "c1:blue:alive";
 68			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
 69			linux,default-trigger = "heartbeat";
 70			default-state = "off";
 71		};
 72	};
 73
 74	tflash_vdd: regulator-tflash_vdd {
 75		/*
 76		 * signal name from schematics: TFLASH_VDD_EN
 77		 */
 78		compatible = "regulator-fixed";
 79
 80		regulator-name = "TFLASH_VDD";
 81		regulator-min-microvolt = <3300000>;
 82		regulator-max-microvolt = <3300000>;
 83
 84		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
 85		enable-active-high;
 86	};
 87
 88	tf_io: gpio-regulator-tf_io {
 89		compatible = "regulator-gpio";
 90
 91		regulator-name = "TF_IO";
 92		regulator-min-microvolt = <1800000>;
 93		regulator-max-microvolt = <3300000>;
 94
 95		/*
 96		 * signal name from schematics: TF_3V3N_1V8_EN
 97		 */
 98		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
 99		gpios-states = <0>;
100
101		states = <3300000 0
102			  1800000 1>;
103	};
104};
105
106&uart_AO {
107	status = "okay";
108	pinctrl-0 = <&uart_ao_a_pins>;
109	pinctrl-names = "default";
110};
111
112&gpio_ao {
113	/*
114	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
115	 * to be turned high in order to be detected by the USB Controller.
116	 * This signal should be handled by a USB specific power sequence
117	 * in order to reset the Hub when USB bus is powered down.
118	 */
119	usb-hub {
120		gpio-hog;
121		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
122		output-high;
123		line-name = "usb-hub-reset";
124	};
125};
126
127&usb1_phy {
128	status = "okay";
129};
130
131&usb1 {
132	status = "okay";
133};
134
135&sdio {
136	status = "okay";
137
138	pinctrl-0 = <&sd_b_pins>;
139	pinctrl-names = "default";
140
141	/* SD card */
142	sd_card_slot: slot@1 {
143		compatible = "mmc-slot";
144		reg = <1>;
145		status = "okay";
146
147		bus-width = <4>;
148		no-sdio;
149		cap-mmc-highspeed;
150		cap-sd-highspeed;
151		disable-wp;
152
153		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
154		cd-inverted;
155
156		vmmc-supply = <&tflash_vdd>;
157		vqmmc-supply = <&tf_io>;
158	};
159};
160
161&ethmac {
162	status = "okay";
163
164	snps,reset-gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
165	snps,reset-active-low;
166	snps,reset-delays-us = <0 10000 30000>;
167
168	pinctrl-0 = <&eth_rgmii_pins>;
169	pinctrl-names = "default";
170
171	phy-mode = "rgmii";
172	phy-handle = <&eth_phy>;
173	amlogic,tx-delay-ns = <4>;
174
175	mdio {
176		compatible = "snps,dwmac-mdio";
177		#address-cells = <1>;
178		#size-cells = <0>;
179
180		/* Realtek RTL8211F (0x001cc916) */
181		eth_phy: ethernet-phy@0 {
182			reg = <0>;
183			eee-broken-1000t;
184			interrupt-parent = <&gpio_intc>;
185			/* GPIOH_3 */
186			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
187		};
188	};
189};