tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
161ðmac {
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 = <ð_rgmii_pins>;
169 pinctrl-names = "default";
170
171 phy-mode = "rgmii";
172 phy-handle = <ð_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};