2 * Copyright (c) 2015 Caesar Wang <wxt@rock-chips.com>
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
14 * This file is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
21 * b) Permission is hereby granted, free of charge, to any person
22 * obtaining a copy of this software and associated documentation
23 * files (the "Software"), to deal in the Software without
24 * restriction, including without limitation the rights to use,
25 * copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to permit persons to whom the
27 * Software is furnished to do so, subject to the following
30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial portions of the Software.
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
43 #include <dt-bindings/input/input.h>
44 #include <dt-bindings/pwm/pwm.h>
45 #include "rk3368.dtsi"
49 stdout-path = "serial2:115200n8";
53 device_type = "memory";
54 reg = <0x0 0x0 0x0 0x40000000>;
57 backlight: backlight {
58 compatible = "pwm-backlight";
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91 248 249 250 251 252 253 254 255>;
92 default-brightness-level = <128>;
93 enable-gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>;
94 pinctrl-names = "default";
96 pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
97 pwm-delay-us = <10000>;
100 emmc_pwrseq: emmc-pwrseq {
101 compatible = "mmc-pwrseq-emmc";
102 pinctrl-0 = <&emmc_reset>;
103 pinctrl-names = "default";
104 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>;
108 compatible = "gpio-keys";
109 pinctrl-names = "default";
110 pinctrl-0 = <&pwr_key>;
114 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
115 label = "GPIO Power";
116 linux,code = <KEY_POWER>;
120 /* supplies both host and otg */
121 vcc_host: vcc-host-regulator {
122 compatible = "regulator-fixed";
124 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
125 pinctrl-names = "default";
126 pinctrl-0 = <&host_vbus_drv>;
127 regulator-name = "vcc_host";
130 vin-supply = <&vcc_sys>;
133 vcc_lan: vcc-lan-regulator {
134 compatible = "regulator-fixed";
135 regulator-name = "vcc_lan";
136 regulator-min-microvolt = <3300000>;
137 regulator-max-microvolt = <3300000>;
140 vin-supply = <&vcc_io>;
143 vcc_sys: vcc-sys-regulator {
144 compatible = "regulator-fixed";
145 regulator-name = "vcc_sys";
146 regulator-min-microvolt = <5000000>;
147 regulator-max-microvolt = <5000000>;
157 mmc-pwrseq = <&emmc_pwrseq>;
159 pinctrl-names = "default";
160 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
165 phy-supply = <&vcc_lan>;
167 clock_in_out = "output";
168 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
169 snps,reset-active-low;
170 snps,reset-delays-us = <0 10000 1000000>;
171 pinctrl-names = "default";
172 pinctrl-0 = <&rmii_pins>;
183 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
185 drive-strength = <8>;
188 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
190 drive-strength = <8>;
195 rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
200 emmc_bus8: emmc-bus8 {
201 rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
202 <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
203 <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
204 <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
205 <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
206 <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
207 <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
208 <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
212 rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
216 rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
219 emmc_reset: emmc-reset {
220 rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
226 rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
232 rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
237 wifi_reg_on: wifi-reg-on {
238 rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
242 rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
247 host_vbus_drv: host-vbus-drv {
248 rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
258 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
259 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */