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/pwm/pwm.h>
44 #include "rk3368.dtsi"
48 stdout-path = "serial2:115200n8";
52 device_type = "memory";
53 reg = <0x0 0x0 0x0 0x40000000>;
56 backlight: backlight {
57 compatible = "pwm-backlight";
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90 248 249 250 251 252 253 254 255>;
91 default-brightness-level = <128>;
92 enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
93 pinctrl-names = "default";
95 pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
96 pwm-delay-us = <10000>;
99 emmc_pwrseq: emmc-pwrseq {
100 compatible = "mmc-pwrseq-emmc";
101 pinctrl-0 = <&emmc_reset>;
102 pinctrl-names = "default";
103 reset-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
107 compatible = "gpio-keys";
108 #address-cells = <1>;
110 pinctrl-names = "default";
111 pinctrl-0 = <&pwr_key>;
114 gpio-key,wakeup = <1>;
115 gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
116 label = "GPIO Power";
121 /* supplies both host and otg */
122 vcc_host: vcc-host-regulator {
123 compatible = "regulator-fixed";
125 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
126 pinctrl-names = "default";
127 pinctrl-0 = <&host_vbus_drv>;
128 regulator-name = "vcc_host";
131 vin-supply = <&vcc_sys>;
134 vcc_lan: vcc-lan-regulator {
135 compatible = "regulator-fixed";
136 regulator-name = "vcc_lan";
137 regulator-min-microvolt = <3300000>;
138 regulator-max-microvolt = <3300000>;
141 vin-supply = <&vcc_io>;
144 vcc_sys: vcc-sys-regulator {
145 compatible = "regulator-fixed";
146 regulator-name = "vcc_sys";
147 regulator-min-microvolt = <5000000>;
148 regulator-max-microvolt = <5000000>;
159 mmc-pwrseq = <&emmc_pwrseq>;
162 pinctrl-names = "default";
163 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
168 phy-supply = <&vcc_lan>;
170 clock_in_out = "output";
171 snps,reset-gpio = <&gpio3 12 0>;
172 snps,reset-active-low;
173 snps,reset-delays-us = <0 10000 1000000>;
174 pinctrl-names = "default";
175 pinctrl-0 = <&rmii_pins>;
186 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
188 drive-strength = <8>;
191 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
193 drive-strength = <8>;
198 rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
203 emmc_bus8: emmc-bus8 {
204 rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
205 <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
206 <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
207 <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
208 <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
209 <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
210 <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
211 <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
215 rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
219 rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
222 emmc_reset: emmc-reset {
223 rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
229 rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
235 rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
240 wifi_reg_on: wifi-reg-on {
241 rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
245 rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
250 host_vbus_drv: host-vbus-drv {
251 rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
261 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
262 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */