1/*
2 * Copyright (c) 2015 Caesar Wang <wxt@rock-chips.com>
3 *
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
7 * whole.
8 *
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.
13 *
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.
18 *
19 * Or, alternatively,
20 *
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
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
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.
41 */
42
43#include <dt-bindings/input/input.h>
44#include <dt-bindings/pwm/pwm.h>
45#include "rk3368.dtsi"
46
47/ {
48	chosen {
49		stdout-path = "serial2:115200n8";
50	};
51
52	memory {
53		device_type = "memory";
54		reg = <0x0 0x0 0x0 0x40000000>;
55	};
56
57	backlight: backlight {
58		compatible = "pwm-backlight";
59		brightness-levels = <
60			  0   1   2   3   4   5   6   7
61			  8   9  10  11  12  13  14  15
62			 16  17  18  19  20  21  22  23
63			 24  25  26  27  28  29  30  31
64			 32  33  34  35  36  37  38  39
65			 40  41  42  43  44  45  46  47
66			 48  49  50  51  52  53  54  55
67			 56  57  58  59  60  61  62  63
68			 64  65  66  67  68  69  70  71
69			 72  73  74  75  76  77  78  79
70			 80  81  82  83  84  85  86  87
71			 88  89  90  91  92  93  94  95
72			 96  97  98  99 100 101 102 103
73			104 105 106 107 108 109 110 111
74			112 113 114 115 116 117 118 119
75			120 121 122 123 124 125 126 127
76			128 129 130 131 132 133 134 135
77			136 137 138 139 140 141 142 143
78			144 145 146 147 148 149 150 151
79			152 153 154 155 156 157 158 159
80			160 161 162 163 164 165 166 167
81			168 169 170 171 172 173 174 175
82			176 177 178 179 180 181 182 183
83			184 185 186 187 188 189 190 191
84			192 193 194 195 196 197 198 199
85			200 201 202 203 204 205 206 207
86			208 209 210 211 212 213 214 215
87			216 217 218 219 220 221 222 223
88			224 225 226 227 228 229 230 231
89			232 233 234 235 236 237 238 239
90			240 241 242 243 244 245 246 247
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";
95		pinctrl-0 = <&bl_en>;
96		pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
97		pwm-delay-us = <10000>;
98	};
99
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>;
105	};
106
107	keys: gpio-keys {
108		compatible = "gpio-keys";
109		pinctrl-names = "default";
110		pinctrl-0 = <&pwr_key>;
111
112		power {
113			wakeup-source;
114			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
115			label = "GPIO Power";
116			linux,code = <KEY_POWER>;
117		};
118	};
119
120	/* supplies both host and otg */
121	vcc_host: vcc-host-regulator {
122		compatible = "regulator-fixed";
123		enable-active-high;
124		gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
125		pinctrl-names = "default";
126		pinctrl-0 = <&host_vbus_drv>;
127		regulator-name = "vcc_host";
128		regulator-always-on;
129		regulator-boot-on;
130		vin-supply = <&vcc_sys>;
131	};
132
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>;
138		regulator-always-on;
139		regulator-boot-on;
140		vin-supply = <&vcc_io>;
141	};
142
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>;
148		regulator-always-on;
149		regulator-boot-on;
150	};
151};
152
153&emmc {
154	bus-width = <8>;
155	cap-mmc-highspeed;
156	disable-wp;
157	mmc-pwrseq = <&emmc_pwrseq>;
158	non-removable;
159	pinctrl-names = "default";
160	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
161	status = "okay";
162};
163
164&gmac {
165	phy-supply = <&vcc_lan>;
166	phy-mode = "rmii";
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>;
173	tx_delay = <0x30>;
174	rx_delay = <0x10>;
175	status = "ok";
176};
177
178&i2c0 {
179	status = "okay";
180};
181
182&pinctrl {
183	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
184		bias-disable;
185		drive-strength = <8>;
186	};
187
188	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
189		bias-pull-up;
190		drive-strength = <8>;
191	};
192
193	backlight {
194		bl_en: bl-en {
195			rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
196		};
197	};
198
199	emmc {
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>;
209		};
210
211		emmc-clk {
212			rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
213		};
214
215		emmc-cmd {
216			rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
217		};
218
219		emmc_reset: emmc-reset {
220			rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
221		};
222	};
223
224	keys {
225		pwr_key: pwr-key {
226			rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
227		};
228	};
229
230	pmic {
231		pmic_int: pmic-int {
232			rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
233		};
234	};
235
236	sdio {
237		wifi_reg_on: wifi-reg-on {
238			rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
239		};
240
241		bt_rst: bt-rst {
242			rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
243		};
244	};
245
246	usb {
247		host_vbus_drv: host-vbus-drv {
248			rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
249		};
250	};
251};
252
253&pwm0 {
254	status = "okay";
255};
256
257&tsadc {
258	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
259	rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
260	status = "okay";
261};
262
263&uart2 {
264	status = "okay";
265};
266
267&usb_host0_ehci {
268	status = "okay";
269};
270
271&usb_otg {
272	dr_mode = "host";
273	status = "okay";
274};
275
276&wdt {
277	status = "okay";
278};
279