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/pwm/pwm.h>
44#include "rk3368.dtsi"
45
46/ {
47	chosen {
48		stdout-path = "serial2:115200n8";
49	};
50
51	memory {
52		device_type = "memory";
53		reg = <0x0 0x0 0x0 0x40000000>;
54	};
55
56	backlight: backlight {
57		compatible = "pwm-backlight";
58		brightness-levels = <
59			  0   1   2   3   4   5   6   7
60			  8   9  10  11  12  13  14  15
61			 16  17  18  19  20  21  22  23
62			 24  25  26  27  28  29  30  31
63			 32  33  34  35  36  37  38  39
64			 40  41  42  43  44  45  46  47
65			 48  49  50  51  52  53  54  55
66			 56  57  58  59  60  61  62  63
67			 64  65  66  67  68  69  70  71
68			 72  73  74  75  76  77  78  79
69			 80  81  82  83  84  85  86  87
70			 88  89  90  91  92  93  94  95
71			 96  97  98  99 100 101 102 103
72			104 105 106 107 108 109 110 111
73			112 113 114 115 116 117 118 119
74			120 121 122 123 124 125 126 127
75			128 129 130 131 132 133 134 135
76			136 137 138 139 140 141 142 143
77			144 145 146 147 148 149 150 151
78			152 153 154 155 156 157 158 159
79			160 161 162 163 164 165 166 167
80			168 169 170 171 172 173 174 175
81			176 177 178 179 180 181 182 183
82			184 185 186 187 188 189 190 191
83			192 193 194 195 196 197 198 199
84			200 201 202 203 204 205 206 207
85			208 209 210 211 212 213 214 215
86			216 217 218 219 220 221 222 223
87			224 225 226 227 228 229 230 231
88			232 233 234 235 236 237 238 239
89			240 241 242 243 244 245 246 247
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";
94		pinctrl-0 = <&bl_en>;
95		pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
96		pwm-delay-us = <10000>;
97	};
98
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>;
104	};
105
106	keys: gpio-keys {
107		compatible = "gpio-keys";
108		#address-cells = <1>;
109		#size-cells = <0>;
110		pinctrl-names = "default";
111		pinctrl-0 = <&pwr_key>;
112
113		button@0 {
114			wakeup-source;
115			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
116			label = "GPIO Power";
117			linux,code = <116>;
118		};
119	};
120
121	/* supplies both host and otg */
122	vcc_host: vcc-host-regulator {
123		compatible = "regulator-fixed";
124		enable-active-high;
125		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
126		pinctrl-names = "default";
127		pinctrl-0 = <&host_vbus_drv>;
128		regulator-name = "vcc_host";
129		regulator-always-on;
130		regulator-boot-on;
131		vin-supply = <&vcc_sys>;
132	};
133
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>;
139		regulator-always-on;
140		regulator-boot-on;
141		vin-supply = <&vcc_io>;
142	};
143
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>;
149		regulator-always-on;
150		regulator-boot-on;
151	};
152};
153
154&emmc {
155	broken-cd;
156	bus-width = <8>;
157	cap-mmc-highspeed;
158	disable-wp;
159	mmc-pwrseq = <&emmc_pwrseq>;
160	non-removable;
161	num-slots = <1>;
162	pinctrl-names = "default";
163	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
164	status = "okay";
165};
166
167&gmac {
168	phy-supply = <&vcc_lan>;
169	phy-mode = "rmii";
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>;
176	tx_delay = <0x30>;
177	rx_delay = <0x10>;
178	status = "ok";
179};
180
181&i2c0 {
182	status = "okay";
183};
184
185&pinctrl {
186	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
187		bias-disable;
188		drive-strength = <8>;
189	};
190
191	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
192		bias-pull-up;
193		drive-strength = <8>;
194	};
195
196	backlight {
197		bl_en: bl-en {
198			rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
199		};
200	};
201
202	emmc {
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>;
212		};
213
214		emmc-clk {
215			rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
216		};
217
218		emmc-cmd {
219			rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
220		};
221
222		emmc_reset: emmc-reset {
223			rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
224		};
225	};
226
227	keys {
228		pwr_key: pwr-key {
229			rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
230		};
231	};
232
233	pmic {
234		pmic_int: pmic-int {
235			rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
236		};
237	};
238
239	sdio {
240		wifi_reg_on: wifi-reg-on {
241			rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
242		};
243
244		bt_rst: bt-rst {
245			rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
246		};
247	};
248
249	usb {
250		host_vbus_drv: host-vbus-drv {
251			rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
252		};
253	};
254};
255
256&pwm0 {
257	status = "okay";
258};
259
260&tsadc {
261	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
262	rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
263	status = "okay";
264};
265
266&uart2 {
267	status = "okay";
268};
269
270&usb_host0_ehci {
271	status = "okay";
272};
273
274&usb_otg {
275	dr_mode = "host";
276	status = "okay";
277};
278
279&wdt {
280	status = "okay";
281};
282