xref: /linux/arch/arm64/boot/dts/rockchip/rk3368-evb.dtsi (revision c411ed854584a71b0e86ac3019b60e4789d88086)
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	num-slots = <1>;
160	pinctrl-names = "default";
161	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
162	status = "okay";
163};
164
165&gmac {
166	phy-supply = <&vcc_lan>;
167	phy-mode = "rmii";
168	clock_in_out = "output";
169	snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
170	snps,reset-active-low;
171	snps,reset-delays-us = <0 10000 1000000>;
172	pinctrl-names = "default";
173	pinctrl-0 = <&rmii_pins>;
174	tx_delay = <0x30>;
175	rx_delay = <0x10>;
176	status = "ok";
177};
178
179&i2c0 {
180	status = "okay";
181};
182
183&pinctrl {
184	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
185		bias-disable;
186		drive-strength = <8>;
187	};
188
189	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
190		bias-pull-up;
191		drive-strength = <8>;
192	};
193
194	backlight {
195		bl_en: bl-en {
196			rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
197		};
198	};
199
200	emmc {
201		emmc_bus8: emmc-bus8 {
202			rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
203					<1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
204					<1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
205					<1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
206					<1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
207					<1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
208					<1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
209					<1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
210		};
211
212		emmc-clk {
213			rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
214		};
215
216		emmc-cmd {
217			rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
218		};
219
220		emmc_reset: emmc-reset {
221			rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
222		};
223	};
224
225	keys {
226		pwr_key: pwr-key {
227			rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
228		};
229	};
230
231	pmic {
232		pmic_int: pmic-int {
233			rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
234		};
235	};
236
237	sdio {
238		wifi_reg_on: wifi-reg-on {
239			rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
240		};
241
242		bt_rst: bt-rst {
243			rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
244		};
245	};
246
247	usb {
248		host_vbus_drv: host-vbus-drv {
249			rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
250		};
251	};
252};
253
254&pwm0 {
255	status = "okay";
256};
257
258&tsadc {
259	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
260	rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
261	status = "okay";
262};
263
264&uart2 {
265	status = "okay";
266};
267
268&usb_host0_ehci {
269	status = "okay";
270};
271
272&usb_otg {
273	dr_mode = "host";
274	status = "okay";
275};
276
277&wdt {
278	status = "okay";
279};
280