1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) <<
2 /* 1 /*
3 * Copyright (c) 2015 Heiko Stuebner <heiko@snt 2 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
>> 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.
4 */ 41 */
5 42
6 /dts-v1/; 43 /dts-v1/;
7 #include "rk3368.dtsi" 44 #include "rk3368.dtsi"
8 #include <dt-bindings/input/input.h> 45 #include <dt-bindings/input/input.h>
9 46
10 / { 47 / {
11 model = "Rockchip R88"; 48 model = "Rockchip R88";
12 compatible = "rockchip,r88", "rockchip 49 compatible = "rockchip,r88", "rockchip,rk3368";
13 50
14 aliases { <<
15 ethernet0 = &gmac; <<
16 mmc0 = &sdio0; <<
17 mmc1 = &emmc; <<
18 }; <<
19 <<
20 chosen { 51 chosen {
21 stdout-path = "serial2:115200n 52 stdout-path = "serial2:115200n8";
22 }; 53 };
23 54
24 memory@0 { !! 55 memory {
25 device_type = "memory"; 56 device_type = "memory";
26 reg = <0x0 0x0 0x0 0x40000000> 57 reg = <0x0 0x0 0x0 0x40000000>;
27 }; 58 };
28 59
29 emmc_pwrseq: emmc-pwrseq { 60 emmc_pwrseq: emmc-pwrseq {
30 compatible = "mmc-pwrseq-emmc" 61 compatible = "mmc-pwrseq-emmc";
31 pinctrl-0 = <&emmc_reset>; 62 pinctrl-0 = <&emmc_reset>;
32 pinctrl-names = "default"; 63 pinctrl-names = "default";
33 reset-gpios = <&gpio2 RK_PA3 G 64 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>;
34 }; 65 };
35 66
36 keys: gpio-keys { 67 keys: gpio-keys {
37 compatible = "gpio-keys"; 68 compatible = "gpio-keys";
38 pinctrl-names = "default"; 69 pinctrl-names = "default";
39 pinctrl-0 = <&pwr_key>; 70 pinctrl-0 = <&pwr_key>;
40 71
41 key-power { !! 72 power {
42 wakeup-source; 73 wakeup-source;
43 gpios = <&gpio0 RK_PA2 74 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
44 label = "GPIO Power"; 75 label = "GPIO Power";
45 linux,code = <KEY_POWE 76 linux,code = <KEY_POWER>;
46 }; 77 };
47 }; 78 };
48 79
49 leds: gpio-leds { 80 leds: gpio-leds {
50 compatible = "gpio-leds"; 81 compatible = "gpio-leds";
51 82
52 work_led: led-0 { !! 83 work {
53 gpios = <&gpio3 RK_PD5 84 gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
54 label = "r88:green:led 85 label = "r88:green:led";
55 pinctrl-names = "defau 86 pinctrl-names = "default";
56 pinctrl-0 = <&led_ctl> 87 pinctrl-0 = <&led_ctl>;
57 }; 88 };
58 }; 89 };
59 90
60 ir: ir-receiver { 91 ir: ir-receiver {
61 compatible = "gpio-ir-receiver 92 compatible = "gpio-ir-receiver";
62 gpios = <&gpio3 RK_PD6 GPIO_AC 93 gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>;
63 pinctrl-names = "default"; 94 pinctrl-names = "default";
64 pinctrl-0 = <&ir_int>; 95 pinctrl-0 = <&ir_int>;
65 }; 96 };
66 97
67 sdio_pwrseq: sdio-pwrseq { 98 sdio_pwrseq: sdio-pwrseq {
68 compatible = "mmc-pwrseq-simpl 99 compatible = "mmc-pwrseq-simple";
69 clocks = <&hym8563>; 100 clocks = <&hym8563>;
70 clock-names = "ext_clock"; 101 clock-names = "ext_clock";
71 pinctrl-names = "default"; 102 pinctrl-names = "default";
72 pinctrl-0 = <&bt_rst>, <&wifi_ 103 pinctrl-0 = <&bt_rst>, <&wifi_reg_on>;
73 104
74 reset-gpios = 105 reset-gpios =
75 /* BT_RST_N */ 106 /* BT_RST_N */
76 <&gpio3 RK_PA5 GPIO_AC 107 <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>,
77 108
78 /* WL_REG_ON */ 109 /* WL_REG_ON */
79 <&gpio3 RK_PA4 GPIO_AC 110 <&gpio3 RK_PA4 GPIO_ACTIVE_LOW>;
80 }; 111 };
81 112
82 vcc_18: vcc18-regulator { 113 vcc_18: vcc18-regulator {
83 compatible = "regulator-fixed" 114 compatible = "regulator-fixed";
84 regulator-name = "vcc_18"; 115 regulator-name = "vcc_18";
85 regulator-min-microvolt = <180 116 regulator-min-microvolt = <1800000>;
86 regulator-max-microvolt = <180 117 regulator-max-microvolt = <1800000>;
87 regulator-always-on; 118 regulator-always-on;
88 regulator-boot-on; 119 regulator-boot-on;
89 vin-supply = <&vcc_sys>; 120 vin-supply = <&vcc_sys>;
90 }; 121 };
91 122
92 /* supplies both host and otg */ 123 /* supplies both host and otg */
93 vcc_host: vcc-host-regulator { 124 vcc_host: vcc-host-regulator {
94 compatible = "regulator-fixed" 125 compatible = "regulator-fixed";
95 enable-active-high; 126 enable-active-high;
96 gpio = <&gpio0 RK_PA4 GPIO_ACT 127 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
97 pinctrl-names = "default"; 128 pinctrl-names = "default";
98 pinctrl-0 = <&host_vbus_drv>; 129 pinctrl-0 = <&host_vbus_drv>;
99 regulator-name = "vcc_host"; 130 regulator-name = "vcc_host";
100 regulator-always-on; 131 regulator-always-on;
101 regulator-boot-on; 132 regulator-boot-on;
102 vin-supply = <&vcc_sys>; 133 vin-supply = <&vcc_sys>;
103 }; 134 };
104 135
105 vcc_io: vcc-io-regulator { 136 vcc_io: vcc-io-regulator {
106 compatible = "regulator-fixed" 137 compatible = "regulator-fixed";
107 regulator-name = "vcc_io"; 138 regulator-name = "vcc_io";
108 regulator-min-microvolt = <330 139 regulator-min-microvolt = <3300000>;
109 regulator-max-microvolt = <330 140 regulator-max-microvolt = <3300000>;
110 regulator-always-on; 141 regulator-always-on;
111 regulator-boot-on; 142 regulator-boot-on;
112 vin-supply = <&vcc_sys>; 143 vin-supply = <&vcc_sys>;
113 }; 144 };
114 145
115 vcc_lan: vcc-lan-regulator { 146 vcc_lan: vcc-lan-regulator {
116 compatible = "regulator-fixed" 147 compatible = "regulator-fixed";
117 regulator-name = "vcc_lan"; 148 regulator-name = "vcc_lan";
118 regulator-min-microvolt = <330 149 regulator-min-microvolt = <3300000>;
119 regulator-max-microvolt = <330 150 regulator-max-microvolt = <3300000>;
120 regulator-always-on; 151 regulator-always-on;
121 regulator-boot-on; 152 regulator-boot-on;
122 vin-supply = <&vcc_io>; 153 vin-supply = <&vcc_io>;
123 }; 154 };
124 155
125 vcc_sys: vcc-sys-regulator { 156 vcc_sys: vcc-sys-regulator {
126 compatible = "regulator-fixed" 157 compatible = "regulator-fixed";
127 regulator-name = "vcc_sys"; 158 regulator-name = "vcc_sys";
128 regulator-min-microvolt = <500 159 regulator-min-microvolt = <5000000>;
129 regulator-max-microvolt = <500 160 regulator-max-microvolt = <5000000>;
130 regulator-always-on; 161 regulator-always-on;
131 regulator-boot-on; 162 regulator-boot-on;
132 }; 163 };
133 164
134 vccio_wl: vccio-wl-regulator { 165 vccio_wl: vccio-wl-regulator {
135 compatible = "regulator-fixed" 166 compatible = "regulator-fixed";
136 regulator-name = "vccio_wl"; 167 regulator-name = "vccio_wl";
137 regulator-min-microvolt = <330 168 regulator-min-microvolt = <3300000>;
138 regulator-max-microvolt = <330 169 regulator-max-microvolt = <3300000>;
139 regulator-always-on; 170 regulator-always-on;
140 regulator-boot-on; 171 regulator-boot-on;
141 vin-supply = <&vcc_io>; 172 vin-supply = <&vcc_io>;
142 }; 173 };
143 174
144 vdd_10: vdd-10-regulator { 175 vdd_10: vdd-10-regulator {
145 compatible = "regulator-fixed" 176 compatible = "regulator-fixed";
146 regulator-name = "vdd_10"; 177 regulator-name = "vdd_10";
147 regulator-min-microvolt = <100 178 regulator-min-microvolt = <1000000>;
148 regulator-max-microvolt = <100 179 regulator-max-microvolt = <1000000>;
149 regulator-always-on; 180 regulator-always-on;
150 regulator-boot-on; 181 regulator-boot-on;
151 vin-supply = <&vcc_sys>; 182 vin-supply = <&vcc_sys>;
152 }; 183 };
153 }; 184 };
154 185
155 &emmc { 186 &emmc {
156 bus-width = <8>; 187 bus-width = <8>;
157 cap-mmc-highspeed; 188 cap-mmc-highspeed;
>> 189 disable-wp;
158 mmc-pwrseq = <&emmc_pwrseq>; 190 mmc-pwrseq = <&emmc_pwrseq>;
159 non-removable; 191 non-removable;
160 pinctrl-names = "default"; 192 pinctrl-names = "default";
161 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc 193 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
162 status = "okay"; 194 status = "okay";
163 }; 195 };
164 196
165 &gmac { 197 &gmac {
166 phy-supply = <&vcc_lan>; 198 phy-supply = <&vcc_lan>;
167 phy-mode = "rmii"; 199 phy-mode = "rmii";
168 clock_in_out = "output"; 200 clock_in_out = "output";
169 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ 201 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
170 snps,reset-active-low; 202 snps,reset-active-low;
171 snps,reset-delays-us = <0 10000 100000 203 snps,reset-delays-us = <0 10000 1000000>;
172 pinctrl-names = "default"; 204 pinctrl-names = "default";
173 pinctrl-0 = <&rmii_pins>; 205 pinctrl-0 = <&rmii_pins>;
174 tx_delay = <0x30>; 206 tx_delay = <0x30>;
175 rx_delay = <0x10>; 207 rx_delay = <0x10>;
176 status = "okay"; !! 208 status = "ok";
177 }; 209 };
178 210
179 &i2c0 { 211 &i2c0 {
180 status = "okay"; 212 status = "okay";
181 213
182 vdd_cpu: syr827@40 { 214 vdd_cpu: syr827@40 {
183 compatible = "silergy,syr827"; 215 compatible = "silergy,syr827";
184 reg = <0x40>; 216 reg = <0x40>;
185 fcs,suspend-voltage-selector = 217 fcs,suspend-voltage-selector = <1>;
186 regulator-name = "vdd_cpu"; 218 regulator-name = "vdd_cpu";
187 regulator-enable-ramp-delay = 219 regulator-enable-ramp-delay = <300>;
188 regulator-min-microvolt = <712 220 regulator-min-microvolt = <712500>;
189 regulator-max-microvolt = <150 221 regulator-max-microvolt = <1500000>;
190 regulator-ramp-delay = <8000>; 222 regulator-ramp-delay = <8000>;
191 regulator-always-on; 223 regulator-always-on;
192 regulator-boot-on; 224 regulator-boot-on;
193 vin-supply = <&vcc_sys>; 225 vin-supply = <&vcc_sys>;
194 }; 226 };
195 227
196 hym8563: rtc@51 { !! 228 hym8563: hym8563@51 {
197 compatible = "haoyu,hym8563"; 229 compatible = "haoyu,hym8563";
198 reg = <0x51>; 230 reg = <0x51>;
199 #clock-cells = <0>; 231 #clock-cells = <0>;
>> 232 clock-frequency = <32768>;
200 clock-output-names = "xin32k"; 233 clock-output-names = "xin32k";
201 /* rtc_int is not connected */ 234 /* rtc_int is not connected */
202 }; 235 };
203 }; 236 };
204 237
205 &io_domains { 238 &io_domains {
206 status = "okay"; !! 239 status = "ok";
207 240
208 audio-supply = <&vcc_io>; 241 audio-supply = <&vcc_io>;
209 gpio30-supply = <&vcc_io>; 242 gpio30-supply = <&vcc_io>;
210 gpio1830-supply = <&vcc_io>; 243 gpio1830-supply = <&vcc_io>;
211 wifi-supply = <&vccio_wl>; 244 wifi-supply = <&vccio_wl>;
212 }; 245 };
213 246
214 &sdio0 { 247 &sdio0 {
215 assigned-clocks = <&cru SCLK_SDIO0>; 248 assigned-clocks = <&cru SCLK_SDIO0>;
216 assigned-clock-parents = <&cru PLL_CPL 249 assigned-clock-parents = <&cru PLL_CPLL>;
217 bus-width = <4>; 250 bus-width = <4>;
218 cap-sd-highspeed; 251 cap-sd-highspeed;
219 cap-sdio-irq; 252 cap-sdio-irq;
220 keep-power-in-suspend; 253 keep-power-in-suspend;
221 mmc-pwrseq = <&sdio_pwrseq>; 254 mmc-pwrseq = <&sdio_pwrseq>;
222 non-removable; 255 non-removable;
223 pinctrl-names = "default"; 256 pinctrl-names = "default";
224 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sd 257 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
225 vmmc-supply = <&vcc_io>; 258 vmmc-supply = <&vcc_io>;
226 vqmmc-supply = <&vccio_wl>; 259 vqmmc-supply = <&vccio_wl>;
227 status = "okay"; 260 status = "okay";
228 }; 261 };
229 262
230 &pinctrl { 263 &pinctrl {
231 pcfg_pull_none_drv_8ma: pcfg-pull-none 264 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
232 bias-disable; 265 bias-disable;
233 drive-strength = <8>; 266 drive-strength = <8>;
234 }; 267 };
235 268
236 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv 269 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
237 bias-pull-up; 270 bias-pull-up;
238 drive-strength = <8>; 271 drive-strength = <8>;
239 }; 272 };
240 273
241 emmc { 274 emmc {
242 emmc_bus8: emmc-bus8 { 275 emmc_bus8: emmc-bus8 {
243 rockchip,pins = <1 RK_ !! 276 rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
244 <1 RK_ !! 277 <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
245 <1 RK_ !! 278 <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
246 <1 RK_ !! 279 <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
247 <1 RK_ !! 280 <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
248 <1 RK_ !! 281 <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
249 <1 RK_ !! 282 <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
250 <1 RK_ !! 283 <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
251 }; 284 };
252 285
253 emmc-clk { 286 emmc-clk {
254 rockchip,pins = <2 RK_ !! 287 rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
255 }; 288 };
256 289
257 emmc-cmd { 290 emmc-cmd {
258 rockchip,pins = <1 RK_ !! 291 rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
259 }; 292 };
260 293
261 emmc_reset: emmc-reset { 294 emmc_reset: emmc-reset {
262 rockchip,pins = <2 RK_ !! 295 rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
263 }; 296 };
264 }; 297 };
265 298
266 ir { 299 ir {
267 ir_int: ir-int { 300 ir_int: ir-int {
268 rockchip,pins = <3 RK_ !! 301 rockchip,pins = <3 30 RK_FUNC_GPIO &pcfg_pull_up>;
269 }; 302 };
270 }; 303 };
271 304
272 keys { 305 keys {
273 pwr_key: pwr-key { 306 pwr_key: pwr-key {
274 rockchip,pins = <0 RK_ !! 307 rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
275 }; 308 };
276 }; 309 };
277 310
278 leds { 311 leds {
279 stby_pwren: stby-pwren { 312 stby_pwren: stby-pwren {
280 rockchip,pins = <0 RK_ !! 313 rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>;
281 }; 314 };
282 315
283 led_ctl: led-ctl { 316 led_ctl: led-ctl {
284 rockchip,pins = <3 RK_ !! 317 rockchip,pins = <3 29 RK_FUNC_GPIO &pcfg_pull_none>;
285 }; 318 };
286 }; 319 };
287 320
288 sdio { 321 sdio {
289 wifi_reg_on: wifi-reg-on { 322 wifi_reg_on: wifi-reg-on {
290 rockchip,pins = <3 RK_ !! 323 rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
291 }; 324 };
292 325
293 bt_rst: bt-rst { 326 bt_rst: bt-rst {
294 rockchip,pins = <3 RK_ !! 327 rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
295 }; 328 };
296 }; 329 };
297 330
298 usb { 331 usb {
299 host_vbus_drv: host-vbus-drv { 332 host_vbus_drv: host-vbus-drv {
300 rockchip,pins = <0 RK_ !! 333 rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
301 }; 334 };
302 }; 335 };
303 }; 336 };
304 337
305 &pmu_io_domains { 338 &pmu_io_domains {
306 status = "okay"; 339 status = "okay";
307 340
308 pmu-supply = <&vcc_io>; 341 pmu-supply = <&vcc_io>;
309 vop-supply = <&vcc_io>; 342 vop-supply = <&vcc_io>;
310 }; 343 };
311 344
312 &saradc { 345 &saradc {
313 vref-supply = <&vcc_18>; 346 vref-supply = <&vcc_18>;
314 status = "okay"; 347 status = "okay";
315 }; 348 };
316 349
317 &tsadc { 350 &tsadc {
318 rockchip,hw-tshut-mode = <0>; /* tshut 351 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
319 rockchip,hw-tshut-polarity = <0>; /* t 352 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
320 status = "okay"; 353 status = "okay";
321 }; 354 };
322 355
323 &uart2 { 356 &uart2 {
324 status = "okay"; 357 status = "okay";
325 }; 358 };
326 359
327 &usb_host0_ehci { 360 &usb_host0_ehci {
328 status = "okay"; 361 status = "okay";
329 }; 362 };
330 363
331 &usb_otg { 364 &usb_otg {
332 dr_mode = "host"; 365 dr_mode = "host";
333 status = "okay"; 366 status = "okay";
334 }; 367 };
335 368
336 &wdt { 369 &wdt {
337 status = "okay"; 370 status = "okay";
338 }; 371 };
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