1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
4 */
5
6 /dts-v1/;
7 #include "rk3368.dtsi"
8 #include <dt-bindings/input/input.h>
9
10 / {
11 model = "Rockchip R88";
12 compatible = "rockchip,r88", "rockchip,rk3368";
13
14 aliases {
15 ethernet0 = &gmac;
16 mmc0 = &sdio0;
17 mmc1 = &emmc;
18 };
19
20 chosen {
21 stdout-path = "serial2:115200n8";
22 };
23
24 memory@0 {
25 device_type = "memory";
26 reg = <0x0 0x0 0x0 0x40000000>;
27 };
28
29 emmc_pwrseq: emmc-pwrseq {
30 compatible = "mmc-pwrseq-emmc";
31 pinctrl-0 = <&emmc_reset>;
32 pinctrl-names = "default";
33 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>;
34 };
35
36 keys: gpio-keys {
37 compatible = "gpio-keys";
38 pinctrl-names = "default";
39 pinctrl-0 = <&pwr_key>;
40
41 key-power {
42 wakeup-source;
43 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
44 label = "GPIO Power";
45 linux,code = <KEY_POWER>;
46 };
47 };
48
49 leds: gpio-leds {
50 compatible = "gpio-leds";
51
52 work_led: led-0 {
53 gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
54 label = "r88:green:led";
55 pinctrl-names = "default";
56 pinctrl-0 = <&led_ctl>;
57 };
58 };
59
60 ir: ir-receiver {
61 compatible = "gpio-ir-receiver";
62 gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>;
63 pinctrl-names = "default";
64 pinctrl-0 = <&ir_int>;
65 };
66
67 sdio_pwrseq: sdio-pwrseq {
68 compatible = "mmc-pwrseq-simple";
69 clocks = <&hym8563>;
70 clock-names = "ext_clock";
71 pinctrl-names = "default";
72 pinctrl-0 = <&bt_rst>, <&wifi_reg_on>;
73
74 reset-gpios =
75 /* BT_RST_N */
76 <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>,
77
78 /* WL_REG_ON */
79 <&gpio3 RK_PA4 GPIO_ACTIVE_LOW>;
80 };
81
82 vcc_18: vcc18-regulator {
83 compatible = "regulator-fixed";
84 regulator-name = "vcc_18";
85 regulator-min-microvolt = <1800000>;
86 regulator-max-microvolt = <1800000>;
87 regulator-always-on;
88 regulator-boot-on;
89 vin-supply = <&vcc_sys>;
90 };
91
92 /* supplies both host and otg */
93 vcc_host: vcc-host-regulator {
94 compatible = "regulator-fixed";
95 enable-active-high;
96 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
97 pinctrl-names = "default";
98 pinctrl-0 = <&host_vbus_drv>;
99 regulator-name = "vcc_host";
100 regulator-always-on;
101 regulator-boot-on;
102 vin-supply = <&vcc_sys>;
103 };
104
105 vcc_io: vcc-io-regulator {
106 compatible = "regulator-fixed";
107 regulator-name = "vcc_io";
108 regulator-min-microvolt = <3300000>;
109 regulator-max-microvolt = <3300000>;
110 regulator-always-on;
111 regulator-boot-on;
112 vin-supply = <&vcc_sys>;
113 };
114
115 vcc_lan: vcc-lan-regulator {
116 compatible = "regulator-fixed";
117 regulator-name = "vcc_lan";
118 regulator-min-microvolt = <3300000>;
119 regulator-max-microvolt = <3300000>;
120 regulator-always-on;
121 regulator-boot-on;
122 vin-supply = <&vcc_io>;
123 };
124
125 vcc_sys: vcc-sys-regulator {
126 compatible = "regulator-fixed";
127 regulator-name = "vcc_sys";
128 regulator-min-microvolt = <5000000>;
129 regulator-max-microvolt = <5000000>;
130 regulator-always-on;
131 regulator-boot-on;
132 };
133
134 vccio_wl: vccio-wl-regulator {
135 compatible = "regulator-fixed";
136 regulator-name = "vccio_wl";
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 vdd_10: vdd-10-regulator {
145 compatible = "regulator-fixed";
146 regulator-name = "vdd_10";
147 regulator-min-microvolt = <1000000>;
148 regulator-max-microvolt = <1000000>;
149 regulator-always-on;
150 regulator-boot-on;
151 vin-supply = <&vcc_sys>;
152 };
153 };
154
155 &emmc {
156 bus-width = <8>;
157 cap-mmc-highspeed;
158 mmc-pwrseq = <&emmc_pwrseq>;
159 non-removable;
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 = "okay";
177 };
178
179 &i2c0 {
180 status = "okay";
181
182 vdd_cpu: syr827@40 {
183 compatible = "silergy,syr827";
184 reg = <0x40>;
185 fcs,suspend-voltage-selector = <1>;
186 regulator-name = "vdd_cpu";
187 regulator-enable-ramp-delay = <300>;
188 regulator-min-microvolt = <712500>;
189 regulator-max-microvolt = <1500000>;
190 regulator-ramp-delay = <8000>;
191 regulator-always-on;
192 regulator-boot-on;
193 vin-supply = <&vcc_sys>;
194 };
195
196 hym8563: rtc@51 {
197 compatible = "haoyu,hym8563";
198 reg = <0x51>;
199 #clock-cells = <0>;
200 clock-output-names = "xin32k";
201 /* rtc_int is not connected */
202 };
203 };
204
205 &io_domains {
206 status = "okay";
207
208 audio-supply = <&vcc_io>;
209 gpio30-supply = <&vcc_io>;
210 gpio1830-supply = <&vcc_io>;
211 wifi-supply = <&vccio_wl>;
212 };
213
214 &sdio0 {
215 assigned-clocks = <&cru SCLK_SDIO0>;
216 assigned-clock-parents = <&cru PLL_CPLL>;
217 bus-width = <4>;
218 cap-sd-highspeed;
219 cap-sdio-irq;
220 keep-power-in-suspend;
221 mmc-pwrseq = <&sdio_pwrseq>;
222 non-removable;
223 pinctrl-names = "default";
224 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
225 vmmc-supply = <&vcc_io>;
226 vqmmc-supply = <&vccio_wl>;
227 status = "okay";
228 };
229
230 &pinctrl {
231 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
232 bias-disable;
233 drive-strength = <8>;
234 };
235
236 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
237 bias-pull-up;
238 drive-strength = <8>;
239 };
240
241 emmc {
242 emmc_bus8: emmc-bus8 {
243 rockchip,pins = <1 RK_PC2 2 &pcfg_pull_up_drv_8ma>,
244 <1 RK_PC3 2 &pcfg_pull_up_drv_8ma>,
245 <1 RK_PC4 2 &pcfg_pull_up_drv_8ma>,
246 <1 RK_PC5 2 &pcfg_pull_up_drv_8ma>,
247 <1 RK_PC6 2 &pcfg_pull_up_drv_8ma>,
248 <1 RK_PC7 2 &pcfg_pull_up_drv_8ma>,
249 <1 RK_PD0 2 &pcfg_pull_up_drv_8ma>,
250 <1 RK_PD1 2 &pcfg_pull_up_drv_8ma>;
251 };
252
253 emmc-clk {
254 rockchip,pins = <2 RK_PA4 2 &pcfg_pull_none_drv_8ma>;
255 };
256
257 emmc-cmd {
258 rockchip,pins = <1 RK_PD2 2 &pcfg_pull_up_drv_8ma>;
259 };
260
261 emmc_reset: emmc-reset {
262 rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
263 };
264 };
265
266 ir {
267 ir_int: ir-int {
268 rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
269 };
270 };
271
272 keys {
273 pwr_key: pwr-key {
274 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
275 };
276 };
277
278 leds {
279 stby_pwren: stby-pwren {
280 rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
281 };
282
283 led_ctl: led-ctl {
284 rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
285 };
286 };
287
288 sdio {
289 wifi_reg_on: wifi-reg-on {
290 rockchip,pins = <3 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
291 };
292
293 bt_rst: bt-rst {
294 rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
295 };
296 };
297
298 usb {
299 host_vbus_drv: host-vbus-drv {
300 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
301 };
302 };
303 };
304
305 &pmu_io_domains {
306 status = "okay";
307
308 pmu-supply = <&vcc_io>;
309 vop-supply = <&vcc_io>;
310 };
311
312 &saradc {
313 vref-supply = <&vcc_18>;
314 status = "okay";
315 };
316
317 &tsadc {
318 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
319 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
320 status = "okay";
321 };
322
323 &uart2 {
324 status = "okay";
325 };
326
327 &usb_host0_ehci {
328 status = "okay";
329 };
330
331 &usb_otg {
332 dr_mode = "host";
333 status = "okay";
334 };
335
336 &wdt {
337 status = "okay";
338 };
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