1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Device tree file for Firefly Rockchip RK3288 Core board
4 * Copyright (c) 2016 Randy Li <ayaka@soulik.info>
5 */
6
7 /dts-v1/;
8 #include "rk3288-firefly-reload-core.dtsi"
9
10 / {
11 model = "Firefly-RK3288-reload";
12 compatible = "firefly,firefly-rk3288-reload", "rockchip,rk3288";
13
14 adc-keys {
15 compatible = "adc-keys";
16 io-channels = <&saradc 1>;
17 io-channel-names = "buttons";
18 keyup-threshold-microvolt = <1800000>;
19
20 button-recovery {
21 label = "Recovery";
22 linux,code = <KEY_VENDOR>;
23 press-threshold-microvolt = <0>;
24 };
25 };
26
27 gpio-keys {
28 compatible = "gpio-keys";
29
30 key-power {
31 wakeup-source;
32 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
33 label = "GPIO Power";
34 linux,code = <KEY_POWER>;
35 pinctrl-names = "default";
36 pinctrl-0 = <&pwr_key>;
37 };
38 };
39
40 ir-receiver {
41 compatible = "gpio-ir-receiver";
42 gpios = <&gpio7 RK_PA0 GPIO_ACTIVE_LOW>;
43 };
44
45 leds {
46 compatible = "gpio-leds";
47
48 power_led: led-0 {
49 gpios = <&gpio8 RK_PA2 GPIO_ACTIVE_LOW>;
50 label = "firefly:blue:power";
51 pinctrl-names = "default";
52 pinctrl-0 = <&power_led_pin>;
53 panic-indicator;
54 };
55
56 work_led: led-1 {
57 gpios = <&gpio8 RK_PA1 GPIO_ACTIVE_LOW>;
58 label = "firefly:blue:user";
59 linux,default-trigger = "rc-feedback";
60 pinctrl-names = "default";
61 pinctrl-0 = <&work_led_pin>;
62 };
63 };
64
65 sdio_pwrseq: sdio-pwrseq {
66 compatible = "mmc-pwrseq-simple";
67 clocks = <&hym8563>;
68 clock-names = "ext_clock";
69 pinctrl-names = "default";
70 pinctrl-0 = <&wifi_enable>;
71 reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
72 };
73
74 sound {
75 compatible = "simple-audio-card";
76 simple-audio-card,name = "SPDIF";
77 simple-audio-card,dai-link@1 { /* S/PDIF - S/PDIF */
78 cpu { sound-dai = <&spdif>; };
79 codec { sound-dai = <&spdif_out>; };
80 };
81 };
82
83 spdif_out: spdif-out {
84 compatible = "linux,spdif-dit";
85 #sound-dai-cells = <0>;
86 };
87
88 vcc_host_5v: usb-host-regulator {
89 compatible = "regulator-fixed";
90 enable-active-high;
91 gpio = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
92 pinctrl-names = "default";
93 pinctrl-0 = <&host_vbus_drv>;
94 regulator-name = "vcc_host_5v";
95 regulator-min-microvolt = <5000000>;
96 regulator-max-microvolt = <5000000>;
97 regulator-always-on;
98 vin-supply = <&vcc_5v>;
99 };
100
101 vcc_5v: vcc_sys: vsys-regulator {
102 compatible = "regulator-fixed";
103 regulator-name = "vcc_5v";
104 regulator-min-microvolt = <5000000>;
105 regulator-max-microvolt = <5000000>;
106 regulator-always-on;
107 regulator-boot-on;
108 };
109
110 vcc_sd: sdmmc-regulator {
111 compatible = "regulator-fixed";
112 gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_LOW>;
113 pinctrl-names = "default";
114 pinctrl-0 = <&sdmmc_pwr>;
115 regulator-name = "vcc_sd";
116 regulator-min-microvolt = <3300000>;
117 regulator-max-microvolt = <3300000>;
118 startup-delay-us = <100000>;
119 vin-supply = <&vcc_io>;
120 };
121
122 vcc_otg_5v: usb-otg-regulator {
123 compatible = "regulator-fixed";
124 enable-active-high;
125 gpio = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
126 pinctrl-names = "default";
127 pinctrl-0 = <&otg_vbus_drv>;
128 regulator-name = "vcc_otg_5v";
129 regulator-min-microvolt = <5000000>;
130 regulator-max-microvolt = <5000000>;
131 regulator-always-on;
132 vin-supply = <&vcc_5v>;
133 };
134
135 dovdd_1v8: dovdd-1v8-regulator {
136 compatible = "regulator-fixed";
137 enable-active-high;
138 gpio = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
139 pinctrl-names = "default";
140 pinctrl-0 = <&dvp_pwr>;
141 regulator-name = "dovdd_1v8";
142 regulator-min-microvolt = <1800000>;
143 regulator-max-microvolt = <1800000>;
144 vin-supply = <&vcc_io>;
145 };
146
147 vcc28_dvp: vcc28-dvp-regulator {
148 compatible = "regulator-fixed";
149 enable-active-high;
150 gpio = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
151 pinctrl-names = "default";
152 pinctrl-0 = <&dvp_pwr>;
153 regulator-name = "vcc28_dvp";
154 regulator-min-microvolt = <2800000>;
155 regulator-max-microvolt = <2800000>;
156 vin-supply = <&vcc_io>;
157 };
158
159 af_28: af_28-regulator {
160 compatible = "regulator-fixed";
161 enable-active-high;
162 gpio = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
163 pinctrl-names = "default";
164 pinctrl-0 = <&dvp_pwr>;
165 regulator-name = "af_28";
166 regulator-min-microvolt = <2800000>;
167 regulator-max-microvolt = <2800000>;
168 vin-supply = <&vcc_io>;
169 };
170
171 dvdd_1v2: af_28-regulator {
172 compatible = "regulator-fixed";
173 enable-active-high;
174 gpio = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>;
175 pinctrl-names = "default";
176 pinctrl-0 = <&cif_pwr>;
177 regulator-name = "dvdd_1v2";
178 regulator-min-microvolt = <1200000>;
179 regulator-max-microvolt = <1200000>;
180 vin-supply = <&vcc_io>;
181 };
182
183 vbat_wl: wifi-regulator {
184 compatible = "regulator-fixed";
185 regulator-name = "vbat_wl";
186 regulator-min-microvolt = <3300000>;
187 regulator-max-microvolt = <3300000>;
188 vin-supply = <&vcc_io>;
189 };
190 };
191
192 &hdmi {
193 ddc-i2c-bus = <&i2c5>;
194 pinctrl-names = "default";
195 pinctrl-0 = <&hdmi_cec_c0>;
196 status = "okay";
197 };
198
199 &i2c0 {
200 hym8563: hym8563@51 {
201 compatible = "haoyu,hym8563";
202 reg = <0x51>;
203 #clock-cells = <0>;
204 clock-frequency = <32768>;
205 clock-output-names = "xin32k";
206 interrupt-parent = <&gpio7>;
207 interrupts = <RK_PA4 IRQ_TYPE_EDGE_FALLING>;
208 pinctrl-names = "default";
209 pinctrl-0 = <&rtc_int>;
210 };
211 };
212
213 &i2c2 {
214 status = "okay";
215
216 codec: es8328@10 {
217 compatible = "everest,es8328";
218 DVDD-supply = <&vcca_33>;
219 AVDD-supply = <&vcca_33>;
220 PVDD-supply = <&vcca_33>;
221 HPVDD-supply = <&vcca_33>;
222 clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
223 clock-names = "i2s_hclk", "i2s_clk";
224 reg = <0x10>;
225 };
226 };
227
228 &i2c5 {
229 status = "okay";
230 };
231
232 &i2s {
233 status = "okay";
234 };
235
236 &saradc {
237 vref-supply = <&vcc_18>;
238 status = "okay";
239 };
240
241 &sdmmc {
242 bus-width = <4>;
243 cap-mmc-highspeed;
244 cap-sd-highspeed;
245 card-detect-delay = <200>;
246 disable-wp;
247 pinctrl-names = "default";
248 pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
249 vmmc-supply = <&vcc_sd>;
250 vqmmc-supply = <&vccio_sd>;
251 status = "okay";
252 };
253
254 &sdio0 {
255 bus-width = <4>;
256 cap-sd-highspeed;
257 cap-sdio-irq;
258 mmc-pwrseq = <&sdio_pwrseq>;
259 non-removable;
260 pinctrl-names = "default";
261 pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>, <&sdio0_int>;
262 sd-uhs-sdr12;
263 sd-uhs-sdr25;
264 sd-uhs-sdr50;
265 sd-uhs-ddr50;
266 vmmc-supply = <&vbat_wl>;
267 vqmmc-supply = <&vccio_wl>;
268 status = "okay";
269 };
270
271 &spdif {
272 status = "okay";
273 };
274
275 &uart0 {
276 pinctrl-names = "default";
277 pinctrl-0 = <&uart0_xfer>, <&uart0_cts>, <&uart0_rts>;
278 status = "okay";
279 };
280
281 &uart1 {
282 status = "okay";
283 };
284
285 &uart2 {
286 status = "okay";
287 };
288
289 &uart3 {
290 status = "okay";
291 };
292
293 &usbphy {
294 status = "okay";
295 };
296
297 &usb_host1 {
298 pinctrl-names = "default";
299 pinctrl-0 = <&usbhub_rst>;
300 status = "okay";
301 };
302
303 &usb_otg {
304 status = "okay";
305 };
306
307 &pinctrl {
308 ir {
309 ir_int: ir-int {
310 rockchip,pins = <7 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
311 };
312 };
313
314 dvp {
315 dvp_pwr: dvp-pwr {
316 rockchip,pins = <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
317 };
318
319 cif_pwr: cif-pwr {
320 rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
321 };
322 };
323
324 hym8563 {
325 rtc_int: rtc-int {
326 rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
327 };
328 };
329
330 keys {
331 pwr_key: pwr-key {
332 rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
333 };
334 };
335
336 leds {
337 power_led_pin: power-led-pin {
338 rockchip,pins = <8 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
339 };
340
341 work_led_pin: work-led-pin {
342 rockchip,pins = <8 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
343 };
344 };
345
346 sdmmc {
347 /*
348 * Default drive strength isn't enough to achieve even
349 * high-speed mode on firefly board so bump up to 12ma.
350 */
351 sdmmc_bus4: sdmmc-bus4 {
352 rockchip,pins = <6 RK_PC0 1 &pcfg_pull_up_drv_12ma>,
353 <6 RK_PC1 1 &pcfg_pull_up_drv_12ma>,
354 <6 RK_PC2 1 &pcfg_pull_up_drv_12ma>,
355 <6 RK_PC3 1 &pcfg_pull_up_drv_12ma>;
356 };
357
358 sdmmc_clk: sdmmc-clk {
359 rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_12ma>;
360 };
361
362 sdmmc_cmd: sdmmc-cmd {
363 rockchip,pins = <6 RK_PC5 1 &pcfg_pull_up_drv_12ma>;
364 };
365
366 sdmmc_pwr: sdmmc-pwr {
367 rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
368 };
369 };
370
371 sdio {
372 wifi_enable: wifi-enable {
373 rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
374 };
375 };
376
377 usb_host {
378 host_vbus_drv: host-vbus-drv {
379 rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
380 };
381
382 usbhub_rst: usbhub-rst {
383 rockchip,pins = <8 RK_PA3 RK_FUNC_GPIO &pcfg_output_high>;
384 };
385 };
386
387 usb_otg {
388 otg_vbus_drv: otg-vbus-drv {
389 rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
390 };
391 };
392 };
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