1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /*
3 * Device Tree Source for the R-Car V4M Gray Hawk Single board
4 *
5 * Copyright (C) 2023 Renesas Electronics Corp.
6 * Copyright (C) 2024 Glider bv
7 */
8 /*
9 * [How to use Sound]
10 *
11 * Because R-Car V4M has only 1 SSI, it cannot handle both Playback/Capture
12 * at the same time. You need to switch the direction which is controlled
13 * by the GP0_01 pin via amixer.
14 *
15 * Playback (CN9500)
16 * > amixer set "MUX" "Playback" // for GP0_01
17 * > amixer set "DAC 1" 85%
18 * > aplay xxx.wav
19 *
20 * Capture (CN9501)
21 * > amixer set "MUX" "Capture" // for GP0_01
22 * > amixer set "Mic 1" 80%
23 * > amixer set "ADC 1" on
24 * > amixer set 'ADC 1' 80%
25 * > arecord xxx hoge.wav
26 */
27
28 /dts-v1/;
29
30 #include <dt-bindings/gpio/gpio.h>
31 #include <dt-bindings/input/input.h>
32 #include <dt-bindings/leds/common.h>
33
34 #include "r8a779h0.dtsi"
35
36 / {
37 model = "Renesas Gray Hawk Single board based on r8a779h0";
38 compatible = "renesas,gray-hawk-single", "renesas,r8a779h0";
39
40 aliases {
41 i2c0 = &i2c0;
42 i2c1 = &i2c1;
43 i2c2 = &i2c2;
44 i2c3 = &i2c3;
45 serial0 = &hscif0;
46 serial1 = &hscif2;
47 ethernet0 = &avb0;
48 };
49
50 can_transceiver0: can-phy0 {
51 compatible = "nxp,tjr1443";
52 #phy-cells = <0>;
53 enable-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
54 max-bitrate = <5000000>;
55 };
56
57 chosen {
58 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
59 stdout-path = "serial0:921600n8";
60 };
61
62 keys {
63 compatible = "gpio-keys";
64
65 pinctrl-0 = <&keys_pins>;
66 pinctrl-names = "default";
67
68 key-1 {
69 gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
70 linux,code = <KEY_1>;
71 label = "SW47";
72 wakeup-source;
73 debounce-interval = <20>;
74 };
75
76 key-2 {
77 gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
78 linux,code = <KEY_2>;
79 label = "SW48";
80 wakeup-source;
81 debounce-interval = <20>;
82 };
83
84 key-3 {
85 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
86 linux,code = <KEY_3>;
87 label = "SW49";
88 wakeup-source;
89 debounce-interval = <20>;
90 };
91 };
92
93 leds {
94 compatible = "gpio-leds";
95
96 led-1 {
97 gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
98 color = <LED_COLOR_ID_GREEN>;
99 function = LED_FUNCTION_INDICATOR;
100 function-enumerator = <1>;
101 };
102
103 led-2 {
104 gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
105 color = <LED_COLOR_ID_GREEN>;
106 function = LED_FUNCTION_INDICATOR;
107 function-enumerator = <2>;
108 };
109
110 led-3 {
111 gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
112 color = <LED_COLOR_ID_GREEN>;
113 function = LED_FUNCTION_INDICATOR;
114 function-enumerator = <3>;
115 };
116 };
117
118 memory@48000000 {
119 device_type = "memory";
120 /* first 128MB is reserved for secure area. */
121 reg = <0x0 0x48000000 0x0 0x78000000>;
122 };
123
124 memory@480000000 {
125 device_type = "memory";
126 reg = <0x4 0x80000000 0x1 0x80000000>;
127 };
128
129 reg_1p8v: regulator-1p8v {
130 compatible = "regulator-fixed";
131 regulator-name = "fixed-1.8V";
132 regulator-min-microvolt = <1800000>;
133 regulator-max-microvolt = <1800000>;
134 regulator-boot-on;
135 regulator-always-on;
136 };
137
138 reg_3p3v: regulator-3p3v {
139 compatible = "regulator-fixed";
140 regulator-name = "fixed-3.3V";
141 regulator-min-microvolt = <3300000>;
142 regulator-max-microvolt = <3300000>;
143 regulator-boot-on;
144 regulator-always-on;
145 };
146
147 sound_mux: sound-mux {
148 compatible = "simple-audio-mux";
149 mux-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
150 state-labels = "Playback", "Capture";
151 };
152
153 sound_card: sound {
154 compatible = "audio-graph-card2";
155 label = "rcar-sound";
156 aux-devs = <&sound_mux>; // for GP0_01
157
158 links = <&rsnd_port>; // AK4619 Audio Codec
159 };
160 };
161
162 &audio_clkin {
163 clock-frequency = <24576000>;
164 };
165
166 &avb0 {
167 pinctrl-0 = <&avb0_pins>;
168 pinctrl-names = "default";
169 phy-handle = <&phy0>;
170 tx-internal-delay-ps = <2000>;
171 status = "okay";
172
173 phy0: ethernet-phy@0 {
174 compatible = "ethernet-phy-id0022.1622",
175 "ethernet-phy-ieee802.3-c22";
176 rxc-skew-ps = <1500>;
177 reg = <0>;
178 interrupt-parent = <&gpio7>;
179 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
180 reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
181 };
182 };
183
184 &can_clk {
185 clock-frequency = <40000000>;
186 };
187
188 &canfd {
189 pinctrl-0 = <&canfd0_pins>, <&canfd1_pins>, <&can_clk_pins>;
190 pinctrl-names = "default";
191 status = "okay";
192
193 channel0 {
194 status = "okay";
195 phys = <&can_transceiver0>;
196 };
197
198 channel1 {
199 status = "okay";
200 };
201 };
202
203 &extal_clk {
204 clock-frequency = <16666666>;
205 };
206
207 &extalr_clk {
208 clock-frequency = <32768>;
209 };
210
211 &gpio1 {
212 audio-power-hog {
213 gpio-hog;
214 gpios = <8 GPIO_ACTIVE_HIGH>;
215 output-high;
216 line-name = "Audio-Power";
217 };
218 };
219
220 &hscif0 {
221 pinctrl-0 = <&hscif0_pins>;
222 pinctrl-names = "default";
223
224 uart-has-rtscts;
225 status = "okay";
226 };
227
228 &hscif2 {
229 pinctrl-0 = <&hscif2_pins>;
230 pinctrl-names = "default";
231
232 uart-has-rtscts;
233 status = "okay";
234 };
235
236 &i2c0 {
237 pinctrl-0 = <&i2c0_pins>;
238 pinctrl-names = "default";
239
240 status = "okay";
241 clock-frequency = <400000>;
242
243 eeprom@50 {
244 compatible = "rohm,br24g01", "atmel,24c01";
245 label = "cpu-board";
246 reg = <0x50>;
247 pagesize = <8>;
248 };
249
250 eeprom@51 {
251 compatible = "rohm,br24g01", "atmel,24c01";
252 label = "breakout-board";
253 reg = <0x51>;
254 pagesize = <8>;
255 };
256
257 eeprom@52 {
258 compatible = "rohm,br24g01", "atmel,24c01";
259 label = "csi-dsi-sub-board-id";
260 reg = <0x52>;
261 pagesize = <8>;
262 };
263
264 eeprom@53 {
265 compatible = "rohm,br24g01", "atmel,24c01";
266 label = "ethernet-sub-board-id";
267 reg = <0x53>;
268 pagesize = <8>;
269 };
270 };
271
272 &i2c3 {
273 pinctrl-0 = <&i2c3_pins>;
274 pinctrl-names = "default";
275
276 status = "okay";
277 clock-frequency = <400000>;
278
279 codec@10 {
280 compatible = "asahi-kasei,ak4619";
281 reg = <0x10>;
282
283 clocks = <&rcar_sound>;
284 clock-names = "mclk";
285
286 #sound-dai-cells = <0>;
287 port {
288 ak4619_endpoint: endpoint {
289 remote-endpoint = <&rsnd_endpoint>;
290 };
291 };
292 };
293 };
294
295 &mmc0 {
296 pinctrl-0 = <&mmc_pins>;
297 pinctrl-1 = <&mmc_pins>;
298 pinctrl-names = "default", "state_uhs";
299
300 vmmc-supply = <®_3p3v>;
301 vqmmc-supply = <®_1p8v>;
302 mmc-hs200-1_8v;
303 mmc-hs400-1_8v;
304 bus-width = <8>;
305 no-sd;
306 no-sdio;
307 non-removable;
308 full-pwr-cycle-in-suspend;
309 status = "okay";
310 };
311
312 &pfc {
313 pinctrl-0 = <&scif_clk_pins>, <&scif_clk2_pins>;
314 pinctrl-names = "default";
315
316 avb0_pins: avb0 {
317 mux {
318 groups = "avb0_link", "avb0_mdio", "avb0_rgmii",
319 "avb0_txcrefclk";
320 function = "avb0";
321 };
322
323 pins_mdio {
324 groups = "avb0_mdio";
325 drive-strength = <21>;
326 };
327
328 pins_mii {
329 groups = "avb0_rgmii";
330 drive-strength = <21>;
331 };
332 };
333
334 can_clk_pins: can-clk {
335 groups = "can_clk";
336 function = "can_clk";
337 };
338
339 canfd0_pins: canfd0 {
340 groups = "canfd0_data";
341 function = "canfd0";
342 };
343
344 canfd1_pins: canfd1 {
345 groups = "canfd1_data";
346 function = "canfd1";
347 };
348
349 hscif0_pins: hscif0 {
350 groups = "hscif0_data", "hscif0_ctrl";
351 function = "hscif0";
352 };
353
354 hscif2_pins: hscif2 {
355 groups = "hscif2_data", "hscif2_ctrl";
356 function = "hscif2";
357 };
358
359 i2c0_pins: i2c0 {
360 groups = "i2c0";
361 function = "i2c0";
362 };
363
364 i2c3_pins: i2c3 {
365 groups = "i2c3";
366 function = "i2c3";
367 };
368
369 keys_pins: keys {
370 pins = "GP_5_0", "GP_5_1", "GP_5_2";
371 bias-pull-up;
372 };
373
374 mmc_pins: mmc {
375 groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
376 function = "mmc";
377 power-source = <1800>;
378 };
379
380 qspi0_pins: qspi0 {
381 groups = "qspi0_ctrl", "qspi0_data4";
382 function = "qspi0";
383 };
384
385 scif_clk_pins: scif-clk {
386 groups = "scif_clk";
387 function = "scif_clk";
388 };
389
390 scif_clk2_pins: scif-clk2 {
391 groups = "scif_clk2";
392 function = "scif_clk2";
393 };
394
395 sound_clk_pins: sound_clk {
396 groups = "audio_clkin", "audio_clkout";
397 function = "audio_clk";
398 };
399
400 sound_pins: sound {
401 groups = "ssi_ctrl", "ssi_data";
402 function = "ssi";
403 };
404 };
405
406 &rcar_sound {
407 pinctrl-0 = <&sound_clk_pins>, <&sound_pins>;
408 pinctrl-names = "default";
409
410 status = "okay";
411
412 /* audio_clkout */
413 clock-frequency = <12288000>;
414
415 ports {
416 rsnd_port: port {
417 rsnd_endpoint: endpoint {
418 remote-endpoint = <&ak4619_endpoint>;
419 bitclock-master;
420 frame-master;
421
422 /* see above [How to use Sound] */
423 playback = <&ssi0>;
424 capture = <&ssi0>;
425 };
426 };
427 };
428 };
429
430 &rpc {
431 pinctrl-0 = <&qspi0_pins>;
432 pinctrl-names = "default";
433
434 status = "okay";
435
436 flash@0 {
437 compatible = "spansion,s25fs512s", "jedec,spi-nor";
438 reg = <0>;
439 spi-max-frequency = <40000000>;
440 spi-rx-bus-width = <4>;
441
442 partitions {
443 compatible = "fixed-partitions";
444 #address-cells = <1>;
445 #size-cells = <1>;
446
447 boot@0 {
448 reg = <0x0 0x1200000>;
449 read-only;
450 };
451 user@1200000 {
452 reg = <0x1200000 0x2e00000>;
453 };
454 };
455 };
456 };
457
458 &rwdt {
459 timeout-sec = <60>;
460 status = "okay";
461 };
462
463 &scif_clk {
464 clock-frequency = <24000000>;
465 };
466
467 &scif_clk2 {
468 clock-frequency = <24000000>;
469 };
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