1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree Source for the Alt board
4 *
5 * Copyright (C) 2014 Renesas Electronics Corporation
6 */
7
8 /dts-v1/;
9 #include "r8a7794.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12
13 / {
14 model = "Alt";
15 compatible = "renesas,alt", "renesas,r8a7794";
16
17 aliases {
18 serial0 = &scif2;
19 i2c9 = &gpioi2c1;
20 i2c10 = &gpioi2c4;
21 i2c11 = &i2chdmi;
22 i2c12 = &i2cexio4;
23 mmc0 = &mmcif0;
24 mmc1 = &sdhi0;
25 mmc2 = &sdhi1;
26 };
27
28 chosen {
29 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
30 stdout-path = "serial0:115200n8";
31 };
32
33 memory@40000000 {
34 device_type = "memory";
35 reg = <0 0x40000000 0 0x40000000>;
36 };
37
38 d3_3v: regulator-d3-3v {
39 compatible = "regulator-fixed";
40 regulator-name = "D3.3V";
41 regulator-min-microvolt = <3300000>;
42 regulator-max-microvolt = <3300000>;
43 regulator-boot-on;
44 regulator-always-on;
45 };
46
47 vcc_sdhi0: regulator-vcc-sdhi0 {
48 compatible = "regulator-fixed";
49
50 regulator-name = "SDHI0 Vcc";
51 regulator-min-microvolt = <3300000>;
52 regulator-max-microvolt = <3300000>;
53
54 gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>;
55 enable-active-high;
56 };
57
58 vccq_sdhi0: regulator-vccq-sdhi0 {
59 compatible = "regulator-gpio";
60
61 regulator-name = "SDHI0 VccQ";
62 regulator-min-microvolt = <1800000>;
63 regulator-max-microvolt = <3300000>;
64
65 gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
66 gpios-states = <1>;
67 states = <3300000 1>, <1800000 0>;
68 };
69
70 vcc_sdhi1: regulator-vcc-sdhi1 {
71 compatible = "regulator-fixed";
72
73 regulator-name = "SDHI1 Vcc";
74 regulator-min-microvolt = <3300000>;
75 regulator-max-microvolt = <3300000>;
76
77 gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;
78 enable-active-high;
79 };
80
81 vccq_sdhi1: regulator-vccq-sdhi1 {
82 compatible = "regulator-gpio";
83
84 regulator-name = "SDHI1 VccQ";
85 regulator-min-microvolt = <1800000>;
86 regulator-max-microvolt = <3300000>;
87
88 gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;
89 gpios-states = <1>;
90 states = <3300000 1>, <1800000 0>;
91 };
92
93 keyboard {
94 compatible = "gpio-keys";
95
96 pinctrl-0 = <&keyboard_pins>;
97 pinctrl-names = "default";
98
99 one {
100 linux,code = <KEY_1>;
101 label = "SW2-1";
102 wakeup-source;
103 debounce-interval = <20>;
104 gpios = <&gpio3 9 GPIO_ACTIVE_LOW>;
105 };
106 two {
107 linux,code = <KEY_2>;
108 label = "SW2-2";
109 wakeup-source;
110 debounce-interval = <20>;
111 gpios = <&gpio3 10 GPIO_ACTIVE_LOW>;
112 };
113 three {
114 linux,code = <KEY_3>;
115 label = "SW2-3";
116 wakeup-source;
117 debounce-interval = <20>;
118 gpios = <&gpio3 11 GPIO_ACTIVE_LOW>;
119 };
120 four {
121 linux,code = <KEY_4>;
122 label = "SW2-4";
123 wakeup-source;
124 debounce-interval = <20>;
125 gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
126 };
127 };
128
129 vga-encoder {
130 compatible = "adi,adv7123";
131
132 ports {
133 #address-cells = <1>;
134 #size-cells = <0>;
135
136 port@0 {
137 reg = <0>;
138 adv7123_in: endpoint {
139 remote-endpoint = <&du_out_rgb1>;
140 };
141 };
142 port@1 {
143 reg = <1>;
144 adv7123_out: endpoint {
145 remote-endpoint = <&vga_in>;
146 };
147 };
148 };
149 };
150
151 vga {
152 compatible = "vga-connector";
153
154 port {
155 vga_in: endpoint {
156 remote-endpoint = <&adv7123_out>;
157 };
158 };
159 };
160
161 x2_clk: x2-clock {
162 compatible = "fixed-clock";
163 #clock-cells = <0>;
164 clock-frequency = <74250000>;
165 };
166
167 x13_clk: x13-clock {
168 compatible = "fixed-clock";
169 #clock-cells = <0>;
170 clock-frequency = <148500000>;
171 };
172
173 gpioi2c1: i2c-9 {
174 #address-cells = <1>;
175 #size-cells = <0>;
176 compatible = "i2c-gpio";
177 status = "disabled";
178 scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
179 sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
180 };
181
182 gpioi2c4: i2c-10 {
183 #address-cells = <1>;
184 #size-cells = <0>;
185 compatible = "i2c-gpio";
186 status = "disabled";
187 scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
188 sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
189 i2c-gpio,delay-us = <5>;
190 };
191
192 /*
193 * A fallback to GPIO is provided for I2C1.
194 */
195 i2chdmi: i2c-mux1 {
196 compatible = "i2c-demux-pinctrl";
197 i2c-parent = <&i2c1>, <&gpioi2c1>;
198 i2c-bus-name = "i2c-hdmi";
199 #address-cells = <1>;
200 #size-cells = <0>;
201
202 composite-in@20 {
203 compatible = "adi,adv7180";
204 reg = <0x20>;
205
206 port {
207 adv7180: endpoint {
208 bus-width = <8>;
209 remote-endpoint = <&vin0ep>;
210 };
211 };
212 };
213
214 eeprom@50 {
215 compatible = "renesas,r1ex24002", "atmel,24c02";
216 reg = <0x50>;
217 pagesize = <16>;
218 };
219 };
220
221 /*
222 * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
223 * A fallback to GPIO is provided.
224 */
225 i2cexio4: i2c-mux2 {
226 compatible = "i2c-demux-pinctrl";
227 i2c-parent = <&i2c4>, <&gpioi2c4>;
228 i2c-bus-name = "i2c-exio4";
229 #address-cells = <1>;
230 #size-cells = <0>;
231 };
232 };
233
234 &pci0 {
235 status = "okay";
236 pinctrl-0 = <&usb0_pins>;
237 pinctrl-names = "default";
238 };
239
240 &pci1 {
241 status = "okay";
242 pinctrl-0 = <&usb1_pins>;
243 pinctrl-names = "default";
244 };
245
246 &usbphy {
247 status = "okay";
248 };
249
250 &du {
251 pinctrl-0 = <&du_pins>;
252 pinctrl-names = "default";
253 status = "okay";
254
255 clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
256 <&x13_clk>, <&x2_clk>;
257 clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
258
259 ports {
260 port@1 {
261 endpoint {
262 remote-endpoint = <&adv7123_in>;
263 };
264 };
265 };
266 };
267
268 &extal_clk {
269 clock-frequency = <20000000>;
270 };
271
272 &pfc {
273 pinctrl-0 = <&scif_clk_pins>;
274 pinctrl-names = "default";
275
276 du_pins: du {
277 groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_clk0_out";
278 function = "du1";
279 };
280
281 scif2_pins: scif2 {
282 groups = "scif2_data";
283 function = "scif2";
284 };
285
286 scif_clk_pins: scif_clk {
287 groups = "scif_clk";
288 function = "scif_clk";
289 };
290
291 ether_pins: ether {
292 groups = "eth_link", "eth_mdio", "eth_rmii";
293 function = "eth";
294 };
295
296 phy1_pins: phy1 {
297 groups = "intc_irq8";
298 function = "intc";
299 };
300
301 i2c1_pins: i2c1 {
302 groups = "i2c1";
303 function = "i2c1";
304 };
305
306 i2c4_pins: i2c4 {
307 groups = "i2c4";
308 function = "i2c4";
309 };
310
311 vin0_pins: vin0 {
312 groups = "vin0_data8", "vin0_clk";
313 function = "vin0";
314 };
315
316 mmcif0_pins: mmcif0 {
317 groups = "mmc_data8", "mmc_ctrl";
318 function = "mmc";
319 };
320
321 sdhi0_pins: sd0 {
322 groups = "sdhi0_data4", "sdhi0_ctrl";
323 function = "sdhi0";
324 power-source = <3300>;
325 };
326
327 sdhi0_pins_uhs: sd0_uhs {
328 groups = "sdhi0_data4", "sdhi0_ctrl";
329 function = "sdhi0";
330 power-source = <1800>;
331 };
332
333 sdhi1_pins: sd1 {
334 groups = "sdhi1_data4", "sdhi1_ctrl";
335 function = "sdhi1";
336 power-source = <3300>;
337 };
338
339 sdhi1_pins_uhs: sd1_uhs {
340 groups = "sdhi1_data4", "sdhi1_ctrl";
341 function = "sdhi1";
342 power-source = <1800>;
343 };
344
345 usb0_pins: usb0 {
346 groups = "usb0";
347 function = "usb0";
348 };
349
350 usb1_pins: usb1 {
351 groups = "usb1";
352 function = "usb1";
353 };
354
355 keyboard_pins: keyboard {
356 pins = "GP_3_9", "GP_3_10", "GP_3_11", "GP_3_12";
357 bias-pull-up;
358 };
359 };
360
361 &cmt0 {
362 status = "okay";
363 };
364
365 &pfc {
366 qspi_pins: qspi {
367 groups = "qspi_ctrl", "qspi_data4";
368 function = "qspi";
369 };
370 };
371
372 ðer {
373 pinctrl-0 = <ðer_pins>, <&phy1_pins>;
374 pinctrl-names = "default";
375
376 phy-handle = <&phy1>;
377 renesas,ether-link-active-low;
378 status = "okay";
379
380 phy1: ethernet-phy@1 {
381 compatible = "ethernet-phy-id0022.1537",
382 "ethernet-phy-ieee802.3-c22";
383 reg = <1>;
384 interrupt-parent = <&irqc0>;
385 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
386 micrel,led-mode = <1>;
387 reset-gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
388 };
389 };
390
391 &mmcif0 {
392 pinctrl-0 = <&mmcif0_pins>;
393 pinctrl-names = "default";
394
395 vmmc-supply = <&d3_3v>;
396 vqmmc-supply = <&d3_3v>;
397 bus-width = <8>;
398 non-removable;
399 status = "okay";
400 };
401
402 &rwdt {
403 timeout-sec = <60>;
404 status = "okay";
405 };
406
407 &sdhi0 {
408 pinctrl-0 = <&sdhi0_pins>;
409 pinctrl-1 = <&sdhi0_pins_uhs>;
410 pinctrl-names = "default", "state_uhs";
411
412 vmmc-supply = <&vcc_sdhi0>;
413 vqmmc-supply = <&vccq_sdhi0>;
414 cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
415 wp-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
416 sd-uhs-sdr50;
417 sd-uhs-sdr104;
418 status = "okay";
419 };
420
421 &sdhi1 {
422 pinctrl-0 = <&sdhi1_pins>;
423 pinctrl-1 = <&sdhi1_pins_uhs>;
424 pinctrl-names = "default", "state_uhs";
425
426 vmmc-supply = <&vcc_sdhi1>;
427 vqmmc-supply = <&vccq_sdhi1>;
428 cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
429 wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
430 sd-uhs-sdr50;
431 status = "okay";
432 };
433
434 &i2c1 {
435 pinctrl-0 = <&i2c1_pins>;
436 pinctrl-names = "i2c-hdmi";
437
438 clock-frequency = <400000>;
439 };
440
441 &i2c4 {
442 pinctrl-0 = <&i2c4_pins>;
443 pinctrl-names = "i2c-exio4";
444 };
445
446 &i2c7 {
447 status = "okay";
448 clock-frequency = <100000>;
449
450 pmic@58 {
451 compatible = "dlg,da9063";
452 reg = <0x58>;
453 interrupt-parent = <&gpio3>;
454 interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
455 interrupt-controller;
456 #interrupt-cells = <2>;
457
458 rtc {
459 compatible = "dlg,da9063-rtc";
460 };
461
462 watchdog {
463 compatible = "dlg,da9063-watchdog";
464 };
465 };
466 };
467
468 &vin0 {
469 status = "okay";
470 pinctrl-0 = <&vin0_pins>;
471 pinctrl-names = "default";
472
473 port {
474 vin0ep: endpoint {
475 remote-endpoint = <&adv7180>;
476 bus-width = <8>;
477 };
478 };
479 };
480
481 &scif2 {
482 pinctrl-0 = <&scif2_pins>;
483 pinctrl-names = "default";
484
485 status = "okay";
486 };
487
488 &scif_clk {
489 clock-frequency = <14745600>;
490 };
491
492 &qspi {
493 pinctrl-0 = <&qspi_pins>;
494 pinctrl-names = "default";
495
496 status = "okay";
497
498 flash@0 {
499 compatible = "spansion,s25fl512s", "jedec,spi-nor";
500 reg = <0>;
501 spi-max-frequency = <30000000>;
502 spi-tx-bus-width = <4>;
503 spi-rx-bus-width = <4>;
504 spi-cpol;
505 spi-cpha;
506 m25p,fast-read;
507
508 partitions {
509 compatible = "fixed-partitions";
510 #address-cells = <1>;
511 #size-cells = <1>;
512
513 partition@0 {
514 label = "loader";
515 reg = <0x00000000 0x00040000>;
516 read-only;
517 };
518 partition@40000 {
519 label = "system";
520 reg = <0x00040000 0x00040000>;
521 read-only;
522 };
523 partition@80000 {
524 label = "user";
525 reg = <0x00080000 0x03f80000>;
526 };
527 };
528 };
529 };
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