1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
4 *
5 * Author: Robert Nelson <robertcnelson@gmail.com>
6 */
7 /dts-v1/;
8
9 #include "am33xx.dtsi"
10 #include "am335x-osd335x-common.dtsi"
11 #include <dt-bindings/leds/common.h>
12
13 / {
14 model = "TI AM335x PocketBeagle";
15 compatible = "ti,am335x-pocketbeagle", "ti,am335x-bone", "ti,am33xx";
16
17 chosen {
18 stdout-path = &uart0;
19 };
20
21 leds {
22 pinctrl-names = "default";
23 pinctrl-0 = <&usr_leds_pins>;
24
25 compatible = "gpio-leds";
26
27 led-usr0 {
28 label = "beaglebone:green:usr0";
29 color = <LED_COLOR_ID_BLUE>;
30 function = LED_FUNCTION_HEARTBEAT;
31 gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
32 linux,default-trigger = "heartbeat";
33 default-state = "off";
34 };
35
36 led-usr1 {
37 label = "beaglebone:green:usr1";
38 color = <LED_COLOR_ID_BLUE>;
39 function = LED_FUNCTION_DISK_ACTIVITY;
40 gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
41 linux,default-trigger = "mmc0";
42 default-state = "off";
43 };
44
45 led-usr2 {
46 label = "beaglebone:green:usr2";
47 color = <LED_COLOR_ID_BLUE>;
48 function = LED_FUNCTION_CPU;
49 gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
50 linux,default-trigger = "cpu0";
51 default-state = "off";
52 };
53
54 led-usr3 {
55 label = "beaglebone:green:usr3";
56 color = <LED_COLOR_ID_BLUE>;
57 function = LED_FUNCTION_INDICATOR;
58 gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
59 default-state = "off";
60 };
61 };
62
63 vmmcsd_fixed: fixedregulator0 {
64 compatible = "regulator-fixed";
65 regulator-name = "vmmcsd_fixed";
66 regulator-min-microvolt = <3300000>;
67 regulator-max-microvolt = <3300000>;
68 };
69 };
70
71 &gpio0 {
72 gpio-line-names =
73 "NC",
74 "NC",
75 "P1.08 [SPI0_CLK]",
76 "P1.10 [SPI0_MISO]",
77 "P1.12 [SPI0_MOSI]",
78 "P1.06 [SPI0_CS]",
79 "[MMC0_CD]",
80 "P2.29 [SPI1_CLK]",
81 "[SYSBOOT 12]",
82 "[SYSBOOT 13]",
83 "[SYSBOOT 14]",
84 "[SYSBOOT 15]",
85 "P1.26 [I2C2_SDA]",
86 "P1.28 [I2C2_SCL]",
87 "P2.11 [I2C1_SDA]",
88 "P2.09 [I2C1_SCL]",
89 "NC",
90 "NC",
91 "NC",
92 "P2.31 [SPI1_CS]",
93 "P1.20 [PRU0.16]",
94 "NC",
95 "NC",
96 "P2.03",
97 "NC",
98 "NC",
99 "P1.34",
100 "P2.19",
101 "NC",
102 "NC",
103 "P2.05 [UART4_RX]",
104 "P2.07 [UART4_TX]";
105 };
106
107 &gpio1 {
108 gpio-line-names =
109 "NC",
110 "NC",
111 "NC",
112 "NC",
113 "NC",
114 "NC",
115 "NC",
116 "NC",
117 "NC",
118 "P2.25 [SPI1_MOSI]",
119 "P1.32 [UART0_RX]",
120 "P1.30 [UART0_TX]",
121 "P2.24",
122 "P2.33",
123 "P2.22",
124 "P2.18 [PRU0.15i]",
125 "NC",
126 "NC",
127 "P2.01 [PWM1A]",
128 "NC",
129 "P2.10",
130 "[USR LED 0]",
131 "[USR LED 1]",
132 "[USR LED 2]",
133 "[USR LED 3]",
134 "P2.06",
135 "P2.04",
136 "P2.02",
137 "P2.08",
138 "NC",
139 "NC",
140 "NC";
141 };
142
143 &gpio2 {
144 gpio-line-names =
145 "P2.20",
146 "P2.17",
147 "NC",
148 "NC",
149 "NC",
150 "[EEPROM_WP]",
151 "[SYSBOOT 0]",
152 "[SYSBOOT 1]",
153 "[SYSBOOT 2]",
154 "[SYSBOOT 3]",
155 "[SYSBOOT 4]",
156 "[SYSBOOT 5]",
157 "[SYSBOOT 6]",
158 "[SYSBOOT 7]",
159 "[SYSBOOT 8]",
160 "[SYSBOOT 9]",
161 "[SYSBOOT 10]",
162 "[SYSBOOT 11]",
163 "NC",
164 "NC",
165 "NC",
166 "NC",
167 "P2.35 [AIN5]",
168 "P1.02 [AIN6]",
169 "P1.35 [PRU1.10]",
170 "P1.04 [PRU1.11]",
171 "[MMC0_DAT3]",
172 "[MMC0_DAT2]",
173 "[MMC0_DAT1]",
174 "[MMC0_DAT0]",
175 "[MMC0_CLK]",
176 "[MMC0_CMD]";
177 };
178
179 &gpio3 {
180 gpio-line-names =
181 "NC",
182 "NC",
183 "NC",
184 "NC",
185 "NC",
186 "[I2C0_SDA]",
187 "[I2C0_SCL]",
188 "[JTAG EMU0]",
189 "[JTAG EMU1]",
190 "NC",
191 "NC",
192 "NC",
193 "NC",
194 "P1.03 [USB1]",
195 "P1.36 [PWM0A]",
196 "P1.33 [PRU0.1]",
197 "P2.32 [PRU0.2]",
198 "P2.30 [PRU0.3]",
199 "P1.31 [PRU0.4]",
200 "P2.34 [PRU0.5]",
201 "P2.28 [PRU0.6]",
202 "P1.29 [PRU0.7]",
203 "NC",
204 "NC",
205 "NC",
206 "NC",
207 "NC",
208 "NC",
209 "NC",
210 "NC",
211 "NC",
212 "NC";
213 };
214
215 &am33xx_pinmux {
216
217 compatible = "pinconf-single";
218 pinctrl-names = "default";
219
220 /* P2_03 (ZCZ ball T10) gpio0_23 0x824 PIN 9 */
221 P2_03_gpio: P2-03-gpio-pins {
222 pinctrl-single,pins = <
223 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLUP, MUX_MODE7)
224 >;
225 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
226 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
227 };
228
229 /* P1_34 (ZCZ ball T11) gpio0_26 0x828 PIN 10 */
230 P1_34_gpio: P1-34-gpio-pins {
231 pinctrl-single,pins = <
232 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLUP, MUX_MODE7)
233 >;
234 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
235 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
236 };
237
238 /* P2_19 (ZCZ ball U12) gpio0_27 0x82c PIN 11 */
239 P2_19_gpio: P2-19-gpio-pins {
240 pinctrl-single,pins = <
241 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLUP, MUX_MODE7)
242 >;
243 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
244 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
245 };
246
247 /* P2_24 (ZCZ ball T12) gpio1_12 0x830 PIN 12 */
248 P2_24_gpio: P2-24-gpio-pins {
249 pinctrl-single,pins = <
250 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE7)
251 >;
252 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
253 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
254 };
255
256 /* P2_33 (ZCZ ball R12) gpio1_13 0x834 PIN 13 */
257 P2_33_gpio: P2-33-gpio-pins {
258 pinctrl-single,pins = <
259 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE7)
260 >;
261 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
262 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
263 };
264
265 /* P2_22 (ZCZ ball V13) gpio1_14 0x838 PIN 14 */
266 P2_22_gpio: P2-22-gpio-pins {
267 pinctrl-single,pins = <
268 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE7)
269 >;
270 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
271 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
272 };
273
274 /* P2_20 (ZCZ ball T13) gpio2_00 0x888 */
275 P2_20_gpio: P2-20-gpio-pins {
276 pinctrl-single,pins = <
277 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE7)
278 >;
279 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
280 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
281 };
282
283 /* P2_10 (ZCZ ball R14) gpio1_20 0x850 PIN 20 */
284 P2_10_gpio: P2-10-gpio-pins {
285 pinctrl-single,pins = <
286 AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_INPUT_PULLUP, MUX_MODE7)
287 >;
288 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
289 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
290 };
291
292 /* P2_06 (ZCZ ball U16) gpio1_25 0x864 PIN 25 */
293 P2_06_gpio: P2-06-gpio-pins {
294 pinctrl-single,pins = <
295 AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT_PULLUP, MUX_MODE7)
296 >;
297 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
298 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
299 };
300
301 /* P2_04 (ZCZ ball T16) gpio1_26 0x868 PIN 26 */
302 P2_04_gpio: P2-04-gpio-pins {
303 pinctrl-single,pins = <
304 AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLUP, MUX_MODE7)
305 >;
306 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
307 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
308 };
309
310 /* P2_02 (ZCZ ball V17) gpio1_27 0x86c PIN 27 */
311 P2_02_gpio: P2-02-gpio-pins {
312 pinctrl-single,pins = <
313 AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLUP, MUX_MODE7)
314 >;
315 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
316 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
317 };
318
319 /* P2_08 (ZCZ ball U18) gpio1_28 0x878 PIN 30 */
320 P2_08_gpio: P2-08-gpio-pins {
321 pinctrl-single,pins = <
322 AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLDOWN, MUX_MODE7)
323 >;
324 pinctrl-single,bias-pullup = < 0x00 0x10 0x00 0x18>;
325 pinctrl-single,bias-pulldown = < 0x00 0x00 0x10 0x18>;
326 };
327
328 /* P2_17 (ZCZ ball V12) gpio2_1 0x88c PIN 35 */
329 P2_17_gpio: P2-17-gpio-pins {
330 pinctrl-single,pins = <
331 AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE7)
332 >;
333 pinctrl-single,bias-pullup = < 0x10 0x10 0x00 0x18>;
334 pinctrl-single,bias-pulldown = < 0x10 0x00 0x10 0x18>;
335 };
336
337 i2c2_pins: pinmux-i2c2-pins {
338 pinctrl-single,pins = <
339 AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* (D17) uart1_rtsn.I2C2_SCL */
340 AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* (D18) uart1_ctsn.I2C2_SDA */
341 >;
342 };
343
344 ehrpwm0_pins: pinmux-ehrpwm0-pins {
345 pinctrl-single,pins = <
346 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* (A13) mcasp0_aclkx.ehrpwm0A */
347 >;
348 };
349
350 ehrpwm1_pins: pinmux-ehrpwm1-pins {
351 pinctrl-single,pins = <
352 AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT_PULLDOWN, MUX_MODE6) /* (U14) gpmc_a2.ehrpwm1A */
353 >;
354 };
355
356 mmc0_pins: pinmux-mmc0-pins {
357 pinctrl-single,pins = <
358 AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7) /* (C15) spi0_cs1.gpio0[6] */
359 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
360 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
361 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
362 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
363 AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
364 AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
365 >;
366 };
367
368 spi0_pins: pinmux-spi0-pins {
369 pinctrl-single,pins = <
370 AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
371 AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
372 AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
373 AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
374 >;
375 };
376
377 spi1_pins: pinmux-spi1-pins {
378 pinctrl-single,pins = <
379 AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_INPUT_PULLUP, MUX_MODE4) /* (C18) eCAP0_in_PWM0_out.spi1_sclk */
380 AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLUP, MUX_MODE4) /* (E18) uart0_ctsn.spi1_d0 */
381 AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE4) /* (E17) uart0_rtsn.spi1_d1 */
382 AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_INPUT_PULLUP, MUX_MODE4) /* (A15) xdma_event_intr0.spi1_cs1 */
383 >;
384 };
385
386 usr_leds_pins: pinmux-usr-leds-pins {
387 pinctrl-single,pins = <
388 AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE7) /* (V15) gpmc_a5.gpio1[21] - USR_LED_0 */
389 AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_OUTPUT, MUX_MODE7) /* (U15) gpmc_a6.gpio1[22] - USR_LED_1 */
390 AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_OUTPUT, MUX_MODE7) /* (T15) gpmc_a7.gpio1[23] - USR_LED_2 */
391 AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT, MUX_MODE7) /* (V16) gpmc_a8.gpio1[24] - USR_LED_3 */
392 >;
393 };
394
395 uart0_pins: pinmux-uart0-pins {
396 pinctrl-single,pins = <
397 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
398 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
399 >;
400 };
401
402 uart4_pins: pinmux-uart4-pins {
403 pinctrl-single,pins = <
404 AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE6) /* (T17) gpmc_wait0.uart4_rxd */
405 AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_OUTPUT_PULLDOWN, MUX_MODE6) /* (U17) gpmc_wpn.uart4_txd */
406 >;
407 };
408
409 pru0_pins: pinmux-pru0-pins {
410 pinctrl-single,pins = <
411 AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_INPUT_PULLUP, MUX_MODE5)/* (D14) xdma_event_intr1.pr1_pru0_pru_r31_16 */
412 AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE5)/* (A14) mcasp0_ahclkx.pr1_pru0_pru_r30_7 */
413 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (B12) mcasp0_acklr.pr1_pru0_pru_r30_4 */
414 AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (B13) mcasp0_fsx.pr1_pru0_pru_r30_1 */
415 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE6) /* (U13) gpmc_ad15.pr1_pru0_pru_r31_15 */
416 AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (D13) mcasp0_axr1.pr1_pru0_pru_r30_6 */
417 AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE5)/* (C12) mcasp0_ahclkr.pr1_pru0_pru_r30_3 */
418 AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (D12) mcasp0_axr0.pr1_pru0_pru_r30_2 */
419 AM33XX_PADCONF(AM335X_PIN_MCASP0_FSR, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (C13) mcasp0_fsr.pr1_pru0_pru_r30_5 */
420 >;
421 };
422
423 pru1_pins: pinmux-pru1-pins {
424 pinctrl-single,pins = <
425 AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE5)/*(R6) lcd_ac_bias_en.pr1_pru1_pru_r30_11 */
426 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE5) /* (V5) lcd_pclk.pr1_pru1_pru_r30_10 */
427 >;
428 };
429 };
430
431 &epwmss0 {
432 status = "okay";
433 };
434
435 &ehrpwm0 {
436 status = "okay";
437 pinctrl-names = "default";
438 pinctrl-0 = <&ehrpwm0_pins>;
439 };
440
441 &epwmss1 {
442 status = "okay";
443 };
444
445 &ehrpwm1 {
446 status = "okay";
447 pinctrl-names = "default";
448 pinctrl-0 = <&ehrpwm1_pins>;
449 };
450
451 &i2c0 {
452 eeprom: eeprom@50 {
453 compatible = "atmel,24c256";
454 reg = <0x50>;
455 };
456 };
457
458 &i2c2 {
459 pinctrl-names = "default";
460 pinctrl-0 = <&i2c2_pins>;
461
462 status = "okay";
463 clock-frequency = <400000>;
464 };
465
466 &mmc1 {
467 status = "okay";
468 vmmc-supply = <&vmmcsd_fixed>;
469 bus-width = <4>;
470 pinctrl-names = "default";
471 pinctrl-0 = <&mmc0_pins>;
472 cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
473 };
474
475 &rtc {
476 system-power-controller;
477 };
478
479 &tscadc {
480 status = "okay";
481 adc {
482 ti,adc-channels = <0 1 2 3 4 5 6 7>;
483 ti,chan-step-avg = <16 16 16 16 16 16 16 16>;
484 ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98 0x98>;
485 ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>;
486 };
487 };
488
489 &uart0 {
490 pinctrl-names = "default";
491 pinctrl-0 = <&uart0_pins>;
492
493 status = "okay";
494 };
495
496 &uart4 {
497 pinctrl-names = "default";
498 pinctrl-0 = <&uart4_pins>;
499
500 status = "okay";
501 };
502
503 &usb0 {
504 dr_mode = "otg";
505 };
506
507 &usb1 {
508 dr_mode = "host";
509 };
510
511 &pruss_tm {
512 status = "okay";
513 };
514
515 &pru0 {
516 pinctrl-names = "default";
517 pinctrl-0 = <&pru0_pins>;
518 };
519
520 &pru1 {
521 pinctrl-names = "default";
522 pinctrl-0 = <&pru1_pins>;
523 };
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