Merge branches 'clk-range', 'clk-uniphier', 'clk-apple' and 'clk-qcom' into clk-next
[linux-2.6-microblaze.git] / arch / arm / boot / dts / ste-ux500-samsung-skomer.dts
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
4  */
5
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8505.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
14
15 / {
16         model = "Samsung XCover 2 (GT-S7710)";
17         compatible = "samsung,skomer", "st-ericsson,u8500";
18
19         chosen {
20                 stdout-path = &serial2;
21         };
22
23         battery: battery {
24                 compatible = "samsung,eb485159lu";
25         };
26
27         /* TI TXS0206 level translator for 2.9 V */
28         sd_level_translator: regulator-gpio {
29                 compatible = "regulator-fixed";
30
31                 /* GPIO87 EN */
32                 gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
33                 enable-active-high;
34
35                 regulator-name = "sd-level-translator";
36                 regulator-min-microvolt = <2900000>;
37                 regulator-max-microvolt = <2900000>;
38                 regulator-type = "voltage";
39
40                 startup-delay-us = <200>;
41
42                 pinctrl-names = "default";
43                 pinctrl-0 = <&sd_level_translator_default>;
44         };
45
46         /* External LDO MIC5366-3.3YMT for eMMC */
47         ldo_3v3_reg: regulator-gpio-ldo-3v3 {
48                 compatible = "regulator-fixed";
49                 regulator-name = "en-3v3-fixed-supply";
50                 regulator-min-microvolt = <3300000>;
51                 regulator-max-microvolt = <3300000>;
52                 gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
53                 startup-delay-us = <5000>;
54                 enable-active-high;
55                 pinctrl-names = "default";
56                 pinctrl-0 = <&emmc_ldo_en_default_mode>;
57         };
58
59         wlan_en: regulator-gpio-wlan-en {
60                 compatible = "regulator-fixed";
61                 regulator-name = "wl-reg-on";
62                 regulator-min-microvolt = <3000000>;
63                 regulator-max-microvolt = <3000000>;
64                 startup-delay-us = <200000>;
65                 /* GPIO215 WLAN_EN */
66                 gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
67                 enable-active-high;
68                 pinctrl-names = "default";
69                 pinctrl-0 = <&wlan_en_default_mode>;
70         };
71
72         vibrator {
73                 compatible = "gpio-vibrator";
74                 enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
75                 pinctrl-names = "default";
76                 pinctrl-0 = <&vibrator_default>;
77         };
78
79         gpio-keys {
80                 compatible = "gpio-keys";
81                 pinctrl-names = "default";
82                 pinctrl-0 = <&gpio_keys_default_mode>;
83
84                 button-home {
85                         linux,code = <KEY_HOME>;
86                         label = "HOME";
87                         /* GPIO91 */
88                         gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
89                 };
90                 button-volup {
91                         linux,code = <KEY_VOLUMEUP>;
92                         label = "VOL+";
93                         /* GPIO67 */
94                         gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
95                 };
96                 button-voldown {
97                         linux,code = <KEY_VOLUMEDOWN>;
98                         label = "VOL-";
99                         /* GPIO92 */
100                         gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
101                 };
102                 button-menu {
103                         linux,code = <KEY_MENU>;
104                         label = "MENU";
105                         /* GPIO204 */
106                         gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
107                 };
108                 button-back {
109                         linux,code = <KEY_BACK>;
110                         label = "BACK";
111                         /* GPIO205 */
112                         gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
113                 };
114         };
115
116         ktd253: backlight {
117                 compatible = "kinetic,ktd253";
118                 /* GPIO 69 */
119                 enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
120                 /* Default to 13/32 brightness */
121                 default-brightness = <13>;
122                 pinctrl-names = "default";
123                 pinctrl-0 = <&gpio_backlight_default_mode>;
124         };
125
126         /* Richtek RT8515GQW Flash LED Driver IC */
127         flash {
128                 compatible = "richtek,rt8515";
129                 /* GPIO 140 */
130                 enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
131                 /* GPIO 141 */
132                 ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
133                 /*
134                  * RFS is 16 kOhm and RTS is 100 kOhm giving
135                  * the flash max current 343mA and torch max
136                  * current 55 mA.
137                  */
138                 richtek,rfs-ohms = <16000>;
139                 richtek,rts-ohms = <100000>;
140                 pinctrl-names = "default";
141                 pinctrl-0 = <&gpio_flash_default_mode>;
142
143                 led {
144                         function = LED_FUNCTION_FLASH;
145                         color = <LED_COLOR_ID_WHITE>;
146                         flash-max-timeout-us = <250000>;
147                         flash-max-microamp = <343750>;
148                         led-max-microamp = <55000>;
149                 };
150         };
151
152         i2c-gpio-0 {
153                 compatible = "i2c-gpio";
154                 sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
155                 scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
156                 pinctrl-names = "default";
157                 pinctrl-0 = <&i2c_gpio_0_default>;
158                 #address-cells = <1>;
159                 #size-cells = <0>;
160                 /* TODO: this should be used by the NCP6914 Camera power management unit */
161         };
162
163         i2c-gpio-1 {
164                 compatible = "i2c-gpio";
165                 sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
166                 scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
167                 pinctrl-names = "default";
168                 pinctrl-0 = <&i2c_gpio_1_default>;
169                 #address-cells = <1>;
170                 #size-cells = <0>;
171                 magnetometer@c {
172                         compatible = "alps,hscdtd008a";
173                         reg = <0x0c>;
174                         avdd-supply = <&ab8500_ldo_aux1_reg>;
175                         dvdd-supply = <&ab8500_ldo_aux8_reg>;
176                 };
177         };
178
179         soc {
180                 // External Micro SD slot
181                 mmc@80126000 {
182                         arm,primecell-periphid = <0x10480180>;
183                         max-frequency = <100000000>;
184                         bus-width = <4>;
185                         cap-sd-highspeed;
186                         cap-mmc-highspeed;
187                         /* All direction control is used */
188                         st,sig-pin-fbclk;
189                         full-pwr-cycle;
190                         vmmc-supply = <&ab8500_ldo_aux3_reg>;
191                         vqmmc-supply = <&sd_level_translator>;
192                         pinctrl-names = "default", "sleep";
193                         pinctrl-0 = <&mc0_a_1_default>;
194                         pinctrl-1 = <&mc0_a_1_sleep>;
195                         status = "okay";
196                 };
197
198                 // WLAN SDIO channel
199                 mmc@80118000 {
200                         arm,primecell-periphid = <0x10480180>;
201                         max-frequency = <50000000>;
202                         bus-width = <4>;
203                         non-removable;
204                         cap-sd-highspeed;
205                         vmmc-supply = <&wlan_en>;
206                         pinctrl-names = "default", "sleep";
207                         pinctrl-0 = <&mc1_a_2_default>;
208                         pinctrl-1 = <&mc1_a_2_sleep>;
209                         status = "okay";
210                         #address-cells = <1>;
211                         #size-cells = <0>;
212
213                         wifi@1 {
214                                 compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac";
215                                 reg = <1>;
216                                 /* GPIO216 WL_HOST_WAKE */
217                                 interrupt-parent = <&gpio6>;
218                                 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
219                                 interrupt-names = "host-wake";
220                                 pinctrl-names = "default";
221                                 pinctrl-0 = <&wlan_default_mode>;
222                         };
223                 };
224
225                 /*
226                  * eMMC seems to be mostly Samsung KLM4G1YE4C "4YMD1R"
227                  */
228                 mmc@80005000 {
229                         arm,primecell-periphid = <0x10480180>;
230                         max-frequency = <100000000>;
231                         bus-width = <8>;
232                         non-removable;
233                         cap-mmc-highspeed;
234                         mmc-ddr-1_8v;
235                         no-sdio;
236                         no-sd;
237                         /* From datasheet page 26 figure 9: 300 ms set-up time for 4GB */
238                         post-power-on-delay-ms = <300>;
239                         vmmc-supply = <&ldo_3v3_reg>;
240                         pinctrl-names = "default", "sleep";
241                         pinctrl-0 = <&mc2_a_1_default>;
242                         pinctrl-1 = <&mc2_a_1_sleep>;
243
244                         status = "okay";
245                 };
246
247                 /* GBF (Bluetooth) UART */
248                 uart@80120000 {
249                         pinctrl-names = "default", "sleep";
250                         pinctrl-0 = <&u0_a_1_default>;
251                         pinctrl-1 = <&u0_a_1_sleep>;
252                         status = "okay";
253
254                         /* FIXME: not quite working yet, probably needs regulators */
255                         bluetooth {
256                                 /* BCM4334B0 actually */
257                                 compatible = "brcm,bcm4330-bt";
258                                 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
259                                 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
260                                 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
261                                 pinctrl-names = "default";
262                                 pinctrl-0 = <&bluetooth_default_mode>;
263                         };
264                 };
265
266                 /* GPF UART */
267                 uart@80121000 {
268                         status = "okay";
269                         pinctrl-names = "default", "sleep";
270                         pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
271                         pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
272                 };
273
274                 /* Debugging console UART connected to AB8505 USB */
275                 uart@80007000 {
276                         status = "okay";
277                         pinctrl-names = "default", "sleep";
278                         pinctrl-0 = <&u2rxtx_c_1_default>;
279                         pinctrl-1 = <&u2rxtx_c_1_sleep>;
280                 };
281
282                 prcmu@80157000 {
283                         ab8505 {
284                                 ab8500_usb {
285                                         pinctrl-names = "default", "sleep";
286                                         pinctrl-0 = <&usb_a_1_default>;
287                                         pinctrl-1 = <&usb_a_1_sleep>;
288                                 };
289
290                                 ab8505-regulators {
291                                         ab8500_ldo_aux1 {
292                                                 /* Used for VDD for sensors */
293                                                 regulator-name = "AUX1";
294                                                 regulator-min-microvolt = <3000000>;
295                                                 regulator-max-microvolt = <3300000>;
296                                         };
297
298                                         ab8500_ldo_aux2 {
299                                                 /* Supplies the Cypress TMA140 touchscreen only with 3.0V */
300                                                 regulator-name = "AUX2";
301                                                 regulator-min-microvolt = <3000000>;
302                                                 regulator-max-microvolt = <3000000>;
303                                         };
304
305                                         ab8500_ldo_aux3 {
306                                                 /* Used for voltage for external MMC/SD card */
307                                                 regulator-name = "AUX3";
308                                                 regulator-min-microvolt = <1100000>;
309                                                 regulator-max-microvolt = <3300000>;
310                                         };
311
312                                         ab8500_ldo_aux4 {
313                                                 regulator-name = "AUX4";
314                                                 /* Hammer to 3.0V for the display */
315                                                 regulator-min-microvolt = <3000000>;
316                                                 regulator-max-microvolt = <3000000>;
317                                         };
318
319                                         ab8500_ldo_aux5 {
320                                                 regulator-name = "AUX5";
321                                                 /* Intended for 1V8 for touchscreen but actually left unused */
322                                                 regulator-min-microvolt = <1050000>;
323                                                 regulator-max-microvolt = <2790000>;
324                                         };
325
326                                         ab8500_ldo_aux6 {
327                                                 regulator-name = "AUX6";
328                                                 /* Hammer to 1.8V for the display */
329                                                 regulator-min-microvolt = <1800000>;
330                                                 regulator-max-microvolt = <1800000>;
331                                         };
332
333                                         ab8500_ldo_aux8 {
334                                                 /* Mostly VIO for sensors */
335                                                 regulator-name = "AUX8";
336                                         };
337                                 };
338                         };
339                 };
340
341                 /* I2C0 */
342                 i2c@80004000 {
343                         status = "okay";
344
345                         pinctrl-names = "default", "sleep";
346                         pinctrl-0 = <&i2c0_a_1_default>;
347                         pinctrl-1 = <&i2c0_a_1_sleep>;
348
349                         proximity@44 {
350                                 compatible = "sharp,gp2ap002s00f";
351                                 clock-frequency = <400000>;
352                                 reg = <0x44>;
353
354                                 interrupt-parent = <&gpio4>;
355                                 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
356                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
357                                 vio-supply = <&ab8500_ldo_aux8_reg>;
358                                 pinctrl-names = "default";
359                                 pinctrl-0 = <&gp2ap002_skomer_default>;
360                                 sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
361                                 sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
362                         };
363                 };
364
365
366                 /* I2C2 */
367                 i2c@80128000 {
368                         status = "okay";
369
370                         pinctrl-names = "default", "sleep";
371                         pinctrl-0 = <&i2c2_b_2_default>;
372                         pinctrl-1 = <&i2c2_b_2_sleep>;
373
374                         accel@18 {
375                                 compatible = "bosch,bma254";
376                                 clock-frequency = <400000>;
377                                 reg = <0x18>;
378
379                                 /* GPIO224 used as "smart alert" interrupt */
380                                 interrupt-parent = <&gpio7>;
381                                 interrupts = <0 IRQ_TYPE_EDGE_RISING>;
382
383                                 mount-matrix = "0", "-1", "0",
384                                               "1", "0", "0",
385                                                "0", "0", "1";
386                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
387                                 vddio-supply = <&ab8500_ldo_aux8_reg>;
388                                 pinctrl-names = "default";
389                                 pinctrl-0 = <&bma254_skomer_default>;
390                         };
391                 };
392
393                 /* I2C3 */
394                 i2c@80110000 {
395                         status = "okay";
396
397                         pinctrl-names = "default", "sleep";
398                         pinctrl-0 = <&i2c3_c_2_default>;
399                         pinctrl-1 = <&i2c3_c_2_sleep>;
400
401                         /* Cypress CY8CTMA140 touchscreen */
402                         touchscreen@20 {
403                                 compatible = "cypress,cy8ctma140";
404                                 clock-frequency = <400000>;
405                                 reg = <0x20>;
406
407                                 touchscreen-size-x = <480>;
408                                 touchscreen-size-y = <800>;
409                                 touchscreen-max-pressure = <255>;
410
411                                 /* GPIO218 for IRQ */
412                                 interrupt-parent = <&gpio6>;
413                                 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
414
415                                 /* VDD is "digital supply" nominally 1.71-3.6V */
416                                 vdd-supply = <&ab8500_ldo_aux2_reg>;
417                                 /* VCPIN is "analog supply", 2.7-3.6 V */
418                                 vcpin-supply = <&ab8500_ldo_aux2_reg>;
419
420                                 pinctrl-names = "default";
421                                 pinctrl-0 = <&tma140_skomer_default>;
422                         };
423                 };
424
425                 mcde@a0350000 {
426                         status = "okay";
427                         pinctrl-names = "default";
428                         pinctrl-0 = <&dsi_default_mode>;
429
430                         dsi@a0351000 {
431                                 panel {
432                                         /* NT35510-based Hydis HVA40WV1 */
433                                         compatible = "hydis,hva40wv1", "novatek,nt35510";
434                                         reg = <0>;
435                                         /* v_lcd_3v0 2.3-4.8V */
436                                         vdd-supply = <&ab8500_ldo_aux4_reg>;
437                                         /* v_lcd_1v8 1.65-3.3V */
438                                         vddi-supply = <&ab8500_ldo_aux6_reg>;
439                                         /* GPIO 139 */
440                                         reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
441                                         pinctrl-names = "default";
442                                         pinctrl-0 = <&display_default_mode>;
443                                         backlight = <&ktd253>;
444                                 };
445                         };
446                 };
447         };
448 };
449
450 &pinctrl {
451         sdi0 {
452                 mc0_a_1_default {
453                         default_cfg1 {
454                                 /* GPIO18, 19 & 20 unused so pull down */
455                                 ste,config = <&gpio_in_pd>;
456                         };
457                 };
458         };
459
460         /* This is a reset line for the eMMC */
461         sdi2 {
462                 mc2_a_1_default {
463                         default_cfg2 {
464                                 pins = "GPIO130_C8"; /* FBCLK */
465                                 ste,config = <&gpio_in_pd>;
466                         };
467                 };
468         };
469
470         mcde {
471                 dsi_default_mode: dsi_default {
472                         default_mux1 {
473                                 /* Mux in VSI0 used for DSI TE */
474                                 function = "lcd";
475                                 groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
476                         };
477                         default_cfg1 {
478                                 pins = "GPIO68_E1"; /* VSI0 */
479                                 ste,config = <&in_nopull>;
480                         };
481                 };
482         };
483
484         /* Two GPIO lines used by the display */
485         display {
486                 display_default_mode: display_default {
487                         skomer_cfg1 {
488                                 /*
489                                  * OLED DETECT or check_pba, this appears to be high
490                                  * on "PBA" which I guess is "prototype board A".
491                                  */
492                                 pins = "GPIO93_B7";
493                                 ste,config = <&gpio_in_nopull>;
494                         };
495                         skomer_cfg2 {
496                                 pins = "GPIO139_C9";
497                                 /*
498                                  * MIPI_DSI0_RESET_N resets the display, leave high
499                                  * (de-asserted) so we only assert reset explicitly
500                                  * from the display driver.
501                                  */
502                                 ste,config = <&gpio_out_hi>;
503                         };
504                 };
505         };
506         backlight {
507                 gpio_backlight_default_mode: backlight_default {
508                         skomer_cfg1 {
509                                 pins = "GPIO69_E2"; /* LCD_BL_CTRL */
510                                 ste,config = <&gpio_out_lo>;
511                         };
512                 };
513         };
514         flash {
515                 gpio_flash_default_mode: flash_default {
516                         skomer_cfg1 {
517                                 pins = "GPIO140_B11", "GPIO141_C12";
518                                 ste,config = <&gpio_out_lo>;
519                         };
520                 };
521         };
522         /* GPIO that enables the 2.9V SD card level translator */
523         sd-level-translator {
524                 sd_level_translator_default: sd_level_translator_default {
525                         /* level shifter on GPIO87 */
526                         skomer_cfg1 {
527                                 pins = "GPIO87_B3";
528                                 ste,config = <&gpio_out_hi>;
529                         };
530                 };
531         };
532         /* GPIO that enables the LDO regulator for the eMMC */
533         emmc-ldo {
534                 emmc_ldo_en_default_mode: emmc_ldo_default {
535                         /* LDO enable on GPIO223 */
536                         skomer_cfg1 {
537                                 pins = "GPIO223_AH9";
538                                 ste,config = <&gpio_out_hi>;
539                         };
540                 };
541         };
542         /* GPIO keys */
543         gpio-keys {
544                 gpio_keys_default_mode: gpio_keys_default {
545                         skomer_cfg1 {
546                                 pins = "GPIO67_G2", /* VOL UP */
547                                        "GPIO91_B6", /* HOME */
548                                        "GPIO92_D6", /* VOL DOWN */
549                                        "GPIO204_AF23", /* MENU */
550                                        "GPIO205_AG23"; /* BACK */
551                                         ste,config = <&gpio_in_pu>;
552                         };
553                 };
554         };
555         /* Interrupt line for BMA254 */
556         bma254 {
557                 bma254_skomer_default: bma254_skomer {
558                         skomer_cfg1 {
559                                 pins = "GPIO224_AG9";
560                                 ste,config = <&gpio_in_pd>;
561                         };
562                 };
563         };
564         /* Interrupt line for light/proximity sensor GP2AP002 */
565         gp2ap002 {
566                 gp2ap002_skomer_default: gp2ap002_skomer {
567                         skomer_cfg1 {
568                                 pins = "GPIO146_D13";
569                                 ste,config = <&gpio_in_nopull>;
570                         };
571                 };
572         };
573         /* GPIO-based I2C bus for NCP6914 */
574         i2c-gpio-0 {
575                 i2c_gpio_0_default: i2c_gpio_0 {
576                         skomer_cfg1 {
577                                 pins = "GPIO143_D12", "GPIO144_B13";
578                                 ste,config = <&gpio_in_nopull>;
579                         };
580                 };
581         };
582         /* GPIO-based I2C bus for ALPS HSCD compass */
583         i2c-gpio-1 {
584                 i2c_gpio_1_default: i2c_gpio_1 {
585                         skomer_cfg1 {
586                                 pins = "GPIO151_B17", "GPIO152_D16";
587                                 ste,config = <&gpio_in_nopull>;
588                         };
589                 };
590         };
591         wlan {
592                 wlan_default_mode: wlan_default {
593                         skomer_cfg1 {
594                                 pins = "GPIO216_AG12";
595                                 ste,config = <&gpio_in_pd>;
596                         };
597                 };
598                 wlan_en_default_mode: wlan_en_default {
599                         skomer_cfg2 {
600                                 pins = "GPIO215_AH13";
601                                 ste,config = <&gpio_out_lo>;
602                         };
603                 };
604         };
605         bluetooth {
606                 bluetooth_default_mode: bluetooth_default {
607                         skomer_cfg1 {
608                                 pins = "GPIO199_AH23", "GPIO222_AJ9";
609                                 ste,config = <&gpio_out_lo>;
610                         };
611                         skomer_cfg2 {
612                                 pins = "GPIO97_D9";
613                                 ste,config = <&gpio_in_nopull>;
614                         };
615                 };
616         };
617         vibrator {
618                 vibrator_default: vibrator_default {
619                         skomer_cfg1 {
620                                 pins = "GPIO195_AG28";  /* MOT_EN */
621                                 ste,config = <&gpio_out_lo>;
622                         };
623                 };
624         };
625         /* Interrupt line for the Cypress TMA140 touchscreen */
626         touchscreen {
627                 tma140_skomer_default: tma140_skomer {
628                         skomer_cfg1 {
629                                 pins = "GPIO218_AH11";
630                                 ste,config = <&gpio_in_nopull>;
631                         };
632                 };
633         };
634 };
635
636 &ab8505_gpio {
637         /* Hog a few default settings */
638         pinctrl-names = "default";
639         pinctrl-0 = <&gpio_default>;
640
641         gpio {
642                 gpio_default: gpio_default {
643                         skomer_mux {
644                                 /* Change unused pins to GPIO mode */
645                                 function = "gpio";
646                                 groups = "gpio3_a_1",   /* default: SysClkReq4 */
647                                          "gpio14_a_1";  /* default: PWMOut1 */
648                         };
649                         skomer_cfg1 {
650                                 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
651                                 bias-disable;
652                         };
653                 };
654         };
655 };