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	/* TI TXS0206 level translator for 2.9 V */
24	sd_level_translator: regulator-gpio {
25		compatible = "regulator-fixed";
26
27		/* GPIO87 EN */
28		gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
29		enable-active-high;
30
31		regulator-name = "sd-level-translator";
32		regulator-min-microvolt = <2900000>;
33		regulator-max-microvolt = <2900000>;
34		regulator-type = "voltage";
35
36		startup-delay-us = <200>;
37
38		pinctrl-names = "default";
39		pinctrl-0 = <&sd_level_translator_default>;
40	};
41
42	/* External LDO MIC5366-3.3YMT for eMMC */
43	ldo_3v3_reg: regulator-gpio-ldo-3v3 {
44		compatible = "regulator-fixed";
45		regulator-name = "en-3v3-fixed-supply";
46		regulator-min-microvolt = <3300000>;
47		regulator-max-microvolt = <3300000>;
48		gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
49		startup-delay-us = <5000>;
50		enable-active-high;
51		pinctrl-names = "default";
52		pinctrl-0 = <&emmc_ldo_en_default_mode>;
53	};
54
55	wlan_en: regulator-gpio-wlan-en {
56		compatible = "regulator-fixed";
57		regulator-name = "wl-reg-on";
58		regulator-min-microvolt = <3000000>;
59		regulator-max-microvolt = <3000000>;
60		startup-delay-us = <200000>;
61		/* GPIO215 WLAN_EN */
62		gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
63		enable-active-high;
64		pinctrl-names = "default";
65		pinctrl-0 = <&wlan_en_default_mode>;
66	};
67
68	vibrator {
69		compatible = "gpio-vibrator";
70		enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
71		pinctrl-names = "default";
72		pinctrl-0 = <&vibrator_default>;
73	};
74
75	gpio-keys {
76		compatible = "gpio-keys";
77		pinctrl-names = "default";
78		pinctrl-0 = <&gpio_keys_default_mode>;
79
80		button-home {
81			linux,code = <KEY_HOME>;
82			label = "HOME";
83			/* GPIO91 */
84			gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
85		};
86		button-volup {
87			linux,code = <KEY_VOLUMEUP>;
88			label = "VOL+";
89			/* GPIO67 */
90			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
91		};
92		button-voldown {
93			linux,code = <KEY_VOLUMEDOWN>;
94			label = "VOL-";
95			/* GPIO92 */
96			gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
97		};
98		button-menu {
99			linux,code = <KEY_MENU>;
100			label = "MENU";
101			/* GPIO204 */
102			gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
103		};
104		button-back {
105			linux,code = <KEY_BACK>;
106			label = "BACK";
107			/* GPIO205 */
108			gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
109		};
110	};
111
112	ktd253: backlight {
113		compatible = "kinetic,ktd253";
114		/* GPIO 69 */
115		enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
116		/* Default to 13/32 brightness */
117		default-brightness = <13>;
118		pinctrl-names = "default";
119		pinctrl-0 = <&gpio_backlight_default_mode>;
120	};
121
122	/* Richtek RT8515GQW Flash LED Driver IC */
123	flash {
124		compatible = "richtek,rt8515";
125		/* GPIO 140 */
126		enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
127		/* GPIO 141 */
128		ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
129		/*
130		 * RFS is 16 kOhm and RTS is 100 kOhm giving
131		 * the flash max current 343mA and torch max
132		 * current 55 mA.
133		 */
134		richtek,rfs-ohms = <16000>;
135		richtek,rts-ohms = <100000>;
136		pinctrl-names = "default";
137		pinctrl-0 = <&gpio_flash_default_mode>;
138
139		led {
140			function = LED_FUNCTION_FLASH;
141			color = <LED_COLOR_ID_WHITE>;
142			flash-max-timeout-us = <250000>;
143			flash-max-microamp = <343750>;
144			led-max-microamp = <55000>;
145		};
146	};
147
148	i2c-gpio-0 {
149		compatible = "i2c-gpio";
150		sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
151		scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
152		pinctrl-names = "default";
153		pinctrl-0 = <&i2c_gpio_0_default>;
154		#address-cells = <1>;
155		#size-cells = <0>;
156		/* TODO: this should be used by the NCP6914 Camera power management unit */
157	};
158
159	i2c-gpio-1 {
160		compatible = "i2c-gpio";
161		sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
162		scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
163		pinctrl-names = "default";
164		pinctrl-0 = <&i2c_gpio_1_default>;
165		#address-cells = <1>;
166		#size-cells = <0>;
167		magnetometer@c {
168			compatible = "alps,hscdtd008a";
169			reg = <0x0c>;
170			avdd-supply = <&ab8500_ldo_aux1_reg>;
171			dvdd-supply = <&ab8500_ldo_aux8_reg>;
172		};
173	};
174
175	soc {
176		// External Micro SD slot
177		mmc@80126000 {
178			arm,primecell-periphid = <0x10480180>;
179			max-frequency = <100000000>;
180			bus-width = <4>;
181			cap-sd-highspeed;
182			cap-mmc-highspeed;
183			/* All direction control is used */
184			st,sig-dir-cmd;
185			st,sig-dir-dat0;
186			st,sig-dir-dat2;
187			st,sig-dir-dat31;
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,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		// eMMC
226		mmc@80005000 {
227			arm,primecell-periphid = <0x10480180>;
228		        max-frequency = <100000000>;
229			bus-width = <8>;
230			non-removable;
231			cap-mmc-highspeed;
232			mmc-ddr-1_8v;
233			vmmc-supply = <&ldo_3v3_reg>;
234			pinctrl-names = "default", "sleep";
235			pinctrl-0 = <&mc2_a_1_default>;
236			pinctrl-1 = <&mc2_a_1_sleep>;
237
238			status = "okay";
239		};
240
241		/* GBF (Bluetooth) UART */
242		uart@80120000 {
243			pinctrl-names = "default", "sleep";
244			pinctrl-0 = <&u0_a_1_default>;
245			pinctrl-1 = <&u0_a_1_sleep>;
246			status = "okay";
247
248			/* FIXME: not quite working yet, probably needs regulators */
249			bluetooth {
250				compatible = "brcm,bcm4330-bt";
251				shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
252				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
253				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
254				pinctrl-names = "default";
255				pinctrl-0 = <&bluetooth_default_mode>;
256			};
257		};
258
259		/* GPF UART */
260		uart@80121000 {
261			status = "okay";
262			pinctrl-names = "default", "sleep";
263			pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
264			pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
265		};
266
267		/* Debugging console UART connected to AB8505 USB */
268		uart@80007000 {
269			status = "okay";
270			pinctrl-names = "default", "sleep";
271			pinctrl-0 = <&u2rxtx_c_1_default>;
272			pinctrl-1 = <&u2rxtx_c_1_sleep>;
273		};
274
275		prcmu@80157000 {
276			ab8505 {
277				ab8500_usb {
278					pinctrl-names = "default", "sleep";
279					pinctrl-0 = <&usb_a_1_default>;
280					pinctrl-1 = <&usb_a_1_sleep>;
281				};
282
283				ab8505-regulators {
284					ab8500_ldo_aux1 {
285						/* Used for VDD for sensors */
286						regulator-name = "AUX1";
287						regulator-min-microvolt = <3000000>;
288						regulator-max-microvolt = <3300000>;
289					};
290
291					ab8500_ldo_aux2 {
292						/* Supplies the Cypress TMA140 touchscreen only with 3.3V */
293						regulator-name = "AUX2";
294						regulator-min-microvolt = <3300000>;
295						regulator-max-microvolt = <3300000>;
296					};
297
298					ab8500_ldo_aux3 {
299						/* Used for voltage for external MMC/SD card */
300						regulator-name = "AUX3";
301						regulator-min-microvolt = <1100000>;
302						regulator-max-microvolt = <3300000>;
303					};
304
305					ab8500_ldo_aux4 {
306						regulator-name = "AUX4";
307						/* Hammer to 3.0V for the display */
308						regulator-min-microvolt = <3000000>;
309						regulator-max-microvolt = <3000000>;
310					};
311
312					ab8500_ldo_aux5 {
313						regulator-name = "AUX5";
314						regulator-min-microvolt = <1050000>;
315						regulator-max-microvolt = <2790000>;
316						regulator-always-on;
317					};
318
319					ab8500_ldo_aux6 {
320						regulator-name = "AUX6";
321						/* Hammer to 1.8V for the display */
322						regulator-min-microvolt = <1800000>;
323						regulator-max-microvolt = <1800000>;
324					};
325
326					ab8500_ldo_aux8 {
327						/* Mostly VIO for sensors */
328						regulator-name = "AUX8";
329					};
330				};
331			};
332		};
333
334		/* I2C0 */
335		i2c@80004000 {
336			status = "okay";
337
338			pinctrl-names = "default", "sleep";
339			pinctrl-0 = <&i2c0_a_1_default>;
340			pinctrl-1 = <&i2c0_a_1_sleep>;
341
342			proximity@44 {
343				compatible = "sharp,gp2ap002s00f";
344				clock-frequency = <400000>;
345				reg = <0x44>;
346
347				interrupt-parent = <&gpio4>;
348				interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
349				vdd-supply = <&ab8500_ldo_aux1_reg>;
350				vio-supply = <&ab8500_ldo_aux8_reg>;
351				pinctrl-names = "default";
352				pinctrl-0 = <&gp2ap002_skomer_default>;
353				sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
354				sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
355			};
356		};
357
358
359		/* I2C2 */
360		i2c@80128000 {
361			status = "okay";
362
363			pinctrl-names = "default", "sleep";
364			pinctrl-0 = <&i2c2_b_2_default>;
365			pinctrl-1 = <&i2c2_b_2_sleep>;
366
367			accel@18 {
368				compatible = "bosch,bma254";
369				clock-frequency = <400000>;
370				reg = <0x18>;
371
372				/* GPIO224 used as "smart alert" interrupt */
373				interrupt-parent = <&gpio7>;
374				interrupts = <0 IRQ_TYPE_EDGE_RISING>;
375
376				mount-matrix = "0", "-1", "0",
377					      "1", "0", "0",
378					       "0", "0", "1";
379				vdd-supply = <&ab8500_ldo_aux1_reg>;
380				vddio-supply = <&ab8500_ldo_aux8_reg>;
381				pinctrl-names = "default";
382				pinctrl-0 = <&bma254_skomer_default>;
383			};
384		};
385
386		/* I2C3 */
387		i2c@80110000 {
388			status = "okay";
389
390			pinctrl-names = "default", "sleep";
391			pinctrl-0 = <&i2c3_c_2_default>;
392			pinctrl-1 = <&i2c3_c_2_sleep>;
393
394			/* Cypress CY8CTMA140 touchscreen */
395			touchscreen@20 {
396				compatible = "cypress,cy8ctma140";
397				clock-frequency = <400000>;
398				reg = <0x20>;
399
400				touchscreen-size-x = <480>;
401				touchscreen-size-y = <800>;
402				touchscreen-max-pressure = <255>;
403
404				/* GPIO218 for IRQ */
405				interrupt-parent = <&gpio6>;
406				interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
407
408				/* VDD is "digital supply" nominally 1.71-3.6V */
409				vdd-supply = <&ab8500_ldo_aux2_reg>;
410				/* VCPIN is "analog supply", 2.7-3.6 V */
411				vcpin-supply = <&ab8500_ldo_aux2_reg>;
412
413				pinctrl-names = "default";
414				pinctrl-0 = <&tma140_skomer_default>;
415			};
416		};
417
418		mcde@a0350000 {
419			status = "okay";
420			pinctrl-names = "default";
421			pinctrl-0 = <&dsi_default_mode>;
422
423			dsi@a0351000 {
424				panel {
425					/* NT35510-based Hydis HVA40WV1 */
426					compatible = "hydis,hva40wv1", "novatek,nt35510";
427					reg = <0>;
428					/* v_lcd_3v0 2.3-4.8V */
429					vdd-supply = <&ab8500_ldo_aux4_reg>;
430					/* v_lcd_1v8 1.65-3.3V */
431					vddi-supply = <&ab8500_ldo_aux6_reg>;
432					/* GPIO 139 */
433					reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
434					pinctrl-names = "default";
435					pinctrl-0 = <&display_default_mode>;
436					backlight = <&ktd253>;
437				};
438			};
439		};
440	};
441};
442
443&pinctrl {
444	/*
445	 * This extends the MC0 default config to include DAT32DIR
446	 * which is used by this machine. If we don't do this the
447	 * SD card does not work.
448	 */
449	sdi0 {
450		mc0_a_1_default {
451			default_mux {
452				function = "mc0";
453				/* This machine uses the DAT31 pin */
454				groups = "mc0_a_1", "mc0dat31dir_a_1";
455			};
456			default_cfg5 {
457				pins = "GPIO21_AB3"; /* DAT31DIR */
458				ste,config = <&out_hi>;
459			};
460		};
461	};
462
463	/* The unused FBCLK needs to be pulled down on this machine */
464	sdi2 {
465		mc2_a_1_default {
466			default_cfg2 {
467				pins = "GPIO130_C8"; /* FBCLK */
468				ste,config = <&in_pd>;
469			};
470		};
471	};
472
473	mcde {
474		dsi_default_mode: dsi_default {
475			default_mux1 {
476				/* Mux in VSI0 used for DSI TE */
477				function = "lcd";
478				groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
479			};
480			default_cfg1 {
481				pins = "GPIO68_E1"; /* VSI0 */
482				ste,config = <&in_nopull>;
483			};
484		};
485	};
486
487	/* Two GPIO lines used by the display */
488	display {
489		display_default_mode: display_default {
490			skomer_cfg1 {
491				/*
492				 * OLED DETECT or check_pba, this appears to be high
493				 * on "PBA" which I guess is "prototype board A".
494				 */
495				pins = "GPIO93_B7";
496				ste,config = <&gpio_in_nopull>;
497			};
498			skomer_cfg2 {
499				pins = "GPIO139_C9";
500				/*
501				 * MIPI_DSI0_RESET_N resets the display, leave high
502				 * (de-asserted) so we only assert reset explicitly
503				 * from the display driver.
504				 */
505				ste,config = <&gpio_out_hi>;
506			};
507		};
508	};
509	backlight {
510		gpio_backlight_default_mode: backlight_default {
511			skomer_cfg1 {
512				pins = "GPIO69_E2"; /* LCD_BL_CTRL */
513				ste,config = <&gpio_out_lo>;
514			};
515		};
516	};
517	flash {
518		gpio_flash_default_mode: flash_default {
519			skomer_cfg1 {
520				pins = "GPIO140_B11", "GPIO141_C12";
521				ste,config = <&gpio_out_lo>;
522			};
523		};
524	};
525	/* GPIO that enables the 2.9V SD card level translator */
526	sd-level-translator {
527		sd_level_translator_default: sd_level_translator_default {
528			/* level shifter on GPIO87 */
529			skomer_cfg1 {
530				pins = "GPIO87_B3";
531				ste,config = <&gpio_out_hi>;
532			};
533		};
534	};
535	/* GPIO that enables the LDO regulator for the eMMC */
536	emmc-ldo {
537		emmc_ldo_en_default_mode: emmc_ldo_default {
538			/* LDO enable on GPIO223 */
539			skomer_cfg1 {
540				pins = "GPIO223_AH9";
541				ste,config = <&gpio_out_hi>;
542			};
543		};
544	};
545	/* GPIO keys */
546	gpio-keys {
547		gpio_keys_default_mode: gpio_keys_default {
548			skomer_cfg1 {
549				pins = "GPIO67_G2", /* VOL UP */
550				       "GPIO91_B6", /* HOME */
551				       "GPIO92_D6", /* VOL DOWN */
552				       "GPIO204_AF23", /* MENU */
553				       "GPIO205_AG23"; /* BACK */
554					ste,config = <&gpio_in_pu>;
555			};
556		};
557	};
558	/* Interrupt line for BMA254 */
559	bma254 {
560		bma254_skomer_default: bma254_skomer {
561			skomer_cfg1 {
562				pins = "GPIO224_AG9";
563				ste,config = <&gpio_in_pd>;
564			};
565		};
566	};
567	/* Interrupt line for light/proximity sensor GP2AP002 */
568	gp2ap002 {
569		gp2ap002_skomer_default: gp2ap002_skomer {
570			skomer_cfg1 {
571				pins = "GPIO146_D13";
572				ste,config = <&gpio_in_nopull>;
573			};
574		};
575	};
576	/* GPIO-based I2C bus for NCP6914 */
577	i2c-gpio-0 {
578		i2c_gpio_0_default: i2c_gpio_0 {
579			skomer_cfg1 {
580				pins = "GPIO143_D12", "GPIO144_B13";
581				ste,config = <&gpio_in_nopull>;
582			};
583		};
584	};
585	/* GPIO-based I2C bus for ALPS HSCD compass */
586	i2c-gpio-1 {
587		i2c_gpio_1_default: i2c_gpio_1 {
588			skomer_cfg1 {
589				pins = "GPIO151_B17", "GPIO152_D16";
590				ste,config = <&gpio_in_nopull>;
591			};
592		};
593	};
594	wlan {
595		wlan_default_mode: wlan_default {
596			skomer_cfg1 {
597				pins = "GPIO216_AG12";
598				ste,config = <&gpio_in_pd>;
599			};
600		};
601		wlan_en_default_mode: wlan_en_default {
602			skomer_cfg2 {
603				pins = "GPIO215_AH13";
604				ste,config = <&gpio_out_lo>;
605			};
606		};
607	};
608	bluetooth {
609		bluetooth_default_mode: bluetooth_default {
610			skomer_cfg1 {
611				pins = "GPIO199_AH23", "GPIO222_AJ9";
612				ste,config = <&gpio_out_lo>;
613			};
614			skomer_cfg2 {
615				pins = "GPIO97_D9";
616				ste,config = <&gpio_in_nopull>;
617			};
618		};
619	};
620	vibrator {
621		vibrator_default: vibrator_default {
622			skomer_cfg1 {
623				pins = "GPIO195_AG28";	/* MOT_EN */
624				ste,config = <&gpio_out_lo>;
625			};
626		};
627	};
628	/* Interrupt line for the Cypress TMA140 touchscreen */
629	touchscreen {
630		tma140_skomer_default: tma140_skomer {
631			skomer_cfg1 {
632				pins = "GPIO218_AH11";
633				ste,config = <&gpio_in_nopull>;
634			};
635		};
636	};
637};
638
639&ab8505_gpio {
640	/* Hog a few default settings */
641	pinctrl-names = "default";
642	pinctrl-0 = <&gpio_default>;
643
644	gpio {
645		gpio_default: gpio_default {
646			skomer_mux {
647				/* Change unused pins to GPIO mode */
648				function = "gpio";
649				groups = "gpio3_a_1",	/* default: SysClkReq4 */
650					 "gpio14_a_1";	/* default: PWMOut1 */
651			};
652			skomer_cfg1 {
653				pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
654				bias-disable;
655			};
656		};
657	};
658};
659