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/input/input.h>
12#include <dt-bindings/interrupt-controller/irq.h>
13
14/ {
15	model = "Samsung XCover 2 (GT-S7710)";
16	compatible = "samsung,skomer", "st-ericsson,u8500";
17
18	chosen {
19		stdout-path = &serial2;
20	};
21
22	/* TI TXS0206 level translator for 2.9 V */
23	sd_level_translator: regulator-gpio {
24		compatible = "regulator-fixed";
25
26		/* GPIO87 EN */
27		gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
28		enable-active-high;
29
30		regulator-name = "sd-level-translator";
31		regulator-min-microvolt = <2900000>;
32		regulator-max-microvolt = <2900000>;
33		regulator-type = "voltage";
34
35		startup-delay-us = <200>;
36
37		pinctrl-names = "default";
38		pinctrl-0 = <&sd_level_translator_default>;
39	};
40
41	/* External LDO MIC5366-3.3YMT for eMMC */
42	ldo_3v3_reg: regulator-gpio-ldo-3v3 {
43		compatible = "regulator-fixed";
44		regulator-name = "en-3v3-fixed-supply";
45		regulator-min-microvolt = <3300000>;
46		regulator-max-microvolt = <3300000>;
47		gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
48		startup-delay-us = <5000>;
49		enable-active-high;
50		pinctrl-names = "default";
51		pinctrl-0 = <&emmc_ldo_en_default_mode>;
52	};
53
54	wlan_en: regulator-gpio-wlan-en {
55		compatible = "regulator-fixed";
56		regulator-name = "wl-reg-on";
57		regulator-min-microvolt = <3000000>;
58		regulator-max-microvolt = <3000000>;
59		startup-delay-us = <200000>;
60		/* GPIO215 WLAN_EN */
61		gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
62		enable-active-high;
63		pinctrl-names = "default";
64		pinctrl-0 = <&wlan_en_default_mode>;
65	};
66
67	vibrator {
68		compatible = "gpio-vibrator";
69		enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
70		pinctrl-names = "default";
71		pinctrl-0 = <&vibrator_default>;
72	};
73
74	gpio-keys {
75		compatible = "gpio-keys";
76		pinctrl-names = "default";
77		pinctrl-0 = <&gpio_keys_default_mode>;
78
79		button-home {
80			linux,code = <KEY_HOME>;
81			label = "HOME";
82			/* GPIO91 */
83			gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
84		};
85		button-volup {
86			linux,code = <KEY_VOLUMEUP>;
87			label = "VOL+";
88			/* GPIO67 */
89			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
90		};
91		button-voldown {
92			linux,code = <KEY_VOLUMEDOWN>;
93			label = "VOL-";
94			/* GPIO92 */
95			gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
96		};
97		button-menu {
98			linux,code = <KEY_MENU>;
99			label = "MENU";
100			/* GPIO204 */
101			gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
102		};
103		button-back {
104			linux,code = <KEY_BACK>;
105			label = "BACK";
106			/* GPIO205 */
107			gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
108		};
109	};
110
111	/*
112	 * FIXME: this is not quite GPIO backlight. This is a
113	 * KTD253 one-wire GPIO-controlled backlight. It can
114	 * work as a GPIO backlight.
115	 */
116	gpio_bl: backlight {
117		compatible = "gpio-backlight";
118		/* GPIO 69 */
119		gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
120		pinctrl-names = "default";
121		pinctrl-0 = <&gpio_backlight_default_mode>;
122	};
123
124	i2c-gpio-0 {
125		compatible = "i2c-gpio";
126		sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
127		scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
128		pinctrl-names = "default";
129		pinctrl-0 = <&i2c_gpio_0_default>;
130		#address-cells = <1>;
131		#size-cells = <0>;
132		/* TODO: this should be used by the NCP6914 Camera power management unit */
133	};
134
135	i2c-gpio-1 {
136		compatible = "i2c-gpio";
137		sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
138		scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
139		pinctrl-names = "default";
140		pinctrl-0 = <&i2c_gpio_1_default>;
141		#address-cells = <1>;
142		#size-cells = <0>;
143		magnetometer@c {
144			compatible = "alps,hscdtd008a";
145			reg = <0x0c>;
146			avdd-supply = <&ab8500_ldo_aux1_reg>;
147			dvdd-supply = <&ab8500_ldo_aux8_reg>;
148		};
149	};
150
151	soc {
152		// External Micro SD slot
153		sdi0_per1@80126000 {
154			arm,primecell-periphid = <0x10480180>;
155			max-frequency = <100000000>;
156			bus-width = <4>;
157			cap-sd-highspeed;
158			cap-mmc-highspeed;
159			/* All direction control is used */
160			st,sig-dir-cmd;
161			st,sig-dir-dat0;
162			st,sig-dir-dat2;
163			st,sig-dir-dat31;
164			st,sig-pin-fbclk;
165			full-pwr-cycle;
166			vmmc-supply = <&ab8500_ldo_aux3_reg>;
167			vqmmc-supply = <&sd_level_translator>;
168			pinctrl-names = "default", "sleep";
169			pinctrl-0 = <&mc0_a_1_default>;
170			pinctrl-1 = <&mc0_a_1_sleep>;
171			status = "okay";
172		};
173
174		// WLAN SDIO channel
175		sdi1_per2@80118000 {
176			arm,primecell-periphid = <0x10480180>;
177			max-frequency = <50000000>;
178			bus-width = <4>;
179			non-removable;
180			cap-sd-highspeed;
181			vmmc-supply = <&wlan_en>;
182			pinctrl-names = "default", "sleep";
183			pinctrl-0 = <&mc1_a_2_default>;
184			pinctrl-1 = <&mc1_a_2_sleep>;
185			status = "okay";
186			#address-cells = <1>;
187			#size-cells = <0>;
188
189			wifi@1 {
190				compatible = "brcm,bcm4329-fmac";
191				reg = <1>;
192				/* GPIO216 WL_HOST_WAKE */
193				interrupt-parent = <&gpio6>;
194				interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
195				interrupt-names = "host-wake";
196				pinctrl-names = "default";
197				pinctrl-0 = <&wlan_default_mode>;
198			};
199		};
200
201		// eMMC
202		sdi2_per3@80005000 {
203			arm,primecell-periphid = <0x10480180>;
204		        max-frequency = <100000000>;
205			bus-width = <8>;
206			non-removable;
207			cap-mmc-highspeed;
208			mmc-ddr-1_8v;
209			vmmc-supply = <&ldo_3v3_reg>;
210			pinctrl-names = "default", "sleep";
211			pinctrl-0 = <&mc2_a_1_default>;
212			pinctrl-1 = <&mc2_a_1_sleep>;
213
214			status = "okay";
215		};
216
217		/* GBF (Bluetooth) UART */
218		uart@80120000 {
219			pinctrl-names = "default", "sleep";
220			pinctrl-0 = <&u0_a_1_default>;
221			pinctrl-1 = <&u0_a_1_sleep>;
222			status = "okay";
223
224			/* FIXME: not quite working yet, probably needs regulators */
225			bluetooth {
226				compatible = "brcm,bcm4330-bt";
227				shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
228				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
229				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
230				pinctrl-names = "default";
231				pinctrl-0 = <&bluetooth_default_mode>;
232			};
233		};
234
235		/* GPF UART */
236		uart@80121000 {
237			status = "okay";
238			pinctrl-names = "default", "sleep";
239			pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
240			pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
241		};
242
243		/* Debugging console UART connected to AB8505 USB */
244		uart@80007000 {
245			status = "okay";
246			pinctrl-names = "default", "sleep";
247			pinctrl-0 = <&u2rxtx_c_1_default>;
248			pinctrl-1 = <&u2rxtx_c_1_sleep>;
249		};
250
251		prcmu@80157000 {
252			ab8505 {
253				ab8500_usb {
254					pinctrl-names = "default", "sleep";
255					pinctrl-0 = <&usb_a_1_default>;
256					pinctrl-1 = <&usb_a_1_sleep>;
257				};
258
259				ab8505-regulators {
260					ab8500_ldo_aux1 {
261						/* Used for VDD for sensors */
262						regulator-name = "AUX1";
263						regulator-min-microvolt = <3000000>;
264						regulator-max-microvolt = <3300000>;
265					};
266
267					ab8500_ldo_aux2 {
268						/* Supplies the Cypress TMA140 touchscreen only with 3.3V */
269						regulator-name = "AUX2";
270						regulator-min-microvolt = <3300000>;
271						regulator-max-microvolt = <3300000>;
272					};
273
274					ab8500_ldo_aux3 {
275						/* Used for voltage for external MMC/SD card */
276						regulator-name = "AUX3";
277						regulator-min-microvolt = <1100000>;
278						regulator-max-microvolt = <3300000>;
279					};
280
281					ab8500_ldo_aux4 {
282						regulator-name = "AUX4";
283						/* Hammer to 3.0V for the display */
284						regulator-min-microvolt = <3000000>;
285						regulator-max-microvolt = <3000000>;
286					};
287
288					ab8500_ldo_aux5 {
289						regulator-name = "AUX5";
290						regulator-min-microvolt = <1050000>;
291						regulator-max-microvolt = <2790000>;
292						regulator-always-on;
293					};
294
295					ab8500_ldo_aux6 {
296						regulator-name = "AUX6";
297						/* Hammer to 1.8V for the display */
298						regulator-min-microvolt = <1800000>;
299						regulator-max-microvolt = <1800000>;
300					};
301
302					ab8500_ldo_aux8 {
303						/* Mostly VIO for sensors */
304						regulator-name = "AUX8";
305					};
306				};
307			};
308		};
309
310		/* I2C0 */
311		i2c@80004000 {
312			status = "okay";
313
314			pinctrl-names = "default", "sleep";
315			pinctrl-0 = <&i2c0_a_1_default>;
316			pinctrl-1 = <&i2c0_a_1_sleep>;
317
318			proximity@44 {
319				compatible = "sharp,gp2ap002s00f";
320				clock-frequency = <400000>;
321				reg = <0x44>;
322
323				interrupt-parent = <&gpio4>;
324				interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
325				vdd-supply = <&ab8500_ldo_aux1_reg>;
326				vio-supply = <&ab8500_ldo_aux8_reg>;
327				pinctrl-names = "default";
328				pinctrl-0 = <&gp2ap002_skomer_default>;
329				sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
330				sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
331			};
332		};
333
334
335		/* I2C2 */
336		i2c@80128000 {
337			status = "okay";
338
339			pinctrl-names = "default", "sleep";
340			pinctrl-0 = <&i2c2_b_2_default>;
341			pinctrl-1 = <&i2c2_b_2_sleep>;
342
343			accel@18 {
344				compatible = "bosch,bma254";
345				clock-frequency = <400000>;
346				reg = <0x18>;
347
348				/* GPIO224 used as "smart alert" interrupt */
349				interrupt-parent = <&gpio7>;
350				interrupts = <0 IRQ_TYPE_EDGE_RISING>;
351
352				mount-matrix = "0", "-1", "0",
353					      "1", "0", "0",
354					       "0", "0", "1";
355				vdd-supply = <&ab8500_ldo_aux1_reg>;
356				vddio-supply = <&ab8500_ldo_aux8_reg>;
357				pinctrl-names = "default";
358				pinctrl-0 = <&bma254_skomer_default>;
359			};
360		};
361
362		/* I2C3 */
363		i2c@80110000 {
364			status = "okay";
365
366			pinctrl-names = "default", "sleep";
367			pinctrl-0 = <&i2c3_c_2_default>;
368			pinctrl-1 = <&i2c3_c_2_sleep>;
369
370			/* Cypress CY8CTMA140 touchscreen */
371			touchscreen@20 {
372				compatible = "cypress,cy8ctma140";
373				clock-frequency = <400000>;
374				reg = <0x20>;
375
376				touchscreen-size-x = <480>;
377				touchscreen-size-y = <800>;
378				touchscreen-max-pressure = <255>;
379
380				/* GPIO218 for IRQ */
381				interrupt-parent = <&gpio6>;
382				interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
383
384				/* VDD is "digital supply" nominally 1.71-3.6V */
385				vdd-supply = <&ab8500_ldo_aux2_reg>;
386				/* VCPIN is "analog supply", 2.7-3.6 V */
387				vcpin-supply = <&ab8500_ldo_aux2_reg>;
388
389				pinctrl-names = "default";
390				pinctrl-0 = <&tma140_skomer_default>;
391			};
392		};
393
394		mcde@a0350000 {
395			status = "okay";
396			pinctrl-names = "default";
397			pinctrl-0 = <&dsi_default_mode>;
398
399			dsi-controller@a0351000 {
400				panel {
401					/* NT35510-based Hydis HVA40WV1 */
402					compatible = "hydis,hva40wv1", "novatek,nt35510";
403					reg = <0>;
404					/* v_lcd_3v0 2.3-4.8V */
405					vdd-supply = <&ab8500_ldo_aux4_reg>;
406					/* v_lcd_1v8 1.65-3.3V */
407					vddi-supply = <&ab8500_ldo_aux6_reg>;
408					/* GPIO 139 */
409					reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
410					pinctrl-names = "default";
411					pinctrl-0 = <&display_default_mode>;
412					backlight = <&gpio_bl>;
413				};
414			};
415		};
416	};
417};
418
419&pinctrl {
420	/*
421	 * This extends the MC0 default config to include DAT32DIR
422	 * which is used by this machine. If we don't do this the
423	 * SD card does not work.
424	 */
425	sdi0 {
426		mc0_a_1_default {
427			default_mux {
428				function = "mc0";
429				/* This machine uses the DAT31 pin */
430				groups = "mc0_a_1", "mc0dat31dir_a_1";
431			};
432			default_cfg5 {
433				pins = "GPIO21_AB3"; /* DAT31DIR */
434				ste,config = <&out_hi>;
435			};
436		};
437	};
438
439	mcde {
440		dsi_default_mode: dsi_default {
441			default_mux1 {
442				/* Mux in VSI0 used for DSI TE */
443				function = "lcd";
444				groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
445			};
446			default_cfg1 {
447				pins = "GPIO68_E1"; /* VSI0 */
448				ste,config = <&in_nopull>;
449			};
450		};
451	};
452
453	/* Two GPIO lines used by the display */
454	display {
455		display_default_mode: display_default {
456			skomer_cfg1 {
457				/*
458				 * OLED DETECT or check_pba, this appears to be high
459				 * on "PBA" which I guess is "prototype board A".
460				 */
461				pins = "GPIO93_B7";
462				ste,config = <&gpio_in_nopull>;
463			};
464			skomer_cfg2 {
465				pins = "GPIO139_C9";
466				/*
467				 * MIPI_DSI0_RESET_N resets the display, leave high
468				 * (de-asserted) so we only assert reset explicitly
469				 * from the display driver.
470				 */
471				ste,config = <&gpio_out_hi>;
472			};
473		};
474	};
475	backlight {
476		gpio_backlight_default_mode: backlight_default {
477			skomer_cfg1 {
478				pins = "GPIO69_E2"; /* LCD_BL_CTRL */
479				ste,config = <&gpio_out_lo>;
480			};
481		};
482	};
483	/* GPIO that enables the 2.9V SD card level translator */
484	sd-level-translator {
485		sd_level_translator_default: sd_level_translator_default {
486			/* level shifter on GPIO87 */
487			skomer_cfg1 {
488				pins = "GPIO87_B3";
489				ste,config = <&gpio_out_hi>;
490			};
491		};
492	};
493	/* GPIO that enables the LDO regulator for the eMMC */
494	emmc-ldo {
495		emmc_ldo_en_default_mode: emmc_ldo_default {
496			/* LDO enable on GPIO223 */
497			skomer_cfg1 {
498				pins = "GPIO223_AH9";
499				ste,config = <&gpio_out_hi>;
500			};
501		};
502	};
503	/* GPIO keys */
504	gpio-keys {
505		gpio_keys_default_mode: gpio_keys_default {
506			skomer_cfg1 {
507				pins = "GPIO67_G2", /* VOL UP */
508				       "GPIO91_B6", /* HOME */
509				       "GPIO92_D6", /* VOL DOWN */
510				       "GPIO204_AF23", /* MENU */
511				       "GPIO205_AG23"; /* BACK */
512					ste,config = <&gpio_in_pu>;
513			};
514		};
515	};
516	/* Interrupt line for BMA254 */
517	bma254 {
518		bma254_skomer_default: bma254_skomer {
519			skomer_cfg1 {
520				pins = "GPIO224_AG9";
521				ste,config = <&gpio_in_pd>;
522			};
523		};
524	};
525	/* Interrupt line for light/proximity sensor GP2AP002 */
526	gp2ap002 {
527		gp2ap002_skomer_default: gp2ap002_skomer {
528			skomer_cfg1 {
529				pins = "GPIO146_D13";
530				ste,config = <&gpio_in_nopull>;
531			};
532		};
533	};
534	/* GPIO-based I2C bus for NCP6914 */
535	i2c-gpio-0 {
536		i2c_gpio_0_default: i2c_gpio_0 {
537			skomer_cfg1 {
538				pins = "GPIO143_D12", "GPIO144_B13";
539				ste,config = <&gpio_in_nopull>;
540			};
541		};
542	};
543	/* GPIO-based I2C bus for ALPS HSCD compass */
544	i2c-gpio-1 {
545		i2c_gpio_1_default: i2c_gpio_1 {
546			skomer_cfg1 {
547				pins = "GPIO151_B17", "GPIO152_D16";
548				ste,config = <&gpio_in_nopull>;
549			};
550		};
551	};
552	wlan {
553		wlan_default_mode: wlan_default {
554			skomer_cfg1 {
555				pins = "GPIO216_AG12";
556				ste,config = <&gpio_in_pd>;
557			};
558		};
559		wlan_en_default_mode: wlan_en_default {
560			skomer_cfg2 {
561				pins = "GPIO215_AH13";
562				ste,config = <&gpio_out_lo>;
563			};
564		};
565	};
566	bluetooth {
567		bluetooth_default_mode: bluetooth_default {
568			skomer_cfg1 {
569				pins = "GPIO199_AH23", "GPIO222_AJ9";
570				ste,config = <&gpio_out_lo>;
571			};
572			skomer_cfg2 {
573				pins = "GPIO97_D9";
574				ste,config = <&gpio_in_nopull>;
575			};
576		};
577	};
578	vibrator {
579		vibrator_default: vibrator_default {
580			skomer_cfg1 {
581				pins = "GPIO195_AG28";	/* MOT_EN */
582				ste,config = <&gpio_out_lo>;
583			};
584		};
585	};
586	/* Interrupt line for the Cypress TMA140 touchscreen */
587	touchscreen {
588		tma140_skomer_default: tma140_skomer {
589			skomer_cfg1 {
590				pins = "GPIO218_AH11";
591				ste,config = <&gpio_in_nopull>;
592			};
593		};
594	};
595};
596
597&ab8505_gpio {
598	/* Hog a few default settings */
599	pinctrl-names = "default";
600	pinctrl-0 = <&gpio_default>;
601
602	gpio {
603		gpio_default: gpio_default {
604			skomer_mux {
605				/* Change unused pins to GPIO mode */
606				function = "gpio";
607				groups = "gpio3_a_1",	/* default: SysClkReq4 */
608					 "gpio14_a_1";	/* default: PWMOut1 */
609			};
610			skomer_cfg1 {
611				pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
612				bias-disable;
613			};
614		};
615	};
616};
617