xref: /linux/arch/arm/boot/dts/st/ste-ux500-samsung-gavini.dts (revision eed4edda910fe34dfae8c6bfbcf57f4593a54295)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
4 */
5
6/dts-v1/;
7#include "ste-db8500.dtsi"
8#include "ste-ab8500.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 Galaxy Beam (GT-I8530)";
17	compatible = "samsung,gavini", "st-ericsson,u8500";
18
19	chosen {
20		stdout-path = &serial2;
21	};
22
23	battery: battery {
24		compatible = "samsung,eb585157lu";
25	};
26
27	thermal-zones {
28		battery-thermal {
29			/* This zone will be polled by the battery temperature code */
30			polling-delay = <0>;
31			polling-delay-passive = <0>;
32			thermal-sensors = <&bat_therm>;
33
34			trips {
35				battery-crit-hi {
36					temperature = <70000>;
37					hysteresis = <2000>;
38					type = "critical";
39				};
40			};
41		};
42	};
43
44	bat_therm: thermistor {
45		compatible = "samsung,1404-001221";
46		io-channels = <&gpadc 0x02>; /* BatTemp */
47		pullup-uv = <1800000>;
48		pullup-ohm = <230000>;
49		pulldown-ohm = <0>;
50		#thermal-sensor-cells = <0>;
51	};
52
53	/* TI TXS0206 level translator for 2.9 V */
54	sd_level_translator: regulator-gpio {
55		compatible = "regulator-fixed";
56
57		/* GPIO193 EN */
58		gpios = <&gpio6 1 GPIO_ACTIVE_HIGH>;
59		enable-active-high;
60
61		regulator-name = "sd-level-translator";
62		regulator-min-microvolt = <2900000>;
63		regulator-max-microvolt = <2900000>;
64		regulator-type = "voltage";
65
66		startup-delay-us = <200>;
67
68		pinctrl-names = "default";
69		pinctrl-0 = <&sd_level_translator_default>;
70	};
71
72	/* External LDO for eMMC LDO VMEM_3V3 controlled by GPIO6 */
73	ldo_3v3_reg: regulator-gpio-ldo-3v3 {
74		compatible = "regulator-fixed";
75		/* Supplied in turn by VBAT */
76		regulator-name = "VMEM_3V3";
77		regulator-min-microvolt = <3300000>;
78		regulator-max-microvolt = <3300000>;
79		gpio = <&gpio0 6 GPIO_ACTIVE_HIGH>;
80		startup-delay-us = <5000>; // FIXME
81		enable-active-high;
82		pinctrl-names = "default";
83		pinctrl-0 = <&emmc_ldo_en_default_mode>;
84	};
85
86	/*
87	 * External Ricoh "TSP" regulator for the touchscreen.
88	 * One GPIO line controls two voltages of 3.3V and 1.8V
89	 * this line is known as "TSP_LDO_ON1" in the schematics.
90	 */
91	ldo_tsp_3v3_reg: regulator-gpio-tsp-ldo-3v3 {
92		compatible = "regulator-fixed";
93		/* Supplied in turn by VBAT */
94		regulator-name = "LDO_TSP_A3V3";
95		regulator-min-microvolt = <3300000>;
96		regulator-max-microvolt = <3300000>;
97		/* GPIO94 controls this regulator */
98		gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
99		/* 70 ms power-on delay */
100		startup-delay-us = <70000>;
101		enable-active-high;
102		pinctrl-names = "default";
103		pinctrl-0 = <&tsp_ldo_en_default_mode>;
104	};
105	ldo_tsp_1v8_reg: regulator-gpio-tsp-ldo-1v8 {
106		compatible = "regulator-fixed";
107		/* Supplied in turn by VBAT */
108		regulator-name = "VREG_TSP_1V8";
109		regulator-min-microvolt = <1800000>;
110		regulator-max-microvolt = <1800000>;
111		/* GPIO94 controls this regulator */
112		gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
113		/* 70 ms power-on delay */
114		startup-delay-us = <70000>;
115		enable-active-high;
116		pinctrl-names = "default";
117		pinctrl-0 = <&tsp_ldo_en_default_mode>;
118	};
119
120	/*
121	 * External Ricoh RP152L010B-TR LCD LDO regulator for the display.
122	 * LCD_PWR_EN controls both a 3.0V and 1.8V output.
123	 */
124	lcd_3v0_reg: regulator-gpio-lcd-3v0 {
125		compatible = "regulator-fixed";
126		/* Supplied in turn by VBAT */
127		regulator-name = "VREG_LCD_3V0";
128		regulator-min-microvolt = <3000000>;
129		regulator-max-microvolt = <3000000>;
130		/* GPIO219 controls this regulator */
131		gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
132		enable-active-high;
133		pinctrl-names = "default";
134		pinctrl-0 = <&lcd_pwr_en_default_mode>;
135	};
136	lcd_1v8_reg: regulator-gpio-lcd-1v8 {
137		compatible = "regulator-fixed";
138		/* Supplied in turn by VBAT */
139		regulator-name = "VREG_LCD_1V8";
140		regulator-min-microvolt = <1800000>;
141		regulator-max-microvolt = <1800000>;
142		/* GPIO219 controls this regulator too */
143		gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
144		enable-active-high;
145		pinctrl-names = "default";
146		pinctrl-0 = <&lcd_pwr_en_default_mode>;
147	};
148
149	/*
150	 * This regulator is a GPIO line that drives the Broadcom WLAN
151	 * line WL_REG_ON high and enables the internal regulators
152	 * inside the chip. Unfortunatley it is erroneously named
153	 * WLAN_RST_N on the schematic but it is not a reset line.
154	 *
155	 * The voltage specified here is only used to determine the OCR mask,
156	 * the for the SDIO connector, the chip is actually connected
157	 * directly to VBAT.
158	 */
159	wl_reg: regulator-gpio-wlan {
160		compatible = "regulator-fixed";
161		regulator-name = "WL_REG_ON";
162		regulator-min-microvolt = <3000000>;
163		regulator-max-microvolt = <3000000>;
164		startup-delay-us = <100000>;
165		/* GPIO215 (WLAN_RST_N to WL_REG_ON) */
166		gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
167		enable-active-high;
168		pinctrl-names = "default";
169		pinctrl-0 = <&wlan_ldo_en_default>;
170	};
171
172	gpio-keys {
173		compatible = "gpio-keys";
174		pinctrl-names = "default";
175		pinctrl-0 = <&gpio_keys_default_mode>;
176
177		button-projector {
178			linux,code = <KEY_SWITCHVIDEOMODE>;
179			label = "Projector";
180			/* GPIO32 "Projector On HotKey" */
181			gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
182		};
183		button-home {
184			linux,code = <KEY_HOME>;
185			label = "HOME";
186			/* GPIO91 */
187			gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
188		};
189		button-volup {
190			linux,code = <KEY_VOLUMEUP>;
191			label = "VOL+";
192			/* GPIO67 */
193			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
194		};
195		button-voldown {
196			linux,code = <KEY_VOLUMEDOWN>;
197			label = "VOL-";
198			/* GPIO92 */
199			gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
200		};
201	};
202
203	/* Richtek RT8515GQW Flash LED Driver IC */
204	flash {
205		compatible = "richtek,rt8515";
206		/* GPIO 140 */
207		enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
208		/* GPIO 141 */
209		ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
210		/*
211		 * RFS is 16 kOhm and RTS is 100 kOhm giving
212		 * the flash max current 343mA and torch max
213		 * current 55 mA.
214		 */
215		richtek,rfs-ohms = <16000>;
216		richtek,rts-ohms = <100000>;
217		pinctrl-names = "default";
218		pinctrl-0 = <&gpio_flash_default_mode>;
219
220		led {
221			function = LED_FUNCTION_FLASH;
222			color = <LED_COLOR_ID_WHITE>;
223			flash-max-timeout-us = <250000>;
224			flash-max-microamp = <343750>;
225			led-max-microamp = <55000>;
226		};
227	};
228
229	gpio-leds {
230		compatible = "gpio-leds";
231		pinctrl-names = "default";
232		pinctrl-0 = <&gpio_leds_default_mode>;
233		used-led {
234			label = "touchkeys";
235			/* GPIO68 */
236			gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
237			default-state = "on";
238		};
239	};
240
241	ktd259: backlight {
242		compatible = "kinetic,ktd259";
243		/* GPIO20 */
244		enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
245		/* Default to 13/32 brightness */
246		default-brightness = <13>;
247		pinctrl-names = "default";
248		pinctrl-0 = <&ktd259_backlight_default_mode>;
249	};
250
251	/* Bit-banged I2C on GPIO143 and GPIO144 also called "SUBPMU I2C" */
252	i2c-gpio-0 {
253		compatible = "i2c-gpio";
254		sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
255		scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
256		pinctrl-names = "default";
257		pinctrl-0 = <&i2c_gpio_0_default>;
258		#address-cells = <1>;
259		#size-cells = <0>;
260
261		/* Yamaha YAS530 magnetometer */
262		magnetometer@2e {
263			compatible = "yamaha,yas530";
264			reg = <0x2e>;
265			/* VDD 3V */
266			vdd-supply = <&ab8500_ldo_aux1_reg>;
267			/* IOVDD 1.8V */
268			iovdd-supply = <&ab8500_ldo_aux2_reg>;
269			/* GPIO204 COMPASS_RST_N */
270			reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
271			pinctrl-names = "default";
272			pinctrl-0 = <&yas530_default>;
273		};
274		/* TODO: this should also be used by the NCP6914 Camera power management unit */
275	};
276
277	/*
278	 * TODO: See if we can use the PL023 for this instead.
279	 */
280	spi {
281		compatible = "spi-gpio";
282		/* Clock on GPIO220, pin SCL */
283		sck-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
284		/* MOSI on GPIO224, pin SDI "slave data in" */
285		mosi-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
286		/* MISO on GPIO225, pin SDO "slave data out" */
287		miso-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
288		/* Chip select on GPIO223 */
289		cs-gpios = <&gpio6 31 GPIO_ACTIVE_LOW>;
290		num-chipselects = <1>;
291
292		pinctrl-names = "default";
293		pinctrl-0 = <&spi_gpio_0_default>;
294		#address-cells = <1>;
295		#size-cells = <0>;
296
297		panel@0 {
298			compatible = "samsung,lms397kf04";
299			/* 300 ns at read cycle -> 3 MHz max speed */
300			//spi-max-frequency = <3000000>;
301			spi-max-frequency = <1200000>;
302			/* TYPE 3: inverse clock polarity and phase */
303			spi-cpha;
304			spi-cpol;
305
306			reg = <0>;
307			vci-supply = <&lcd_3v0_reg>;
308			vccio-supply = <&lcd_1v8_reg>;
309			/* Reset on GPIO139 */
310			reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
311			pinctrl-names = "default";
312			pinctrl-0 = <&panel_default_mode>;
313			backlight = <&ktd259>;
314
315			port {
316				panel_in: endpoint {
317					remote-endpoint = <&display_out>;
318				};
319			};
320		};
321	};
322
323	/* Bit-banged I2C on GPIO201 and GPIO202 also called "MOT_I2C" */
324	i2c-gpio-2 {
325		compatible = "i2c-gpio";
326		sda-gpios = <&gpio6 10 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
327		scl-gpios = <&gpio6 9 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
328		pinctrl-names = "default";
329		pinctrl-0 = <&i2c_gpio_2_default>;
330		#address-cells = <1>;
331		#size-cells = <0>;
332		/* TODO: add the Immersion ISA1200 I2C device here */
333	};
334
335	/* Bit-banged I2C on GPIO196 and GPIO197 also called "MPR_I2C" */
336	i2c-gpio-3 {
337		compatible = "i2c-gpio";
338		sda-gpios = <&gpio6 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
339		scl-gpios = <&gpio6 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
340		pinctrl-names = "default";
341		pinctrl-0 = <&i2c_gpio_3_default>;
342		#address-cells = <1>;
343		#size-cells = <0>;
344		/* TODO: add the DPP2601 projector I2C device 0x1b here */
345	};
346
347	soc {
348		/* External Micro SD slot */
349		mmc@80126000 {
350			arm,primecell-periphid = <0x10480180>;
351			max-frequency = <50000000>;
352			bus-width = <4>;
353			cap-sd-highspeed;
354			cap-mmc-highspeed;
355			st,sig-pin-fbclk;
356			full-pwr-cycle;
357			/* MMC is powered by AUX3 1.2V .. 2.91V */
358			vmmc-supply = <&ab8500_ldo_aux3_reg>;
359			/* 2.9 V level translator */
360			vqmmc-supply = <&sd_level_translator>;
361			pinctrl-names = "default", "sleep";
362			pinctrl-0 = <&mc0_a_2_default>;
363			pinctrl-1 = <&mc0_a_2_sleep>;
364			/* "flash detect" actually card detect */
365			cd-gpios = <&gpio6 25 GPIO_ACTIVE_LOW>;
366			status = "okay";
367		};
368
369		/* WLAN SDIO channel */
370		mmc@80118000 {
371			arm,primecell-periphid = <0x10480180>;
372			max-frequency = <50000000>;
373			bus-width = <4>;
374			non-removable;
375			cap-sd-highspeed;
376			pinctrl-names = "default", "sleep";
377			pinctrl-0 = <&mc1_a_2_default>;
378			pinctrl-1 = <&mc1_a_2_sleep>;
379			/*
380			 * GPIO-controlled voltage enablement: this drives
381			 * the WL_REG_ON line high when we use this device.
382			 * Represented as regulator to fill OCR mask.
383			 */
384			vmmc-supply = <&wl_reg>;
385
386			#address-cells = <1>;
387			#size-cells = <0>;
388			status = "okay";
389
390			wifi@1 {
391				compatible = "brcm,bcm4330-fmac", "brcm,bcm4329-fmac";
392				reg = <1>;
393				/* GPIO216 WL_HOST_WAKE */
394				interrupt-parent = <&gpio6>;
395				interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
396				interrupt-names = "host-wake";
397				pinctrl-names = "default";
398				pinctrl-0 = <&wlan_default_mode>;
399			};
400		};
401
402		/* eMMC */
403		mmc@80005000 {
404			arm,primecell-periphid = <0x10480180>;
405		        max-frequency = <50000000>;
406			bus-width = <8>;
407			non-removable;
408			cap-mmc-highspeed;
409			mmc-ddr-1_8v;
410			no-sdio;
411			no-sd;
412			vmmc-supply = <&ldo_3v3_reg>;
413			pinctrl-names = "default", "sleep";
414			pinctrl-0 = <&mc2_a_1_default>;
415			pinctrl-1 = <&mc2_a_1_sleep>;
416			status = "okay";
417		};
418
419		/* GBF (Bluetooth) UART */
420		serial@80120000 {
421			pinctrl-names = "default", "sleep";
422			pinctrl-0 = <&u0_a_1_default>;
423			pinctrl-1 = <&u0_a_1_sleep>;
424			status = "okay";
425
426			bluetooth {
427				compatible = "brcm,bcm4330-bt";
428				/* GPIO222 rail BT_VREG_EN to BT_REG_ON */
429				shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
430				/* BT_WAKE on GPIO199 */
431				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
432				/* BT_HOST_WAKE on GPIO97 */
433				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
434				/* BT_RST_N on GPIO209 */
435				reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
436				pinctrl-names = "default";
437				pinctrl-0 = <&bluetooth_default_mode>;
438			};
439		};
440
441		/* GPS UART */
442		serial@80121000 {
443			status = "okay";
444			pinctrl-names = "default", "sleep";
445			/* CTS/RTS is not used, CTS is repurposed as GPIO */
446			pinctrl-0 = <&u1rxtx_a_1_default>;
447			pinctrl-1 = <&u1rxtx_a_1_sleep>;
448			/* FIXME: add a device for the GPS here */
449		};
450
451		/* Debugging console UART connected to TSU6111RSVR (FSA880) */
452		serial@80007000 {
453			status = "okay";
454			pinctrl-names = "default", "sleep";
455			pinctrl-0 = <&u2rxtx_c_1_default>;
456			pinctrl-1 = <&u2rxtx_c_1_sleep>;
457		};
458
459		prcmu@80157000 {
460			ab8500 {
461				phy {
462					pinctrl-names = "default", "sleep";
463					pinctrl-0 = <&usb_a_1_default>;
464					pinctrl-1 = <&usb_a_1_sleep>;
465				};
466
467				ab8500_fg {
468					line-impedance-micro-ohms = <43000>;
469				};
470
471				regulator {
472					ab8500_ldo_aux1 {
473						/* Used for VDD for sensors */
474						regulator-name = "V-SENSORS-VDD";
475						regulator-min-microvolt = <3000000>;
476						regulator-max-microvolt = <3000000>;
477					};
478
479					ab8500_ldo_aux2 {
480						/* Used for VIO for sensors */
481						regulator-name = "V-SENSORS-VIO";
482						regulator-min-microvolt = <1800000>;
483						regulator-max-microvolt = <1800000>;
484					};
485
486					ab8500_ldo_aux3 {
487						/* Used for voltage for external MMC/SD card */
488						regulator-name = "V-MMC-SD";
489						regulator-min-microvolt = <1200000>;
490						regulator-max-microvolt = <2910000>;
491					};
492				};
493			};
494		};
495
496		/* I2C0 */
497		i2c@80004000 {
498			status = "okay";
499			pinctrl-names = "default", "sleep";
500			pinctrl-0 = <&i2c0_a_1_default>;
501			pinctrl-1 = <&i2c0_a_1_sleep>;
502
503			/* FIXME: fix the proximity sensor bindings and driver */
504			proximity@39 {
505				/* Gavini has the GP2A030S00F proximity sensor */
506				compatible = "sharp,gp2a030s00f";
507				clock-frequency = <400000>;
508				reg = <0x39>;
509				/* FIXME: GPIO146 provides power on, IR LED? */
510			};
511
512			gyroscope@68 {
513				compatible = "invensense,mpu3050";
514				reg = <0x68>;
515				/* GPIO226 interrupt */
516				interrupt-parent = <&gpio7>;
517				interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
518				mount-matrix = "0", "1", "0",
519					       "1", "0", "0",
520					       "0", "0", "1";
521				vlogic-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
522				vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
523				pinctrl-names = "default";
524				pinctrl-0 = <&mpu3050_default>;
525
526				/*
527				 * The MPU-3050 acts as a hub for the
528				 * accelerometer.
529				 */
530				i2c-gate {
531					#address-cells = <1>;
532					#size-cells = <0>;
533
534					/* Bosch BMA222E accelerometer */
535					accelerometer@18 {
536						compatible = "bosch,bma222e";
537						reg = <0x18>;
538						mount-matrix = "0", "-1", "0",
539							       "1", "0", "0",
540							       "0", "0", "1";
541						vddio-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
542						vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
543					};
544				};
545			};
546		};
547
548		/* I2C2 "AGC I2C" */
549		i2c@80128000 {
550			status = "okay";
551			pinctrl-names = "default", "sleep";
552			pinctrl-0 = <&i2c2_b_1_default>;
553			pinctrl-1 = <&i2c2_b_1_sleep>;
554
555			/* Texas Instruments TSU6111 micro USB switch */
556			usb-switch@25 {
557				compatible = "ti,tsu6111";
558				reg = <0x25>;
559				/* Interrupt JACK_INT_N on GPIO95 */
560				interrupt-parent = <&gpio2>;
561				interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
562				pinctrl-names = "default";
563				pinctrl-0 = <&tsu6111_default>;
564			};
565		};
566
567		/* I2C3 */
568		i2c@80110000 {
569			status = "okay";
570
571			pinctrl-names = "default", "sleep";
572			pinctrl-0 = <&i2c3_c_2_default>;
573			pinctrl-1 = <&i2c3_c_2_sleep>;
574
575			/* Melfas MMS136 touchscreen */
576			touchscreen@48 {
577				compatible = "melfas,mms136";
578				reg = <0x48>;
579				/* GPIO218 (TSP_INT_1V8) */
580				interrupt-parent = <&gpio6>;
581				interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
582				/* AVDD is "analog supply", 2.57-3.47 V */
583				avdd-supply = <&ldo_tsp_3v3_reg>;
584				/* VDD is "digital supply" 1.71-3.47V */
585				vdd-supply = <&ldo_tsp_1v8_reg>;
586				pinctrl-names = "default";
587				pinctrl-0 = <&tsp_default>;
588				touchscreen-size-x = <480>;
589				touchscreen-size-y = <800>;
590			};
591		};
592
593		mcde@a0350000 {
594			status = "okay";
595			pinctrl-names = "default";
596			pinctrl-0 = <&dpi_default_mode>;
597
598			port {
599				display_out: endpoint {
600					remote-endpoint = <&panel_in>;
601				};
602			};
603		};
604	};
605};
606
607&pinctrl {
608	/*
609	 * This extends the MC0_A_2 default config to include
610	 * the card detect GPIO217 line.
611	 */
612	sdi0 {
613		mc0_a_2_default {
614			default_cfg4 {
615				pins = "GPIO217_AH12"; /* card detect */
616				ste,config = <&gpio_in_nopull>;
617			};
618		};
619	};
620	mcde {
621		dpi_default_mode: dpi_default {
622			default_mux1 {
623				/* Mux in all the data lines */
624				function = "lcd";
625				groups =
626					/* Data lines D0-D7 GPIO70..GPIO77 */
627					"lcd_d0_d7_a_1",
628					/* Data lines D8-D11 GPIO78..GPIO81 */
629					"lcd_d8_d11_a_1",
630					/* Data lines D12-D15 GPIO82..GPIO85 */
631					"lcd_d12_d15_a_1",
632					/* Data lines D16-D23 GPIO161..GPIO168 */
633					"lcd_d16_d23_b_1";
634			};
635			default_mux2 {
636				function = "lcda";
637				/* Clock line on GPIO150, DE, VSO, HSO on GPIO169..GPIO171 */
638				groups = "lcdaclk_b_1", "lcda_b_1";
639			};
640			/* Input, no pull-up is the default state for pins used for an alt function */
641			default_cfg1 {
642				pins = "GPIO150_C14", "GPIO169_D22", "GPIO170_C23", "GPIO171_D23";
643				ste,config = <&in_nopull>;
644			};
645		};
646	};
647	/* GPIO for panel reset control */
648	panel {
649		panel_default_mode: panel_default {
650			gavini_cfg1 {
651				/* Reset line */
652				pins = "GPIO139_C9";
653				ste,config = <&gpio_out_lo>;
654			};
655		};
656	};
657	/* GPIO that enables the LDO regulator for the eMMC */
658	emmc-ldo {
659		emmc_ldo_en_default_mode: emmc_ldo_default {
660			/* LDO enable on GPIO6 */
661			gavini_cfg1 {
662				pins = "GPIO6_AF6";
663				ste,config = <&gpio_out_hi>;
664			};
665		};
666	};
667	/* GPIO that enables the LDO regulator for the touchscreen */
668	tsp-ldo {
669		tsp_ldo_en_default_mode: tsp_ldo_default {
670			/* LDO enable on GPIO94 */
671			gavini_cfg1 {
672				pins = "GPIO94_D7";
673				ste,config = <&gpio_out_hi>;
674			};
675		};
676	};
677	/* Reset line for the Yamaha YAS530 magnetometer */
678	yas530 {
679		yas530_default: yas530_janice {
680			janice_cfg1 {
681				pins = "GPIO204_AF23";
682				ste,config = <&gpio_out_hi>;
683			};
684		};
685	};
686	/* Flash and torch */
687	flash {
688		gpio_flash_default_mode: flash_default {
689			janice_cfg1 {
690				pins = "GPIO140_B11", "GPIO141_C12";
691				ste,config = <&gpio_out_lo>;
692			};
693		};
694	};
695	/* GPIO that enables the LDO regulator for the key LED */
696	gpio-leds {
697		gpio_leds_default_mode: gpio_leds_default {
698			/* EN_LED_LDO on GPIO68 */
699			gavini_cfg1 {
700				pins = "GPIO68_E1";
701				ste,config = <&gpio_out_hi>;
702			};
703		};
704	};
705	backlight {
706		ktd259_backlight_default_mode: backlight_default {
707			skomer_cfg1 {
708				pins = "GPIO20_AB4"; /* LCD_BL_EN */
709				ste,config = <&gpio_out_lo>;
710			};
711		};
712	};
713	/* GPIO that enables the LDO regulator for the touchkeys */
714	touchkey-ldo {
715		tsp_ldo_on2_default_mode: tsp_ldo_on2_default {
716			/* TSP_LDO_ON2 on GPIO89 */
717			gavini_cfg1 {
718				pins = "GPIO89_E6";
719				ste,config = <&gpio_out_lo>;
720			};
721		};
722	};
723	touchkey {
724		touchkey_default_mode: touchkey_default {
725			gavini_cfg1 {
726				/* Interrupt */
727				pins = "GPIO198_AG25";
728				ste,config = <&gpio_in_nopull>;
729			};
730			gavini_cfg2 {
731				/* Reset, actually completely unused (not routed) */
732				pins = "GPIO205_AG23";
733				ste,config = <&gpio_in_pd>;
734			};
735		};
736	};
737	/* GPIO that enables the LDO regulator for the LCD display */
738	lcd-ldo {
739		lcd_pwr_en_default_mode: lcd_pwr_en_default {
740			/* LCD_PWR_EN on GPIO219 */
741			gavini_cfg1 {
742				pins = "GPIO219_AG10";
743				ste,config = <&gpio_out_hi>;
744			};
745		};
746	};
747	/* GPIO that enables the WLAN internal LDO regulators */
748	wlan-ldo {
749		wlan_ldo_en_default: wlan_ldo_default {
750			/* GPIO215 named WLAN_RST_N */
751			gavini_cfg1 {
752				pins = "GPIO215_AH13";
753				ste,config = <&gpio_out_lo>;
754			};
755		};
756	};
757	/* GPIO that enables the 2.9V SD card level translator */
758	sd-level-translator {
759		sd_level_translator_default: sd_level_translator_default {
760			/* level shifter on GPIO193 */
761			skomer_cfg1 {
762				pins = "GPIO193_AH27";
763				ste,config = <&gpio_out_hi>;
764			};
765		};
766	};
767	/* GPIO keys */
768	gpio-keys {
769		gpio_keys_default_mode: gpio_keys_default {
770			skomer_cfg1 {
771				pins = "GPIO32_V2", /* Projector On HotKey */
772				       "GPIO67_G2", /* VOL UP */
773				       "GPIO91_B6", /* HOME */
774				       "GPIO92_D6"; /* VOL DOWN */
775				ste,config = <&gpio_in_pu>;
776			};
777		};
778	};
779	/* Interrupt line for the Atmel MXT228 touchscreen */
780	tsp {
781		tsp_default: tsp_default {
782			gavini_cfg1 {
783				pins = "GPIO218_AH11";	/* TSP_INT_1V8 */
784				ste,config = <&gpio_in_nopull>;
785			};
786		};
787	};
788	/* Interrupt line for Invensense MPU3050 gyroscope */
789	mpu3050 {
790		mpu3050_default: mpu3050 {
791			gavini_cfg1 {
792				/* GPIO226 used for IRQ */
793				pins = "GPIO226_AF8";
794				ste,config = <&gpio_in_nopull>;
795			};
796		};
797	};
798	/* GPIO-based I2C bus for magnetometer and NCP6914 */
799	i2c-gpio-0 {
800		i2c_gpio_0_default: i2c_gpio_0 {
801			gavini_cfg1 {
802				pins = "GPIO143_D12", "GPIO144_B13";
803				ste,config = <&gpio_in_nopull>;
804			};
805		};
806	};
807	/* GPIO-based I2C bus for the Immersion ISA1200 */
808	i2c-gpio-2 {
809		i2c_gpio_2_default: i2c_gpio_2 {
810			gavini_cfg1 {
811				pins = "GPIO201_AF24", "GPIO202_AF25";
812				ste,config = <&gpio_in_nopull>;
813			};
814		};
815	};
816	/* GPIO-based I2C bus for the TI DPP2601 */
817	i2c-gpio-3 {
818		i2c_gpio_3_default: i2c_gpio_3 {
819			gavini_cfg1 {
820				pins = "GPIO196_AG26", "GPIO197_AH24";
821				ste,config = <&gpio_in_nopull>;
822			};
823		};
824	};
825	/* GPIO-based SPI bus for the display */
826	spi-gpio-0 {
827		spi_gpio_0_default: spi_gpio_0_d {
828			gavini_cfg1 {
829				pins = "GPIO220_AH10", "GPIO223_AH9", "GPIO224_AG9";
830				ste,config = <&gpio_out_hi>;
831			};
832			gavini_cfg2 {
833				pins = "GPIO225_AG8";
834				ste,config = <&gpio_in_nopull>;
835			};
836		};
837		spi_gpio_0_sleep: spi_gpio_0_s {
838			gavini_cfg1 {
839				pins = "GPIO220_AH10", "GPIO223_AH9",
840				     "GPIO224_AG9", "GPIO225_AG8";
841				ste,config = <&gpio_out_hi>;
842			};
843			gavini_cfg2 {
844				pins = "GPIO225_AG8";
845				ste,config = <&gpio_out_lo>;
846			};
847		};
848	};
849	wlan {
850		wlan_default_mode: wlan_default {
851			/* GPIO216 for WL_HOST_WAKE */
852			gavini_cfg2 {
853				pins = "GPIO216_AG12";
854				ste,config = <&gpio_in_pd>;
855			};
856		};
857	};
858	bluetooth {
859		bluetooth_default_mode: bluetooth_default {
860			/* GPIO199 BT_WAKE and GPIO222 BT_VREG_ON */
861			gavini_cfg1 {
862				pins = "GPIO199_AH23", "GPIO222_AJ9";
863				ste,config = <&gpio_out_lo>;
864			};
865			/* GPIO97 BT_HOST_WAKE */
866			gavini_cfg2 {
867				pins = "GPIO97_D9";
868				ste,config = <&gpio_in_nopull>;
869			};
870			/* GPIO209 BT_RST_N */
871			gavini_cfg3 {
872				pins = "GPIO209_AG15";
873				ste,config = <&gpio_out_hi>;
874			};
875		};
876	};
877	/* Interrupt line for TI TSU6111 Micro USB switch */
878	tsu6111 {
879		tsu6111_default: tsu6111 {
880			gavini_cfg1 {
881				/* GPIO95 used for IRQ */
882				pins = "GPIO95_E8";
883				ste,config = <&gpio_in_nopull>;
884			};
885		};
886	};
887};
888