xref: /linux/arch/arm/mach-pxa/spitz.c (revision 5a558f369ef89c6fd8170ee1137274fcc08517ae)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Support for Sharp SL-Cxx00 Series of PDAs
4  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5  *
6  * Copyright (c) 2005 Richard Purdie
7  *
8  * Based on Sharp's 2.4 kernel patches/lubbock.c
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/platform_device.h>
13 #include <linux/delay.h>
14 #include <linux/gpio_keys.h>
15 #include <linux/gpio.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/leds.h>
18 #include <linux/i2c.h>
19 #include <linux/platform_data/i2c-pxa.h>
20 #include <linux/platform_data/pca953x.h>
21 #include <linux/property.h>
22 #include <linux/spi/spi.h>
23 #include <linux/spi/ads7846.h>
24 #include <linux/spi/corgi_lcd.h>
25 #include <linux/mtd/sharpsl.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/input-event-codes.h>
28 #include <linux/input/matrix_keypad.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/io.h>
31 #include <linux/reboot.h>
32 #include <linux/memblock.h>
33 
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/sharpsl_param.h>
38 #include <asm/hardware/scoop.h>
39 
40 #include "pxa27x.h"
41 #include "pxa27x-udc.h"
42 #include "reset.h"
43 #include <linux/platform_data/mmc-pxamci.h>
44 #include <linux/platform_data/usb-ohci-pxa27x.h>
45 #include <linux/platform_data/video-pxafb.h>
46 #include "spitz.h"
47 #include "sharpsl_pm.h"
48 #include "smemc.h"
49 
50 #include "generic.h"
51 #include "devices.h"
52 
53 /******************************************************************************
54  * Pin configuration
55  ******************************************************************************/
56 static unsigned long spitz_pin_config[] __initdata = {
57 	/* Chip Selects */
58 	GPIO78_nCS_2,	/* SCOOP #2 */
59 	GPIO79_nCS_3,	/* NAND */
60 	GPIO80_nCS_4,	/* SCOOP #1 */
61 
62 	/* LCD - 16bpp Active TFT */
63 	GPIOxx_LCD_TFT_16BPP,
64 
65 	/* PC Card */
66 	GPIO48_nPOE,
67 	GPIO49_nPWE,
68 	GPIO50_nPIOR,
69 	GPIO51_nPIOW,
70 	GPIO85_nPCE_1,
71 	GPIO54_nPCE_2,
72 	GPIO55_nPREG,
73 	GPIO56_nPWAIT,
74 	GPIO57_nIOIS16,
75 	GPIO104_PSKTSEL,
76 
77 	/* I2S */
78 	GPIO28_I2S_BITCLK_OUT,
79 	GPIO29_I2S_SDATA_IN,
80 	GPIO30_I2S_SDATA_OUT,
81 	GPIO31_I2S_SYNC,
82 
83 	/* MMC */
84 	GPIO32_MMC_CLK,
85 	GPIO112_MMC_CMD,
86 	GPIO92_MMC_DAT_0,
87 	GPIO109_MMC_DAT_1,
88 	GPIO110_MMC_DAT_2,
89 	GPIO111_MMC_DAT_3,
90 
91 	/* GPIOs */
92 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
93 	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
94 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
95 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
96 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
97 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
98 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
99 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
100 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
101 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
102 
103 	/* GPIO matrix keypad */
104 	GPIO88_GPIO,	/* column 0 */
105 	GPIO23_GPIO,	/* column 1 */
106 	GPIO24_GPIO,	/* column 2 */
107 	GPIO25_GPIO,	/* column 3 */
108 	GPIO26_GPIO,	/* column 4 */
109 	GPIO27_GPIO,	/* column 5 */
110 	GPIO52_GPIO,	/* column 6 */
111 	GPIO103_GPIO,	/* column 7 */
112 	GPIO107_GPIO,	/* column 8 */
113 	GPIO108_GPIO,	/* column 9 */
114 	GPIO114_GPIO,	/* column 10 */
115 	GPIO12_GPIO,	/* row 0 */
116 	GPIO17_GPIO,	/* row 1 */
117 	GPIO91_GPIO,	/* row 2 */
118 	GPIO34_GPIO,	/* row 3 */
119 	GPIO36_GPIO,	/* row 4 */
120 	GPIO38_GPIO,	/* row 5 */
121 	GPIO39_GPIO,	/* row 6 */
122 
123 	/* I2C */
124 	GPIO117_I2C_SCL,
125 	GPIO118_I2C_SDA,
126 
127 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
128 	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
129 };
130 
131 
132 /******************************************************************************
133  * Scoop GPIO expander
134  ******************************************************************************/
135 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
136 /* SCOOP Device #1 */
137 static struct resource spitz_scoop_1_resources[] = {
138 	[0] = {
139 		.start		= 0x10800000,
140 		.end		= 0x10800fff,
141 		.flags		= IORESOURCE_MEM,
142 	},
143 };
144 
145 static struct scoop_config spitz_scoop_1_setup = {
146 	.io_dir		= SPITZ_SCP_IO_DIR,
147 	.io_out		= SPITZ_SCP_IO_OUT,
148 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
149 	.suspend_set	= SPITZ_SCP_SUS_SET,
150 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
151 };
152 
153 struct platform_device spitz_scoop_1_device = {
154 	.name		= "sharp-scoop",
155 	.id		= 0,
156 	.dev		= {
157 		.platform_data	= &spitz_scoop_1_setup,
158 	},
159 	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
160 	.resource	= spitz_scoop_1_resources,
161 };
162 
163 /* SCOOP Device #2 */
164 static struct resource spitz_scoop_2_resources[] = {
165 	[0] = {
166 		.start		= 0x08800040,
167 		.end		= 0x08800fff,
168 		.flags		= IORESOURCE_MEM,
169 	},
170 };
171 
172 static struct scoop_config spitz_scoop_2_setup = {
173 	.io_dir		= SPITZ_SCP2_IO_DIR,
174 	.io_out		= SPITZ_SCP2_IO_OUT,
175 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
176 	.suspend_set	= SPITZ_SCP2_SUS_SET,
177 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
178 };
179 
180 struct platform_device spitz_scoop_2_device = {
181 	.name		= "sharp-scoop",
182 	.id		= 1,
183 	.dev		= {
184 		.platform_data	= &spitz_scoop_2_setup,
185 	},
186 	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
187 	.resource	= spitz_scoop_2_resources,
188 };
189 
190 static void __init spitz_scoop_init(void)
191 {
192 	platform_device_register(&spitz_scoop_1_device);
193 
194 	/* Akita doesn't have the second SCOOP chip */
195 	if (!machine_is_akita())
196 		platform_device_register(&spitz_scoop_2_device);
197 }
198 
199 /* Power control is shared with between one of the CF slots and SD */
200 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
201 {
202 	unsigned short cpr;
203 	unsigned long flags;
204 
205 	if (new_cpr & 0x7) {
206 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
207 		mdelay(5);
208 	}
209 
210 	local_irq_save(flags);
211 
212 	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
213 
214 	if (enable & new_cpr)
215 		cpr |= new_cpr;
216 	else
217 		cpr &= ~enable;
218 
219 	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
220 
221 	local_irq_restore(flags);
222 
223 	if (!(cpr & 0x7)) {
224 		mdelay(1);
225 		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
226 	}
227 }
228 
229 #else
230 static inline void spitz_scoop_init(void) {}
231 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
232 #endif
233 
234 /******************************************************************************
235  * PCMCIA
236  ******************************************************************************/
237 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
238 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
239 {
240 	/* Only need to override behaviour for slot 0 */
241 	if (nr == 0)
242 		spitz_card_pwr_ctrl(
243 			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
244 	else
245 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
246 }
247 
248 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
249 	{
250 		.dev		= &spitz_scoop_1_device.dev,
251 		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
252 		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
253 		.cd_irq_str	= "PCMCIA0 CD",
254 	}, {
255 		.dev		= &spitz_scoop_2_device.dev,
256 		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
257 		.cd_irq		= -1,
258 	},
259 };
260 
261 static struct scoop_pcmcia_config spitz_pcmcia_config = {
262 	.devs		= &spitz_pcmcia_scoop[0],
263 	.num_devs	= 2,
264 	.power_ctrl	= spitz_pcmcia_pwr,
265 };
266 
267 static void __init spitz_pcmcia_init(void)
268 {
269 	/* Akita has only one PCMCIA slot used */
270 	if (machine_is_akita())
271 		spitz_pcmcia_config.num_devs = 1;
272 
273 	platform_scoop_config = &spitz_pcmcia_config;
274 }
275 #else
276 static inline void spitz_pcmcia_init(void) {}
277 #endif
278 
279 /******************************************************************************
280  * GPIO keyboard
281  ******************************************************************************/
282 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
283 
284 #define SPITZ_KEY_CALENDAR	KEY_F1
285 #define SPITZ_KEY_ADDRESS	KEY_F2
286 #define SPITZ_KEY_FN		KEY_F3
287 #define SPITZ_KEY_CANCEL	KEY_F4
288 #define SPITZ_KEY_EXOK		KEY_F5
289 #define SPITZ_KEY_EXCANCEL	KEY_F6
290 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
291 #define SPITZ_KEY_EXJOGUP	KEY_F8
292 #define SPITZ_KEY_JAP1		KEY_LEFTALT
293 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
294 #define SPITZ_KEY_SYNC		KEY_F9
295 #define SPITZ_KEY_MAIL		KEY_F10
296 #define SPITZ_KEY_OK		KEY_F11
297 #define SPITZ_KEY_MENU		KEY_F12
298 
299 static const uint32_t spitz_keymap[] = {
300 	KEY(0, 0, KEY_LEFTCTRL),
301 	KEY(0, 1, KEY_1),
302 	KEY(0, 2, KEY_3),
303 	KEY(0, 3, KEY_5),
304 	KEY(0, 4, KEY_6),
305 	KEY(0, 5, KEY_7),
306 	KEY(0, 6, KEY_9),
307 	KEY(0, 7, KEY_0),
308 	KEY(0, 8, KEY_BACKSPACE),
309 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
310 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
311 	KEY(1, 1, KEY_2),
312 	KEY(1, 2, KEY_4),
313 	KEY(1, 3, KEY_R),
314 	KEY(1, 4, KEY_Y),
315 	KEY(1, 5, KEY_8),
316 	KEY(1, 6, KEY_I),
317 	KEY(1, 7, KEY_O),
318 	KEY(1, 8, KEY_P),
319 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
320 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
321 	KEY(2, 0, KEY_TAB),
322 	KEY(2, 1, KEY_Q),
323 	KEY(2, 2, KEY_E),
324 	KEY(2, 3, KEY_T),
325 	KEY(2, 4, KEY_G),
326 	KEY(2, 5, KEY_U),
327 	KEY(2, 6, KEY_J),
328 	KEY(2, 7, KEY_K),
329 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
330 	KEY(3, 1, KEY_W),
331 	KEY(3, 2, KEY_S),
332 	KEY(3, 3, KEY_F),
333 	KEY(3, 4, KEY_V),
334 	KEY(3, 5, KEY_H),
335 	KEY(3, 6, KEY_M),
336 	KEY(3, 7, KEY_L),
337 	KEY(3, 9, KEY_RIGHTSHIFT),
338 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
339 	KEY(4, 1, KEY_A),
340 	KEY(4, 2, KEY_D),
341 	KEY(4, 3, KEY_C),
342 	KEY(4, 4, KEY_B),
343 	KEY(4, 5, KEY_N),
344 	KEY(4, 6, KEY_DOT),
345 	KEY(4, 8, KEY_ENTER),
346 	KEY(4, 9, KEY_LEFTSHIFT),
347 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
348 	KEY(5, 1, KEY_Z),
349 	KEY(5, 2, KEY_X),
350 	KEY(5, 3, KEY_MINUS),
351 	KEY(5, 4, KEY_SPACE),
352 	KEY(5, 5, KEY_COMMA),
353 	KEY(5, 7, KEY_UP),
354 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
355 	KEY(6, 0, KEY_SYSRQ),
356 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
357 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
358 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
359 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
360 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
361 	KEY(6, 6, KEY_LEFT),
362 	KEY(6, 7, KEY_DOWN),
363 	KEY(6, 8, KEY_RIGHT),
364 };
365 
366 static const struct matrix_keymap_data spitz_keymap_data = {
367 	.keymap		= spitz_keymap,
368 	.keymap_size	= ARRAY_SIZE(spitz_keymap),
369 };
370 
371 static const uint32_t spitz_row_gpios[] =
372 		{ 12, 17, 91, 34, 36, 38, 39 };
373 static const uint32_t spitz_col_gpios[] =
374 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
375 
376 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
377 	.keymap_data		= &spitz_keymap_data,
378 	.row_gpios		= spitz_row_gpios,
379 	.col_gpios		= spitz_col_gpios,
380 	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
381 	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
382 	.col_scan_delay_us	= 10,
383 	.debounce_ms		= 10,
384 	.wakeup			= 1,
385 };
386 
387 static struct platform_device spitz_mkp_device = {
388 	.name		= "matrix-keypad",
389 	.id		= -1,
390 	.dev		= {
391 		.platform_data	= &spitz_mkp_pdata,
392 	},
393 };
394 
395 static void __init spitz_mkp_init(void)
396 {
397 	platform_device_register(&spitz_mkp_device);
398 }
399 #else
400 static inline void spitz_mkp_init(void) {}
401 #endif
402 
403 /******************************************************************************
404  * GPIO keys
405  ******************************************************************************/
406 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
407 static struct gpio_keys_button spitz_gpio_keys[] = {
408 	{
409 		.type	= EV_PWR,
410 		.code	= KEY_SUSPEND,
411 		.gpio	= SPITZ_GPIO_ON_KEY,
412 		.desc	= "On Off",
413 		.wakeup	= 1,
414 	},
415 	/* Two buttons detecting the lid state */
416 	{
417 		.type	= EV_SW,
418 		.code	= 0,
419 		.gpio	= SPITZ_GPIO_SWA,
420 		.desc	= "Display Down",
421 	},
422 	{
423 		.type	= EV_SW,
424 		.code	= 1,
425 		.gpio	= SPITZ_GPIO_SWB,
426 		.desc	= "Lid Closed",
427 	},
428 };
429 
430 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
431 	.buttons	= spitz_gpio_keys,
432 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
433 };
434 
435 static struct platform_device spitz_gpio_keys_device = {
436 	.name	= "gpio-keys",
437 	.id	= -1,
438 	.dev	= {
439 		.platform_data	= &spitz_gpio_keys_platform_data,
440 	},
441 };
442 
443 static void __init spitz_keys_init(void)
444 {
445 	platform_device_register(&spitz_gpio_keys_device);
446 }
447 #else
448 static inline void spitz_keys_init(void) {}
449 #endif
450 
451 /******************************************************************************
452  * LEDs
453  ******************************************************************************/
454 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
455 static struct gpio_led spitz_gpio_leds[] = {
456 	{
457 		.name			= "spitz:amber:charge",
458 		.default_trigger	= "sharpsl-charge",
459 		.gpio			= SPITZ_GPIO_LED_ORANGE,
460 	},
461 	{
462 		.name			= "spitz:green:hddactivity",
463 		.default_trigger	= "disk-activity",
464 		.gpio			= SPITZ_GPIO_LED_GREEN,
465 	},
466 };
467 
468 static struct gpio_led_platform_data spitz_gpio_leds_info = {
469 	.leds		= spitz_gpio_leds,
470 	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
471 };
472 
473 static struct platform_device spitz_led_device = {
474 	.name		= "leds-gpio",
475 	.id		= -1,
476 	.dev		= {
477 		.platform_data	= &spitz_gpio_leds_info,
478 	},
479 };
480 
481 static void __init spitz_leds_init(void)
482 {
483 	platform_device_register(&spitz_led_device);
484 }
485 #else
486 static inline void spitz_leds_init(void) {}
487 #endif
488 
489 /******************************************************************************
490  * SSP Devices
491  ******************************************************************************/
492 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
493 static void spitz_ads7846_wait_for_hsync(void)
494 {
495 	while (gpio_get_value(SPITZ_GPIO_HSYNC))
496 		cpu_relax();
497 
498 	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
499 		cpu_relax();
500 }
501 
502 static struct ads7846_platform_data spitz_ads7846_info = {
503 	.model			= 7846,
504 	.vref_delay_usecs	= 100,
505 	.x_plate_ohms		= 419,
506 	.y_plate_ohms		= 486,
507 	.pressure_max		= 1024,
508 	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
509 };
510 
511 static struct gpiod_lookup_table spitz_ads7846_gpio_table = {
512 	.dev_id = "spi2.0",
513 	.table = {
514 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_TP_INT,
515 			    "pendown", GPIO_ACTIVE_LOW),
516 		{ }
517 	},
518 };
519 
520 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
521 	.dev_id = "spi2.1",
522 	.table = {
523 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
524 			    "BL_CONT", GPIO_ACTIVE_LOW),
525 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
526 			    "BL_ON", GPIO_ACTIVE_HIGH),
527 		{ },
528 	},
529 };
530 
531 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
532 	.dev_id = "spi2.1",
533 	.table = {
534 		GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
535 			    "BL_CONT", GPIO_ACTIVE_LOW),
536 		GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
537 			    "BL_ON", GPIO_ACTIVE_HIGH),
538 		{ },
539 	},
540 };
541 
542 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
543 	.init_mode		= CORGI_LCD_MODE_VGA,
544 	.max_intensity		= 0x2f,
545 	.default_intensity	= 0x1f,
546 	.limit_mask		= 0x0b,
547 	.kick_battery		= sharpsl_battery_kick,
548 };
549 
550 static struct spi_board_info spitz_spi_devices[] = {
551 	{
552 		.modalias		= "ads7846",
553 		.max_speed_hz		= 1200000,
554 		.bus_num		= 2,
555 		.chip_select		= 0,
556 		.platform_data		= &spitz_ads7846_info,
557 		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
558 	}, {
559 		.modalias		= "corgi-lcd",
560 		.max_speed_hz		= 50000,
561 		.bus_num		= 2,
562 		.chip_select		= 1,
563 		.platform_data		= &spitz_lcdcon_info,
564 	}, {
565 		.modalias		= "max1111",
566 		.max_speed_hz		= 450000,
567 		.bus_num		= 2,
568 		.chip_select		= 2,
569 	},
570 };
571 
572 static struct gpiod_lookup_table spitz_spi_gpio_table = {
573 	.dev_id = "spi2",
574 	.table = {
575 		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
576 		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
577 		GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
578 		{ },
579 	},
580 };
581 
582 static const struct property_entry spitz_spi_properties[] = {
583 	PROPERTY_ENTRY_U32("num-cs", 3),
584 	{ }
585 };
586 
587 static const struct software_node spitz_spi_node = {
588 	.properties = spitz_spi_properties,
589 };
590 
591 static void __init spitz_spi_init(void)
592 {
593 	struct platform_device *pd;
594 	int id = 2;
595 	int err;
596 
597 	if (machine_is_akita())
598 		gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
599 	else
600 		gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
601 
602 	gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
603 	gpiod_add_lookup_table(&spitz_spi_gpio_table);
604 
605 	/* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
606 	pd = platform_device_alloc("pxa2xx-spi", id);
607 	if (pd == NULL) {
608 		pr_err("pxa2xx-spi: failed to allocate device id %d\n", id);
609 	} else {
610 		err = device_add_software_node(&pd->dev, &spitz_spi_node);
611 		if (err) {
612 			platform_device_put(pd);
613 			pr_err("pxa2xx-spi: failed to add software node\n");
614 		} else {
615 			platform_device_add(pd);
616 		}
617 	}
618 
619 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
620 }
621 #else
622 static inline void spitz_spi_init(void) {}
623 #endif
624 
625 /******************************************************************************
626  * SD/MMC card controller
627  ******************************************************************************/
628 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
629 /*
630  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
631  * give the card a chance to fully insert/eject.
632  */
633 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
634 {
635 	struct pxamci_platform_data* p_d = dev->platform_data;
636 
637 	if ((1 << vdd) & p_d->ocr_mask)
638 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
639 	else
640 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
641 
642 	return 0;
643 }
644 
645 static struct pxamci_platform_data spitz_mci_platform_data = {
646 	.detect_delay_ms	= 250,
647 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
648 	.setpower		= spitz_mci_setpower,
649 };
650 
651 static struct gpiod_lookup_table spitz_mci_gpio_table = {
652 	.dev_id = "pxa2xx-mci.0",
653 	.table = {
654 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
655 			    "cd", GPIO_ACTIVE_LOW),
656 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
657 			    "wp", GPIO_ACTIVE_LOW),
658 		{ },
659 	},
660 };
661 
662 static void __init spitz_mmc_init(void)
663 {
664 	gpiod_add_lookup_table(&spitz_mci_gpio_table);
665 	pxa_set_mci_info(&spitz_mci_platform_data);
666 }
667 #else
668 static inline void spitz_mmc_init(void) {}
669 #endif
670 
671 /******************************************************************************
672  * USB Host
673  ******************************************************************************/
674 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
675 static int spitz_ohci_init(struct device *dev)
676 {
677 	int err;
678 
679 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
680 	if (err)
681 		return err;
682 
683 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
684 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
685 
686 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
687 }
688 
689 static void spitz_ohci_exit(struct device *dev)
690 {
691 	gpio_free(SPITZ_GPIO_USB_HOST);
692 }
693 
694 static struct pxaohci_platform_data spitz_ohci_platform_data = {
695 	.port_mode	= PMM_NPS_MODE,
696 	.init		= spitz_ohci_init,
697 	.exit		= spitz_ohci_exit,
698 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
699 	.power_budget	= 150,
700 };
701 
702 static void __init spitz_uhc_init(void)
703 {
704 	pxa_set_ohci_info(&spitz_ohci_platform_data);
705 }
706 #else
707 static inline void spitz_uhc_init(void) {}
708 #endif
709 
710 /******************************************************************************
711  * Framebuffer
712  ******************************************************************************/
713 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
714 static struct pxafb_mode_info spitz_pxafb_modes[] = {
715 	{
716 		.pixclock       = 19231,
717 		.xres           = 480,
718 		.yres           = 640,
719 		.bpp            = 16,
720 		.hsync_len      = 40,
721 		.left_margin    = 46,
722 		.right_margin   = 125,
723 		.vsync_len      = 3,
724 		.upper_margin   = 1,
725 		.lower_margin   = 0,
726 		.sync           = 0,
727 	}, {
728 		.pixclock       = 134617,
729 		.xres           = 240,
730 		.yres           = 320,
731 		.bpp            = 16,
732 		.hsync_len      = 20,
733 		.left_margin    = 20,
734 		.right_margin   = 46,
735 		.vsync_len      = 2,
736 		.upper_margin   = 1,
737 		.lower_margin   = 0,
738 		.sync           = 0,
739 	},
740 };
741 
742 static struct pxafb_mach_info spitz_pxafb_info = {
743 	.modes          = spitz_pxafb_modes,
744 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
745 	.fixed_modes    = 1,
746 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
747 };
748 
749 static void __init spitz_lcd_init(void)
750 {
751 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
752 }
753 #else
754 static inline void spitz_lcd_init(void) {}
755 #endif
756 
757 /******************************************************************************
758  * NAND Flash
759  ******************************************************************************/
760 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
761 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
762 
763 static struct nand_bbt_descr spitz_nand_bbt = {
764 	.options	= 0,
765 	.offs		= 4,
766 	.len		= 2,
767 	.pattern	= scan_ff_pattern
768 };
769 
770 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
771 			       struct mtd_oob_region *oobregion)
772 {
773 	if (section > 12)
774 		return -ERANGE;
775 
776 	switch (section % 3) {
777 	case 0:
778 		oobregion->offset = 5;
779 		oobregion->length = 1;
780 		break;
781 
782 	case 1:
783 		oobregion->offset = 1;
784 		oobregion->length = 3;
785 		break;
786 
787 	case 2:
788 		oobregion->offset = 6;
789 		oobregion->length = 2;
790 		break;
791 	}
792 
793 	oobregion->offset += (section / 3) * 0x10;
794 
795 	return 0;
796 }
797 
798 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
799 				struct mtd_oob_region *oobregion)
800 {
801 	if (section)
802 		return -ERANGE;
803 
804 	oobregion->offset = 8;
805 	oobregion->length = 9;
806 
807 	return 0;
808 }
809 
810 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
811 	.ecc = akita_ooblayout_ecc,
812 	.free = akita_ooblayout_free,
813 };
814 
815 static const char * const probes[] = {
816 	"cmdlinepart",
817 	"ofpart",
818 	"sharpslpart",
819 	NULL,
820 };
821 
822 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
823 	.badblock_pattern	= &spitz_nand_bbt,
824 	.part_parsers		= probes,
825 };
826 
827 static struct resource spitz_nand_resources[] = {
828 	{
829 		.start	= PXA_CS3_PHYS,
830 		.end	= PXA_CS3_PHYS + SZ_4K - 1,
831 		.flags	= IORESOURCE_MEM,
832 	},
833 };
834 
835 static struct platform_device spitz_nand_device = {
836 	.name		= "sharpsl-nand",
837 	.id		= -1,
838 	.resource	= spitz_nand_resources,
839 	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
840 	.dev		= {
841 		.platform_data	= &spitz_nand_pdata,
842 	}
843 };
844 
845 static void __init spitz_nand_init(void)
846 {
847 	if (machine_is_akita() || machine_is_borzoi()) {
848 		spitz_nand_bbt.len = 1;
849 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
850 	}
851 
852 	platform_device_register(&spitz_nand_device);
853 }
854 #else
855 static inline void spitz_nand_init(void) {}
856 #endif
857 
858 /******************************************************************************
859  * NOR Flash
860  ******************************************************************************/
861 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
862 static struct mtd_partition spitz_rom_parts[] = {
863 	{
864 		.name	="Boot PROM Filesystem",
865 		.offset	= 0x00140000,
866 		.size	= MTDPART_SIZ_FULL,
867 	},
868 };
869 
870 static struct physmap_flash_data spitz_rom_data = {
871 	.width		= 2,
872 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
873 	.parts		= spitz_rom_parts,
874 };
875 
876 static struct resource spitz_rom_resources[] = {
877 	{
878 		.start	= PXA_CS0_PHYS,
879 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
880 		.flags	= IORESOURCE_MEM,
881 	},
882 };
883 
884 static struct platform_device spitz_rom_device = {
885 	.name		= "physmap-flash",
886 	.id		= -1,
887 	.resource	= spitz_rom_resources,
888 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
889 	.dev		= {
890 		.platform_data	= &spitz_rom_data,
891 	},
892 };
893 
894 static void __init spitz_nor_init(void)
895 {
896 	platform_device_register(&spitz_rom_device);
897 }
898 #else
899 static inline void spitz_nor_init(void) {}
900 #endif
901 
902 /******************************************************************************
903  * I2C devices
904  ******************************************************************************/
905 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
906 static struct pca953x_platform_data akita_pca953x_pdata = {
907 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
908 };
909 
910 static struct i2c_board_info spitz_i2c_devs[] = {
911 	{
912 		.type		= "wm8750",
913 		.addr		= 0x1b,
914 	}, {
915 		.type		= "max7310",
916 		.addr		= 0x18,
917 		.platform_data	= &akita_pca953x_pdata,
918 	},
919 };
920 
921 static struct regulator_consumer_supply isl6271a_consumers[] = {
922 	REGULATOR_SUPPLY("vcc_core", NULL),
923 };
924 
925 static struct regulator_init_data isl6271a_info[] = {
926 	{
927 		.constraints = {
928 			.name		= "vcc_core range",
929 			.min_uV		= 850000,
930 			.max_uV		= 1600000,
931 			.always_on	= 1,
932 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
933 		},
934 	.consumer_supplies	= isl6271a_consumers,
935 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
936 	}
937 };
938 
939 static struct i2c_board_info spitz_pi2c_devs[] = {
940 	{
941 		.type		= "isl6271a",
942 		.addr		= 0x0c,
943 		.platform_data	= &isl6271a_info,
944 	},
945 };
946 
947 static void __init spitz_i2c_init(void)
948 {
949 	int size = ARRAY_SIZE(spitz_i2c_devs);
950 
951 	/* Only Akita has the max7310 chip */
952 	if (!machine_is_akita())
953 		size--;
954 
955 	pxa_set_i2c_info(NULL);
956 	pxa27x_set_i2c_power_info(NULL);
957 	i2c_register_board_info(0, spitz_i2c_devs, size);
958 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
959 }
960 #else
961 static inline void spitz_i2c_init(void) {}
962 #endif
963 
964 static struct gpiod_lookup_table spitz_audio_gpio_table = {
965 	.dev_id = "spitz-audio",
966 	.table = {
967 		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
968 			    "mute-l", GPIO_ACTIVE_HIGH),
969 		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
970 			    "mute-r", GPIO_ACTIVE_HIGH),
971 		GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
972 			    "mic", GPIO_ACTIVE_HIGH),
973 		{ },
974 	},
975 };
976 
977 static struct gpiod_lookup_table akita_audio_gpio_table = {
978 	.dev_id = "spitz-audio",
979 	.table = {
980 		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
981 			    "mute-l", GPIO_ACTIVE_HIGH),
982 		GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
983 			    "mute-r", GPIO_ACTIVE_HIGH),
984 		GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
985 			    "mic", GPIO_ACTIVE_HIGH),
986 		{ },
987 	},
988 };
989 
990 /******************************************************************************
991  * Audio devices
992  ******************************************************************************/
993 static inline void spitz_audio_init(void)
994 {
995 	if (machine_is_akita())
996 		gpiod_add_lookup_table(&akita_audio_gpio_table);
997 	else
998 		gpiod_add_lookup_table(&spitz_audio_gpio_table);
999 
1000 	platform_device_register_simple("spitz-audio", -1, NULL, 0);
1001 }
1002 
1003 /******************************************************************************
1004  * Machine init
1005  ******************************************************************************/
1006 static void spitz_poweroff(void)
1007 {
1008 	pxa_restart(REBOOT_GPIO, NULL);
1009 }
1010 
1011 static void spitz_restart(enum reboot_mode mode, const char *cmd)
1012 {
1013 	uint32_t msc0 = __raw_readl(MSC0);
1014 	/* Bootloader magic for a reboot */
1015 	if ((msc0 & 0xffff0000) == 0x7ff00000)
1016 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
1017 
1018 	spitz_poweroff();
1019 }
1020 
1021 static void __init spitz_init(void)
1022 {
1023 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1024 	pm_power_off = spitz_poweroff;
1025 
1026 	PMCR = 0x00;
1027 
1028 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1029 	PCFR |= PCFR_OPDE;
1030 
1031 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1032 
1033 	pxa_set_ffuart_info(NULL);
1034 	pxa_set_btuart_info(NULL);
1035 	pxa_set_stuart_info(NULL);
1036 
1037 	spitz_spi_init();
1038 	spitz_scoop_init();
1039 	spitz_mkp_init();
1040 	spitz_keys_init();
1041 	spitz_leds_init();
1042 	spitz_mmc_init();
1043 	spitz_pcmcia_init();
1044 	spitz_uhc_init();
1045 	spitz_lcd_init();
1046 	spitz_nor_init();
1047 	spitz_nand_init();
1048 	spitz_i2c_init();
1049 	spitz_audio_init();
1050 
1051 	regulator_has_full_constraints();
1052 }
1053 
1054 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1055 {
1056 	sharpsl_save_param();
1057 	memblock_add(0xa0000000, SZ_64M);
1058 }
1059 
1060 #ifdef CONFIG_MACH_SPITZ
1061 MACHINE_START(SPITZ, "SHARP Spitz")
1062 	.fixup		= spitz_fixup,
1063 	.map_io		= pxa27x_map_io,
1064 	.nr_irqs	= PXA_NR_IRQS,
1065 	.init_irq	= pxa27x_init_irq,
1066 	.init_machine	= spitz_init,
1067 	.init_time	= pxa_timer_init,
1068 	.restart	= spitz_restart,
1069 MACHINE_END
1070 #endif
1071 
1072 #ifdef CONFIG_MACH_BORZOI
1073 MACHINE_START(BORZOI, "SHARP Borzoi")
1074 	.fixup		= spitz_fixup,
1075 	.map_io		= pxa27x_map_io,
1076 	.nr_irqs	= PXA_NR_IRQS,
1077 	.init_irq	= pxa27x_init_irq,
1078 	.init_machine	= spitz_init,
1079 	.init_time	= pxa_timer_init,
1080 	.restart	= spitz_restart,
1081 MACHINE_END
1082 #endif
1083 
1084 #ifdef CONFIG_MACH_AKITA
1085 MACHINE_START(AKITA, "SHARP Akita")
1086 	.fixup		= spitz_fixup,
1087 	.map_io		= pxa27x_map_io,
1088 	.nr_irqs	= PXA_NR_IRQS,
1089 	.init_irq	= pxa27x_init_irq,
1090 	.init_machine	= spitz_init,
1091 	.init_time	= pxa_timer_init,
1092 	.restart	= spitz_restart,
1093 MACHINE_END
1094 #endif
1095