xref: /openbmc/linux/arch/arm/mach-pxa/spitz.c (revision e3d786a3)
1 /*
2  * Support for Sharp SL-Cxx00 Series of PDAs
3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
4  *
5  * Copyright (c) 2005 Richard Purdie
6  *
7  * Based on Sharp's 2.4 kernel patches/lubbock.c
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13  */
14 
15 #include <linux/kernel.h>
16 #include <linux/module.h>	/* symbol_get ; symbol_put */
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/gpio.h>
21 #include <linux/leds.h>
22 #include <linux/i2c.h>
23 #include <linux/platform_data/i2c-pxa.h>
24 #include <linux/platform_data/pca953x.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/ads7846.h>
27 #include <linux/spi/corgi_lcd.h>
28 #include <linux/spi/pxa2xx_spi.h>
29 #include <linux/mtd/sharpsl.h>
30 #include <linux/mtd/physmap.h>
31 #include <linux/input/matrix_keypad.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/io.h>
34 #include <linux/reboot.h>
35 #include <linux/memblock.h>
36 
37 #include <asm/setup.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/sharpsl_param.h>
41 #include <asm/hardware/scoop.h>
42 
43 #include "pxa27x.h"
44 #include "pxa27x-udc.h"
45 #include <mach/reset.h>
46 #include <linux/platform_data/irda-pxaficp.h>
47 #include <linux/platform_data/mmc-pxamci.h>
48 #include <linux/platform_data/usb-ohci-pxa27x.h>
49 #include <linux/platform_data/video-pxafb.h>
50 #include <mach/spitz.h>
51 #include "sharpsl_pm.h"
52 #include <mach/smemc.h>
53 
54 #include "generic.h"
55 #include "devices.h"
56 
57 /******************************************************************************
58  * Pin configuration
59  ******************************************************************************/
60 static unsigned long spitz_pin_config[] __initdata = {
61 	/* Chip Selects */
62 	GPIO78_nCS_2,	/* SCOOP #2 */
63 	GPIO79_nCS_3,	/* NAND */
64 	GPIO80_nCS_4,	/* SCOOP #1 */
65 
66 	/* LCD - 16bpp Active TFT */
67 	GPIOxx_LCD_TFT_16BPP,
68 
69 	/* PC Card */
70 	GPIO48_nPOE,
71 	GPIO49_nPWE,
72 	GPIO50_nPIOR,
73 	GPIO51_nPIOW,
74 	GPIO85_nPCE_1,
75 	GPIO54_nPCE_2,
76 	GPIO55_nPREG,
77 	GPIO56_nPWAIT,
78 	GPIO57_nIOIS16,
79 	GPIO104_PSKTSEL,
80 
81 	/* I2S */
82 	GPIO28_I2S_BITCLK_OUT,
83 	GPIO29_I2S_SDATA_IN,
84 	GPIO30_I2S_SDATA_OUT,
85 	GPIO31_I2S_SYNC,
86 
87 	/* MMC */
88 	GPIO32_MMC_CLK,
89 	GPIO112_MMC_CMD,
90 	GPIO92_MMC_DAT_0,
91 	GPIO109_MMC_DAT_1,
92 	GPIO110_MMC_DAT_2,
93 	GPIO111_MMC_DAT_3,
94 
95 	/* GPIOs */
96 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
97 	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
98 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
99 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
100 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
101 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
102 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
103 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
104 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
105 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
106 
107 	/* GPIO matrix keypad */
108 	GPIO88_GPIO,	/* column 0 */
109 	GPIO23_GPIO,	/* column 1 */
110 	GPIO24_GPIO,	/* column 2 */
111 	GPIO25_GPIO,	/* column 3 */
112 	GPIO26_GPIO,	/* column 4 */
113 	GPIO27_GPIO,	/* column 5 */
114 	GPIO52_GPIO,	/* column 6 */
115 	GPIO103_GPIO,	/* column 7 */
116 	GPIO107_GPIO,	/* column 8 */
117 	GPIO108_GPIO,	/* column 9 */
118 	GPIO114_GPIO,	/* column 10 */
119 	GPIO12_GPIO,	/* row 0 */
120 	GPIO17_GPIO,	/* row 1 */
121 	GPIO91_GPIO,	/* row 2 */
122 	GPIO34_GPIO,	/* row 3 */
123 	GPIO36_GPIO,	/* row 4 */
124 	GPIO38_GPIO,	/* row 5 */
125 	GPIO39_GPIO,	/* row 6 */
126 
127 	/* I2C */
128 	GPIO117_I2C_SCL,
129 	GPIO118_I2C_SDA,
130 
131 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
132 	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
133 };
134 
135 
136 /******************************************************************************
137  * Scoop GPIO expander
138  ******************************************************************************/
139 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
140 /* SCOOP Device #1 */
141 static struct resource spitz_scoop_1_resources[] = {
142 	[0] = {
143 		.start		= 0x10800000,
144 		.end		= 0x10800fff,
145 		.flags		= IORESOURCE_MEM,
146 	},
147 };
148 
149 static struct scoop_config spitz_scoop_1_setup = {
150 	.io_dir		= SPITZ_SCP_IO_DIR,
151 	.io_out		= SPITZ_SCP_IO_OUT,
152 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
153 	.suspend_set	= SPITZ_SCP_SUS_SET,
154 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
155 };
156 
157 struct platform_device spitz_scoop_1_device = {
158 	.name		= "sharp-scoop",
159 	.id		= 0,
160 	.dev		= {
161 		.platform_data	= &spitz_scoop_1_setup,
162 	},
163 	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
164 	.resource	= spitz_scoop_1_resources,
165 };
166 
167 /* SCOOP Device #2 */
168 static struct resource spitz_scoop_2_resources[] = {
169 	[0] = {
170 		.start		= 0x08800040,
171 		.end		= 0x08800fff,
172 		.flags		= IORESOURCE_MEM,
173 	},
174 };
175 
176 static struct scoop_config spitz_scoop_2_setup = {
177 	.io_dir		= SPITZ_SCP2_IO_DIR,
178 	.io_out		= SPITZ_SCP2_IO_OUT,
179 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
180 	.suspend_set	= SPITZ_SCP2_SUS_SET,
181 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
182 };
183 
184 struct platform_device spitz_scoop_2_device = {
185 	.name		= "sharp-scoop",
186 	.id		= 1,
187 	.dev		= {
188 		.platform_data	= &spitz_scoop_2_setup,
189 	},
190 	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
191 	.resource	= spitz_scoop_2_resources,
192 };
193 
194 static void __init spitz_scoop_init(void)
195 {
196 	platform_device_register(&spitz_scoop_1_device);
197 
198 	/* Akita doesn't have the second SCOOP chip */
199 	if (!machine_is_akita())
200 		platform_device_register(&spitz_scoop_2_device);
201 }
202 
203 /* Power control is shared with between one of the CF slots and SD */
204 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
205 {
206 	unsigned short cpr;
207 	unsigned long flags;
208 
209 	if (new_cpr & 0x7) {
210 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
211 		mdelay(5);
212 	}
213 
214 	local_irq_save(flags);
215 
216 	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
217 
218 	if (enable & new_cpr)
219 		cpr |= new_cpr;
220 	else
221 		cpr &= ~enable;
222 
223 	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
224 
225 	local_irq_restore(flags);
226 
227 	if (!(cpr & 0x7)) {
228 		mdelay(1);
229 		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
230 	}
231 }
232 
233 #else
234 static inline void spitz_scoop_init(void) {}
235 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
236 #endif
237 
238 /******************************************************************************
239  * PCMCIA
240  ******************************************************************************/
241 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
242 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
243 {
244 	/* Only need to override behaviour for slot 0 */
245 	if (nr == 0)
246 		spitz_card_pwr_ctrl(
247 			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
248 	else
249 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
250 }
251 
252 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
253 	{
254 		.dev		= &spitz_scoop_1_device.dev,
255 		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
256 		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
257 		.cd_irq_str	= "PCMCIA0 CD",
258 	}, {
259 		.dev		= &spitz_scoop_2_device.dev,
260 		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
261 		.cd_irq		= -1,
262 	},
263 };
264 
265 static struct scoop_pcmcia_config spitz_pcmcia_config = {
266 	.devs		= &spitz_pcmcia_scoop[0],
267 	.num_devs	= 2,
268 	.power_ctrl	= spitz_pcmcia_pwr,
269 };
270 
271 static void __init spitz_pcmcia_init(void)
272 {
273 	/* Akita has only one PCMCIA slot used */
274 	if (machine_is_akita())
275 		spitz_pcmcia_config.num_devs = 1;
276 
277 	platform_scoop_config = &spitz_pcmcia_config;
278 }
279 #else
280 static inline void spitz_pcmcia_init(void) {}
281 #endif
282 
283 /******************************************************************************
284  * GPIO keyboard
285  ******************************************************************************/
286 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
287 
288 #define SPITZ_KEY_CALENDAR	KEY_F1
289 #define SPITZ_KEY_ADDRESS	KEY_F2
290 #define SPITZ_KEY_FN		KEY_F3
291 #define SPITZ_KEY_CANCEL	KEY_F4
292 #define SPITZ_KEY_EXOK		KEY_F5
293 #define SPITZ_KEY_EXCANCEL	KEY_F6
294 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
295 #define SPITZ_KEY_EXJOGUP	KEY_F8
296 #define SPITZ_KEY_JAP1		KEY_LEFTALT
297 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
298 #define SPITZ_KEY_SYNC		KEY_F9
299 #define SPITZ_KEY_MAIL		KEY_F10
300 #define SPITZ_KEY_OK		KEY_F11
301 #define SPITZ_KEY_MENU		KEY_F12
302 
303 static const uint32_t spitz_keymap[] = {
304 	KEY(0, 0, KEY_LEFTCTRL),
305 	KEY(0, 1, KEY_1),
306 	KEY(0, 2, KEY_3),
307 	KEY(0, 3, KEY_5),
308 	KEY(0, 4, KEY_6),
309 	KEY(0, 5, KEY_7),
310 	KEY(0, 6, KEY_9),
311 	KEY(0, 7, KEY_0),
312 	KEY(0, 8, KEY_BACKSPACE),
313 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
314 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
315 	KEY(1, 1, KEY_2),
316 	KEY(1, 2, KEY_4),
317 	KEY(1, 3, KEY_R),
318 	KEY(1, 4, KEY_Y),
319 	KEY(1, 5, KEY_8),
320 	KEY(1, 6, KEY_I),
321 	KEY(1, 7, KEY_O),
322 	KEY(1, 8, KEY_P),
323 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
324 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
325 	KEY(2, 0, KEY_TAB),
326 	KEY(2, 1, KEY_Q),
327 	KEY(2, 2, KEY_E),
328 	KEY(2, 3, KEY_T),
329 	KEY(2, 4, KEY_G),
330 	KEY(2, 5, KEY_U),
331 	KEY(2, 6, KEY_J),
332 	KEY(2, 7, KEY_K),
333 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
334 	KEY(3, 1, KEY_W),
335 	KEY(3, 2, KEY_S),
336 	KEY(3, 3, KEY_F),
337 	KEY(3, 4, KEY_V),
338 	KEY(3, 5, KEY_H),
339 	KEY(3, 6, KEY_M),
340 	KEY(3, 7, KEY_L),
341 	KEY(3, 9, KEY_RIGHTSHIFT),
342 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
343 	KEY(4, 1, KEY_A),
344 	KEY(4, 2, KEY_D),
345 	KEY(4, 3, KEY_C),
346 	KEY(4, 4, KEY_B),
347 	KEY(4, 5, KEY_N),
348 	KEY(4, 6, KEY_DOT),
349 	KEY(4, 8, KEY_ENTER),
350 	KEY(4, 9, KEY_LEFTSHIFT),
351 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
352 	KEY(5, 1, KEY_Z),
353 	KEY(5, 2, KEY_X),
354 	KEY(5, 3, KEY_MINUS),
355 	KEY(5, 4, KEY_SPACE),
356 	KEY(5, 5, KEY_COMMA),
357 	KEY(5, 7, KEY_UP),
358 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
359 	KEY(6, 0, KEY_SYSRQ),
360 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
361 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
362 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
363 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
364 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
365 	KEY(6, 6, KEY_LEFT),
366 	KEY(6, 7, KEY_DOWN),
367 	KEY(6, 8, KEY_RIGHT),
368 };
369 
370 static const struct matrix_keymap_data spitz_keymap_data = {
371 	.keymap		= spitz_keymap,
372 	.keymap_size	= ARRAY_SIZE(spitz_keymap),
373 };
374 
375 static const uint32_t spitz_row_gpios[] =
376 		{ 12, 17, 91, 34, 36, 38, 39 };
377 static const uint32_t spitz_col_gpios[] =
378 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
379 
380 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
381 	.keymap_data		= &spitz_keymap_data,
382 	.row_gpios		= spitz_row_gpios,
383 	.col_gpios		= spitz_col_gpios,
384 	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
385 	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
386 	.col_scan_delay_us	= 10,
387 	.debounce_ms		= 10,
388 	.wakeup			= 1,
389 };
390 
391 static struct platform_device spitz_mkp_device = {
392 	.name		= "matrix-keypad",
393 	.id		= -1,
394 	.dev		= {
395 		.platform_data	= &spitz_mkp_pdata,
396 	},
397 };
398 
399 static void __init spitz_mkp_init(void)
400 {
401 	platform_device_register(&spitz_mkp_device);
402 }
403 #else
404 static inline void spitz_mkp_init(void) {}
405 #endif
406 
407 /******************************************************************************
408  * GPIO keys
409  ******************************************************************************/
410 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
411 static struct gpio_keys_button spitz_gpio_keys[] = {
412 	{
413 		.type	= EV_PWR,
414 		.code	= KEY_SUSPEND,
415 		.gpio	= SPITZ_GPIO_ON_KEY,
416 		.desc	= "On Off",
417 		.wakeup	= 1,
418 	},
419 	/* Two buttons detecting the lid state */
420 	{
421 		.type	= EV_SW,
422 		.code	= 0,
423 		.gpio	= SPITZ_GPIO_SWA,
424 		.desc	= "Display Down",
425 	},
426 	{
427 		.type	= EV_SW,
428 		.code	= 1,
429 		.gpio	= SPITZ_GPIO_SWB,
430 		.desc	= "Lid Closed",
431 	},
432 };
433 
434 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
435 	.buttons	= spitz_gpio_keys,
436 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
437 };
438 
439 static struct platform_device spitz_gpio_keys_device = {
440 	.name	= "gpio-keys",
441 	.id	= -1,
442 	.dev	= {
443 		.platform_data	= &spitz_gpio_keys_platform_data,
444 	},
445 };
446 
447 static void __init spitz_keys_init(void)
448 {
449 	platform_device_register(&spitz_gpio_keys_device);
450 }
451 #else
452 static inline void spitz_keys_init(void) {}
453 #endif
454 
455 /******************************************************************************
456  * LEDs
457  ******************************************************************************/
458 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
459 static struct gpio_led spitz_gpio_leds[] = {
460 	{
461 		.name			= "spitz:amber:charge",
462 		.default_trigger	= "sharpsl-charge",
463 		.gpio			= SPITZ_GPIO_LED_ORANGE,
464 	},
465 	{
466 		.name			= "spitz:green:hddactivity",
467 		.default_trigger	= "disk-activity",
468 		.gpio			= SPITZ_GPIO_LED_GREEN,
469 	},
470 };
471 
472 static struct gpio_led_platform_data spitz_gpio_leds_info = {
473 	.leds		= spitz_gpio_leds,
474 	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
475 };
476 
477 static struct platform_device spitz_led_device = {
478 	.name		= "leds-gpio",
479 	.id		= -1,
480 	.dev		= {
481 		.platform_data	= &spitz_gpio_leds_info,
482 	},
483 };
484 
485 static void __init spitz_leds_init(void)
486 {
487 	platform_device_register(&spitz_led_device);
488 }
489 #else
490 static inline void spitz_leds_init(void) {}
491 #endif
492 
493 /******************************************************************************
494  * SSP Devices
495  ******************************************************************************/
496 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
497 static void spitz_ads7846_wait_for_hsync(void)
498 {
499 	while (gpio_get_value(SPITZ_GPIO_HSYNC))
500 		cpu_relax();
501 
502 	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
503 		cpu_relax();
504 }
505 
506 static struct ads7846_platform_data spitz_ads7846_info = {
507 	.model			= 7846,
508 	.vref_delay_usecs	= 100,
509 	.x_plate_ohms		= 419,
510 	.y_plate_ohms		= 486,
511 	.pressure_max		= 1024,
512 	.gpio_pendown		= SPITZ_GPIO_TP_INT,
513 	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
514 };
515 
516 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
517 	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
518 };
519 
520 static void spitz_bl_kick_battery(void)
521 {
522 	void (*kick_batt)(void);
523 
524 	kick_batt = symbol_get(sharpsl_battery_kick);
525 	if (kick_batt) {
526 		kick_batt();
527 		symbol_put(sharpsl_battery_kick);
528 	}
529 }
530 
531 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
532 	.init_mode		= CORGI_LCD_MODE_VGA,
533 	.max_intensity		= 0x2f,
534 	.default_intensity	= 0x1f,
535 	.limit_mask		= 0x0b,
536 	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
537 	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
538 	.kick_battery		= spitz_bl_kick_battery,
539 };
540 
541 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
542 	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
543 };
544 
545 static struct pxa2xx_spi_chip spitz_max1111_chip = {
546 	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
547 };
548 
549 static struct spi_board_info spitz_spi_devices[] = {
550 	{
551 		.modalias		= "ads7846",
552 		.max_speed_hz		= 1200000,
553 		.bus_num		= 2,
554 		.chip_select		= 0,
555 		.platform_data		= &spitz_ads7846_info,
556 		.controller_data	= &spitz_ads7846_chip,
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 		.controller_data	= &spitz_lcdcon_chip,
565 	}, {
566 		.modalias		= "max1111",
567 		.max_speed_hz		= 450000,
568 		.bus_num		= 2,
569 		.chip_select		= 2,
570 		.controller_data	= &spitz_max1111_chip,
571 	},
572 };
573 
574 static struct pxa2xx_spi_master spitz_spi_info = {
575 	.num_chipselect	= 3,
576 };
577 
578 static void __init spitz_spi_init(void)
579 {
580 	struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
581 
582 	if (machine_is_akita()) {
583 		lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
584 		lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
585 	}
586 
587 	pxa2xx_set_spi_info(2, &spitz_spi_info);
588 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
589 }
590 #else
591 static inline void spitz_spi_init(void) {}
592 #endif
593 
594 /******************************************************************************
595  * SD/MMC card controller
596  ******************************************************************************/
597 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
598 /*
599  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
600  * give the card a chance to fully insert/eject.
601  */
602 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
603 {
604 	struct pxamci_platform_data* p_d = dev->platform_data;
605 
606 	if ((1 << vdd) & p_d->ocr_mask)
607 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
608 	else
609 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
610 
611 	return 0;
612 }
613 
614 static struct pxamci_platform_data spitz_mci_platform_data = {
615 	.detect_delay_ms	= 250,
616 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
617 	.setpower		= spitz_mci_setpower,
618 	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
619 	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
620 	.gpio_power		= -1,
621 };
622 
623 static void __init spitz_mmc_init(void)
624 {
625 	pxa_set_mci_info(&spitz_mci_platform_data);
626 }
627 #else
628 static inline void spitz_mmc_init(void) {}
629 #endif
630 
631 /******************************************************************************
632  * USB Host
633  ******************************************************************************/
634 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
635 static int spitz_ohci_init(struct device *dev)
636 {
637 	int err;
638 
639 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
640 	if (err)
641 		return err;
642 
643 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
644 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
645 
646 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
647 }
648 
649 static void spitz_ohci_exit(struct device *dev)
650 {
651 	gpio_free(SPITZ_GPIO_USB_HOST);
652 }
653 
654 static struct pxaohci_platform_data spitz_ohci_platform_data = {
655 	.port_mode	= PMM_NPS_MODE,
656 	.init		= spitz_ohci_init,
657 	.exit		= spitz_ohci_exit,
658 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
659 	.power_budget	= 150,
660 };
661 
662 static void __init spitz_uhc_init(void)
663 {
664 	pxa_set_ohci_info(&spitz_ohci_platform_data);
665 }
666 #else
667 static inline void spitz_uhc_init(void) {}
668 #endif
669 
670 /******************************************************************************
671  * IrDA
672  ******************************************************************************/
673 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
674 static struct pxaficp_platform_data spitz_ficp_platform_data = {
675 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
676 };
677 
678 static void __init spitz_irda_init(void)
679 {
680 	if (machine_is_akita())
681 		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
682 	else
683 		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
684 
685 	pxa_set_ficp_info(&spitz_ficp_platform_data);
686 }
687 #else
688 static inline void spitz_irda_init(void) {}
689 #endif
690 
691 /******************************************************************************
692  * Framebuffer
693  ******************************************************************************/
694 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
695 static struct pxafb_mode_info spitz_pxafb_modes[] = {
696 	{
697 		.pixclock       = 19231,
698 		.xres           = 480,
699 		.yres           = 640,
700 		.bpp            = 16,
701 		.hsync_len      = 40,
702 		.left_margin    = 46,
703 		.right_margin   = 125,
704 		.vsync_len      = 3,
705 		.upper_margin   = 1,
706 		.lower_margin   = 0,
707 		.sync           = 0,
708 	}, {
709 		.pixclock       = 134617,
710 		.xres           = 240,
711 		.yres           = 320,
712 		.bpp            = 16,
713 		.hsync_len      = 20,
714 		.left_margin    = 20,
715 		.right_margin   = 46,
716 		.vsync_len      = 2,
717 		.upper_margin   = 1,
718 		.lower_margin   = 0,
719 		.sync           = 0,
720 	},
721 };
722 
723 static struct pxafb_mach_info spitz_pxafb_info = {
724 	.modes          = spitz_pxafb_modes,
725 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
726 	.fixed_modes    = 1,
727 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
728 };
729 
730 static void __init spitz_lcd_init(void)
731 {
732 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
733 }
734 #else
735 static inline void spitz_lcd_init(void) {}
736 #endif
737 
738 /******************************************************************************
739  * NAND Flash
740  ******************************************************************************/
741 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
742 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
743 
744 static struct nand_bbt_descr spitz_nand_bbt = {
745 	.options	= 0,
746 	.offs		= 4,
747 	.len		= 2,
748 	.pattern	= scan_ff_pattern
749 };
750 
751 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
752 			       struct mtd_oob_region *oobregion)
753 {
754 	if (section > 12)
755 		return -ERANGE;
756 
757 	switch (section % 3) {
758 	case 0:
759 		oobregion->offset = 5;
760 		oobregion->length = 1;
761 		break;
762 
763 	case 1:
764 		oobregion->offset = 1;
765 		oobregion->length = 3;
766 		break;
767 
768 	case 2:
769 		oobregion->offset = 6;
770 		oobregion->length = 2;
771 		break;
772 	}
773 
774 	oobregion->offset += (section / 3) * 0x10;
775 
776 	return 0;
777 }
778 
779 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
780 				struct mtd_oob_region *oobregion)
781 {
782 	if (section)
783 		return -ERANGE;
784 
785 	oobregion->offset = 8;
786 	oobregion->length = 9;
787 
788 	return 0;
789 }
790 
791 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
792 	.ecc = akita_ooblayout_ecc,
793 	.free = akita_ooblayout_free,
794 };
795 
796 static const char * const probes[] = {
797 	"cmdlinepart",
798 	"ofpart",
799 	"sharpslpart",
800 	NULL,
801 };
802 
803 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
804 	.badblock_pattern	= &spitz_nand_bbt,
805 	.part_parsers		= probes,
806 };
807 
808 static struct resource spitz_nand_resources[] = {
809 	{
810 		.start	= PXA_CS3_PHYS,
811 		.end	= PXA_CS3_PHYS + SZ_4K - 1,
812 		.flags	= IORESOURCE_MEM,
813 	},
814 };
815 
816 static struct platform_device spitz_nand_device = {
817 	.name		= "sharpsl-nand",
818 	.id		= -1,
819 	.resource	= spitz_nand_resources,
820 	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
821 	.dev		= {
822 		.platform_data	= &spitz_nand_pdata,
823 	}
824 };
825 
826 static void __init spitz_nand_init(void)
827 {
828 	if (machine_is_akita() || machine_is_borzoi()) {
829 		spitz_nand_bbt.len = 1;
830 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
831 	}
832 
833 	platform_device_register(&spitz_nand_device);
834 }
835 #else
836 static inline void spitz_nand_init(void) {}
837 #endif
838 
839 /******************************************************************************
840  * NOR Flash
841  ******************************************************************************/
842 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
843 static struct mtd_partition spitz_rom_parts[] = {
844 	{
845 		.name	="Boot PROM Filesystem",
846 		.offset	= 0x00140000,
847 		.size	= MTDPART_SIZ_FULL,
848 	},
849 };
850 
851 static struct physmap_flash_data spitz_rom_data = {
852 	.width		= 2,
853 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
854 	.parts		= spitz_rom_parts,
855 };
856 
857 static struct resource spitz_rom_resources[] = {
858 	{
859 		.start	= PXA_CS0_PHYS,
860 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
861 		.flags	= IORESOURCE_MEM,
862 	},
863 };
864 
865 static struct platform_device spitz_rom_device = {
866 	.name		= "physmap-flash",
867 	.id		= -1,
868 	.resource	= spitz_rom_resources,
869 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
870 	.dev		= {
871 		.platform_data	= &spitz_rom_data,
872 	},
873 };
874 
875 static void __init spitz_nor_init(void)
876 {
877 	platform_device_register(&spitz_rom_device);
878 }
879 #else
880 static inline void spitz_nor_init(void) {}
881 #endif
882 
883 /******************************************************************************
884  * I2C devices
885  ******************************************************************************/
886 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
887 static struct pca953x_platform_data akita_pca953x_pdata = {
888 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
889 };
890 
891 static struct i2c_board_info spitz_i2c_devs[] = {
892 	{
893 		.type		= "wm8750",
894 		.addr		= 0x1b,
895 	}, {
896 		.type		= "max7310",
897 		.addr		= 0x18,
898 		.platform_data	= &akita_pca953x_pdata,
899 	},
900 };
901 
902 static struct regulator_consumer_supply isl6271a_consumers[] = {
903 	REGULATOR_SUPPLY("vcc_core", NULL),
904 };
905 
906 static struct regulator_init_data isl6271a_info[] = {
907 	{
908 		.constraints = {
909 			.name		= "vcc_core range",
910 			.min_uV		= 850000,
911 			.max_uV		= 1600000,
912 			.always_on	= 1,
913 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
914 		},
915 	.consumer_supplies	= isl6271a_consumers,
916 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
917 	}
918 };
919 
920 static struct i2c_board_info spitz_pi2c_devs[] = {
921 	{
922 		.type		= "isl6271a",
923 		.addr		= 0x0c,
924 		.platform_data	= &isl6271a_info,
925 	},
926 };
927 
928 static void __init spitz_i2c_init(void)
929 {
930 	int size = ARRAY_SIZE(spitz_i2c_devs);
931 
932 	/* Only Akita has the max7310 chip */
933 	if (!machine_is_akita())
934 		size--;
935 
936 	pxa_set_i2c_info(NULL);
937 	pxa27x_set_i2c_power_info(NULL);
938 	i2c_register_board_info(0, spitz_i2c_devs, size);
939 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
940 }
941 #else
942 static inline void spitz_i2c_init(void) {}
943 #endif
944 
945 /******************************************************************************
946  * Audio devices
947  ******************************************************************************/
948 static inline void spitz_audio_init(void)
949 {
950 	platform_device_register_simple("spitz-audio", -1, NULL, 0);
951 }
952 
953 /******************************************************************************
954  * Machine init
955  ******************************************************************************/
956 static void spitz_poweroff(void)
957 {
958 	pxa_restart(REBOOT_GPIO, NULL);
959 }
960 
961 static void spitz_restart(enum reboot_mode mode, const char *cmd)
962 {
963 	uint32_t msc0 = __raw_readl(MSC0);
964 	/* Bootloader magic for a reboot */
965 	if ((msc0 & 0xffff0000) == 0x7ff00000)
966 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
967 
968 	spitz_poweroff();
969 }
970 
971 static void __init spitz_init(void)
972 {
973 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
974 	pm_power_off = spitz_poweroff;
975 
976 	PMCR = 0x00;
977 
978 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
979 	PCFR |= PCFR_OPDE;
980 
981 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
982 
983 	pxa_set_ffuart_info(NULL);
984 	pxa_set_btuart_info(NULL);
985 	pxa_set_stuart_info(NULL);
986 
987 	spitz_spi_init();
988 	spitz_scoop_init();
989 	spitz_mkp_init();
990 	spitz_keys_init();
991 	spitz_leds_init();
992 	spitz_mmc_init();
993 	spitz_pcmcia_init();
994 	spitz_irda_init();
995 	spitz_uhc_init();
996 	spitz_lcd_init();
997 	spitz_nor_init();
998 	spitz_nand_init();
999 	spitz_i2c_init();
1000 	spitz_audio_init();
1001 
1002 	regulator_has_full_constraints();
1003 }
1004 
1005 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1006 {
1007 	sharpsl_save_param();
1008 	memblock_add(0xa0000000, SZ_64M);
1009 }
1010 
1011 #ifdef CONFIG_MACH_SPITZ
1012 MACHINE_START(SPITZ, "SHARP Spitz")
1013 	.fixup		= spitz_fixup,
1014 	.map_io		= pxa27x_map_io,
1015 	.nr_irqs	= PXA_NR_IRQS,
1016 	.init_irq	= pxa27x_init_irq,
1017 	.handle_irq	= pxa27x_handle_irq,
1018 	.init_machine	= spitz_init,
1019 	.init_time	= pxa_timer_init,
1020 	.restart	= spitz_restart,
1021 MACHINE_END
1022 #endif
1023 
1024 #ifdef CONFIG_MACH_BORZOI
1025 MACHINE_START(BORZOI, "SHARP Borzoi")
1026 	.fixup		= spitz_fixup,
1027 	.map_io		= pxa27x_map_io,
1028 	.nr_irqs	= PXA_NR_IRQS,
1029 	.init_irq	= pxa27x_init_irq,
1030 	.handle_irq	= pxa27x_handle_irq,
1031 	.init_machine	= spitz_init,
1032 	.init_time	= pxa_timer_init,
1033 	.restart	= spitz_restart,
1034 MACHINE_END
1035 #endif
1036 
1037 #ifdef CONFIG_MACH_AKITA
1038 MACHINE_START(AKITA, "SHARP Akita")
1039 	.fixup		= spitz_fixup,
1040 	.map_io		= pxa27x_map_io,
1041 	.nr_irqs	= PXA_NR_IRQS,
1042 	.init_irq	= pxa27x_init_irq,
1043 	.handle_irq	= pxa27x_handle_irq,
1044 	.init_machine	= spitz_init,
1045 	.init_time	= pxa_timer_init,
1046 	.restart	= spitz_restart,
1047 MACHINE_END
1048 #endif
1049