xref: /openbmc/linux/arch/arm/mach-pxa/spitz.c (revision 293d5b43)
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/i2c/pxa-i2c.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/module.h>
35 #include <linux/reboot.h>
36 #include <linux/memblock.h>
37 
38 #include <asm/setup.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/sharpsl_param.h>
42 #include <asm/hardware/scoop.h>
43 
44 #include "pxa27x.h"
45 #include "pxa27x-udc.h"
46 #include <mach/reset.h>
47 #include <linux/platform_data/irda-pxaficp.h>
48 #include <linux/platform_data/mmc-pxamci.h>
49 #include <linux/platform_data/usb-ohci-pxa27x.h>
50 #include <linux/platform_data/video-pxafb.h>
51 #include <mach/spitz.h>
52 #include "sharpsl_pm.h"
53 #include <mach/smemc.h>
54 
55 #include "generic.h"
56 #include "devices.h"
57 
58 /******************************************************************************
59  * Pin configuration
60  ******************************************************************************/
61 static unsigned long spitz_pin_config[] __initdata = {
62 	/* Chip Selects */
63 	GPIO78_nCS_2,	/* SCOOP #2 */
64 	GPIO79_nCS_3,	/* NAND */
65 	GPIO80_nCS_4,	/* SCOOP #1 */
66 
67 	/* LCD - 16bpp Active TFT */
68 	GPIOxx_LCD_TFT_16BPP,
69 
70 	/* PC Card */
71 	GPIO48_nPOE,
72 	GPIO49_nPWE,
73 	GPIO50_nPIOR,
74 	GPIO51_nPIOW,
75 	GPIO85_nPCE_1,
76 	GPIO54_nPCE_2,
77 	GPIO55_nPREG,
78 	GPIO56_nPWAIT,
79 	GPIO57_nIOIS16,
80 	GPIO104_PSKTSEL,
81 
82 	/* I2S */
83 	GPIO28_I2S_BITCLK_OUT,
84 	GPIO29_I2S_SDATA_IN,
85 	GPIO30_I2S_SDATA_OUT,
86 	GPIO31_I2S_SYNC,
87 
88 	/* MMC */
89 	GPIO32_MMC_CLK,
90 	GPIO112_MMC_CMD,
91 	GPIO92_MMC_DAT_0,
92 	GPIO109_MMC_DAT_1,
93 	GPIO110_MMC_DAT_2,
94 	GPIO111_MMC_DAT_3,
95 
96 	/* GPIOs */
97 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
98 	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
99 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
100 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
101 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
102 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
103 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
104 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
105 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
106 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
107 
108 	/* GPIO matrix keypad */
109 	GPIO88_GPIO,	/* column 0 */
110 	GPIO23_GPIO,	/* column 1 */
111 	GPIO24_GPIO,	/* column 2 */
112 	GPIO25_GPIO,	/* column 3 */
113 	GPIO26_GPIO,	/* column 4 */
114 	GPIO27_GPIO,	/* column 5 */
115 	GPIO52_GPIO,	/* column 6 */
116 	GPIO103_GPIO,	/* column 7 */
117 	GPIO107_GPIO,	/* column 8 */
118 	GPIO108_GPIO,	/* column 9 */
119 	GPIO114_GPIO,	/* column 10 */
120 	GPIO12_GPIO,	/* row 0 */
121 	GPIO17_GPIO,	/* row 1 */
122 	GPIO91_GPIO,	/* row 2 */
123 	GPIO34_GPIO,	/* row 3 */
124 	GPIO36_GPIO,	/* row 4 */
125 	GPIO38_GPIO,	/* row 5 */
126 	GPIO39_GPIO,	/* row 6 */
127 
128 	/* I2C */
129 	GPIO117_I2C_SCL,
130 	GPIO118_I2C_SDA,
131 
132 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
133 	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
134 };
135 
136 
137 /******************************************************************************
138  * Scoop GPIO expander
139  ******************************************************************************/
140 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
141 /* SCOOP Device #1 */
142 static struct resource spitz_scoop_1_resources[] = {
143 	[0] = {
144 		.start		= 0x10800000,
145 		.end		= 0x10800fff,
146 		.flags		= IORESOURCE_MEM,
147 	},
148 };
149 
150 static struct scoop_config spitz_scoop_1_setup = {
151 	.io_dir		= SPITZ_SCP_IO_DIR,
152 	.io_out		= SPITZ_SCP_IO_OUT,
153 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
154 	.suspend_set	= SPITZ_SCP_SUS_SET,
155 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
156 };
157 
158 struct platform_device spitz_scoop_1_device = {
159 	.name		= "sharp-scoop",
160 	.id		= 0,
161 	.dev		= {
162 		.platform_data	= &spitz_scoop_1_setup,
163 	},
164 	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
165 	.resource	= spitz_scoop_1_resources,
166 };
167 
168 /* SCOOP Device #2 */
169 static struct resource spitz_scoop_2_resources[] = {
170 	[0] = {
171 		.start		= 0x08800040,
172 		.end		= 0x08800fff,
173 		.flags		= IORESOURCE_MEM,
174 	},
175 };
176 
177 static struct scoop_config spitz_scoop_2_setup = {
178 	.io_dir		= SPITZ_SCP2_IO_DIR,
179 	.io_out		= SPITZ_SCP2_IO_OUT,
180 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
181 	.suspend_set	= SPITZ_SCP2_SUS_SET,
182 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
183 };
184 
185 struct platform_device spitz_scoop_2_device = {
186 	.name		= "sharp-scoop",
187 	.id		= 1,
188 	.dev		= {
189 		.platform_data	= &spitz_scoop_2_setup,
190 	},
191 	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
192 	.resource	= spitz_scoop_2_resources,
193 };
194 
195 static void __init spitz_scoop_init(void)
196 {
197 	platform_device_register(&spitz_scoop_1_device);
198 
199 	/* Akita doesn't have the second SCOOP chip */
200 	if (!machine_is_akita())
201 		platform_device_register(&spitz_scoop_2_device);
202 }
203 
204 /* Power control is shared with between one of the CF slots and SD */
205 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
206 {
207 	unsigned short cpr;
208 	unsigned long flags;
209 
210 	if (new_cpr & 0x7) {
211 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
212 		mdelay(5);
213 	}
214 
215 	local_irq_save(flags);
216 
217 	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
218 
219 	if (enable & new_cpr)
220 		cpr |= new_cpr;
221 	else
222 		cpr &= ~enable;
223 
224 	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
225 
226 	local_irq_restore(flags);
227 
228 	if (!(cpr & 0x7)) {
229 		mdelay(1);
230 		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
231 	}
232 }
233 
234 #else
235 static inline void spitz_scoop_init(void) {}
236 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
237 #endif
238 
239 /******************************************************************************
240  * PCMCIA
241  ******************************************************************************/
242 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
243 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
244 {
245 	/* Only need to override behaviour for slot 0 */
246 	if (nr == 0)
247 		spitz_card_pwr_ctrl(
248 			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
249 	else
250 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
251 }
252 
253 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
254 	{
255 		.dev		= &spitz_scoop_1_device.dev,
256 		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
257 		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
258 		.cd_irq_str	= "PCMCIA0 CD",
259 	}, {
260 		.dev		= &spitz_scoop_2_device.dev,
261 		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
262 		.cd_irq		= -1,
263 	},
264 };
265 
266 static struct scoop_pcmcia_config spitz_pcmcia_config = {
267 	.devs		= &spitz_pcmcia_scoop[0],
268 	.num_devs	= 2,
269 	.power_ctrl	= spitz_pcmcia_pwr,
270 };
271 
272 static void __init spitz_pcmcia_init(void)
273 {
274 	/* Akita has only one PCMCIA slot used */
275 	if (machine_is_akita())
276 		spitz_pcmcia_config.num_devs = 1;
277 
278 	platform_scoop_config = &spitz_pcmcia_config;
279 }
280 #else
281 static inline void spitz_pcmcia_init(void) {}
282 #endif
283 
284 /******************************************************************************
285  * GPIO keyboard
286  ******************************************************************************/
287 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
288 
289 #define SPITZ_KEY_CALENDAR	KEY_F1
290 #define SPITZ_KEY_ADDRESS	KEY_F2
291 #define SPITZ_KEY_FN		KEY_F3
292 #define SPITZ_KEY_CANCEL	KEY_F4
293 #define SPITZ_KEY_EXOK		KEY_F5
294 #define SPITZ_KEY_EXCANCEL	KEY_F6
295 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
296 #define SPITZ_KEY_EXJOGUP	KEY_F8
297 #define SPITZ_KEY_JAP1		KEY_LEFTALT
298 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
299 #define SPITZ_KEY_SYNC		KEY_F9
300 #define SPITZ_KEY_MAIL		KEY_F10
301 #define SPITZ_KEY_OK		KEY_F11
302 #define SPITZ_KEY_MENU		KEY_F12
303 
304 static const uint32_t spitz_keymap[] = {
305 	KEY(0, 0, KEY_LEFTCTRL),
306 	KEY(0, 1, KEY_1),
307 	KEY(0, 2, KEY_3),
308 	KEY(0, 3, KEY_5),
309 	KEY(0, 4, KEY_6),
310 	KEY(0, 5, KEY_7),
311 	KEY(0, 6, KEY_9),
312 	KEY(0, 7, KEY_0),
313 	KEY(0, 8, KEY_BACKSPACE),
314 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
315 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
316 	KEY(1, 1, KEY_2),
317 	KEY(1, 2, KEY_4),
318 	KEY(1, 3, KEY_R),
319 	KEY(1, 4, KEY_Y),
320 	KEY(1, 5, KEY_8),
321 	KEY(1, 6, KEY_I),
322 	KEY(1, 7, KEY_O),
323 	KEY(1, 8, KEY_P),
324 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
325 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
326 	KEY(2, 0, KEY_TAB),
327 	KEY(2, 1, KEY_Q),
328 	KEY(2, 2, KEY_E),
329 	KEY(2, 3, KEY_T),
330 	KEY(2, 4, KEY_G),
331 	KEY(2, 5, KEY_U),
332 	KEY(2, 6, KEY_J),
333 	KEY(2, 7, KEY_K),
334 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
335 	KEY(3, 1, KEY_W),
336 	KEY(3, 2, KEY_S),
337 	KEY(3, 3, KEY_F),
338 	KEY(3, 4, KEY_V),
339 	KEY(3, 5, KEY_H),
340 	KEY(3, 6, KEY_M),
341 	KEY(3, 7, KEY_L),
342 	KEY(3, 9, KEY_RIGHTSHIFT),
343 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
344 	KEY(4, 1, KEY_A),
345 	KEY(4, 2, KEY_D),
346 	KEY(4, 3, KEY_C),
347 	KEY(4, 4, KEY_B),
348 	KEY(4, 5, KEY_N),
349 	KEY(4, 6, KEY_DOT),
350 	KEY(4, 8, KEY_ENTER),
351 	KEY(4, 9, KEY_LEFTSHIFT),
352 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
353 	KEY(5, 1, KEY_Z),
354 	KEY(5, 2, KEY_X),
355 	KEY(5, 3, KEY_MINUS),
356 	KEY(5, 4, KEY_SPACE),
357 	KEY(5, 5, KEY_COMMA),
358 	KEY(5, 7, KEY_UP),
359 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
360 	KEY(6, 0, KEY_SYSRQ),
361 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
362 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
363 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
364 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
365 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
366 	KEY(6, 6, KEY_LEFT),
367 	KEY(6, 7, KEY_DOWN),
368 	KEY(6, 8, KEY_RIGHT),
369 };
370 
371 static const struct matrix_keymap_data spitz_keymap_data = {
372 	.keymap		= spitz_keymap,
373 	.keymap_size	= ARRAY_SIZE(spitz_keymap),
374 };
375 
376 static const uint32_t spitz_row_gpios[] =
377 		{ 12, 17, 91, 34, 36, 38, 39 };
378 static const uint32_t spitz_col_gpios[] =
379 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
380 
381 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
382 	.keymap_data		= &spitz_keymap_data,
383 	.row_gpios		= spitz_row_gpios,
384 	.col_gpios		= spitz_col_gpios,
385 	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
386 	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
387 	.col_scan_delay_us	= 10,
388 	.debounce_ms		= 10,
389 	.wakeup			= 1,
390 };
391 
392 static struct platform_device spitz_mkp_device = {
393 	.name		= "matrix-keypad",
394 	.id		= -1,
395 	.dev		= {
396 		.platform_data	= &spitz_mkp_pdata,
397 	},
398 };
399 
400 static void __init spitz_mkp_init(void)
401 {
402 	platform_device_register(&spitz_mkp_device);
403 }
404 #else
405 static inline void spitz_mkp_init(void) {}
406 #endif
407 
408 /******************************************************************************
409  * GPIO keys
410  ******************************************************************************/
411 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
412 static struct gpio_keys_button spitz_gpio_keys[] = {
413 	{
414 		.type	= EV_PWR,
415 		.code	= KEY_SUSPEND,
416 		.gpio	= SPITZ_GPIO_ON_KEY,
417 		.desc	= "On Off",
418 		.wakeup	= 1,
419 	},
420 	/* Two buttons detecting the lid state */
421 	{
422 		.type	= EV_SW,
423 		.code	= 0,
424 		.gpio	= SPITZ_GPIO_SWA,
425 		.desc	= "Display Down",
426 	},
427 	{
428 		.type	= EV_SW,
429 		.code	= 1,
430 		.gpio	= SPITZ_GPIO_SWB,
431 		.desc	= "Lid Closed",
432 	},
433 };
434 
435 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
436 	.buttons	= spitz_gpio_keys,
437 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
438 };
439 
440 static struct platform_device spitz_gpio_keys_device = {
441 	.name	= "gpio-keys",
442 	.id	= -1,
443 	.dev	= {
444 		.platform_data	= &spitz_gpio_keys_platform_data,
445 	},
446 };
447 
448 static void __init spitz_keys_init(void)
449 {
450 	platform_device_register(&spitz_gpio_keys_device);
451 }
452 #else
453 static inline void spitz_keys_init(void) {}
454 #endif
455 
456 /******************************************************************************
457  * LEDs
458  ******************************************************************************/
459 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
460 static struct gpio_led spitz_gpio_leds[] = {
461 	{
462 		.name			= "spitz:amber:charge",
463 		.default_trigger	= "sharpsl-charge",
464 		.gpio			= SPITZ_GPIO_LED_ORANGE,
465 	},
466 	{
467 		.name			= "spitz:green:hddactivity",
468 		.default_trigger	= "disk-activity",
469 		.gpio			= SPITZ_GPIO_LED_GREEN,
470 	},
471 };
472 
473 static struct gpio_led_platform_data spitz_gpio_leds_info = {
474 	.leds		= spitz_gpio_leds,
475 	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
476 };
477 
478 static struct platform_device spitz_led_device = {
479 	.name		= "leds-gpio",
480 	.id		= -1,
481 	.dev		= {
482 		.platform_data	= &spitz_gpio_leds_info,
483 	},
484 };
485 
486 static void __init spitz_leds_init(void)
487 {
488 	platform_device_register(&spitz_led_device);
489 }
490 #else
491 static inline void spitz_leds_init(void) {}
492 #endif
493 
494 /******************************************************************************
495  * SSP Devices
496  ******************************************************************************/
497 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
498 static void spitz_ads7846_wait_for_hsync(void)
499 {
500 	while (gpio_get_value(SPITZ_GPIO_HSYNC))
501 		cpu_relax();
502 
503 	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
504 		cpu_relax();
505 }
506 
507 static struct ads7846_platform_data spitz_ads7846_info = {
508 	.model			= 7846,
509 	.vref_delay_usecs	= 100,
510 	.x_plate_ohms		= 419,
511 	.y_plate_ohms		= 486,
512 	.pressure_max		= 1024,
513 	.gpio_pendown		= SPITZ_GPIO_TP_INT,
514 	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
515 };
516 
517 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
518 	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
519 };
520 
521 static void spitz_bl_kick_battery(void)
522 {
523 	void (*kick_batt)(void);
524 
525 	kick_batt = symbol_get(sharpsl_battery_kick);
526 	if (kick_batt) {
527 		kick_batt();
528 		symbol_put(sharpsl_battery_kick);
529 	}
530 }
531 
532 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
533 	.init_mode		= CORGI_LCD_MODE_VGA,
534 	.max_intensity		= 0x2f,
535 	.default_intensity	= 0x1f,
536 	.limit_mask		= 0x0b,
537 	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
538 	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
539 	.kick_battery		= spitz_bl_kick_battery,
540 };
541 
542 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
543 	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
544 };
545 
546 static struct pxa2xx_spi_chip spitz_max1111_chip = {
547 	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
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 		.controller_data	= &spitz_ads7846_chip,
558 		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
559 	}, {
560 		.modalias		= "corgi-lcd",
561 		.max_speed_hz		= 50000,
562 		.bus_num		= 2,
563 		.chip_select		= 1,
564 		.platform_data		= &spitz_lcdcon_info,
565 		.controller_data	= &spitz_lcdcon_chip,
566 	}, {
567 		.modalias		= "max1111",
568 		.max_speed_hz		= 450000,
569 		.bus_num		= 2,
570 		.chip_select		= 2,
571 		.controller_data	= &spitz_max1111_chip,
572 	},
573 };
574 
575 static struct pxa2xx_spi_master spitz_spi_info = {
576 	.num_chipselect	= 3,
577 };
578 
579 static void __init spitz_spi_init(void)
580 {
581 	struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
582 
583 	if (machine_is_akita()) {
584 		lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
585 		lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
586 	}
587 
588 	pxa2xx_set_spi_info(2, &spitz_spi_info);
589 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
590 }
591 #else
592 static inline void spitz_spi_init(void) {}
593 #endif
594 
595 /******************************************************************************
596  * SD/MMC card controller
597  ******************************************************************************/
598 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
599 /*
600  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
601  * give the card a chance to fully insert/eject.
602  */
603 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
604 {
605 	struct pxamci_platform_data* p_d = dev->platform_data;
606 
607 	if ((1 << vdd) & p_d->ocr_mask)
608 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
609 	else
610 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
611 
612 	return 0;
613 }
614 
615 static struct pxamci_platform_data spitz_mci_platform_data = {
616 	.detect_delay_ms	= 250,
617 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
618 	.setpower		= spitz_mci_setpower,
619 	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
620 	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
621 	.gpio_power		= -1,
622 };
623 
624 static void __init spitz_mmc_init(void)
625 {
626 	pxa_set_mci_info(&spitz_mci_platform_data);
627 }
628 #else
629 static inline void spitz_mmc_init(void) {}
630 #endif
631 
632 /******************************************************************************
633  * USB Host
634  ******************************************************************************/
635 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
636 static int spitz_ohci_init(struct device *dev)
637 {
638 	int err;
639 
640 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
641 	if (err)
642 		return err;
643 
644 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
645 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
646 
647 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
648 }
649 
650 static void spitz_ohci_exit(struct device *dev)
651 {
652 	gpio_free(SPITZ_GPIO_USB_HOST);
653 }
654 
655 static struct pxaohci_platform_data spitz_ohci_platform_data = {
656 	.port_mode	= PMM_NPS_MODE,
657 	.init		= spitz_ohci_init,
658 	.exit		= spitz_ohci_exit,
659 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
660 	.power_budget	= 150,
661 };
662 
663 static void __init spitz_uhc_init(void)
664 {
665 	pxa_set_ohci_info(&spitz_ohci_platform_data);
666 }
667 #else
668 static inline void spitz_uhc_init(void) {}
669 #endif
670 
671 /******************************************************************************
672  * IrDA
673  ******************************************************************************/
674 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
675 static struct pxaficp_platform_data spitz_ficp_platform_data = {
676 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
677 };
678 
679 static void __init spitz_irda_init(void)
680 {
681 	if (machine_is_akita())
682 		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
683 	else
684 		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
685 
686 	pxa_set_ficp_info(&spitz_ficp_platform_data);
687 }
688 #else
689 static inline void spitz_irda_init(void) {}
690 #endif
691 
692 /******************************************************************************
693  * Framebuffer
694  ******************************************************************************/
695 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
696 static struct pxafb_mode_info spitz_pxafb_modes[] = {
697 	{
698 		.pixclock       = 19231,
699 		.xres           = 480,
700 		.yres           = 640,
701 		.bpp            = 16,
702 		.hsync_len      = 40,
703 		.left_margin    = 46,
704 		.right_margin   = 125,
705 		.vsync_len      = 3,
706 		.upper_margin   = 1,
707 		.lower_margin   = 0,
708 		.sync           = 0,
709 	}, {
710 		.pixclock       = 134617,
711 		.xres           = 240,
712 		.yres           = 320,
713 		.bpp            = 16,
714 		.hsync_len      = 20,
715 		.left_margin    = 20,
716 		.right_margin   = 46,
717 		.vsync_len      = 2,
718 		.upper_margin   = 1,
719 		.lower_margin   = 0,
720 		.sync           = 0,
721 	},
722 };
723 
724 static struct pxafb_mach_info spitz_pxafb_info = {
725 	.modes          = spitz_pxafb_modes,
726 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
727 	.fixed_modes    = 1,
728 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
729 };
730 
731 static void __init spitz_lcd_init(void)
732 {
733 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
734 }
735 #else
736 static inline void spitz_lcd_init(void) {}
737 #endif
738 
739 /******************************************************************************
740  * NAND Flash
741  ******************************************************************************/
742 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
743 static struct mtd_partition spitz_nand_partitions[] = {
744 	{
745 		.name = "System Area",
746 		.offset = 0,
747 		.size = 7 * 1024 * 1024,
748 	}, {
749 		.name = "Root Filesystem",
750 		.offset = 7 * 1024 * 1024,
751 	}, {
752 		.name = "Home Filesystem",
753 		.offset = MTDPART_OFS_APPEND,
754 		.size = MTDPART_SIZ_FULL,
755 	},
756 };
757 
758 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
759 
760 static struct nand_bbt_descr spitz_nand_bbt = {
761 	.options	= 0,
762 	.offs		= 4,
763 	.len		= 2,
764 	.pattern	= scan_ff_pattern
765 };
766 
767 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
768 			       struct mtd_oob_region *oobregion)
769 {
770 	if (section > 12)
771 		return -ERANGE;
772 
773 	switch (section % 3) {
774 	case 0:
775 		oobregion->offset = 5;
776 		oobregion->length = 1;
777 		break;
778 
779 	case 1:
780 		oobregion->offset = 1;
781 		oobregion->length = 3;
782 		break;
783 
784 	case 2:
785 		oobregion->offset = 6;
786 		oobregion->length = 2;
787 		break;
788 	}
789 
790 	oobregion->offset += (section / 3) * 0x10;
791 
792 	return 0;
793 }
794 
795 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
796 				struct mtd_oob_region *oobregion)
797 {
798 	if (section)
799 		return -ERANGE;
800 
801 	oobregion->offset = 8;
802 	oobregion->length = 9;
803 
804 	return 0;
805 }
806 
807 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
808 	.ecc = akita_ooblayout_ecc,
809 	.free = akita_ooblayout_free,
810 };
811 
812 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
813 	.badblock_pattern	= &spitz_nand_bbt,
814 	.partitions		= spitz_nand_partitions,
815 	.nr_partitions		= ARRAY_SIZE(spitz_nand_partitions),
816 };
817 
818 static struct resource spitz_nand_resources[] = {
819 	{
820 		.start	= PXA_CS3_PHYS,
821 		.end	= PXA_CS3_PHYS + SZ_4K - 1,
822 		.flags	= IORESOURCE_MEM,
823 	},
824 };
825 
826 static struct platform_device spitz_nand_device = {
827 	.name		= "sharpsl-nand",
828 	.id		= -1,
829 	.resource	= spitz_nand_resources,
830 	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
831 	.dev		= {
832 		.platform_data	= &spitz_nand_pdata,
833 	}
834 };
835 
836 static void __init spitz_nand_init(void)
837 {
838 	if (machine_is_spitz()) {
839 		spitz_nand_partitions[1].size = 5 * 1024 * 1024;
840 	} else if (machine_is_akita()) {
841 		spitz_nand_partitions[1].size = 58 * 1024 * 1024;
842 		spitz_nand_bbt.len = 1;
843 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
844 	} else if (machine_is_borzoi()) {
845 		spitz_nand_partitions[1].size = 32 * 1024 * 1024;
846 		spitz_nand_bbt.len = 1;
847 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
848 	}
849 
850 	platform_device_register(&spitz_nand_device);
851 }
852 #else
853 static inline void spitz_nand_init(void) {}
854 #endif
855 
856 /******************************************************************************
857  * NOR Flash
858  ******************************************************************************/
859 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
860 static struct mtd_partition spitz_rom_parts[] = {
861 	{
862 		.name	="Boot PROM Filesystem",
863 		.offset	= 0x00140000,
864 		.size	= MTDPART_SIZ_FULL,
865 	},
866 };
867 
868 static struct physmap_flash_data spitz_rom_data = {
869 	.width		= 2,
870 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
871 	.parts		= spitz_rom_parts,
872 };
873 
874 static struct resource spitz_rom_resources[] = {
875 	{
876 		.start	= PXA_CS0_PHYS,
877 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
878 		.flags	= IORESOURCE_MEM,
879 	},
880 };
881 
882 static struct platform_device spitz_rom_device = {
883 	.name		= "physmap-flash",
884 	.id		= -1,
885 	.resource	= spitz_rom_resources,
886 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
887 	.dev		= {
888 		.platform_data	= &spitz_rom_data,
889 	},
890 };
891 
892 static void __init spitz_nor_init(void)
893 {
894 	platform_device_register(&spitz_rom_device);
895 }
896 #else
897 static inline void spitz_nor_init(void) {}
898 #endif
899 
900 /******************************************************************************
901  * I2C devices
902  ******************************************************************************/
903 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
904 static struct pca953x_platform_data akita_pca953x_pdata = {
905 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
906 };
907 
908 static struct i2c_board_info spitz_i2c_devs[] = {
909 	{
910 		.type		= "wm8750",
911 		.addr		= 0x1b,
912 	}, {
913 		.type		= "max7310",
914 		.addr		= 0x18,
915 		.platform_data	= &akita_pca953x_pdata,
916 	},
917 };
918 
919 static struct regulator_consumer_supply isl6271a_consumers[] = {
920 	REGULATOR_SUPPLY("vcc_core", NULL),
921 };
922 
923 static struct regulator_init_data isl6271a_info[] = {
924 	{
925 		.constraints = {
926 			.name		= "vcc_core range",
927 			.min_uV		= 850000,
928 			.max_uV		= 1600000,
929 			.always_on	= 1,
930 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
931 		},
932 	.consumer_supplies	= isl6271a_consumers,
933 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
934 	}
935 };
936 
937 static struct i2c_board_info spitz_pi2c_devs[] = {
938 	{
939 		.type		= "isl6271a",
940 		.addr		= 0x0c,
941 		.platform_data	= &isl6271a_info,
942 	},
943 };
944 
945 static void __init spitz_i2c_init(void)
946 {
947 	int size = ARRAY_SIZE(spitz_i2c_devs);
948 
949 	/* Only Akita has the max7310 chip */
950 	if (!machine_is_akita())
951 		size--;
952 
953 	pxa_set_i2c_info(NULL);
954 	pxa27x_set_i2c_power_info(NULL);
955 	i2c_register_board_info(0, spitz_i2c_devs, size);
956 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
957 }
958 #else
959 static inline void spitz_i2c_init(void) {}
960 #endif
961 
962 /******************************************************************************
963  * Audio devices
964  ******************************************************************************/
965 static inline void spitz_audio_init(void)
966 {
967 	platform_device_register_simple("spitz-audio", -1, NULL, 0);
968 }
969 
970 /******************************************************************************
971  * Machine init
972  ******************************************************************************/
973 static void spitz_poweroff(void)
974 {
975 	pxa_restart(REBOOT_GPIO, NULL);
976 }
977 
978 static void spitz_restart(enum reboot_mode mode, const char *cmd)
979 {
980 	uint32_t msc0 = __raw_readl(MSC0);
981 	/* Bootloader magic for a reboot */
982 	if ((msc0 & 0xffff0000) == 0x7ff00000)
983 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
984 
985 	spitz_poweroff();
986 }
987 
988 static void __init spitz_init(void)
989 {
990 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
991 	pm_power_off = spitz_poweroff;
992 
993 	PMCR = 0x00;
994 
995 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
996 	PCFR |= PCFR_OPDE;
997 
998 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
999 
1000 	pxa_set_ffuart_info(NULL);
1001 	pxa_set_btuart_info(NULL);
1002 	pxa_set_stuart_info(NULL);
1003 
1004 	spitz_spi_init();
1005 	spitz_scoop_init();
1006 	spitz_mkp_init();
1007 	spitz_keys_init();
1008 	spitz_leds_init();
1009 	spitz_mmc_init();
1010 	spitz_pcmcia_init();
1011 	spitz_irda_init();
1012 	spitz_uhc_init();
1013 	spitz_lcd_init();
1014 	spitz_nor_init();
1015 	spitz_nand_init();
1016 	spitz_i2c_init();
1017 	spitz_audio_init();
1018 
1019 	regulator_has_full_constraints();
1020 }
1021 
1022 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1023 {
1024 	sharpsl_save_param();
1025 	memblock_add(0xa0000000, SZ_64M);
1026 }
1027 
1028 #ifdef CONFIG_MACH_SPITZ
1029 MACHINE_START(SPITZ, "SHARP Spitz")
1030 	.fixup		= spitz_fixup,
1031 	.map_io		= pxa27x_map_io,
1032 	.nr_irqs	= PXA_NR_IRQS,
1033 	.init_irq	= pxa27x_init_irq,
1034 	.handle_irq	= pxa27x_handle_irq,
1035 	.init_machine	= spitz_init,
1036 	.init_time	= pxa_timer_init,
1037 	.restart	= spitz_restart,
1038 MACHINE_END
1039 #endif
1040 
1041 #ifdef CONFIG_MACH_BORZOI
1042 MACHINE_START(BORZOI, "SHARP Borzoi")
1043 	.fixup		= spitz_fixup,
1044 	.map_io		= pxa27x_map_io,
1045 	.nr_irqs	= PXA_NR_IRQS,
1046 	.init_irq	= pxa27x_init_irq,
1047 	.handle_irq	= pxa27x_handle_irq,
1048 	.init_machine	= spitz_init,
1049 	.init_time	= pxa_timer_init,
1050 	.restart	= spitz_restart,
1051 MACHINE_END
1052 #endif
1053 
1054 #ifdef CONFIG_MACH_AKITA
1055 MACHINE_START(AKITA, "SHARP Akita")
1056 	.fixup		= spitz_fixup,
1057 	.map_io		= pxa27x_map_io,
1058 	.nr_irqs	= PXA_NR_IRQS,
1059 	.init_irq	= pxa27x_init_irq,
1060 	.handle_irq	= pxa27x_handle_irq,
1061 	.init_machine	= spitz_init,
1062 	.init_time	= pxa_timer_init,
1063 	.restart	= spitz_restart,
1064 MACHINE_END
1065 #endif
1066