xref: /openbmc/linux/arch/arm/mach-pxa/spitz.c (revision e23feb16)
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/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/gpio.h>
20 #include <linux/leds.h>
21 #include <linux/i2c.h>
22 #include <linux/i2c/pxa-i2c.h>
23 #include <linux/platform_data/pca953x.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/spi/corgi_lcd.h>
27 #include <linux/spi/pxa2xx_spi.h>
28 #include <linux/mtd/sharpsl.h>
29 #include <linux/mtd/physmap.h>
30 #include <linux/input/matrix_keypad.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/io.h>
33 #include <linux/module.h>
34 #include <linux/reboot.h>
35 
36 #include <asm/setup.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/sharpsl_param.h>
40 #include <asm/hardware/scoop.h>
41 
42 #include <mach/pxa27x.h>
43 #include <mach/pxa27x-udc.h>
44 #include <mach/reset.h>
45 #include <linux/platform_data/irda-pxaficp.h>
46 #include <linux/platform_data/mmc-pxamci.h>
47 #include <linux/platform_data/usb-ohci-pxa27x.h>
48 #include <linux/platform_data/video-pxafb.h>
49 #include <mach/spitz.h>
50 #include <mach/sharpsl_pm.h>
51 #include <mach/smemc.h>
52 
53 #include "generic.h"
54 #include "devices.h"
55 
56 /******************************************************************************
57  * Pin configuration
58  ******************************************************************************/
59 static unsigned long spitz_pin_config[] __initdata = {
60 	/* Chip Selects */
61 	GPIO78_nCS_2,	/* SCOOP #2 */
62 	GPIO79_nCS_3,	/* NAND */
63 	GPIO80_nCS_4,	/* SCOOP #1 */
64 
65 	/* LCD - 16bpp Active TFT */
66 	GPIOxx_LCD_TFT_16BPP,
67 
68 	/* PC Card */
69 	GPIO48_nPOE,
70 	GPIO49_nPWE,
71 	GPIO50_nPIOR,
72 	GPIO51_nPIOW,
73 	GPIO85_nPCE_1,
74 	GPIO54_nPCE_2,
75 	GPIO55_nPREG,
76 	GPIO56_nPWAIT,
77 	GPIO57_nIOIS16,
78 	GPIO104_PSKTSEL,
79 
80 	/* I2S */
81 	GPIO28_I2S_BITCLK_OUT,
82 	GPIO29_I2S_SDATA_IN,
83 	GPIO30_I2S_SDATA_OUT,
84 	GPIO31_I2S_SYNC,
85 
86 	/* MMC */
87 	GPIO32_MMC_CLK,
88 	GPIO112_MMC_CMD,
89 	GPIO92_MMC_DAT_0,
90 	GPIO109_MMC_DAT_1,
91 	GPIO110_MMC_DAT_2,
92 	GPIO111_MMC_DAT_3,
93 
94 	/* GPIOs */
95 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
96 	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
97 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
98 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
99 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
100 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
101 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
102 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
103 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
104 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
105 
106 	/* GPIO matrix keypad */
107 	GPIO88_GPIO,	/* column 0 */
108 	GPIO23_GPIO,	/* column 1 */
109 	GPIO24_GPIO,	/* column 2 */
110 	GPIO25_GPIO,	/* column 3 */
111 	GPIO26_GPIO,	/* column 4 */
112 	GPIO27_GPIO,	/* column 5 */
113 	GPIO52_GPIO,	/* column 6 */
114 	GPIO103_GPIO,	/* column 7 */
115 	GPIO107_GPIO,	/* column 8 */
116 	GPIO108_GPIO,	/* column 9 */
117 	GPIO114_GPIO,	/* column 10 */
118 	GPIO12_GPIO,	/* row 0 */
119 	GPIO17_GPIO,	/* row 1 */
120 	GPIO91_GPIO,	/* row 2 */
121 	GPIO34_GPIO,	/* row 3 */
122 	GPIO36_GPIO,	/* row 4 */
123 	GPIO38_GPIO,	/* row 5 */
124 	GPIO39_GPIO,	/* row 6 */
125 
126 	/* I2C */
127 	GPIO117_I2C_SCL,
128 	GPIO118_I2C_SDA,
129 
130 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
131 	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
132 };
133 
134 
135 /******************************************************************************
136  * Scoop GPIO expander
137  ******************************************************************************/
138 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
139 /* SCOOP Device #1 */
140 static struct resource spitz_scoop_1_resources[] = {
141 	[0] = {
142 		.start		= 0x10800000,
143 		.end		= 0x10800fff,
144 		.flags		= IORESOURCE_MEM,
145 	},
146 };
147 
148 static struct scoop_config spitz_scoop_1_setup = {
149 	.io_dir		= SPITZ_SCP_IO_DIR,
150 	.io_out		= SPITZ_SCP_IO_OUT,
151 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
152 	.suspend_set	= SPITZ_SCP_SUS_SET,
153 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
154 };
155 
156 struct platform_device spitz_scoop_1_device = {
157 	.name		= "sharp-scoop",
158 	.id		= 0,
159 	.dev		= {
160 		.platform_data	= &spitz_scoop_1_setup,
161 	},
162 	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
163 	.resource	= spitz_scoop_1_resources,
164 };
165 
166 /* SCOOP Device #2 */
167 static struct resource spitz_scoop_2_resources[] = {
168 	[0] = {
169 		.start		= 0x08800040,
170 		.end		= 0x08800fff,
171 		.flags		= IORESOURCE_MEM,
172 	},
173 };
174 
175 static struct scoop_config spitz_scoop_2_setup = {
176 	.io_dir		= SPITZ_SCP2_IO_DIR,
177 	.io_out		= SPITZ_SCP2_IO_OUT,
178 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
179 	.suspend_set	= SPITZ_SCP2_SUS_SET,
180 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
181 };
182 
183 struct platform_device spitz_scoop_2_device = {
184 	.name		= "sharp-scoop",
185 	.id		= 1,
186 	.dev		= {
187 		.platform_data	= &spitz_scoop_2_setup,
188 	},
189 	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
190 	.resource	= spitz_scoop_2_resources,
191 };
192 
193 static void __init spitz_scoop_init(void)
194 {
195 	platform_device_register(&spitz_scoop_1_device);
196 
197 	/* Akita doesn't have the second SCOOP chip */
198 	if (!machine_is_akita())
199 		platform_device_register(&spitz_scoop_2_device);
200 }
201 
202 /* Power control is shared with between one of the CF slots and SD */
203 static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
204 {
205 	unsigned short cpr;
206 	unsigned long flags;
207 
208 	if (new_cpr & 0x7) {
209 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
210 		mdelay(5);
211 	}
212 
213 	local_irq_save(flags);
214 
215 	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
216 
217 	if (enable & new_cpr)
218 		cpr |= new_cpr;
219 	else
220 		cpr &= ~enable;
221 
222 	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
223 
224 	local_irq_restore(flags);
225 
226 	if (!(cpr & 0x7)) {
227 		mdelay(1);
228 		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
229 	}
230 }
231 
232 #else
233 static inline void spitz_scoop_init(void) {}
234 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
235 #endif
236 
237 /******************************************************************************
238  * PCMCIA
239  ******************************************************************************/
240 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
241 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
242 {
243 	/* Only need to override behaviour for slot 0 */
244 	if (nr == 0)
245 		spitz_card_pwr_ctrl(
246 			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
247 	else
248 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
249 }
250 
251 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
252 	{
253 		.dev		= &spitz_scoop_1_device.dev,
254 		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
255 		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
256 		.cd_irq_str	= "PCMCIA0 CD",
257 	}, {
258 		.dev		= &spitz_scoop_2_device.dev,
259 		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
260 		.cd_irq		= -1,
261 	},
262 };
263 
264 static struct scoop_pcmcia_config spitz_pcmcia_config = {
265 	.devs		= &spitz_pcmcia_scoop[0],
266 	.num_devs	= 2,
267 	.power_ctrl	= spitz_pcmcia_pwr,
268 };
269 
270 static void __init spitz_pcmcia_init(void)
271 {
272 	/* Akita has only one PCMCIA slot used */
273 	if (machine_is_akita())
274 		spitz_pcmcia_config.num_devs = 1;
275 
276 	platform_scoop_config = &spitz_pcmcia_config;
277 }
278 #else
279 static inline void spitz_pcmcia_init(void) {}
280 #endif
281 
282 /******************************************************************************
283  * GPIO keyboard
284  ******************************************************************************/
285 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
286 
287 #define SPITZ_KEY_CALENDAR	KEY_F1
288 #define SPITZ_KEY_ADDRESS	KEY_F2
289 #define SPITZ_KEY_FN		KEY_F3
290 #define SPITZ_KEY_CANCEL	KEY_F4
291 #define SPITZ_KEY_EXOK		KEY_F5
292 #define SPITZ_KEY_EXCANCEL	KEY_F6
293 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
294 #define SPITZ_KEY_EXJOGUP	KEY_F8
295 #define SPITZ_KEY_JAP1		KEY_LEFTALT
296 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
297 #define SPITZ_KEY_SYNC		KEY_F9
298 #define SPITZ_KEY_MAIL		KEY_F10
299 #define SPITZ_KEY_OK		KEY_F11
300 #define SPITZ_KEY_MENU		KEY_F12
301 
302 static const uint32_t spitz_keymap[] = {
303 	KEY(0, 0, KEY_LEFTCTRL),
304 	KEY(0, 1, KEY_1),
305 	KEY(0, 2, KEY_3),
306 	KEY(0, 3, KEY_5),
307 	KEY(0, 4, KEY_6),
308 	KEY(0, 5, KEY_7),
309 	KEY(0, 6, KEY_9),
310 	KEY(0, 7, KEY_0),
311 	KEY(0, 8, KEY_BACKSPACE),
312 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
313 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
314 	KEY(1, 1, KEY_2),
315 	KEY(1, 2, KEY_4),
316 	KEY(1, 3, KEY_R),
317 	KEY(1, 4, KEY_Y),
318 	KEY(1, 5, KEY_8),
319 	KEY(1, 6, KEY_I),
320 	KEY(1, 7, KEY_O),
321 	KEY(1, 8, KEY_P),
322 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
323 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
324 	KEY(2, 0, KEY_TAB),
325 	KEY(2, 1, KEY_Q),
326 	KEY(2, 2, KEY_E),
327 	KEY(2, 3, KEY_T),
328 	KEY(2, 4, KEY_G),
329 	KEY(2, 5, KEY_U),
330 	KEY(2, 6, KEY_J),
331 	KEY(2, 7, KEY_K),
332 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
333 	KEY(3, 1, KEY_W),
334 	KEY(3, 2, KEY_S),
335 	KEY(3, 3, KEY_F),
336 	KEY(3, 4, KEY_V),
337 	KEY(3, 5, KEY_H),
338 	KEY(3, 6, KEY_M),
339 	KEY(3, 7, KEY_L),
340 	KEY(3, 9, KEY_RIGHTSHIFT),
341 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
342 	KEY(4, 1, KEY_A),
343 	KEY(4, 2, KEY_D),
344 	KEY(4, 3, KEY_C),
345 	KEY(4, 4, KEY_B),
346 	KEY(4, 5, KEY_N),
347 	KEY(4, 6, KEY_DOT),
348 	KEY(4, 8, KEY_ENTER),
349 	KEY(4, 9, KEY_LEFTSHIFT),
350 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
351 	KEY(5, 1, KEY_Z),
352 	KEY(5, 2, KEY_X),
353 	KEY(5, 3, KEY_MINUS),
354 	KEY(5, 4, KEY_SPACE),
355 	KEY(5, 5, KEY_COMMA),
356 	KEY(5, 7, KEY_UP),
357 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
358 	KEY(6, 0, KEY_SYSRQ),
359 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
360 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
361 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
362 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
363 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
364 	KEY(6, 6, KEY_LEFT),
365 	KEY(6, 7, KEY_DOWN),
366 	KEY(6, 8, KEY_RIGHT),
367 };
368 
369 static const struct matrix_keymap_data spitz_keymap_data = {
370 	.keymap		= spitz_keymap,
371 	.keymap_size	= ARRAY_SIZE(spitz_keymap),
372 };
373 
374 static const uint32_t spitz_row_gpios[] =
375 		{ 12, 17, 91, 34, 36, 38, 39 };
376 static const uint32_t spitz_col_gpios[] =
377 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
378 
379 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
380 	.keymap_data		= &spitz_keymap_data,
381 	.row_gpios		= spitz_row_gpios,
382 	.col_gpios		= spitz_col_gpios,
383 	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
384 	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
385 	.col_scan_delay_us	= 10,
386 	.debounce_ms		= 10,
387 	.wakeup			= 1,
388 };
389 
390 static struct platform_device spitz_mkp_device = {
391 	.name		= "matrix-keypad",
392 	.id		= -1,
393 	.dev		= {
394 		.platform_data	= &spitz_mkp_pdata,
395 	},
396 };
397 
398 static void __init spitz_mkp_init(void)
399 {
400 	platform_device_register(&spitz_mkp_device);
401 }
402 #else
403 static inline void spitz_mkp_init(void) {}
404 #endif
405 
406 /******************************************************************************
407  * GPIO keys
408  ******************************************************************************/
409 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
410 static struct gpio_keys_button spitz_gpio_keys[] = {
411 	{
412 		.type	= EV_PWR,
413 		.code	= KEY_SUSPEND,
414 		.gpio	= SPITZ_GPIO_ON_KEY,
415 		.desc	= "On Off",
416 		.wakeup	= 1,
417 	},
418 	/* Two buttons detecting the lid state */
419 	{
420 		.type	= EV_SW,
421 		.code	= 0,
422 		.gpio	= SPITZ_GPIO_SWA,
423 		.desc	= "Display Down",
424 	},
425 	{
426 		.type	= EV_SW,
427 		.code	= 1,
428 		.gpio	= SPITZ_GPIO_SWB,
429 		.desc	= "Lid Closed",
430 	},
431 };
432 
433 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
434 	.buttons	= spitz_gpio_keys,
435 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
436 };
437 
438 static struct platform_device spitz_gpio_keys_device = {
439 	.name	= "gpio-keys",
440 	.id	= -1,
441 	.dev	= {
442 		.platform_data	= &spitz_gpio_keys_platform_data,
443 	},
444 };
445 
446 static void __init spitz_keys_init(void)
447 {
448 	platform_device_register(&spitz_gpio_keys_device);
449 }
450 #else
451 static inline void spitz_keys_init(void) {}
452 #endif
453 
454 /******************************************************************************
455  * LEDs
456  ******************************************************************************/
457 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
458 static struct gpio_led spitz_gpio_leds[] = {
459 	{
460 		.name			= "spitz:amber:charge",
461 		.default_trigger	= "sharpsl-charge",
462 		.gpio			= SPITZ_GPIO_LED_ORANGE,
463 	},
464 	{
465 		.name			= "spitz:green:hddactivity",
466 		.default_trigger	= "ide-disk",
467 		.gpio			= SPITZ_GPIO_LED_GREEN,
468 	},
469 };
470 
471 static struct gpio_led_platform_data spitz_gpio_leds_info = {
472 	.leds		= spitz_gpio_leds,
473 	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
474 };
475 
476 static struct platform_device spitz_led_device = {
477 	.name		= "leds-gpio",
478 	.id		= -1,
479 	.dev		= {
480 		.platform_data	= &spitz_gpio_leds_info,
481 	},
482 };
483 
484 static void __init spitz_leds_init(void)
485 {
486 	platform_device_register(&spitz_led_device);
487 }
488 #else
489 static inline void spitz_leds_init(void) {}
490 #endif
491 
492 /******************************************************************************
493  * SSP Devices
494  ******************************************************************************/
495 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
496 static void spitz_ads7846_wait_for_hsync(void)
497 {
498 	while (gpio_get_value(SPITZ_GPIO_HSYNC))
499 		cpu_relax();
500 
501 	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
502 		cpu_relax();
503 }
504 
505 static struct ads7846_platform_data spitz_ads7846_info = {
506 	.model			= 7846,
507 	.vref_delay_usecs	= 100,
508 	.x_plate_ohms		= 419,
509 	.y_plate_ohms		= 486,
510 	.pressure_max		= 1024,
511 	.gpio_pendown		= SPITZ_GPIO_TP_INT,
512 	.wait_for_sync		= spitz_ads7846_wait_for_hsync,
513 };
514 
515 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
516 	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
517 };
518 
519 static void spitz_bl_kick_battery(void)
520 {
521 	void (*kick_batt)(void);
522 
523 	kick_batt = symbol_get(sharpsl_battery_kick);
524 	if (kick_batt) {
525 		kick_batt();
526 		symbol_put(sharpsl_battery_kick);
527 	}
528 }
529 
530 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
531 	.init_mode		= CORGI_LCD_MODE_VGA,
532 	.max_intensity		= 0x2f,
533 	.default_intensity	= 0x1f,
534 	.limit_mask		= 0x0b,
535 	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
536 	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
537 	.kick_battery		= spitz_bl_kick_battery,
538 };
539 
540 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
541 	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
542 };
543 
544 static struct pxa2xx_spi_chip spitz_max1111_chip = {
545 	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
546 };
547 
548 static struct spi_board_info spitz_spi_devices[] = {
549 	{
550 		.modalias		= "ads7846",
551 		.max_speed_hz		= 1200000,
552 		.bus_num		= 2,
553 		.chip_select		= 0,
554 		.platform_data		= &spitz_ads7846_info,
555 		.controller_data	= &spitz_ads7846_chip,
556 		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
557 	}, {
558 		.modalias		= "corgi-lcd",
559 		.max_speed_hz		= 50000,
560 		.bus_num		= 2,
561 		.chip_select		= 1,
562 		.platform_data		= &spitz_lcdcon_info,
563 		.controller_data	= &spitz_lcdcon_chip,
564 	}, {
565 		.modalias		= "max1111",
566 		.max_speed_hz		= 450000,
567 		.bus_num		= 2,
568 		.chip_select		= 2,
569 		.controller_data	= &spitz_max1111_chip,
570 	},
571 };
572 
573 static struct pxa2xx_spi_master spitz_spi_info = {
574 	.num_chipselect	= 3,
575 };
576 
577 static void __init spitz_spi_init(void)
578 {
579 	struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
580 
581 	if (machine_is_akita()) {
582 		lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
583 		lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
584 	}
585 
586 	pxa2xx_set_spi_info(2, &spitz_spi_info);
587 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
588 }
589 #else
590 static inline void spitz_spi_init(void) {}
591 #endif
592 
593 /******************************************************************************
594  * SD/MMC card controller
595  ******************************************************************************/
596 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
597 /*
598  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
599  * give the card a chance to fully insert/eject.
600  */
601 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
602 {
603 	struct pxamci_platform_data* p_d = dev->platform_data;
604 
605 	if ((1 << vdd) & p_d->ocr_mask)
606 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
607 	else
608 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
609 
610 	return 0;
611 }
612 
613 static struct pxamci_platform_data spitz_mci_platform_data = {
614 	.detect_delay_ms	= 250,
615 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
616 	.setpower		= spitz_mci_setpower,
617 	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
618 	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
619 	.gpio_power		= -1,
620 };
621 
622 static void __init spitz_mmc_init(void)
623 {
624 	pxa_set_mci_info(&spitz_mci_platform_data);
625 }
626 #else
627 static inline void spitz_mmc_init(void) {}
628 #endif
629 
630 /******************************************************************************
631  * USB Host
632  ******************************************************************************/
633 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
634 static int spitz_ohci_init(struct device *dev)
635 {
636 	int err;
637 
638 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
639 	if (err)
640 		return err;
641 
642 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
643 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
644 
645 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
646 }
647 
648 static void spitz_ohci_exit(struct device *dev)
649 {
650 	gpio_free(SPITZ_GPIO_USB_HOST);
651 }
652 
653 static struct pxaohci_platform_data spitz_ohci_platform_data = {
654 	.port_mode	= PMM_NPS_MODE,
655 	.init		= spitz_ohci_init,
656 	.exit		= spitz_ohci_exit,
657 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
658 	.power_budget	= 150,
659 };
660 
661 static void __init spitz_uhc_init(void)
662 {
663 	pxa_set_ohci_info(&spitz_ohci_platform_data);
664 }
665 #else
666 static inline void spitz_uhc_init(void) {}
667 #endif
668 
669 /******************************************************************************
670  * IrDA
671  ******************************************************************************/
672 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
673 static struct pxaficp_platform_data spitz_ficp_platform_data = {
674 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
675 };
676 
677 static void __init spitz_irda_init(void)
678 {
679 	if (machine_is_akita())
680 		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
681 	else
682 		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
683 
684 	pxa_set_ficp_info(&spitz_ficp_platform_data);
685 }
686 #else
687 static inline void spitz_irda_init(void) {}
688 #endif
689 
690 /******************************************************************************
691  * Framebuffer
692  ******************************************************************************/
693 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
694 static struct pxafb_mode_info spitz_pxafb_modes[] = {
695 	{
696 		.pixclock       = 19231,
697 		.xres           = 480,
698 		.yres           = 640,
699 		.bpp            = 16,
700 		.hsync_len      = 40,
701 		.left_margin    = 46,
702 		.right_margin   = 125,
703 		.vsync_len      = 3,
704 		.upper_margin   = 1,
705 		.lower_margin   = 0,
706 		.sync           = 0,
707 	}, {
708 		.pixclock       = 134617,
709 		.xres           = 240,
710 		.yres           = 320,
711 		.bpp            = 16,
712 		.hsync_len      = 20,
713 		.left_margin    = 20,
714 		.right_margin   = 46,
715 		.vsync_len      = 2,
716 		.upper_margin   = 1,
717 		.lower_margin   = 0,
718 		.sync           = 0,
719 	},
720 };
721 
722 static struct pxafb_mach_info spitz_pxafb_info = {
723 	.modes          = spitz_pxafb_modes,
724 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
725 	.fixed_modes    = 1,
726 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
727 };
728 
729 static void __init spitz_lcd_init(void)
730 {
731 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
732 }
733 #else
734 static inline void spitz_lcd_init(void) {}
735 #endif
736 
737 /******************************************************************************
738  * NAND Flash
739  ******************************************************************************/
740 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
741 static struct mtd_partition spitz_nand_partitions[] = {
742 	{
743 		.name = "System Area",
744 		.offset = 0,
745 		.size = 7 * 1024 * 1024,
746 	}, {
747 		.name = "Root Filesystem",
748 		.offset = 7 * 1024 * 1024,
749 	}, {
750 		.name = "Home Filesystem",
751 		.offset = MTDPART_OFS_APPEND,
752 		.size = MTDPART_SIZ_FULL,
753 	},
754 };
755 
756 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
757 
758 static struct nand_bbt_descr spitz_nand_bbt = {
759 	.options	= 0,
760 	.offs		= 4,
761 	.len		= 2,
762 	.pattern	= scan_ff_pattern
763 };
764 
765 static struct nand_ecclayout akita_oobinfo = {
766 	.oobfree	= { {0x08, 0x09} },
767 	.eccbytes	= 24,
768 	.eccpos		= {
769 			0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
770 			0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
771 			0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
772 	},
773 };
774 
775 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
776 	.badblock_pattern	= &spitz_nand_bbt,
777 	.partitions		= spitz_nand_partitions,
778 	.nr_partitions		= ARRAY_SIZE(spitz_nand_partitions),
779 };
780 
781 static struct resource spitz_nand_resources[] = {
782 	{
783 		.start	= PXA_CS3_PHYS,
784 		.end	= PXA_CS3_PHYS + SZ_4K - 1,
785 		.flags	= IORESOURCE_MEM,
786 	},
787 };
788 
789 static struct platform_device spitz_nand_device = {
790 	.name		= "sharpsl-nand",
791 	.id		= -1,
792 	.resource	= spitz_nand_resources,
793 	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
794 	.dev		= {
795 		.platform_data	= &spitz_nand_pdata,
796 	}
797 };
798 
799 static void __init spitz_nand_init(void)
800 {
801 	if (machine_is_spitz()) {
802 		spitz_nand_partitions[1].size = 5 * 1024 * 1024;
803 	} else if (machine_is_akita()) {
804 		spitz_nand_partitions[1].size = 58 * 1024 * 1024;
805 		spitz_nand_bbt.len = 1;
806 		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
807 	} else if (machine_is_borzoi()) {
808 		spitz_nand_partitions[1].size = 32 * 1024 * 1024;
809 		spitz_nand_bbt.len = 1;
810 		spitz_nand_pdata.ecc_layout = &akita_oobinfo;
811 	}
812 
813 	platform_device_register(&spitz_nand_device);
814 }
815 #else
816 static inline void spitz_nand_init(void) {}
817 #endif
818 
819 /******************************************************************************
820  * NOR Flash
821  ******************************************************************************/
822 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
823 static struct mtd_partition spitz_rom_parts[] = {
824 	{
825 		.name	="Boot PROM Filesystem",
826 		.offset	= 0x00140000,
827 		.size	= MTDPART_SIZ_FULL,
828 	},
829 };
830 
831 static struct physmap_flash_data spitz_rom_data = {
832 	.width		= 2,
833 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
834 	.parts		= spitz_rom_parts,
835 };
836 
837 static struct resource spitz_rom_resources[] = {
838 	{
839 		.start	= PXA_CS0_PHYS,
840 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
841 		.flags	= IORESOURCE_MEM,
842 	},
843 };
844 
845 static struct platform_device spitz_rom_device = {
846 	.name		= "physmap-flash",
847 	.id		= -1,
848 	.resource	= spitz_rom_resources,
849 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
850 	.dev		= {
851 		.platform_data	= &spitz_rom_data,
852 	},
853 };
854 
855 static void __init spitz_nor_init(void)
856 {
857 	platform_device_register(&spitz_rom_device);
858 }
859 #else
860 static inline void spitz_nor_init(void) {}
861 #endif
862 
863 /******************************************************************************
864  * I2C devices
865  ******************************************************************************/
866 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
867 static struct pca953x_platform_data akita_pca953x_pdata = {
868 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
869 };
870 
871 static struct i2c_board_info spitz_i2c_devs[] = {
872 	{
873 		.type		= "wm8750",
874 		.addr		= 0x1b,
875 	}, {
876 		.type		= "max7310",
877 		.addr		= 0x18,
878 		.platform_data	= &akita_pca953x_pdata,
879 	},
880 };
881 
882 static struct regulator_consumer_supply isl6271a_consumers[] = {
883 	REGULATOR_SUPPLY("vcc_core", NULL),
884 };
885 
886 static struct regulator_init_data isl6271a_info[] = {
887 	{
888 		.constraints = {
889 			.name		= "vcc_core range",
890 			.min_uV		= 850000,
891 			.max_uV		= 1600000,
892 			.always_on	= 1,
893 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
894 		},
895 	.consumer_supplies	= isl6271a_consumers,
896 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
897 	}
898 };
899 
900 static struct i2c_board_info spitz_pi2c_devs[] = {
901 	{
902 		.type		= "isl6271a",
903 		.addr		= 0x0c,
904 		.platform_data	= &isl6271a_info,
905 	},
906 };
907 
908 static void __init spitz_i2c_init(void)
909 {
910 	int size = ARRAY_SIZE(spitz_i2c_devs);
911 
912 	/* Only Akita has the max7310 chip */
913 	if (!machine_is_akita())
914 		size--;
915 
916 	pxa_set_i2c_info(NULL);
917 	pxa27x_set_i2c_power_info(NULL);
918 	i2c_register_board_info(0, spitz_i2c_devs, size);
919 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
920 }
921 #else
922 static inline void spitz_i2c_init(void) {}
923 #endif
924 
925 /******************************************************************************
926  * Machine init
927  ******************************************************************************/
928 static void spitz_poweroff(void)
929 {
930 	pxa_restart(REBOOT_GPIO, NULL);
931 }
932 
933 static void spitz_restart(enum reboot_mode mode, const char *cmd)
934 {
935 	uint32_t msc0 = __raw_readl(MSC0);
936 	/* Bootloader magic for a reboot */
937 	if ((msc0 & 0xffff0000) == 0x7ff00000)
938 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
939 
940 	spitz_poweroff();
941 }
942 
943 static void __init spitz_init(void)
944 {
945 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
946 	pm_power_off = spitz_poweroff;
947 
948 	PMCR = 0x00;
949 
950 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
951 	PCFR |= PCFR_OPDE;
952 
953 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
954 
955 	pxa_set_ffuart_info(NULL);
956 	pxa_set_btuart_info(NULL);
957 	pxa_set_stuart_info(NULL);
958 
959 	spitz_spi_init();
960 	spitz_scoop_init();
961 	spitz_mkp_init();
962 	spitz_keys_init();
963 	spitz_leds_init();
964 	spitz_mmc_init();
965 	spitz_pcmcia_init();
966 	spitz_irda_init();
967 	spitz_uhc_init();
968 	spitz_lcd_init();
969 	spitz_nor_init();
970 	spitz_nand_init();
971 	spitz_i2c_init();
972 }
973 
974 static void __init spitz_fixup(struct tag *tags, char **cmdline,
975 			       struct meminfo *mi)
976 {
977 	sharpsl_save_param();
978 	mi->nr_banks = 1;
979 	mi->bank[0].start = 0xa0000000;
980 	mi->bank[0].size = (64*1024*1024);
981 }
982 
983 #ifdef CONFIG_MACH_SPITZ
984 MACHINE_START(SPITZ, "SHARP Spitz")
985 	.fixup		= spitz_fixup,
986 	.map_io		= pxa27x_map_io,
987 	.nr_irqs	= PXA_NR_IRQS,
988 	.init_irq	= pxa27x_init_irq,
989 	.handle_irq	= pxa27x_handle_irq,
990 	.init_machine	= spitz_init,
991 	.init_time	= pxa_timer_init,
992 	.restart	= spitz_restart,
993 MACHINE_END
994 #endif
995 
996 #ifdef CONFIG_MACH_BORZOI
997 MACHINE_START(BORZOI, "SHARP Borzoi")
998 	.fixup		= spitz_fixup,
999 	.map_io		= pxa27x_map_io,
1000 	.nr_irqs	= PXA_NR_IRQS,
1001 	.init_irq	= pxa27x_init_irq,
1002 	.handle_irq	= pxa27x_handle_irq,
1003 	.init_machine	= spitz_init,
1004 	.init_time	= pxa_timer_init,
1005 	.restart	= spitz_restart,
1006 MACHINE_END
1007 #endif
1008 
1009 #ifdef CONFIG_MACH_AKITA
1010 MACHINE_START(AKITA, "SHARP Akita")
1011 	.fixup		= spitz_fixup,
1012 	.map_io		= pxa27x_map_io,
1013 	.nr_irqs	= PXA_NR_IRQS,
1014 	.init_irq	= pxa27x_init_irq,
1015 	.handle_irq	= pxa27x_handle_irq,
1016 	.init_machine	= spitz_init,
1017 	.init_time	= pxa_timer_init,
1018 	.restart	= spitz_restart,
1019 MACHINE_END
1020 #endif
1021