xref: /linux/arch/arm/mach-pxa/spitz.c (revision 14dbfb417bd80c96ec700c7a8414bb6f5db7ecd2)
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/gpio/machine.h>
22 #include <linux/leds.h>
23 #include <linux/i2c.h>
24 #include <linux/platform_data/i2c-pxa.h>
25 #include <linux/platform_data/pca953x.h>
26 #include <linux/spi/spi.h>
27 #include <linux/spi/ads7846.h>
28 #include <linux/spi/corgi_lcd.h>
29 #include <linux/spi/pxa2xx_spi.h>
30 #include <linux/mtd/sharpsl.h>
31 #include <linux/mtd/physmap.h>
32 #include <linux/input/matrix_keypad.h>
33 #include <linux/regulator/machine.h>
34 #include <linux/io.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_controller 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 };
620 
621 static struct gpiod_lookup_table spitz_mci_gpio_table = {
622 	.dev_id = "pxa2xx-mci.0",
623 	.table = {
624 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
625 			    "cd", GPIO_ACTIVE_LOW),
626 		GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
627 			    "wp", GPIO_ACTIVE_LOW),
628 		{ },
629 	},
630 };
631 
632 static void __init spitz_mmc_init(void)
633 {
634 	gpiod_add_lookup_table(&spitz_mci_gpio_table);
635 	pxa_set_mci_info(&spitz_mci_platform_data);
636 }
637 #else
638 static inline void spitz_mmc_init(void) {}
639 #endif
640 
641 /******************************************************************************
642  * USB Host
643  ******************************************************************************/
644 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
645 static int spitz_ohci_init(struct device *dev)
646 {
647 	int err;
648 
649 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
650 	if (err)
651 		return err;
652 
653 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
654 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
655 
656 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
657 }
658 
659 static void spitz_ohci_exit(struct device *dev)
660 {
661 	gpio_free(SPITZ_GPIO_USB_HOST);
662 }
663 
664 static struct pxaohci_platform_data spitz_ohci_platform_data = {
665 	.port_mode	= PMM_NPS_MODE,
666 	.init		= spitz_ohci_init,
667 	.exit		= spitz_ohci_exit,
668 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
669 	.power_budget	= 150,
670 };
671 
672 static void __init spitz_uhc_init(void)
673 {
674 	pxa_set_ohci_info(&spitz_ohci_platform_data);
675 }
676 #else
677 static inline void spitz_uhc_init(void) {}
678 #endif
679 
680 /******************************************************************************
681  * IrDA
682  ******************************************************************************/
683 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
684 static struct pxaficp_platform_data spitz_ficp_platform_data = {
685 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
686 };
687 
688 static void __init spitz_irda_init(void)
689 {
690 	if (machine_is_akita())
691 		spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
692 	else
693 		spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
694 
695 	pxa_set_ficp_info(&spitz_ficp_platform_data);
696 }
697 #else
698 static inline void spitz_irda_init(void) {}
699 #endif
700 
701 /******************************************************************************
702  * Framebuffer
703  ******************************************************************************/
704 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
705 static struct pxafb_mode_info spitz_pxafb_modes[] = {
706 	{
707 		.pixclock       = 19231,
708 		.xres           = 480,
709 		.yres           = 640,
710 		.bpp            = 16,
711 		.hsync_len      = 40,
712 		.left_margin    = 46,
713 		.right_margin   = 125,
714 		.vsync_len      = 3,
715 		.upper_margin   = 1,
716 		.lower_margin   = 0,
717 		.sync           = 0,
718 	}, {
719 		.pixclock       = 134617,
720 		.xres           = 240,
721 		.yres           = 320,
722 		.bpp            = 16,
723 		.hsync_len      = 20,
724 		.left_margin    = 20,
725 		.right_margin   = 46,
726 		.vsync_len      = 2,
727 		.upper_margin   = 1,
728 		.lower_margin   = 0,
729 		.sync           = 0,
730 	},
731 };
732 
733 static struct pxafb_mach_info spitz_pxafb_info = {
734 	.modes          = spitz_pxafb_modes,
735 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
736 	.fixed_modes    = 1,
737 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
738 };
739 
740 static void __init spitz_lcd_init(void)
741 {
742 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
743 }
744 #else
745 static inline void spitz_lcd_init(void) {}
746 #endif
747 
748 /******************************************************************************
749  * NAND Flash
750  ******************************************************************************/
751 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
752 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
753 
754 static struct nand_bbt_descr spitz_nand_bbt = {
755 	.options	= 0,
756 	.offs		= 4,
757 	.len		= 2,
758 	.pattern	= scan_ff_pattern
759 };
760 
761 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
762 			       struct mtd_oob_region *oobregion)
763 {
764 	if (section > 12)
765 		return -ERANGE;
766 
767 	switch (section % 3) {
768 	case 0:
769 		oobregion->offset = 5;
770 		oobregion->length = 1;
771 		break;
772 
773 	case 1:
774 		oobregion->offset = 1;
775 		oobregion->length = 3;
776 		break;
777 
778 	case 2:
779 		oobregion->offset = 6;
780 		oobregion->length = 2;
781 		break;
782 	}
783 
784 	oobregion->offset += (section / 3) * 0x10;
785 
786 	return 0;
787 }
788 
789 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
790 				struct mtd_oob_region *oobregion)
791 {
792 	if (section)
793 		return -ERANGE;
794 
795 	oobregion->offset = 8;
796 	oobregion->length = 9;
797 
798 	return 0;
799 }
800 
801 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
802 	.ecc = akita_ooblayout_ecc,
803 	.free = akita_ooblayout_free,
804 };
805 
806 static const char * const probes[] = {
807 	"cmdlinepart",
808 	"ofpart",
809 	"sharpslpart",
810 	NULL,
811 };
812 
813 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
814 	.badblock_pattern	= &spitz_nand_bbt,
815 	.part_parsers		= probes,
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_akita() || machine_is_borzoi()) {
839 		spitz_nand_bbt.len = 1;
840 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
841 	}
842 
843 	platform_device_register(&spitz_nand_device);
844 }
845 #else
846 static inline void spitz_nand_init(void) {}
847 #endif
848 
849 /******************************************************************************
850  * NOR Flash
851  ******************************************************************************/
852 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
853 static struct mtd_partition spitz_rom_parts[] = {
854 	{
855 		.name	="Boot PROM Filesystem",
856 		.offset	= 0x00140000,
857 		.size	= MTDPART_SIZ_FULL,
858 	},
859 };
860 
861 static struct physmap_flash_data spitz_rom_data = {
862 	.width		= 2,
863 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
864 	.parts		= spitz_rom_parts,
865 };
866 
867 static struct resource spitz_rom_resources[] = {
868 	{
869 		.start	= PXA_CS0_PHYS,
870 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
871 		.flags	= IORESOURCE_MEM,
872 	},
873 };
874 
875 static struct platform_device spitz_rom_device = {
876 	.name		= "physmap-flash",
877 	.id		= -1,
878 	.resource	= spitz_rom_resources,
879 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
880 	.dev		= {
881 		.platform_data	= &spitz_rom_data,
882 	},
883 };
884 
885 static void __init spitz_nor_init(void)
886 {
887 	platform_device_register(&spitz_rom_device);
888 }
889 #else
890 static inline void spitz_nor_init(void) {}
891 #endif
892 
893 /******************************************************************************
894  * I2C devices
895  ******************************************************************************/
896 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
897 static struct pca953x_platform_data akita_pca953x_pdata = {
898 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
899 };
900 
901 static struct i2c_board_info spitz_i2c_devs[] = {
902 	{
903 		.type		= "wm8750",
904 		.addr		= 0x1b,
905 	}, {
906 		.type		= "max7310",
907 		.addr		= 0x18,
908 		.platform_data	= &akita_pca953x_pdata,
909 	},
910 };
911 
912 static struct regulator_consumer_supply isl6271a_consumers[] = {
913 	REGULATOR_SUPPLY("vcc_core", NULL),
914 };
915 
916 static struct regulator_init_data isl6271a_info[] = {
917 	{
918 		.constraints = {
919 			.name		= "vcc_core range",
920 			.min_uV		= 850000,
921 			.max_uV		= 1600000,
922 			.always_on	= 1,
923 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
924 		},
925 	.consumer_supplies	= isl6271a_consumers,
926 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
927 	}
928 };
929 
930 static struct i2c_board_info spitz_pi2c_devs[] = {
931 	{
932 		.type		= "isl6271a",
933 		.addr		= 0x0c,
934 		.platform_data	= &isl6271a_info,
935 	},
936 };
937 
938 static void __init spitz_i2c_init(void)
939 {
940 	int size = ARRAY_SIZE(spitz_i2c_devs);
941 
942 	/* Only Akita has the max7310 chip */
943 	if (!machine_is_akita())
944 		size--;
945 
946 	pxa_set_i2c_info(NULL);
947 	pxa27x_set_i2c_power_info(NULL);
948 	i2c_register_board_info(0, spitz_i2c_devs, size);
949 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
950 }
951 #else
952 static inline void spitz_i2c_init(void) {}
953 #endif
954 
955 /******************************************************************************
956  * Audio devices
957  ******************************************************************************/
958 static inline void spitz_audio_init(void)
959 {
960 	platform_device_register_simple("spitz-audio", -1, NULL, 0);
961 }
962 
963 /******************************************************************************
964  * Machine init
965  ******************************************************************************/
966 static void spitz_poweroff(void)
967 {
968 	pxa_restart(REBOOT_GPIO, NULL);
969 }
970 
971 static void spitz_restart(enum reboot_mode mode, const char *cmd)
972 {
973 	uint32_t msc0 = __raw_readl(MSC0);
974 	/* Bootloader magic for a reboot */
975 	if ((msc0 & 0xffff0000) == 0x7ff00000)
976 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
977 
978 	spitz_poweroff();
979 }
980 
981 static void __init spitz_init(void)
982 {
983 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
984 	pm_power_off = spitz_poweroff;
985 
986 	PMCR = 0x00;
987 
988 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
989 	PCFR |= PCFR_OPDE;
990 
991 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
992 
993 	pxa_set_ffuart_info(NULL);
994 	pxa_set_btuart_info(NULL);
995 	pxa_set_stuart_info(NULL);
996 
997 	spitz_spi_init();
998 	spitz_scoop_init();
999 	spitz_mkp_init();
1000 	spitz_keys_init();
1001 	spitz_leds_init();
1002 	spitz_mmc_init();
1003 	spitz_pcmcia_init();
1004 	spitz_irda_init();
1005 	spitz_uhc_init();
1006 	spitz_lcd_init();
1007 	spitz_nor_init();
1008 	spitz_nand_init();
1009 	spitz_i2c_init();
1010 	spitz_audio_init();
1011 
1012 	regulator_has_full_constraints();
1013 }
1014 
1015 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1016 {
1017 	sharpsl_save_param();
1018 	memblock_add(0xa0000000, SZ_64M);
1019 }
1020 
1021 #ifdef CONFIG_MACH_SPITZ
1022 MACHINE_START(SPITZ, "SHARP Spitz")
1023 	.fixup		= spitz_fixup,
1024 	.map_io		= pxa27x_map_io,
1025 	.nr_irqs	= PXA_NR_IRQS,
1026 	.init_irq	= pxa27x_init_irq,
1027 	.handle_irq	= pxa27x_handle_irq,
1028 	.init_machine	= spitz_init,
1029 	.init_time	= pxa_timer_init,
1030 	.restart	= spitz_restart,
1031 MACHINE_END
1032 #endif
1033 
1034 #ifdef CONFIG_MACH_BORZOI
1035 MACHINE_START(BORZOI, "SHARP Borzoi")
1036 	.fixup		= spitz_fixup,
1037 	.map_io		= pxa27x_map_io,
1038 	.nr_irqs	= PXA_NR_IRQS,
1039 	.init_irq	= pxa27x_init_irq,
1040 	.handle_irq	= pxa27x_handle_irq,
1041 	.init_machine	= spitz_init,
1042 	.init_time	= pxa_timer_init,
1043 	.restart	= spitz_restart,
1044 MACHINE_END
1045 #endif
1046 
1047 #ifdef CONFIG_MACH_AKITA
1048 MACHINE_START(AKITA, "SHARP Akita")
1049 	.fixup		= spitz_fixup,
1050 	.map_io		= pxa27x_map_io,
1051 	.nr_irqs	= PXA_NR_IRQS,
1052 	.init_irq	= pxa27x_init_irq,
1053 	.handle_irq	= pxa27x_handle_irq,
1054 	.init_machine	= spitz_init,
1055 	.init_time	= pxa_timer_init,
1056 	.restart	= spitz_restart,
1057 MACHINE_END
1058 #endif
1059