xref: /linux/arch/arm/mach-pxa/spitz.c (revision daa2be74b1b2302004945b2a5e32424e177cc7da)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Support for Sharp SL-Cxx00 Series of PDAs
4  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5  *
6  * Copyright (c) 2005 Richard Purdie
7  *
8  * Based on Sharp's 2.4 kernel patches/lubbock.c
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/platform_device.h>
13 #include <linux/delay.h>
14 #include <linux/gpio_keys.h>
15 #include <linux/gpio.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/gpio/property.h>
18 #include <linux/leds.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_data/i2c-pxa.h>
21 #include <linux/platform_data/pca953x.h>
22 #include <linux/property.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/ads7846.h>
25 #include <linux/spi/corgi_lcd.h>
26 #include <linux/mtd/sharpsl.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/input-event-codes.h>
29 #include <linux/input/matrix_keypad.h>
30 #include <linux/regulator/machine.h>
31 #include <linux/io.h>
32 #include <linux/property.h>
33 #include <linux/reboot.h>
34 #include <linux/memblock.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 "pxa27x.h"
43 #include "pxa27x-udc.h"
44 #include "reset.h"
45 #include <linux/platform_data/mmc-pxamci.h>
46 #include <linux/platform_data/usb-ohci-pxa27x.h>
47 #include <linux/platform_data/video-pxafb.h>
48 #include "spitz.h"
49 #include "sharpsl_pm.h"
50 #include "smemc.h"
51 
52 #include "generic.h"
53 #include "devices.h"
54 
55 /******************************************************************************
56  * Pin configuration
57  ******************************************************************************/
58 static unsigned long spitz_pin_config[] __initdata = {
59 	/* Chip Selects */
60 	GPIO78_nCS_2,	/* SCOOP #2 */
61 	GPIO79_nCS_3,	/* NAND */
62 	GPIO80_nCS_4,	/* SCOOP #1 */
63 
64 	/* LCD - 16bpp Active TFT */
65 	GPIOxx_LCD_TFT_16BPP,
66 
67 	/* PC Card */
68 	GPIO48_nPOE,
69 	GPIO49_nPWE,
70 	GPIO50_nPIOR,
71 	GPIO51_nPIOW,
72 	GPIO85_nPCE_1,
73 	GPIO54_nPCE_2,
74 	GPIO55_nPREG,
75 	GPIO56_nPWAIT,
76 	GPIO57_nIOIS16,
77 	GPIO104_PSKTSEL,
78 
79 	/* I2S */
80 	GPIO28_I2S_BITCLK_OUT,
81 	GPIO29_I2S_SDATA_IN,
82 	GPIO30_I2S_SDATA_OUT,
83 	GPIO31_I2S_SYNC,
84 
85 	/* MMC */
86 	GPIO32_MMC_CLK,
87 	GPIO112_MMC_CMD,
88 	GPIO92_MMC_DAT_0,
89 	GPIO109_MMC_DAT_1,
90 	GPIO110_MMC_DAT_2,
91 	GPIO111_MMC_DAT_3,
92 
93 	/* GPIOs */
94 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
95 	GPIO16_GPIO,	/* SPITZ_GPIO_SYNC */
96 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
97 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
98 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
99 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
100 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
101 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
102 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
103 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
104 
105 	/* GPIO matrix keypad */
106 	GPIO88_GPIO,	/* column 0 */
107 	GPIO23_GPIO,	/* column 1 */
108 	GPIO24_GPIO,	/* column 2 */
109 	GPIO25_GPIO,	/* column 3 */
110 	GPIO26_GPIO,	/* column 4 */
111 	GPIO27_GPIO,	/* column 5 */
112 	GPIO52_GPIO,	/* column 6 */
113 	GPIO103_GPIO,	/* column 7 */
114 	GPIO107_GPIO,	/* column 8 */
115 	GPIO108_GPIO,	/* column 9 */
116 	GPIO114_GPIO,	/* column 10 */
117 	GPIO12_GPIO,	/* row 0 */
118 	GPIO17_GPIO,	/* row 1 */
119 	GPIO91_GPIO,	/* row 2 */
120 	GPIO34_GPIO,	/* row 3 */
121 	GPIO36_GPIO,	/* row 4 */
122 	GPIO38_GPIO,	/* row 5 */
123 	GPIO39_GPIO,	/* row 6 */
124 
125 	/* I2C */
126 	GPIO117_I2C_SCL,
127 	GPIO118_I2C_SDA,
128 
129 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* SPITZ_GPIO_KEY_INT */
130 	GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,	/* SPITZ_GPIO_RESET */
131 };
132 
133 static const struct software_node spitz_scoop_1_gpiochip_node = {
134 	.name = "sharp-scoop.0",
135 };
136 
137 /* Only on Spitz */
138 static const struct software_node spitz_scoop_2_gpiochip_node = {
139 	.name = "sharp-scoop.1",
140 };
141 
142 /* Only on Akita */
143 static const struct software_node akita_max7310_gpiochip_node = {
144 	.name = "i2c-max7310",
145 };
146 
147 /******************************************************************************
148  * Scoop GPIO expander
149  ******************************************************************************/
150 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
151 /* SCOOP Device #1 */
152 static struct resource spitz_scoop_1_resources[] = {
153 	[0] = {
154 		.start		= 0x10800000,
155 		.end		= 0x10800fff,
156 		.flags		= IORESOURCE_MEM,
157 	},
158 };
159 
160 static struct scoop_config spitz_scoop_1_setup = {
161 	.io_dir		= SPITZ_SCP_IO_DIR,
162 	.io_out		= SPITZ_SCP_IO_OUT,
163 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
164 	.suspend_set	= SPITZ_SCP_SUS_SET,
165 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
166 };
167 
168 struct platform_device spitz_scoop_1_device = {
169 	.name		= "sharp-scoop",
170 	.id		= 0,
171 	.dev		= {
172 		.platform_data	= &spitz_scoop_1_setup,
173 	},
174 	.num_resources	= ARRAY_SIZE(spitz_scoop_1_resources),
175 	.resource	= spitz_scoop_1_resources,
176 };
177 
178 /* SCOOP Device #2 */
179 static struct resource spitz_scoop_2_resources[] = {
180 	[0] = {
181 		.start		= 0x08800040,
182 		.end		= 0x08800fff,
183 		.flags		= IORESOURCE_MEM,
184 	},
185 };
186 
187 static struct scoop_config spitz_scoop_2_setup = {
188 	.io_dir		= SPITZ_SCP2_IO_DIR,
189 	.io_out		= SPITZ_SCP2_IO_OUT,
190 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
191 	.suspend_set	= SPITZ_SCP2_SUS_SET,
192 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
193 };
194 
195 struct platform_device spitz_scoop_2_device = {
196 	.name		= "sharp-scoop",
197 	.id		= 1,
198 	.dev		= {
199 		.platform_data	= &spitz_scoop_2_setup,
200 	},
201 	.num_resources	= ARRAY_SIZE(spitz_scoop_2_resources),
202 	.resource	= spitz_scoop_2_resources,
203 };
204 
205 static void __init spitz_scoop_init(void)
206 {
207 	platform_device_register(&spitz_scoop_1_device);
208 
209 	/* Akita doesn't have the second SCOOP chip */
210 	if (!machine_is_akita())
211 		platform_device_register(&spitz_scoop_2_device);
212 }
213 
214 /* Power control is shared with between one of the CF slots and SD */
215 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
216 {
217 	unsigned short cpr;
218 	unsigned long flags;
219 
220 	if (new_cpr & 0x7) {
221 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
222 		mdelay(5);
223 	}
224 
225 	local_irq_save(flags);
226 
227 	cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
228 
229 	if (enable & new_cpr)
230 		cpr |= new_cpr;
231 	else
232 		cpr &= ~enable;
233 
234 	write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
235 
236 	local_irq_restore(flags);
237 
238 	if (!(cpr & 0x7)) {
239 		mdelay(1);
240 		gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
241 	}
242 }
243 
244 #else
245 static inline void spitz_scoop_init(void) {}
246 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
247 #endif
248 
249 /******************************************************************************
250  * PCMCIA
251  ******************************************************************************/
252 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
253 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
254 {
255 	/* Only need to override behaviour for slot 0 */
256 	if (nr == 0)
257 		spitz_card_pwr_ctrl(
258 			cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
259 	else
260 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
261 }
262 
263 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
264 	{
265 		.dev		= &spitz_scoop_1_device.dev,
266 		.irq		= SPITZ_IRQ_GPIO_CF_IRQ,
267 		.cd_irq		= SPITZ_IRQ_GPIO_CF_CD,
268 		.cd_irq_str	= "PCMCIA0 CD",
269 	}, {
270 		.dev		= &spitz_scoop_2_device.dev,
271 		.irq		= SPITZ_IRQ_GPIO_CF2_IRQ,
272 		.cd_irq		= -1,
273 	},
274 };
275 
276 static struct scoop_pcmcia_config spitz_pcmcia_config = {
277 	.devs		= &spitz_pcmcia_scoop[0],
278 	.num_devs	= 2,
279 	.power_ctrl	= spitz_pcmcia_pwr,
280 };
281 
282 static void __init spitz_pcmcia_init(void)
283 {
284 	/* Akita has only one PCMCIA slot used */
285 	if (machine_is_akita())
286 		spitz_pcmcia_config.num_devs = 1;
287 
288 	platform_scoop_config = &spitz_pcmcia_config;
289 }
290 #else
291 static inline void spitz_pcmcia_init(void) {}
292 #endif
293 
294 /******************************************************************************
295  * GPIO keyboard
296  ******************************************************************************/
297 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
298 
299 #define SPITZ_KEY_CALENDAR	KEY_F1
300 #define SPITZ_KEY_ADDRESS	KEY_F2
301 #define SPITZ_KEY_FN		KEY_F3
302 #define SPITZ_KEY_CANCEL	KEY_F4
303 #define SPITZ_KEY_EXOK		KEY_F5
304 #define SPITZ_KEY_EXCANCEL	KEY_F6
305 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
306 #define SPITZ_KEY_EXJOGUP	KEY_F8
307 #define SPITZ_KEY_JAP1		KEY_LEFTALT
308 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
309 #define SPITZ_KEY_SYNC		KEY_F9
310 #define SPITZ_KEY_MAIL		KEY_F10
311 #define SPITZ_KEY_OK		KEY_F11
312 #define SPITZ_KEY_MENU		KEY_F12
313 
314 static const uint32_t spitz_keymap[] = {
315 	KEY(0, 0, KEY_LEFTCTRL),
316 	KEY(0, 1, KEY_1),
317 	KEY(0, 2, KEY_3),
318 	KEY(0, 3, KEY_5),
319 	KEY(0, 4, KEY_6),
320 	KEY(0, 5, KEY_7),
321 	KEY(0, 6, KEY_9),
322 	KEY(0, 7, KEY_0),
323 	KEY(0, 8, KEY_BACKSPACE),
324 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
325 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
326 	KEY(1, 1, KEY_2),
327 	KEY(1, 2, KEY_4),
328 	KEY(1, 3, KEY_R),
329 	KEY(1, 4, KEY_Y),
330 	KEY(1, 5, KEY_8),
331 	KEY(1, 6, KEY_I),
332 	KEY(1, 7, KEY_O),
333 	KEY(1, 8, KEY_P),
334 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
335 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
336 	KEY(2, 0, KEY_TAB),
337 	KEY(2, 1, KEY_Q),
338 	KEY(2, 2, KEY_E),
339 	KEY(2, 3, KEY_T),
340 	KEY(2, 4, KEY_G),
341 	KEY(2, 5, KEY_U),
342 	KEY(2, 6, KEY_J),
343 	KEY(2, 7, KEY_K),
344 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
345 	KEY(3, 1, KEY_W),
346 	KEY(3, 2, KEY_S),
347 	KEY(3, 3, KEY_F),
348 	KEY(3, 4, KEY_V),
349 	KEY(3, 5, KEY_H),
350 	KEY(3, 6, KEY_M),
351 	KEY(3, 7, KEY_L),
352 	KEY(3, 9, KEY_RIGHTSHIFT),
353 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
354 	KEY(4, 1, KEY_A),
355 	KEY(4, 2, KEY_D),
356 	KEY(4, 3, KEY_C),
357 	KEY(4, 4, KEY_B),
358 	KEY(4, 5, KEY_N),
359 	KEY(4, 6, KEY_DOT),
360 	KEY(4, 8, KEY_ENTER),
361 	KEY(4, 9, KEY_LEFTSHIFT),
362 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
363 	KEY(5, 1, KEY_Z),
364 	KEY(5, 2, KEY_X),
365 	KEY(5, 3, KEY_MINUS),
366 	KEY(5, 4, KEY_SPACE),
367 	KEY(5, 5, KEY_COMMA),
368 	KEY(5, 7, KEY_UP),
369 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
370 	KEY(6, 0, KEY_SYSRQ),
371 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
372 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
373 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
374 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
375 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
376 	KEY(6, 6, KEY_LEFT),
377 	KEY(6, 7, KEY_DOWN),
378 	KEY(6, 8, KEY_RIGHT),
379 };
380 
381 static const struct matrix_keymap_data spitz_keymap_data = {
382 	.keymap		= spitz_keymap,
383 	.keymap_size	= ARRAY_SIZE(spitz_keymap),
384 };
385 
386 static const uint32_t spitz_row_gpios[] =
387 		{ 12, 17, 91, 34, 36, 38, 39 };
388 static const uint32_t spitz_col_gpios[] =
389 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
390 
391 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
392 	.keymap_data		= &spitz_keymap_data,
393 	.row_gpios		= spitz_row_gpios,
394 	.col_gpios		= spitz_col_gpios,
395 	.num_row_gpios		= ARRAY_SIZE(spitz_row_gpios),
396 	.num_col_gpios		= ARRAY_SIZE(spitz_col_gpios),
397 	.col_scan_delay_us	= 10,
398 	.debounce_ms		= 10,
399 	.wakeup			= 1,
400 };
401 
402 static struct platform_device spitz_mkp_device = {
403 	.name		= "matrix-keypad",
404 	.id		= -1,
405 	.dev		= {
406 		.platform_data	= &spitz_mkp_pdata,
407 	},
408 };
409 
410 static void __init spitz_mkp_init(void)
411 {
412 	platform_device_register(&spitz_mkp_device);
413 }
414 #else
415 static inline void spitz_mkp_init(void) {}
416 #endif
417 
418 /******************************************************************************
419  * GPIO keys
420  ******************************************************************************/
421 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
422 static struct gpio_keys_button spitz_gpio_keys[] = {
423 	{
424 		.type	= EV_PWR,
425 		.code	= KEY_SUSPEND,
426 		.gpio	= SPITZ_GPIO_ON_KEY,
427 		.desc	= "On Off",
428 		.wakeup	= 1,
429 	},
430 	/* Two buttons detecting the lid state */
431 	{
432 		.type	= EV_SW,
433 		.code	= 0,
434 		.gpio	= SPITZ_GPIO_SWA,
435 		.desc	= "Display Down",
436 	},
437 	{
438 		.type	= EV_SW,
439 		.code	= 1,
440 		.gpio	= SPITZ_GPIO_SWB,
441 		.desc	= "Lid Closed",
442 	},
443 };
444 
445 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
446 	.buttons	= spitz_gpio_keys,
447 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
448 };
449 
450 static struct platform_device spitz_gpio_keys_device = {
451 	.name	= "gpio-keys",
452 	.id	= -1,
453 	.dev	= {
454 		.platform_data	= &spitz_gpio_keys_platform_data,
455 	},
456 };
457 
458 static void __init spitz_keys_init(void)
459 {
460 	platform_device_register(&spitz_gpio_keys_device);
461 }
462 #else
463 static inline void spitz_keys_init(void) {}
464 #endif
465 
466 /******************************************************************************
467  * LEDs
468  ******************************************************************************/
469 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
470 static const struct software_node spitz_gpio_leds_node = {
471 	.name = "spitz-leds",
472 };
473 
474 static const struct property_entry spitz_orange_led_props[] = {
475 	PROPERTY_ENTRY_STRING("linux,default-trigger", "sharpsl-charge"),
476 	PROPERTY_ENTRY_GPIO("gpios",
477 			    &spitz_scoop_1_gpiochip_node, 6, GPIO_ACTIVE_HIGH),
478 	{ }
479 };
480 
481 static const struct software_node spitz_orange_led_node = {
482 	.name = "spitz:amber:charge",
483 	.parent = &spitz_gpio_leds_node,
484 	.properties = spitz_orange_led_props,
485 };
486 
487 static const struct property_entry spitz_green_led_props[] = {
488 	PROPERTY_ENTRY_STRING("linux,default-trigger", "disk-activity"),
489 	PROPERTY_ENTRY_GPIO("gpios",
490 			    &spitz_scoop_1_gpiochip_node, 0, GPIO_ACTIVE_HIGH),
491 	{ }
492 };
493 
494 static const struct software_node spitz_green_led_node = {
495 	.name = "spitz:green:hddactivity",
496 	.parent = &spitz_gpio_leds_node,
497 	.properties = spitz_green_led_props,
498 };
499 
500 static const struct software_node *spitz_gpio_leds_swnodes[] = {
501 	&spitz_gpio_leds_node,
502 	&spitz_orange_led_node,
503 	&spitz_green_led_node,
504 	NULL
505 };
506 
507 static void __init spitz_leds_init(void)
508 {
509 	struct platform_device_info led_info = {
510 		.name	= "leds-gpio",
511 		.id	= PLATFORM_DEVID_NONE,
512 	};
513 	struct platform_device *led_dev;
514 	int err;
515 
516 	err = software_node_register_node_group(spitz_gpio_leds_swnodes);
517 	if (err) {
518 		pr_err("failed to register LED software nodes: %d\n", err);
519 		return;
520 	}
521 
522 	led_info.fwnode = software_node_fwnode(&spitz_gpio_leds_node);
523 
524 	led_dev = platform_device_register_full(&led_info);
525 	err = PTR_ERR_OR_ZERO(led_dev);
526 	if (err)
527 		pr_err("failed to create LED device: %d\n", err);
528 }
529 #else
530 static inline void spitz_leds_init(void) {}
531 #endif
532 
533 /******************************************************************************
534  * SSP Devices
535  ******************************************************************************/
536 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
537 
538 static const struct property_entry spitz_ads7846_props[] = {
539 	PROPERTY_ENTRY_STRING("compatible", "ti,ads7846"),
540 	PROPERTY_ENTRY_U32("touchscreen-max-pressure", 1024),
541 	PROPERTY_ENTRY_U16("ti,x-plate-ohms", 419),
542 	PROPERTY_ENTRY_U16("ti,y-plate-ohms", 486),
543 	PROPERTY_ENTRY_U16("ti,vref-delay-usecs", 100),
544 	PROPERTY_ENTRY_GPIO("pendown-gpios", &pxa2xx_gpiochip_node,
545 			    SPITZ_GPIO_TP_INT, GPIO_ACTIVE_LOW),
546 	PROPERTY_ENTRY_GPIO("ti,hsync-gpios", &pxa2xx_gpiochip_node,
547 			    SPITZ_GPIO_HSYNC, GPIO_ACTIVE_LOW),
548 	{ }
549 };
550 
551 static const struct software_node spitz_ads7846_swnode = {
552 	.name = "ads7846",
553 	.properties = spitz_ads7846_props,
554 };
555 
556 static const struct property_entry spitz_lcdcon_props[] = {
557 	PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
558 			    &spitz_scoop_2_gpiochip_node, 6, GPIO_ACTIVE_LOW),
559 	PROPERTY_ENTRY_GPIO("BL_ON-gpios",
560 			    &spitz_scoop_2_gpiochip_node, 7, GPIO_ACTIVE_HIGH),
561 	{ }
562 };
563 
564 static const struct property_entry akita_lcdcon_props[] = {
565 	PROPERTY_ENTRY_GPIO("BL_ON-gpios",
566 			    &akita_max7310_gpiochip_node, 3, GPIO_ACTIVE_HIGH),
567 	PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
568 			    &akita_max7310_gpiochip_node, 4, GPIO_ACTIVE_LOW),
569 	{ }
570 };
571 
572 static struct software_node spitz_lcdcon_node = {
573 	.name = "spitz-lcdcon",
574 };
575 
576 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
577 	.init_mode		= CORGI_LCD_MODE_VGA,
578 	.max_intensity		= 0x2f,
579 	.default_intensity	= 0x1f,
580 	.limit_mask		= 0x0b,
581 	.kick_battery		= sharpsl_battery_kick,
582 };
583 
584 static struct spi_board_info spitz_spi_devices[] = {
585 	{
586 		.modalias		= "ads7846",
587 		.max_speed_hz		= 1200000,
588 		.bus_num		= 2,
589 		.chip_select		= 0,
590 		.swnode			= &spitz_ads7846_swnode,
591 		.irq			= PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
592 	}, {
593 		.modalias		= "corgi-lcd",
594 		.max_speed_hz		= 50000,
595 		.bus_num		= 2,
596 		.chip_select		= 1,
597 		.platform_data		= &spitz_lcdcon_info,
598 		.swnode			= &spitz_lcdcon_node,
599 	}, {
600 		.modalias		= "max1111",
601 		.max_speed_hz		= 450000,
602 		.bus_num		= 2,
603 		.chip_select		= 2,
604 	},
605 };
606 
607 static const struct software_node_ref_args spitz_spi_gpio_refs[] = {
608 	SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_ADS7846_CS,
609 				GPIO_ACTIVE_LOW),
610 	SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_LCDCON_CS,
611 				GPIO_ACTIVE_LOW),
612 	SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_MAX1111_CS,
613 				GPIO_ACTIVE_LOW),
614 };
615 
616 static const struct property_entry spitz_spi_properties[] = {
617 	PROPERTY_ENTRY_REF_ARRAY("gpios", spitz_spi_gpio_refs),
618 	{ }
619 };
620 
621 static const struct platform_device_info spitz_spi_device_info = {
622 	.name = "pxa2xx-spi",
623 	/* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
624 	.id = 2,
625 	.properties = spitz_spi_properties,
626 };
627 
628 static void __init spitz_spi_init(void)
629 {
630 	struct platform_device *pd;
631 	int err;
632 
633 	pd = platform_device_register_full(&spitz_spi_device_info);
634 	err = PTR_ERR_OR_ZERO(pd);
635 	if (err)
636 		pr_err("pxa2xx-spi: failed to instantiate SPI controller: %d\n",
637 		       err);
638 
639 	spitz_lcdcon_node.properties = machine_is_akita() ?
640 					akita_lcdcon_props : spitz_lcdcon_props;
641 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
642 }
643 #else
644 static inline void spitz_spi_init(void) {}
645 #endif
646 
647 /******************************************************************************
648  * SD/MMC card controller
649  ******************************************************************************/
650 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
651 /*
652  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
653  * give the card a chance to fully insert/eject.
654  */
655 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
656 {
657 	struct pxamci_platform_data* p_d = dev->platform_data;
658 
659 	if ((1 << vdd) & p_d->ocr_mask)
660 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
661 	else
662 		spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
663 
664 	return 0;
665 }
666 
667 static struct pxamci_platform_data spitz_mci_platform_data = {
668 	.detect_delay_ms	= 250,
669 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
670 	.setpower		= spitz_mci_setpower,
671 };
672 
673 static const struct property_entry spitz_mci_props[] __initconst = {
674 	PROPERTY_ENTRY_GPIO("cd-gpios", &pxa2xx_gpiochip_node,
675 			    SPITZ_GPIO_nSD_DETECT, GPIO_ACTIVE_LOW),
676 	PROPERTY_ENTRY_GPIO("wp-gpios", &pxa2xx_gpiochip_node,
677 			    SPITZ_GPIO_nSD_WP, GPIO_ACTIVE_LOW),
678 	{ }
679 };
680 
681 static void __init spitz_mmc_init(void)
682 {
683 	pxa_set_mci_info(&spitz_mci_platform_data, spitz_mci_props);
684 }
685 #else
686 static inline void spitz_mmc_init(void) {}
687 #endif
688 
689 /******************************************************************************
690  * USB Host
691  ******************************************************************************/
692 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
693 static int spitz_ohci_init(struct device *dev)
694 {
695 	int err;
696 
697 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
698 	if (err)
699 		return err;
700 
701 	/* Only Port 2 is connected, setup USB Port 2 Output Control Register */
702 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
703 
704 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
705 }
706 
707 static void spitz_ohci_exit(struct device *dev)
708 {
709 	gpio_free(SPITZ_GPIO_USB_HOST);
710 }
711 
712 static struct pxaohci_platform_data spitz_ohci_platform_data = {
713 	.port_mode	= PMM_NPS_MODE,
714 	.init		= spitz_ohci_init,
715 	.exit		= spitz_ohci_exit,
716 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
717 	.power_budget	= 150,
718 };
719 
720 static void __init spitz_uhc_init(void)
721 {
722 	pxa_set_ohci_info(&spitz_ohci_platform_data);
723 }
724 #else
725 static inline void spitz_uhc_init(void) {}
726 #endif
727 
728 /******************************************************************************
729  * Framebuffer
730  ******************************************************************************/
731 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
732 static struct pxafb_mode_info spitz_pxafb_modes[] = {
733 	{
734 		.pixclock       = 19231,
735 		.xres           = 480,
736 		.yres           = 640,
737 		.bpp            = 16,
738 		.hsync_len      = 40,
739 		.left_margin    = 46,
740 		.right_margin   = 125,
741 		.vsync_len      = 3,
742 		.upper_margin   = 1,
743 		.lower_margin   = 0,
744 		.sync           = 0,
745 	}, {
746 		.pixclock       = 134617,
747 		.xres           = 240,
748 		.yres           = 320,
749 		.bpp            = 16,
750 		.hsync_len      = 20,
751 		.left_margin    = 20,
752 		.right_margin   = 46,
753 		.vsync_len      = 2,
754 		.upper_margin   = 1,
755 		.lower_margin   = 0,
756 		.sync           = 0,
757 	},
758 };
759 
760 static struct pxafb_mach_info spitz_pxafb_info = {
761 	.modes          = spitz_pxafb_modes,
762 	.num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
763 	.fixed_modes    = 1,
764 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
765 };
766 
767 static void __init spitz_lcd_init(void)
768 {
769 	pxa_set_fb_info(NULL, &spitz_pxafb_info);
770 }
771 #else
772 static inline void spitz_lcd_init(void) {}
773 #endif
774 
775 /******************************************************************************
776  * NAND Flash
777  ******************************************************************************/
778 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
779 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
780 
781 static struct nand_bbt_descr spitz_nand_bbt = {
782 	.options	= 0,
783 	.offs		= 4,
784 	.len		= 2,
785 	.pattern	= scan_ff_pattern
786 };
787 
788 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
789 			       struct mtd_oob_region *oobregion)
790 {
791 	if (section > 12)
792 		return -ERANGE;
793 
794 	switch (section % 3) {
795 	case 0:
796 		oobregion->offset = 5;
797 		oobregion->length = 1;
798 		break;
799 
800 	case 1:
801 		oobregion->offset = 1;
802 		oobregion->length = 3;
803 		break;
804 
805 	case 2:
806 		oobregion->offset = 6;
807 		oobregion->length = 2;
808 		break;
809 	}
810 
811 	oobregion->offset += (section / 3) * 0x10;
812 
813 	return 0;
814 }
815 
816 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
817 				struct mtd_oob_region *oobregion)
818 {
819 	if (section)
820 		return -ERANGE;
821 
822 	oobregion->offset = 8;
823 	oobregion->length = 9;
824 
825 	return 0;
826 }
827 
828 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
829 	.ecc = akita_ooblayout_ecc,
830 	.free = akita_ooblayout_free,
831 };
832 
833 static const char * const probes[] = {
834 	"cmdlinepart",
835 	"ofpart",
836 	"sharpslpart",
837 	NULL,
838 };
839 
840 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
841 	.badblock_pattern	= &spitz_nand_bbt,
842 	.part_parsers		= probes,
843 };
844 
845 static struct resource spitz_nand_resources[] = {
846 	{
847 		.start	= PXA_CS3_PHYS,
848 		.end	= PXA_CS3_PHYS + SZ_4K - 1,
849 		.flags	= IORESOURCE_MEM,
850 	},
851 };
852 
853 static struct platform_device spitz_nand_device = {
854 	.name		= "sharpsl-nand",
855 	.id		= -1,
856 	.resource	= spitz_nand_resources,
857 	.num_resources	= ARRAY_SIZE(spitz_nand_resources),
858 	.dev		= {
859 		.platform_data	= &spitz_nand_pdata,
860 	}
861 };
862 
863 static void __init spitz_nand_init(void)
864 {
865 	if (machine_is_akita() || machine_is_borzoi()) {
866 		spitz_nand_bbt.len = 1;
867 		spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
868 	}
869 
870 	platform_device_register(&spitz_nand_device);
871 }
872 #else
873 static inline void spitz_nand_init(void) {}
874 #endif
875 
876 /******************************************************************************
877  * NOR Flash
878  ******************************************************************************/
879 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
880 static struct mtd_partition spitz_rom_parts[] = {
881 	{
882 		.name	="Boot PROM Filesystem",
883 		.offset	= 0x00140000,
884 		.size	= MTDPART_SIZ_FULL,
885 	},
886 };
887 
888 static struct physmap_flash_data spitz_rom_data = {
889 	.width		= 2,
890 	.nr_parts	= ARRAY_SIZE(spitz_rom_parts),
891 	.parts		= spitz_rom_parts,
892 };
893 
894 static struct resource spitz_rom_resources[] = {
895 	{
896 		.start	= PXA_CS0_PHYS,
897 		.end	= PXA_CS0_PHYS + SZ_8M - 1,
898 		.flags	= IORESOURCE_MEM,
899 	},
900 };
901 
902 static struct platform_device spitz_rom_device = {
903 	.name		= "physmap-flash",
904 	.id		= -1,
905 	.resource	= spitz_rom_resources,
906 	.num_resources	= ARRAY_SIZE(spitz_rom_resources),
907 	.dev		= {
908 		.platform_data	= &spitz_rom_data,
909 	},
910 };
911 
912 static void __init spitz_nor_init(void)
913 {
914 	platform_device_register(&spitz_rom_device);
915 }
916 #else
917 static inline void spitz_nor_init(void) {}
918 #endif
919 
920 /******************************************************************************
921  * I2C devices
922  ******************************************************************************/
923 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
924 static struct pca953x_platform_data akita_pca953x_pdata = {
925 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
926 };
927 
928 static struct i2c_board_info spitz_i2c_devs[] = {
929 	{
930 		.type		= "wm8750",
931 		.addr		= 0x1b,
932 	}, {
933 		.type		= "max7310",
934 		.addr		= 0x18,
935 		.platform_data	= &akita_pca953x_pdata,
936 	},
937 };
938 
939 static struct regulator_consumer_supply isl6271a_consumers[] = {
940 	REGULATOR_SUPPLY("vcc_core", NULL),
941 };
942 
943 static struct regulator_init_data isl6271a_info[] = {
944 	{
945 		.constraints = {
946 			.name		= "vcc_core range",
947 			.min_uV		= 850000,
948 			.max_uV		= 1600000,
949 			.always_on	= 1,
950 			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
951 		},
952 	.consumer_supplies	= isl6271a_consumers,
953 	.num_consumer_supplies	= ARRAY_SIZE(isl6271a_consumers),
954 	}
955 };
956 
957 static struct i2c_board_info spitz_pi2c_devs[] = {
958 	{
959 		.type		= "isl6271a",
960 		.addr		= 0x0c,
961 		.platform_data	= &isl6271a_info,
962 	},
963 };
964 
965 static void __init spitz_i2c_init(void)
966 {
967 	int size = ARRAY_SIZE(spitz_i2c_devs);
968 
969 	/* Only Akita has the max7310 chip */
970 	if (!machine_is_akita())
971 		size--;
972 
973 	pxa_set_i2c_info(NULL);
974 	pxa27x_set_i2c_power_info(NULL);
975 	i2c_register_board_info(0, spitz_i2c_devs, size);
976 	i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
977 }
978 #else
979 static inline void spitz_i2c_init(void) {}
980 #endif
981 
982 static const struct property_entry spitz_audio_props[] = {
983 	PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
984 			    GPIO_ACTIVE_HIGH),
985 	PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
986 			    GPIO_ACTIVE_HIGH),
987 	PROPERTY_ENTRY_GPIO("mic-gpios", &spitz_scoop_2_gpiochip_node, 8,
988 			    GPIO_ACTIVE_HIGH),
989 	{ }
990 };
991 
992 static const struct property_entry akita_audio_props[] = {
993 	PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
994 			    GPIO_ACTIVE_HIGH),
995 	PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
996 			    GPIO_ACTIVE_HIGH),
997 	PROPERTY_ENTRY_GPIO("mic-gpios", &akita_max7310_gpiochip_node, 2,
998 			    GPIO_ACTIVE_HIGH),
999 	{ }
1000 };
1001 
1002 /******************************************************************************
1003  * Audio devices
1004  ******************************************************************************/
1005 static inline void spitz_audio_init(void)
1006 {
1007 	struct platform_device_info audio_info = {
1008 		.name = "spitz-audio",
1009 		.id = PLATFORM_DEVID_NONE,
1010 		.properties = machine_is_akita() ?
1011 				akita_audio_props : spitz_audio_props,
1012 	};
1013 
1014 	platform_device_register_full(&audio_info);
1015 }
1016 
1017 /******************************************************************************
1018  * Machine init
1019  ******************************************************************************/
1020 static void spitz_poweroff(void)
1021 {
1022 	pxa_restart(REBOOT_GPIO, NULL);
1023 }
1024 
1025 static void spitz_restart(enum reboot_mode mode, const char *cmd)
1026 {
1027 	uint32_t msc0 = __raw_readl(MSC0);
1028 	/* Bootloader magic for a reboot */
1029 	if ((msc0 & 0xffff0000) == 0x7ff00000)
1030 		__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
1031 
1032 	spitz_poweroff();
1033 }
1034 
1035 static void __init spitz_init(void)
1036 {
1037 	software_node_register(&spitz_scoop_1_gpiochip_node);
1038 	if (machine_is_akita())
1039 		software_node_register(&akita_max7310_gpiochip_node);
1040 	else
1041 		software_node_register(&spitz_scoop_2_gpiochip_node);
1042 
1043 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1044 	pm_power_off = spitz_poweroff;
1045 
1046 	PMCR = 0x00;
1047 
1048 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1049 	PCFR |= PCFR_OPDE;
1050 
1051 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1052 
1053 	pxa_set_ffuart_info(NULL);
1054 	pxa_set_btuart_info(NULL);
1055 	pxa_set_stuart_info(NULL);
1056 
1057 	spitz_spi_init();
1058 	spitz_scoop_init();
1059 	spitz_mkp_init();
1060 	spitz_keys_init();
1061 	spitz_leds_init();
1062 	spitz_mmc_init();
1063 	spitz_pcmcia_init();
1064 	spitz_uhc_init();
1065 	spitz_lcd_init();
1066 	spitz_nor_init();
1067 	spitz_nand_init();
1068 	spitz_i2c_init();
1069 	spitz_audio_init();
1070 
1071 	regulator_has_full_constraints();
1072 }
1073 
1074 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1075 {
1076 	sharpsl_save_param();
1077 	memblock_add(0xa0000000, SZ_64M);
1078 }
1079 
1080 #ifdef CONFIG_MACH_SPITZ
1081 MACHINE_START(SPITZ, "SHARP Spitz")
1082 	.fixup		= spitz_fixup,
1083 	.map_io		= pxa27x_map_io,
1084 	.nr_irqs	= PXA_NR_IRQS,
1085 	.init_irq	= pxa27x_init_irq,
1086 	.init_machine	= spitz_init,
1087 	.init_time	= pxa_timer_init,
1088 	.restart	= spitz_restart,
1089 MACHINE_END
1090 #endif
1091 
1092 #ifdef CONFIG_MACH_BORZOI
1093 MACHINE_START(BORZOI, "SHARP Borzoi")
1094 	.fixup		= spitz_fixup,
1095 	.map_io		= pxa27x_map_io,
1096 	.nr_irqs	= PXA_NR_IRQS,
1097 	.init_irq	= pxa27x_init_irq,
1098 	.init_machine	= spitz_init,
1099 	.init_time	= pxa_timer_init,
1100 	.restart	= spitz_restart,
1101 MACHINE_END
1102 #endif
1103 
1104 #ifdef CONFIG_MACH_AKITA
1105 MACHINE_START(AKITA, "SHARP Akita")
1106 	.fixup		= spitz_fixup,
1107 	.map_io		= pxa27x_map_io,
1108 	.nr_irqs	= PXA_NR_IRQS,
1109 	.init_irq	= pxa27x_init_irq,
1110 	.init_machine	= spitz_init,
1111 	.init_time	= pxa_timer_init,
1112 	.restart	= spitz_restart,
1113 MACHINE_END
1114 #endif
1115