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/leds.h> |
18 | #include <linux/i2c.h> |
19 | #include <linux/platform_data/i2c-pxa.h> |
20 | #include <linux/platform_data/pca953x.h> |
21 | #include <linux/spi/spi.h> |
22 | #include <linux/spi/ads7846.h> |
23 | #include <linux/spi/corgi_lcd.h> |
24 | #include <linux/spi/pxa2xx_spi.h> |
25 | #include <linux/mtd/sharpsl.h> |
26 | #include <linux/mtd/physmap.h> |
27 | #include <linux/input-event-codes.h> |
28 | #include <linux/input/matrix_keypad.h> |
29 | #include <linux/regulator/machine.h> |
30 | #include <linux/io.h> |
31 | #include <linux/reboot.h> |
32 | #include <linux/memblock.h> |
33 | |
34 | #include <asm/setup.h> |
35 | #include <asm/mach-types.h> |
36 | #include <asm/mach/arch.h> |
37 | #include <asm/mach/sharpsl_param.h> |
38 | #include <asm/hardware/scoop.h> |
39 | |
40 | #include "pxa27x.h" |
41 | #include "pxa27x-udc.h" |
42 | #include "reset.h" |
43 | #include <linux/platform_data/mmc-pxamci.h> |
44 | #include <linux/platform_data/usb-ohci-pxa27x.h> |
45 | #include <linux/platform_data/video-pxafb.h> |
46 | #include "spitz.h" |
47 | #include "sharpsl_pm.h" |
48 | #include "smemc.h" |
49 | |
50 | #include "generic.h" |
51 | #include "devices.h" |
52 | |
53 | /****************************************************************************** |
54 | * Pin configuration |
55 | ******************************************************************************/ |
56 | static unsigned long spitz_pin_config[] __initdata = { |
57 | /* Chip Selects */ |
58 | GPIO78_nCS_2, /* SCOOP #2 */ |
59 | GPIO79_nCS_3, /* NAND */ |
60 | GPIO80_nCS_4, /* SCOOP #1 */ |
61 | |
62 | /* LCD - 16bpp Active TFT */ |
63 | GPIOxx_LCD_TFT_16BPP, |
64 | |
65 | /* PC Card */ |
66 | GPIO48_nPOE, |
67 | GPIO49_nPWE, |
68 | GPIO50_nPIOR, |
69 | GPIO51_nPIOW, |
70 | GPIO85_nPCE_1, |
71 | GPIO54_nPCE_2, |
72 | GPIO55_nPREG, |
73 | GPIO56_nPWAIT, |
74 | GPIO57_nIOIS16, |
75 | GPIO104_PSKTSEL, |
76 | |
77 | /* I2S */ |
78 | GPIO28_I2S_BITCLK_OUT, |
79 | GPIO29_I2S_SDATA_IN, |
80 | GPIO30_I2S_SDATA_OUT, |
81 | GPIO31_I2S_SYNC, |
82 | |
83 | /* MMC */ |
84 | GPIO32_MMC_CLK, |
85 | GPIO112_MMC_CMD, |
86 | GPIO92_MMC_DAT_0, |
87 | GPIO109_MMC_DAT_1, |
88 | GPIO110_MMC_DAT_2, |
89 | GPIO111_MMC_DAT_3, |
90 | |
91 | /* GPIOs */ |
92 | GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ |
93 | GPIO16_GPIO, /* SPITZ_GPIO_SYNC */ |
94 | GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ |
95 | GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ |
96 | GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ |
97 | GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ |
98 | GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ |
99 | GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ |
100 | GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ |
101 | GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ |
102 | |
103 | /* GPIO matrix keypad */ |
104 | GPIO88_GPIO, /* column 0 */ |
105 | GPIO23_GPIO, /* column 1 */ |
106 | GPIO24_GPIO, /* column 2 */ |
107 | GPIO25_GPIO, /* column 3 */ |
108 | GPIO26_GPIO, /* column 4 */ |
109 | GPIO27_GPIO, /* column 5 */ |
110 | GPIO52_GPIO, /* column 6 */ |
111 | GPIO103_GPIO, /* column 7 */ |
112 | GPIO107_GPIO, /* column 8 */ |
113 | GPIO108_GPIO, /* column 9 */ |
114 | GPIO114_GPIO, /* column 10 */ |
115 | GPIO12_GPIO, /* row 0 */ |
116 | GPIO17_GPIO, /* row 1 */ |
117 | GPIO91_GPIO, /* row 2 */ |
118 | GPIO34_GPIO, /* row 3 */ |
119 | GPIO36_GPIO, /* row 4 */ |
120 | GPIO38_GPIO, /* row 5 */ |
121 | GPIO39_GPIO, /* row 6 */ |
122 | |
123 | /* I2C */ |
124 | GPIO117_I2C_SCL, |
125 | GPIO118_I2C_SDA, |
126 | |
127 | GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */ |
128 | GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */ |
129 | }; |
130 | |
131 | |
132 | /****************************************************************************** |
133 | * Scoop GPIO expander |
134 | ******************************************************************************/ |
135 | #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) |
136 | /* SCOOP Device #1 */ |
137 | static struct resource spitz_scoop_1_resources[] = { |
138 | [0] = { |
139 | .start = 0x10800000, |
140 | .end = 0x10800fff, |
141 | .flags = IORESOURCE_MEM, |
142 | }, |
143 | }; |
144 | |
145 | static struct scoop_config spitz_scoop_1_setup = { |
146 | .io_dir = SPITZ_SCP_IO_DIR, |
147 | .io_out = SPITZ_SCP_IO_OUT, |
148 | .suspend_clr = SPITZ_SCP_SUS_CLR, |
149 | .suspend_set = SPITZ_SCP_SUS_SET, |
150 | .gpio_base = SPITZ_SCP_GPIO_BASE, |
151 | }; |
152 | |
153 | struct platform_device spitz_scoop_1_device = { |
154 | .name = "sharp-scoop" , |
155 | .id = 0, |
156 | .dev = { |
157 | .platform_data = &spitz_scoop_1_setup, |
158 | }, |
159 | .num_resources = ARRAY_SIZE(spitz_scoop_1_resources), |
160 | .resource = spitz_scoop_1_resources, |
161 | }; |
162 | |
163 | /* SCOOP Device #2 */ |
164 | static struct resource spitz_scoop_2_resources[] = { |
165 | [0] = { |
166 | .start = 0x08800040, |
167 | .end = 0x08800fff, |
168 | .flags = IORESOURCE_MEM, |
169 | }, |
170 | }; |
171 | |
172 | static struct scoop_config spitz_scoop_2_setup = { |
173 | .io_dir = SPITZ_SCP2_IO_DIR, |
174 | .io_out = SPITZ_SCP2_IO_OUT, |
175 | .suspend_clr = SPITZ_SCP2_SUS_CLR, |
176 | .suspend_set = SPITZ_SCP2_SUS_SET, |
177 | .gpio_base = SPITZ_SCP2_GPIO_BASE, |
178 | }; |
179 | |
180 | struct platform_device spitz_scoop_2_device = { |
181 | .name = "sharp-scoop" , |
182 | .id = 1, |
183 | .dev = { |
184 | .platform_data = &spitz_scoop_2_setup, |
185 | }, |
186 | .num_resources = ARRAY_SIZE(spitz_scoop_2_resources), |
187 | .resource = spitz_scoop_2_resources, |
188 | }; |
189 | |
190 | static void __init spitz_scoop_init(void) |
191 | { |
192 | platform_device_register(&spitz_scoop_1_device); |
193 | |
194 | /* Akita doesn't have the second SCOOP chip */ |
195 | if (!machine_is_akita()) |
196 | platform_device_register(&spitz_scoop_2_device); |
197 | } |
198 | |
199 | /* Power control is shared with between one of the CF slots and SD */ |
200 | static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) |
201 | { |
202 | unsigned short cpr; |
203 | unsigned long flags; |
204 | |
205 | if (new_cpr & 0x7) { |
206 | gpio_set_value(SPITZ_GPIO_CF_POWER, 1); |
207 | mdelay(5); |
208 | } |
209 | |
210 | local_irq_save(flags); |
211 | |
212 | cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR); |
213 | |
214 | if (enable & new_cpr) |
215 | cpr |= new_cpr; |
216 | else |
217 | cpr &= ~enable; |
218 | |
219 | write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr); |
220 | |
221 | local_irq_restore(flags); |
222 | |
223 | if (!(cpr & 0x7)) { |
224 | mdelay(1); |
225 | gpio_set_value(SPITZ_GPIO_CF_POWER, 0); |
226 | } |
227 | } |
228 | |
229 | #else |
230 | static inline void spitz_scoop_init(void) {} |
231 | static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {} |
232 | #endif |
233 | |
234 | /****************************************************************************** |
235 | * PCMCIA |
236 | ******************************************************************************/ |
237 | #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) |
238 | static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr) |
239 | { |
240 | /* Only need to override behaviour for slot 0 */ |
241 | if (nr == 0) |
242 | spitz_card_pwr_ctrl( |
243 | cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr); |
244 | else |
245 | write_scoop_reg(scoop, SCOOP_CPR, cpr); |
246 | } |
247 | |
248 | static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { |
249 | { |
250 | .dev = &spitz_scoop_1_device.dev, |
251 | .irq = SPITZ_IRQ_GPIO_CF_IRQ, |
252 | .cd_irq = SPITZ_IRQ_GPIO_CF_CD, |
253 | .cd_irq_str = "PCMCIA0 CD" , |
254 | }, { |
255 | .dev = &spitz_scoop_2_device.dev, |
256 | .irq = SPITZ_IRQ_GPIO_CF2_IRQ, |
257 | .cd_irq = -1, |
258 | }, |
259 | }; |
260 | |
261 | static struct scoop_pcmcia_config spitz_pcmcia_config = { |
262 | .devs = &spitz_pcmcia_scoop[0], |
263 | .num_devs = 2, |
264 | .power_ctrl = spitz_pcmcia_pwr, |
265 | }; |
266 | |
267 | static void __init spitz_pcmcia_init(void) |
268 | { |
269 | /* Akita has only one PCMCIA slot used */ |
270 | if (machine_is_akita()) |
271 | spitz_pcmcia_config.num_devs = 1; |
272 | |
273 | platform_scoop_config = &spitz_pcmcia_config; |
274 | } |
275 | #else |
276 | static inline void spitz_pcmcia_init(void) {} |
277 | #endif |
278 | |
279 | /****************************************************************************** |
280 | * GPIO keyboard |
281 | ******************************************************************************/ |
282 | #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) |
283 | |
284 | #define SPITZ_KEY_CALENDAR KEY_F1 |
285 | #define SPITZ_KEY_ADDRESS KEY_F2 |
286 | #define SPITZ_KEY_FN KEY_F3 |
287 | #define SPITZ_KEY_CANCEL KEY_F4 |
288 | #define SPITZ_KEY_EXOK KEY_F5 |
289 | #define SPITZ_KEY_EXCANCEL KEY_F6 |
290 | #define SPITZ_KEY_EXJOGDOWN KEY_F7 |
291 | #define SPITZ_KEY_EXJOGUP KEY_F8 |
292 | #define SPITZ_KEY_JAP1 KEY_LEFTALT |
293 | #define SPITZ_KEY_JAP2 KEY_RIGHTCTRL |
294 | #define SPITZ_KEY_SYNC KEY_F9 |
295 | #define SPITZ_KEY_MAIL KEY_F10 |
296 | #define SPITZ_KEY_OK KEY_F11 |
297 | #define KEY_F12 |
298 | |
299 | static const uint32_t spitz_keymap[] = { |
300 | KEY(0, 0, KEY_LEFTCTRL), |
301 | KEY(0, 1, KEY_1), |
302 | KEY(0, 2, KEY_3), |
303 | KEY(0, 3, KEY_5), |
304 | KEY(0, 4, KEY_6), |
305 | KEY(0, 5, KEY_7), |
306 | KEY(0, 6, KEY_9), |
307 | KEY(0, 7, KEY_0), |
308 | KEY(0, 8, KEY_BACKSPACE), |
309 | KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */ |
310 | KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */ |
311 | KEY(1, 1, KEY_2), |
312 | KEY(1, 2, KEY_4), |
313 | KEY(1, 3, KEY_R), |
314 | KEY(1, 4, KEY_Y), |
315 | KEY(1, 5, KEY_8), |
316 | KEY(1, 6, KEY_I), |
317 | KEY(1, 7, KEY_O), |
318 | KEY(1, 8, KEY_P), |
319 | KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */ |
320 | KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */ |
321 | KEY(2, 0, KEY_TAB), |
322 | KEY(2, 1, KEY_Q), |
323 | KEY(2, 2, KEY_E), |
324 | KEY(2, 3, KEY_T), |
325 | KEY(2, 4, KEY_G), |
326 | KEY(2, 5, KEY_U), |
327 | KEY(2, 6, KEY_J), |
328 | KEY(2, 7, KEY_K), |
329 | KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */ |
330 | KEY(3, 1, KEY_W), |
331 | KEY(3, 2, KEY_S), |
332 | KEY(3, 3, KEY_F), |
333 | KEY(3, 4, KEY_V), |
334 | KEY(3, 5, KEY_H), |
335 | KEY(3, 6, KEY_M), |
336 | KEY(3, 7, KEY_L), |
337 | KEY(3, 9, KEY_RIGHTSHIFT), |
338 | KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */ |
339 | KEY(4, 1, KEY_A), |
340 | KEY(4, 2, KEY_D), |
341 | KEY(4, 3, KEY_C), |
342 | KEY(4, 4, KEY_B), |
343 | KEY(4, 5, KEY_N), |
344 | KEY(4, 6, KEY_DOT), |
345 | KEY(4, 8, KEY_ENTER), |
346 | KEY(4, 9, KEY_LEFTSHIFT), |
347 | KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */ |
348 | KEY(5, 1, KEY_Z), |
349 | KEY(5, 2, KEY_X), |
350 | KEY(5, 3, KEY_MINUS), |
351 | KEY(5, 4, KEY_SPACE), |
352 | KEY(5, 5, KEY_COMMA), |
353 | KEY(5, 7, KEY_UP), |
354 | KEY(5, 10, SPITZ_KEY_FN), /* FN */ |
355 | KEY(6, 0, KEY_SYSRQ), |
356 | KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */ |
357 | KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */ |
358 | KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */ |
359 | KEY(6, 4, SPITZ_KEY_OK), /* OK */ |
360 | KEY(6, 5, SPITZ_KEY_MENU), /* MENU */ |
361 | KEY(6, 6, KEY_LEFT), |
362 | KEY(6, 7, KEY_DOWN), |
363 | KEY(6, 8, KEY_RIGHT), |
364 | }; |
365 | |
366 | static const struct matrix_keymap_data spitz_keymap_data = { |
367 | .keymap = spitz_keymap, |
368 | .keymap_size = ARRAY_SIZE(spitz_keymap), |
369 | }; |
370 | |
371 | static const uint32_t spitz_row_gpios[] = |
372 | { 12, 17, 91, 34, 36, 38, 39 }; |
373 | static const uint32_t spitz_col_gpios[] = |
374 | { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 }; |
375 | |
376 | static struct matrix_keypad_platform_data spitz_mkp_pdata = { |
377 | .keymap_data = &spitz_keymap_data, |
378 | .row_gpios = spitz_row_gpios, |
379 | .col_gpios = spitz_col_gpios, |
380 | .num_row_gpios = ARRAY_SIZE(spitz_row_gpios), |
381 | .num_col_gpios = ARRAY_SIZE(spitz_col_gpios), |
382 | .col_scan_delay_us = 10, |
383 | .debounce_ms = 10, |
384 | .wakeup = 1, |
385 | }; |
386 | |
387 | static struct platform_device spitz_mkp_device = { |
388 | .name = "matrix-keypad" , |
389 | .id = -1, |
390 | .dev = { |
391 | .platform_data = &spitz_mkp_pdata, |
392 | }, |
393 | }; |
394 | |
395 | static void __init spitz_mkp_init(void) |
396 | { |
397 | platform_device_register(&spitz_mkp_device); |
398 | } |
399 | #else |
400 | static inline void spitz_mkp_init(void) {} |
401 | #endif |
402 | |
403 | /****************************************************************************** |
404 | * GPIO keys |
405 | ******************************************************************************/ |
406 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
407 | static struct gpio_keys_button spitz_gpio_keys[] = { |
408 | { |
409 | .type = EV_PWR, |
410 | .code = KEY_SUSPEND, |
411 | .gpio = SPITZ_GPIO_ON_KEY, |
412 | .desc = "On Off" , |
413 | .wakeup = 1, |
414 | }, |
415 | /* Two buttons detecting the lid state */ |
416 | { |
417 | .type = EV_SW, |
418 | .code = 0, |
419 | .gpio = SPITZ_GPIO_SWA, |
420 | .desc = "Display Down" , |
421 | }, |
422 | { |
423 | .type = EV_SW, |
424 | .code = 1, |
425 | .gpio = SPITZ_GPIO_SWB, |
426 | .desc = "Lid Closed" , |
427 | }, |
428 | }; |
429 | |
430 | static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = { |
431 | .buttons = spitz_gpio_keys, |
432 | .nbuttons = ARRAY_SIZE(spitz_gpio_keys), |
433 | }; |
434 | |
435 | static struct platform_device spitz_gpio_keys_device = { |
436 | .name = "gpio-keys" , |
437 | .id = -1, |
438 | .dev = { |
439 | .platform_data = &spitz_gpio_keys_platform_data, |
440 | }, |
441 | }; |
442 | |
443 | static void __init spitz_keys_init(void) |
444 | { |
445 | platform_device_register(&spitz_gpio_keys_device); |
446 | } |
447 | #else |
448 | static inline void spitz_keys_init(void) {} |
449 | #endif |
450 | |
451 | /****************************************************************************** |
452 | * LEDs |
453 | ******************************************************************************/ |
454 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
455 | static struct gpio_led spitz_gpio_leds[] = { |
456 | { |
457 | .name = "spitz:amber:charge" , |
458 | .default_trigger = "sharpsl-charge" , |
459 | .gpio = SPITZ_GPIO_LED_ORANGE, |
460 | }, |
461 | { |
462 | .name = "spitz:green:hddactivity" , |
463 | .default_trigger = "disk-activity" , |
464 | .gpio = SPITZ_GPIO_LED_GREEN, |
465 | }, |
466 | }; |
467 | |
468 | static struct gpio_led_platform_data spitz_gpio_leds_info = { |
469 | .leds = spitz_gpio_leds, |
470 | .num_leds = ARRAY_SIZE(spitz_gpio_leds), |
471 | }; |
472 | |
473 | static struct platform_device spitz_led_device = { |
474 | .name = "leds-gpio" , |
475 | .id = -1, |
476 | .dev = { |
477 | .platform_data = &spitz_gpio_leds_info, |
478 | }, |
479 | }; |
480 | |
481 | static void __init spitz_leds_init(void) |
482 | { |
483 | platform_device_register(&spitz_led_device); |
484 | } |
485 | #else |
486 | static inline void spitz_leds_init(void) {} |
487 | #endif |
488 | |
489 | /****************************************************************************** |
490 | * SSP Devices |
491 | ******************************************************************************/ |
492 | #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) |
493 | static void spitz_ads7846_wait_for_hsync(void) |
494 | { |
495 | while (gpio_get_value(SPITZ_GPIO_HSYNC)) |
496 | cpu_relax(); |
497 | |
498 | while (!gpio_get_value(SPITZ_GPIO_HSYNC)) |
499 | cpu_relax(); |
500 | } |
501 | |
502 | static struct ads7846_platform_data spitz_ads7846_info = { |
503 | .model = 7846, |
504 | .vref_delay_usecs = 100, |
505 | .x_plate_ohms = 419, |
506 | .y_plate_ohms = 486, |
507 | .pressure_max = 1024, |
508 | .wait_for_sync = spitz_ads7846_wait_for_hsync, |
509 | }; |
510 | |
511 | static struct gpiod_lookup_table spitz_ads7846_gpio_table = { |
512 | .dev_id = "spi2.0" , |
513 | .table = { |
514 | GPIO_LOOKUP("gpio-pxa" , SPITZ_GPIO_TP_INT, |
515 | "pendown" , GPIO_ACTIVE_LOW), |
516 | { } |
517 | }, |
518 | }; |
519 | |
520 | static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { |
521 | .dev_id = "spi2.1" , |
522 | .table = { |
523 | GPIO_LOOKUP("gpio-pxa" , SPITZ_GPIO_BACKLIGHT_CONT, |
524 | "BL_CONT" , GPIO_ACTIVE_LOW), |
525 | GPIO_LOOKUP("gpio-pxa" , SPITZ_GPIO_BACKLIGHT_ON, |
526 | "BL_ON" , GPIO_ACTIVE_HIGH), |
527 | { }, |
528 | }, |
529 | }; |
530 | |
531 | static struct gpiod_lookup_table akita_lcdcon_gpio_table = { |
532 | .dev_id = "spi2.1" , |
533 | .table = { |
534 | GPIO_LOOKUP("gpio-pxa" , AKITA_GPIO_BACKLIGHT_CONT, |
535 | "BL_CONT" , GPIO_ACTIVE_LOW), |
536 | GPIO_LOOKUP("gpio-pxa" , AKITA_GPIO_BACKLIGHT_ON, |
537 | "BL_ON" , GPIO_ACTIVE_HIGH), |
538 | { }, |
539 | }, |
540 | }; |
541 | |
542 | static struct corgi_lcd_platform_data spitz_lcdcon_info = { |
543 | .init_mode = CORGI_LCD_MODE_VGA, |
544 | .max_intensity = 0x2f, |
545 | .default_intensity = 0x1f, |
546 | .limit_mask = 0x0b, |
547 | .kick_battery = sharpsl_battery_kick, |
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 | .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), |
558 | }, { |
559 | .modalias = "corgi-lcd" , |
560 | .max_speed_hz = 50000, |
561 | .bus_num = 2, |
562 | .chip_select = 1, |
563 | .platform_data = &spitz_lcdcon_info, |
564 | }, { |
565 | .modalias = "max1111" , |
566 | .max_speed_hz = 450000, |
567 | .bus_num = 2, |
568 | .chip_select = 2, |
569 | }, |
570 | }; |
571 | |
572 | static struct pxa2xx_spi_controller spitz_spi_info = { |
573 | .num_chipselect = 3, |
574 | }; |
575 | |
576 | static struct gpiod_lookup_table spitz_spi_gpio_table = { |
577 | .dev_id = "spi2" , |
578 | .table = { |
579 | GPIO_LOOKUP_IDX("gpio-pxa" , SPITZ_GPIO_ADS7846_CS, "cs" , 0, GPIO_ACTIVE_LOW), |
580 | GPIO_LOOKUP_IDX("gpio-pxa" , SPITZ_GPIO_LCDCON_CS, "cs" , 1, GPIO_ACTIVE_LOW), |
581 | GPIO_LOOKUP_IDX("gpio-pxa" , SPITZ_GPIO_MAX1111_CS, "cs" , 2, GPIO_ACTIVE_LOW), |
582 | { }, |
583 | }, |
584 | }; |
585 | |
586 | static void __init spitz_spi_init(void) |
587 | { |
588 | if (machine_is_akita()) |
589 | gpiod_add_lookup_table(table: &akita_lcdcon_gpio_table); |
590 | else |
591 | gpiod_add_lookup_table(table: &spitz_lcdcon_gpio_table); |
592 | |
593 | gpiod_add_lookup_table(table: &spitz_ads7846_gpio_table); |
594 | gpiod_add_lookup_table(table: &spitz_spi_gpio_table); |
595 | pxa2xx_set_spi_info(2, &spitz_spi_info); |
596 | spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); |
597 | } |
598 | #else |
599 | static inline void spitz_spi_init(void) {} |
600 | #endif |
601 | |
602 | /****************************************************************************** |
603 | * SD/MMC card controller |
604 | ******************************************************************************/ |
605 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) |
606 | /* |
607 | * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to |
608 | * give the card a chance to fully insert/eject. |
609 | */ |
610 | static int spitz_mci_setpower(struct device *dev, unsigned int vdd) |
611 | { |
612 | struct pxamci_platform_data* p_d = dev->platform_data; |
613 | |
614 | if ((1 << vdd) & p_d->ocr_mask) |
615 | spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); |
616 | else |
617 | spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); |
618 | |
619 | return 0; |
620 | } |
621 | |
622 | static struct pxamci_platform_data spitz_mci_platform_data = { |
623 | .detect_delay_ms = 250, |
624 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
625 | .setpower = spitz_mci_setpower, |
626 | }; |
627 | |
628 | static struct gpiod_lookup_table spitz_mci_gpio_table = { |
629 | .dev_id = "pxa2xx-mci.0" , |
630 | .table = { |
631 | GPIO_LOOKUP("gpio-pxa" , SPITZ_GPIO_nSD_DETECT, |
632 | "cd" , GPIO_ACTIVE_LOW), |
633 | GPIO_LOOKUP("gpio-pxa" , SPITZ_GPIO_nSD_WP, |
634 | "wp" , GPIO_ACTIVE_LOW), |
635 | { }, |
636 | }, |
637 | }; |
638 | |
639 | static void __init spitz_mmc_init(void) |
640 | { |
641 | gpiod_add_lookup_table(&spitz_mci_gpio_table); |
642 | pxa_set_mci_info(&spitz_mci_platform_data); |
643 | } |
644 | #else |
645 | static inline void spitz_mmc_init(void) {} |
646 | #endif |
647 | |
648 | /****************************************************************************** |
649 | * USB Host |
650 | ******************************************************************************/ |
651 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
652 | static int spitz_ohci_init(struct device *dev) |
653 | { |
654 | int err; |
655 | |
656 | err = gpio_request(SPITZ_GPIO_USB_HOST, label: "USB_HOST" ); |
657 | if (err) |
658 | return err; |
659 | |
660 | /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ |
661 | UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; |
662 | |
663 | return gpio_direction_output(SPITZ_GPIO_USB_HOST, value: 1); |
664 | } |
665 | |
666 | static void spitz_ohci_exit(struct device *dev) |
667 | { |
668 | gpio_free(SPITZ_GPIO_USB_HOST); |
669 | } |
670 | |
671 | static struct pxaohci_platform_data spitz_ohci_platform_data = { |
672 | .port_mode = PMM_NPS_MODE, |
673 | .init = spitz_ohci_init, |
674 | .exit = spitz_ohci_exit, |
675 | .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, |
676 | .power_budget = 150, |
677 | }; |
678 | |
679 | static void __init spitz_uhc_init(void) |
680 | { |
681 | pxa_set_ohci_info(info: &spitz_ohci_platform_data); |
682 | } |
683 | #else |
684 | static inline void spitz_uhc_init(void) {} |
685 | #endif |
686 | |
687 | /****************************************************************************** |
688 | * Framebuffer |
689 | ******************************************************************************/ |
690 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
691 | static struct pxafb_mode_info spitz_pxafb_modes[] = { |
692 | { |
693 | .pixclock = 19231, |
694 | .xres = 480, |
695 | .yres = 640, |
696 | .bpp = 16, |
697 | .hsync_len = 40, |
698 | .left_margin = 46, |
699 | .right_margin = 125, |
700 | .vsync_len = 3, |
701 | .upper_margin = 1, |
702 | .lower_margin = 0, |
703 | .sync = 0, |
704 | }, { |
705 | .pixclock = 134617, |
706 | .xres = 240, |
707 | .yres = 320, |
708 | .bpp = 16, |
709 | .hsync_len = 20, |
710 | .left_margin = 20, |
711 | .right_margin = 46, |
712 | .vsync_len = 2, |
713 | .upper_margin = 1, |
714 | .lower_margin = 0, |
715 | .sync = 0, |
716 | }, |
717 | }; |
718 | |
719 | static struct pxafb_mach_info spitz_pxafb_info = { |
720 | .modes = spitz_pxafb_modes, |
721 | .num_modes = ARRAY_SIZE(spitz_pxafb_modes), |
722 | .fixed_modes = 1, |
723 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, |
724 | }; |
725 | |
726 | static void __init spitz_lcd_init(void) |
727 | { |
728 | pxa_set_fb_info(NULL, &spitz_pxafb_info); |
729 | } |
730 | #else |
731 | static inline void spitz_lcd_init(void) {} |
732 | #endif |
733 | |
734 | /****************************************************************************** |
735 | * NAND Flash |
736 | ******************************************************************************/ |
737 | #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) |
738 | static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; |
739 | |
740 | static struct nand_bbt_descr spitz_nand_bbt = { |
741 | .options = 0, |
742 | .offs = 4, |
743 | .len = 2, |
744 | .pattern = scan_ff_pattern |
745 | }; |
746 | |
747 | static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, |
748 | struct mtd_oob_region *oobregion) |
749 | { |
750 | if (section > 12) |
751 | return -ERANGE; |
752 | |
753 | switch (section % 3) { |
754 | case 0: |
755 | oobregion->offset = 5; |
756 | oobregion->length = 1; |
757 | break; |
758 | |
759 | case 1: |
760 | oobregion->offset = 1; |
761 | oobregion->length = 3; |
762 | break; |
763 | |
764 | case 2: |
765 | oobregion->offset = 6; |
766 | oobregion->length = 2; |
767 | break; |
768 | } |
769 | |
770 | oobregion->offset += (section / 3) * 0x10; |
771 | |
772 | return 0; |
773 | } |
774 | |
775 | static int akita_ooblayout_free(struct mtd_info *mtd, int section, |
776 | struct mtd_oob_region *oobregion) |
777 | { |
778 | if (section) |
779 | return -ERANGE; |
780 | |
781 | oobregion->offset = 8; |
782 | oobregion->length = 9; |
783 | |
784 | return 0; |
785 | } |
786 | |
787 | static const struct mtd_ooblayout_ops akita_ooblayout_ops = { |
788 | .ecc = akita_ooblayout_ecc, |
789 | .free = akita_ooblayout_free, |
790 | }; |
791 | |
792 | static const char * const probes[] = { |
793 | "cmdlinepart" , |
794 | "ofpart" , |
795 | "sharpslpart" , |
796 | NULL, |
797 | }; |
798 | |
799 | static struct sharpsl_nand_platform_data spitz_nand_pdata = { |
800 | .badblock_pattern = &spitz_nand_bbt, |
801 | .part_parsers = probes, |
802 | }; |
803 | |
804 | static struct resource spitz_nand_resources[] = { |
805 | { |
806 | .start = PXA_CS3_PHYS, |
807 | .end = PXA_CS3_PHYS + SZ_4K - 1, |
808 | .flags = IORESOURCE_MEM, |
809 | }, |
810 | }; |
811 | |
812 | static struct platform_device spitz_nand_device = { |
813 | .name = "sharpsl-nand" , |
814 | .id = -1, |
815 | .resource = spitz_nand_resources, |
816 | .num_resources = ARRAY_SIZE(spitz_nand_resources), |
817 | .dev = { |
818 | .platform_data = &spitz_nand_pdata, |
819 | } |
820 | }; |
821 | |
822 | static void __init spitz_nand_init(void) |
823 | { |
824 | if (machine_is_akita() || machine_is_borzoi()) { |
825 | spitz_nand_bbt.len = 1; |
826 | spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; |
827 | } |
828 | |
829 | platform_device_register(&spitz_nand_device); |
830 | } |
831 | #else |
832 | static inline void spitz_nand_init(void) {} |
833 | #endif |
834 | |
835 | /****************************************************************************** |
836 | * NOR Flash |
837 | ******************************************************************************/ |
838 | #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) |
839 | static struct mtd_partition spitz_rom_parts[] = { |
840 | { |
841 | .name ="Boot PROM Filesystem" , |
842 | .offset = 0x00140000, |
843 | .size = MTDPART_SIZ_FULL, |
844 | }, |
845 | }; |
846 | |
847 | static struct physmap_flash_data spitz_rom_data = { |
848 | .width = 2, |
849 | .nr_parts = ARRAY_SIZE(spitz_rom_parts), |
850 | .parts = spitz_rom_parts, |
851 | }; |
852 | |
853 | static struct resource spitz_rom_resources[] = { |
854 | { |
855 | .start = PXA_CS0_PHYS, |
856 | .end = PXA_CS0_PHYS + SZ_8M - 1, |
857 | .flags = IORESOURCE_MEM, |
858 | }, |
859 | }; |
860 | |
861 | static struct platform_device spitz_rom_device = { |
862 | .name = "physmap-flash" , |
863 | .id = -1, |
864 | .resource = spitz_rom_resources, |
865 | .num_resources = ARRAY_SIZE(spitz_rom_resources), |
866 | .dev = { |
867 | .platform_data = &spitz_rom_data, |
868 | }, |
869 | }; |
870 | |
871 | static void __init spitz_nor_init(void) |
872 | { |
873 | platform_device_register(&spitz_rom_device); |
874 | } |
875 | #else |
876 | static inline void spitz_nor_init(void) {} |
877 | #endif |
878 | |
879 | /****************************************************************************** |
880 | * I2C devices |
881 | ******************************************************************************/ |
882 | #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) |
883 | static struct pca953x_platform_data akita_pca953x_pdata = { |
884 | .gpio_base = AKITA_IOEXP_GPIO_BASE, |
885 | }; |
886 | |
887 | static struct i2c_board_info spitz_i2c_devs[] = { |
888 | { |
889 | .type = "wm8750" , |
890 | .addr = 0x1b, |
891 | }, { |
892 | .type = "max7310" , |
893 | .addr = 0x18, |
894 | .platform_data = &akita_pca953x_pdata, |
895 | }, |
896 | }; |
897 | |
898 | static struct regulator_consumer_supply isl6271a_consumers[] = { |
899 | REGULATOR_SUPPLY("vcc_core" , NULL), |
900 | }; |
901 | |
902 | static struct regulator_init_data isl6271a_info[] = { |
903 | { |
904 | .constraints = { |
905 | .name = "vcc_core range" , |
906 | .min_uV = 850000, |
907 | .max_uV = 1600000, |
908 | .always_on = 1, |
909 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
910 | }, |
911 | .consumer_supplies = isl6271a_consumers, |
912 | .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), |
913 | } |
914 | }; |
915 | |
916 | static struct i2c_board_info spitz_pi2c_devs[] = { |
917 | { |
918 | .type = "isl6271a" , |
919 | .addr = 0x0c, |
920 | .platform_data = &isl6271a_info, |
921 | }, |
922 | }; |
923 | |
924 | static void __init spitz_i2c_init(void) |
925 | { |
926 | int size = ARRAY_SIZE(spitz_i2c_devs); |
927 | |
928 | /* Only Akita has the max7310 chip */ |
929 | if (!machine_is_akita()) |
930 | size--; |
931 | |
932 | pxa_set_i2c_info(NULL); |
933 | pxa27x_set_i2c_power_info(NULL); |
934 | i2c_register_board_info(busnum: 0, info: spitz_i2c_devs, n: size); |
935 | i2c_register_board_info(busnum: 1, ARRAY_AND_SIZE(spitz_pi2c_devs)); |
936 | } |
937 | #else |
938 | static inline void spitz_i2c_init(void) {} |
939 | #endif |
940 | |
941 | static struct gpiod_lookup_table spitz_audio_gpio_table = { |
942 | .dev_id = "spitz-audio" , |
943 | .table = { |
944 | GPIO_LOOKUP("sharp-scoop.0" , SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, |
945 | "mute-l" , GPIO_ACTIVE_HIGH), |
946 | GPIO_LOOKUP("sharp-scoop.0" , SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, |
947 | "mute-r" , GPIO_ACTIVE_HIGH), |
948 | GPIO_LOOKUP("sharp-scoop.1" , SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, |
949 | "mic" , GPIO_ACTIVE_HIGH), |
950 | { }, |
951 | }, |
952 | }; |
953 | |
954 | static struct gpiod_lookup_table akita_audio_gpio_table = { |
955 | .dev_id = "spitz-audio" , |
956 | .table = { |
957 | GPIO_LOOKUP("sharp-scoop.0" , SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, |
958 | "mute-l" , GPIO_ACTIVE_HIGH), |
959 | GPIO_LOOKUP("sharp-scoop.0" , SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, |
960 | "mute-r" , GPIO_ACTIVE_HIGH), |
961 | GPIO_LOOKUP("i2c-max7310" , AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, |
962 | "mic" , GPIO_ACTIVE_HIGH), |
963 | { }, |
964 | }, |
965 | }; |
966 | |
967 | /****************************************************************************** |
968 | * Audio devices |
969 | ******************************************************************************/ |
970 | static inline void spitz_audio_init(void) |
971 | { |
972 | if (machine_is_akita()) |
973 | gpiod_add_lookup_table(table: &akita_audio_gpio_table); |
974 | else |
975 | gpiod_add_lookup_table(table: &spitz_audio_gpio_table); |
976 | |
977 | platform_device_register_simple(name: "spitz-audio" , id: -1, NULL, num: 0); |
978 | } |
979 | |
980 | /****************************************************************************** |
981 | * Machine init |
982 | ******************************************************************************/ |
983 | static void spitz_poweroff(void) |
984 | { |
985 | pxa_restart(REBOOT_GPIO, NULL); |
986 | } |
987 | |
988 | static void spitz_restart(enum reboot_mode mode, const char *cmd) |
989 | { |
990 | uint32_t msc0 = __raw_readl(MSC0); |
991 | /* Bootloader magic for a reboot */ |
992 | if ((msc0 & 0xffff0000) == 0x7ff00000) |
993 | __raw_writel(val: (msc0 & 0xffff) | 0x7ee00000, MSC0); |
994 | |
995 | spitz_poweroff(); |
996 | } |
997 | |
998 | static void __init spitz_init(void) |
999 | { |
1000 | init_gpio_reset(SPITZ_GPIO_ON_RESET, output: 1, level: 0); |
1001 | pm_power_off = spitz_poweroff; |
1002 | |
1003 | PMCR = 0x00; |
1004 | |
1005 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ |
1006 | PCFR |= PCFR_OPDE; |
1007 | |
1008 | pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); |
1009 | |
1010 | pxa_set_ffuart_info(NULL); |
1011 | pxa_set_btuart_info(NULL); |
1012 | pxa_set_stuart_info(NULL); |
1013 | |
1014 | spitz_spi_init(); |
1015 | spitz_scoop_init(); |
1016 | spitz_mkp_init(); |
1017 | spitz_keys_init(); |
1018 | spitz_leds_init(); |
1019 | spitz_mmc_init(); |
1020 | spitz_pcmcia_init(); |
1021 | spitz_uhc_init(); |
1022 | spitz_lcd_init(); |
1023 | spitz_nor_init(); |
1024 | spitz_nand_init(); |
1025 | spitz_i2c_init(); |
1026 | spitz_audio_init(); |
1027 | |
1028 | regulator_has_full_constraints(); |
1029 | } |
1030 | |
1031 | static void __init spitz_fixup(struct tag *tags, char **cmdline) |
1032 | { |
1033 | sharpsl_save_param(); |
1034 | memblock_add(base: 0xa0000000, SZ_64M); |
1035 | } |
1036 | |
1037 | #ifdef CONFIG_MACH_SPITZ |
1038 | MACHINE_START(SPITZ, "SHARP Spitz" ) |
1039 | .fixup = spitz_fixup, |
1040 | .map_io = pxa27x_map_io, |
1041 | .nr_irqs = PXA_NR_IRQS, |
1042 | .init_irq = pxa27x_init_irq, |
1043 | .init_machine = spitz_init, |
1044 | .init_time = pxa_timer_init, |
1045 | .restart = spitz_restart, |
1046 | MACHINE_END |
1047 | #endif |
1048 | |
1049 | #ifdef CONFIG_MACH_BORZOI |
1050 | MACHINE_START(BORZOI, "SHARP Borzoi" ) |
1051 | .fixup = spitz_fixup, |
1052 | .map_io = pxa27x_map_io, |
1053 | .nr_irqs = PXA_NR_IRQS, |
1054 | .init_irq = pxa27x_init_irq, |
1055 | .init_machine = spitz_init, |
1056 | .init_time = pxa_timer_init, |
1057 | .restart = spitz_restart, |
1058 | MACHINE_END |
1059 | #endif |
1060 | |
1061 | #ifdef CONFIG_MACH_AKITA |
1062 | MACHINE_START(AKITA, "SHARP Akita" ) |
1063 | .fixup = spitz_fixup, |
1064 | .map_io = pxa27x_map_io, |
1065 | .nr_irqs = PXA_NR_IRQS, |
1066 | .init_irq = pxa27x_init_irq, |
1067 | .init_machine = spitz_init, |
1068 | .init_time = pxa_timer_init, |
1069 | .restart = spitz_restart, |
1070 | MACHINE_END |
1071 | #endif |
1072 | |