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
spitz_scoop_init(void)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 */
spitz_card_pwr_ctrl(uint8_t enable,uint8_t new_cpr)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
spitz_scoop_init(void)230 static inline void spitz_scoop_init(void) {}
spitz_card_pwr_ctrl(uint8_t enable,uint8_t new_cpr)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)
spitz_pcmcia_pwr(struct device * scoop,uint16_t cpr,int nr)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
spitz_pcmcia_init(void)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
spitz_pcmcia_init(void)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 SPITZ_KEY_MENU 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
spitz_mkp_init(void)395 static void __init spitz_mkp_init(void)
396 {
397 platform_device_register(&spitz_mkp_device);
398 }
399 #else
spitz_mkp_init(void)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
spitz_keys_init(void)443 static void __init spitz_keys_init(void)
444 {
445 platform_device_register(&spitz_gpio_keys_device);
446 }
447 #else
spitz_keys_init(void)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
spitz_leds_init(void)481 static void __init spitz_leds_init(void)
482 {
483 platform_device_register(&spitz_led_device);
484 }
485 #else
spitz_leds_init(void)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)
spitz_ads7846_wait_for_hsync(void)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("sharp-scoop.1", 6, "BL_CONT", GPIO_ACTIVE_LOW),
524 GPIO_LOOKUP("sharp-scoop.1", 7, "BL_ON", GPIO_ACTIVE_HIGH),
525 { },
526 },
527 };
528
529 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
530 .dev_id = "spi2.1",
531 .table = {
532 GPIO_LOOKUP("i2c-max7310", 3, "BL_ON", GPIO_ACTIVE_HIGH),
533 GPIO_LOOKUP("i2c-max7310", 4, "BL_CONT", GPIO_ACTIVE_LOW),
534 { },
535 },
536 };
537
538 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
539 .init_mode = CORGI_LCD_MODE_VGA,
540 .max_intensity = 0x2f,
541 .default_intensity = 0x1f,
542 .limit_mask = 0x0b,
543 .kick_battery = sharpsl_battery_kick,
544 };
545
546 static struct spi_board_info spitz_spi_devices[] = {
547 {
548 .modalias = "ads7846",
549 .max_speed_hz = 1200000,
550 .bus_num = 2,
551 .chip_select = 0,
552 .platform_data = &spitz_ads7846_info,
553 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
554 }, {
555 .modalias = "corgi-lcd",
556 .max_speed_hz = 50000,
557 .bus_num = 2,
558 .chip_select = 1,
559 .platform_data = &spitz_lcdcon_info,
560 }, {
561 .modalias = "max1111",
562 .max_speed_hz = 450000,
563 .bus_num = 2,
564 .chip_select = 2,
565 },
566 };
567
568 static struct pxa2xx_spi_controller spitz_spi_info = {
569 .num_chipselect = 3,
570 };
571
572 static struct gpiod_lookup_table spitz_spi_gpio_table = {
573 .dev_id = "spi2",
574 .table = {
575 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
576 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
577 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
578 { },
579 },
580 };
581
spitz_spi_init(void)582 static void __init spitz_spi_init(void)
583 {
584 if (machine_is_akita())
585 gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
586 else
587 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
588
589 gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
590 gpiod_add_lookup_table(&spitz_spi_gpio_table);
591 pxa2xx_set_spi_info(2, &spitz_spi_info);
592 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
593 }
594 #else
spitz_spi_init(void)595 static inline void spitz_spi_init(void) {}
596 #endif
597
598 /******************************************************************************
599 * SD/MMC card controller
600 ******************************************************************************/
601 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
602 /*
603 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
604 * give the card a chance to fully insert/eject.
605 */
spitz_mci_setpower(struct device * dev,unsigned int vdd)606 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
607 {
608 struct pxamci_platform_data* p_d = dev->platform_data;
609
610 if ((1 << vdd) & p_d->ocr_mask)
611 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
612 else
613 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
614
615 return 0;
616 }
617
618 static struct pxamci_platform_data spitz_mci_platform_data = {
619 .detect_delay_ms = 250,
620 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
621 .setpower = spitz_mci_setpower,
622 };
623
624 static struct gpiod_lookup_table spitz_mci_gpio_table = {
625 .dev_id = "pxa2xx-mci.0",
626 .table = {
627 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
628 "cd", GPIO_ACTIVE_LOW),
629 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
630 "wp", GPIO_ACTIVE_LOW),
631 { },
632 },
633 };
634
spitz_mmc_init(void)635 static void __init spitz_mmc_init(void)
636 {
637 gpiod_add_lookup_table(&spitz_mci_gpio_table);
638 pxa_set_mci_info(&spitz_mci_platform_data);
639 }
640 #else
spitz_mmc_init(void)641 static inline void spitz_mmc_init(void) {}
642 #endif
643
644 /******************************************************************************
645 * USB Host
646 ******************************************************************************/
647 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
spitz_ohci_init(struct device * dev)648 static int spitz_ohci_init(struct device *dev)
649 {
650 int err;
651
652 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
653 if (err)
654 return err;
655
656 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
657 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
658
659 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
660 }
661
spitz_ohci_exit(struct device * dev)662 static void spitz_ohci_exit(struct device *dev)
663 {
664 gpio_free(SPITZ_GPIO_USB_HOST);
665 }
666
667 static struct pxaohci_platform_data spitz_ohci_platform_data = {
668 .port_mode = PMM_NPS_MODE,
669 .init = spitz_ohci_init,
670 .exit = spitz_ohci_exit,
671 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
672 .power_budget = 150,
673 };
674
spitz_uhc_init(void)675 static void __init spitz_uhc_init(void)
676 {
677 pxa_set_ohci_info(&spitz_ohci_platform_data);
678 }
679 #else
spitz_uhc_init(void)680 static inline void spitz_uhc_init(void) {}
681 #endif
682
683 /******************************************************************************
684 * Framebuffer
685 ******************************************************************************/
686 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
687 static struct pxafb_mode_info spitz_pxafb_modes[] = {
688 {
689 .pixclock = 19231,
690 .xres = 480,
691 .yres = 640,
692 .bpp = 16,
693 .hsync_len = 40,
694 .left_margin = 46,
695 .right_margin = 125,
696 .vsync_len = 3,
697 .upper_margin = 1,
698 .lower_margin = 0,
699 .sync = 0,
700 }, {
701 .pixclock = 134617,
702 .xres = 240,
703 .yres = 320,
704 .bpp = 16,
705 .hsync_len = 20,
706 .left_margin = 20,
707 .right_margin = 46,
708 .vsync_len = 2,
709 .upper_margin = 1,
710 .lower_margin = 0,
711 .sync = 0,
712 },
713 };
714
715 static struct pxafb_mach_info spitz_pxafb_info = {
716 .modes = spitz_pxafb_modes,
717 .num_modes = ARRAY_SIZE(spitz_pxafb_modes),
718 .fixed_modes = 1,
719 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
720 };
721
spitz_lcd_init(void)722 static void __init spitz_lcd_init(void)
723 {
724 pxa_set_fb_info(NULL, &spitz_pxafb_info);
725 }
726 #else
spitz_lcd_init(void)727 static inline void spitz_lcd_init(void) {}
728 #endif
729
730 /******************************************************************************
731 * NAND Flash
732 ******************************************************************************/
733 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
734 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
735
736 static struct nand_bbt_descr spitz_nand_bbt = {
737 .options = 0,
738 .offs = 4,
739 .len = 2,
740 .pattern = scan_ff_pattern
741 };
742
akita_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)743 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
744 struct mtd_oob_region *oobregion)
745 {
746 if (section > 12)
747 return -ERANGE;
748
749 switch (section % 3) {
750 case 0:
751 oobregion->offset = 5;
752 oobregion->length = 1;
753 break;
754
755 case 1:
756 oobregion->offset = 1;
757 oobregion->length = 3;
758 break;
759
760 case 2:
761 oobregion->offset = 6;
762 oobregion->length = 2;
763 break;
764 }
765
766 oobregion->offset += (section / 3) * 0x10;
767
768 return 0;
769 }
770
akita_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)771 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
772 struct mtd_oob_region *oobregion)
773 {
774 if (section)
775 return -ERANGE;
776
777 oobregion->offset = 8;
778 oobregion->length = 9;
779
780 return 0;
781 }
782
783 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
784 .ecc = akita_ooblayout_ecc,
785 .free = akita_ooblayout_free,
786 };
787
788 static const char * const probes[] = {
789 "cmdlinepart",
790 "ofpart",
791 "sharpslpart",
792 NULL,
793 };
794
795 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
796 .badblock_pattern = &spitz_nand_bbt,
797 .part_parsers = probes,
798 };
799
800 static struct resource spitz_nand_resources[] = {
801 {
802 .start = PXA_CS3_PHYS,
803 .end = PXA_CS3_PHYS + SZ_4K - 1,
804 .flags = IORESOURCE_MEM,
805 },
806 };
807
808 static struct platform_device spitz_nand_device = {
809 .name = "sharpsl-nand",
810 .id = -1,
811 .resource = spitz_nand_resources,
812 .num_resources = ARRAY_SIZE(spitz_nand_resources),
813 .dev = {
814 .platform_data = &spitz_nand_pdata,
815 }
816 };
817
spitz_nand_init(void)818 static void __init spitz_nand_init(void)
819 {
820 if (machine_is_akita() || machine_is_borzoi()) {
821 spitz_nand_bbt.len = 1;
822 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
823 }
824
825 platform_device_register(&spitz_nand_device);
826 }
827 #else
spitz_nand_init(void)828 static inline void spitz_nand_init(void) {}
829 #endif
830
831 /******************************************************************************
832 * NOR Flash
833 ******************************************************************************/
834 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
835 static struct mtd_partition spitz_rom_parts[] = {
836 {
837 .name ="Boot PROM Filesystem",
838 .offset = 0x00140000,
839 .size = MTDPART_SIZ_FULL,
840 },
841 };
842
843 static struct physmap_flash_data spitz_rom_data = {
844 .width = 2,
845 .nr_parts = ARRAY_SIZE(spitz_rom_parts),
846 .parts = spitz_rom_parts,
847 };
848
849 static struct resource spitz_rom_resources[] = {
850 {
851 .start = PXA_CS0_PHYS,
852 .end = PXA_CS0_PHYS + SZ_8M - 1,
853 .flags = IORESOURCE_MEM,
854 },
855 };
856
857 static struct platform_device spitz_rom_device = {
858 .name = "physmap-flash",
859 .id = -1,
860 .resource = spitz_rom_resources,
861 .num_resources = ARRAY_SIZE(spitz_rom_resources),
862 .dev = {
863 .platform_data = &spitz_rom_data,
864 },
865 };
866
spitz_nor_init(void)867 static void __init spitz_nor_init(void)
868 {
869 platform_device_register(&spitz_rom_device);
870 }
871 #else
spitz_nor_init(void)872 static inline void spitz_nor_init(void) {}
873 #endif
874
875 /******************************************************************************
876 * I2C devices
877 ******************************************************************************/
878 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
879 static struct pca953x_platform_data akita_pca953x_pdata = {
880 .gpio_base = AKITA_IOEXP_GPIO_BASE,
881 };
882
883 static struct i2c_board_info spitz_i2c_devs[] = {
884 {
885 .type = "wm8750",
886 .addr = 0x1b,
887 }, {
888 .type = "max7310",
889 .addr = 0x18,
890 .platform_data = &akita_pca953x_pdata,
891 },
892 };
893
894 static struct regulator_consumer_supply isl6271a_consumers[] = {
895 REGULATOR_SUPPLY("vcc_core", NULL),
896 };
897
898 static struct regulator_init_data isl6271a_info[] = {
899 {
900 .constraints = {
901 .name = "vcc_core range",
902 .min_uV = 850000,
903 .max_uV = 1600000,
904 .always_on = 1,
905 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
906 },
907 .consumer_supplies = isl6271a_consumers,
908 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers),
909 }
910 };
911
912 static struct i2c_board_info spitz_pi2c_devs[] = {
913 {
914 .type = "isl6271a",
915 .addr = 0x0c,
916 .platform_data = &isl6271a_info,
917 },
918 };
919
spitz_i2c_init(void)920 static void __init spitz_i2c_init(void)
921 {
922 int size = ARRAY_SIZE(spitz_i2c_devs);
923
924 /* Only Akita has the max7310 chip */
925 if (!machine_is_akita())
926 size--;
927
928 pxa_set_i2c_info(NULL);
929 pxa27x_set_i2c_power_info(NULL);
930 i2c_register_board_info(0, spitz_i2c_devs, size);
931 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
932 }
933 #else
spitz_i2c_init(void)934 static inline void spitz_i2c_init(void) {}
935 #endif
936
937 static struct gpiod_lookup_table spitz_audio_gpio_table = {
938 .dev_id = "spitz-audio",
939 .table = {
940 GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH),
941 GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH),
942 GPIO_LOOKUP("sharp-scoop.1", 8, "mic", GPIO_ACTIVE_HIGH),
943 { },
944 },
945 };
946
947 static struct gpiod_lookup_table akita_audio_gpio_table = {
948 .dev_id = "spitz-audio",
949 .table = {
950 GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH),
951 GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH),
952 GPIO_LOOKUP("i2c-max7310", 2, "mic", GPIO_ACTIVE_HIGH),
953 { },
954 },
955 };
956
957 /******************************************************************************
958 * Audio devices
959 ******************************************************************************/
spitz_audio_init(void)960 static inline void spitz_audio_init(void)
961 {
962 if (machine_is_akita())
963 gpiod_add_lookup_table(&akita_audio_gpio_table);
964 else
965 gpiod_add_lookup_table(&spitz_audio_gpio_table);
966
967 platform_device_register_simple("spitz-audio", -1, NULL, 0);
968 }
969
970 /******************************************************************************
971 * Machine init
972 ******************************************************************************/
spitz_poweroff(void)973 static void spitz_poweroff(void)
974 {
975 pxa_restart(REBOOT_GPIO, NULL);
976 }
977
spitz_restart(enum reboot_mode mode,const char * cmd)978 static void spitz_restart(enum reboot_mode mode, const char *cmd)
979 {
980 uint32_t msc0 = __raw_readl(MSC0);
981 /* Bootloader magic for a reboot */
982 if ((msc0 & 0xffff0000) == 0x7ff00000)
983 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
984
985 spitz_poweroff();
986 }
987
spitz_init(void)988 static void __init spitz_init(void)
989 {
990 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
991 pm_power_off = spitz_poweroff;
992
993 PMCR = 0x00;
994
995 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
996 PCFR |= PCFR_OPDE;
997
998 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
999
1000 pxa_set_ffuart_info(NULL);
1001 pxa_set_btuart_info(NULL);
1002 pxa_set_stuart_info(NULL);
1003
1004 spitz_spi_init();
1005 spitz_scoop_init();
1006 spitz_mkp_init();
1007 spitz_keys_init();
1008 spitz_leds_init();
1009 spitz_mmc_init();
1010 spitz_pcmcia_init();
1011 spitz_uhc_init();
1012 spitz_lcd_init();
1013 spitz_nor_init();
1014 spitz_nand_init();
1015 spitz_i2c_init();
1016 spitz_audio_init();
1017
1018 regulator_has_full_constraints();
1019 }
1020
spitz_fixup(struct tag * tags,char ** cmdline)1021 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1022 {
1023 sharpsl_save_param();
1024 memblock_add(0xa0000000, SZ_64M);
1025 }
1026
1027 #ifdef CONFIG_MACH_SPITZ
1028 MACHINE_START(SPITZ, "SHARP Spitz")
1029 .fixup = spitz_fixup,
1030 .map_io = pxa27x_map_io,
1031 .nr_irqs = PXA_NR_IRQS,
1032 .init_irq = pxa27x_init_irq,
1033 .init_machine = spitz_init,
1034 .init_time = pxa_timer_init,
1035 .restart = spitz_restart,
1036 MACHINE_END
1037 #endif
1038
1039 #ifdef CONFIG_MACH_BORZOI
1040 MACHINE_START(BORZOI, "SHARP Borzoi")
1041 .fixup = spitz_fixup,
1042 .map_io = pxa27x_map_io,
1043 .nr_irqs = PXA_NR_IRQS,
1044 .init_irq = pxa27x_init_irq,
1045 .init_machine = spitz_init,
1046 .init_time = pxa_timer_init,
1047 .restart = spitz_restart,
1048 MACHINE_END
1049 #endif
1050
1051 #ifdef CONFIG_MACH_AKITA
1052 MACHINE_START(AKITA, "SHARP Akita")
1053 .fixup = spitz_fixup,
1054 .map_io = pxa27x_map_io,
1055 .nr_irqs = PXA_NR_IRQS,
1056 .init_irq = pxa27x_init_irq,
1057 .init_machine = spitz_init,
1058 .init_time = pxa_timer_init,
1059 .restart = spitz_restart,
1060 MACHINE_END
1061 #endif
1062