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/module.h> /* symbol_get ; symbol_put */
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/gpio_keys.h>
16 #include <linux/gpio.h>
17 #include <linux/gpio/machine.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/spi/spi.h>
23 #include <linux/spi/ads7846.h>
24 #include <linux/spi/corgi_lcd.h>
25 #include <linux/spi/pxa2xx_spi.h>
26 #include <linux/mtd/sharpsl.h>
27 #include <linux/mtd/physmap.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 <mach/reset.h>
43 #include <linux/platform_data/irda-pxaficp.h>
44 #include <linux/platform_data/mmc-pxamci.h>
45 #include <linux/platform_data/usb-ohci-pxa27x.h>
46 #include <linux/platform_data/video-pxafb.h>
47 #include <mach/spitz.h>
48 #include "sharpsl_pm.h"
49 #include <mach/smemc.h>
50
51 #include "generic.h"
52 #include "devices.h"
53
54 /******************************************************************************
55 * Pin configuration
56 ******************************************************************************/
57 static unsigned long spitz_pin_config[] __initdata = {
58 /* Chip Selects */
59 GPIO78_nCS_2, /* SCOOP #2 */
60 GPIO79_nCS_3, /* NAND */
61 GPIO80_nCS_4, /* SCOOP #1 */
62
63 /* LCD - 16bpp Active TFT */
64 GPIOxx_LCD_TFT_16BPP,
65
66 /* PC Card */
67 GPIO48_nPOE,
68 GPIO49_nPWE,
69 GPIO50_nPIOR,
70 GPIO51_nPIOW,
71 GPIO85_nPCE_1,
72 GPIO54_nPCE_2,
73 GPIO55_nPREG,
74 GPIO56_nPWAIT,
75 GPIO57_nIOIS16,
76 GPIO104_PSKTSEL,
77
78 /* I2S */
79 GPIO28_I2S_BITCLK_OUT,
80 GPIO29_I2S_SDATA_IN,
81 GPIO30_I2S_SDATA_OUT,
82 GPIO31_I2S_SYNC,
83
84 /* MMC */
85 GPIO32_MMC_CLK,
86 GPIO112_MMC_CMD,
87 GPIO92_MMC_DAT_0,
88 GPIO109_MMC_DAT_1,
89 GPIO110_MMC_DAT_2,
90 GPIO111_MMC_DAT_3,
91
92 /* GPIOs */
93 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
94 GPIO16_GPIO, /* SPITZ_GPIO_SYNC */
95 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
96 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
97 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
98 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
99 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
100 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
101 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
102 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
103
104 /* GPIO matrix keypad */
105 GPIO88_GPIO, /* column 0 */
106 GPIO23_GPIO, /* column 1 */
107 GPIO24_GPIO, /* column 2 */
108 GPIO25_GPIO, /* column 3 */
109 GPIO26_GPIO, /* column 4 */
110 GPIO27_GPIO, /* column 5 */
111 GPIO52_GPIO, /* column 6 */
112 GPIO103_GPIO, /* column 7 */
113 GPIO107_GPIO, /* column 8 */
114 GPIO108_GPIO, /* column 9 */
115 GPIO114_GPIO, /* column 10 */
116 GPIO12_GPIO, /* row 0 */
117 GPIO17_GPIO, /* row 1 */
118 GPIO91_GPIO, /* row 2 */
119 GPIO34_GPIO, /* row 3 */
120 GPIO36_GPIO, /* row 4 */
121 GPIO38_GPIO, /* row 5 */
122 GPIO39_GPIO, /* row 6 */
123
124 /* I2C */
125 GPIO117_I2C_SCL,
126 GPIO118_I2C_SDA,
127
128 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */
129 GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */
130 };
131
132
133 /******************************************************************************
134 * Scoop GPIO expander
135 ******************************************************************************/
136 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
137 /* SCOOP Device #1 */
138 static struct resource spitz_scoop_1_resources[] = {
139 [0] = {
140 .start = 0x10800000,
141 .end = 0x10800fff,
142 .flags = IORESOURCE_MEM,
143 },
144 };
145
146 static struct scoop_config spitz_scoop_1_setup = {
147 .io_dir = SPITZ_SCP_IO_DIR,
148 .io_out = SPITZ_SCP_IO_OUT,
149 .suspend_clr = SPITZ_SCP_SUS_CLR,
150 .suspend_set = SPITZ_SCP_SUS_SET,
151 .gpio_base = SPITZ_SCP_GPIO_BASE,
152 };
153
154 struct platform_device spitz_scoop_1_device = {
155 .name = "sharp-scoop",
156 .id = 0,
157 .dev = {
158 .platform_data = &spitz_scoop_1_setup,
159 },
160 .num_resources = ARRAY_SIZE(spitz_scoop_1_resources),
161 .resource = spitz_scoop_1_resources,
162 };
163
164 /* SCOOP Device #2 */
165 static struct resource spitz_scoop_2_resources[] = {
166 [0] = {
167 .start = 0x08800040,
168 .end = 0x08800fff,
169 .flags = IORESOURCE_MEM,
170 },
171 };
172
173 static struct scoop_config spitz_scoop_2_setup = {
174 .io_dir = SPITZ_SCP2_IO_DIR,
175 .io_out = SPITZ_SCP2_IO_OUT,
176 .suspend_clr = SPITZ_SCP2_SUS_CLR,
177 .suspend_set = SPITZ_SCP2_SUS_SET,
178 .gpio_base = SPITZ_SCP2_GPIO_BASE,
179 };
180
181 struct platform_device spitz_scoop_2_device = {
182 .name = "sharp-scoop",
183 .id = 1,
184 .dev = {
185 .platform_data = &spitz_scoop_2_setup,
186 },
187 .num_resources = ARRAY_SIZE(spitz_scoop_2_resources),
188 .resource = spitz_scoop_2_resources,
189 };
190
spitz_scoop_init(void)191 static void __init spitz_scoop_init(void)
192 {
193 platform_device_register(&spitz_scoop_1_device);
194
195 /* Akita doesn't have the second SCOOP chip */
196 if (!machine_is_akita())
197 platform_device_register(&spitz_scoop_2_device);
198 }
199
200 /* Power control is shared with between one of the CF slots and SD */
spitz_card_pwr_ctrl(uint8_t enable,uint8_t new_cpr)201 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
202 {
203 unsigned short cpr;
204 unsigned long flags;
205
206 if (new_cpr & 0x7) {
207 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
208 mdelay(5);
209 }
210
211 local_irq_save(flags);
212
213 cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
214
215 if (enable & new_cpr)
216 cpr |= new_cpr;
217 else
218 cpr &= ~enable;
219
220 write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
221
222 local_irq_restore(flags);
223
224 if (!(cpr & 0x7)) {
225 mdelay(1);
226 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
227 }
228 }
229
230 #else
spitz_scoop_init(void)231 static inline void spitz_scoop_init(void) {}
spitz_card_pwr_ctrl(uint8_t enable,uint8_t new_cpr)232 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
233 #endif
234
235 /******************************************************************************
236 * PCMCIA
237 ******************************************************************************/
238 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
spitz_pcmcia_pwr(struct device * scoop,uint16_t cpr,int nr)239 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
240 {
241 /* Only need to override behaviour for slot 0 */
242 if (nr == 0)
243 spitz_card_pwr_ctrl(
244 cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
245 else
246 write_scoop_reg(scoop, SCOOP_CPR, cpr);
247 }
248
249 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
250 {
251 .dev = &spitz_scoop_1_device.dev,
252 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
253 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
254 .cd_irq_str = "PCMCIA0 CD",
255 }, {
256 .dev = &spitz_scoop_2_device.dev,
257 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
258 .cd_irq = -1,
259 },
260 };
261
262 static struct scoop_pcmcia_config spitz_pcmcia_config = {
263 .devs = &spitz_pcmcia_scoop[0],
264 .num_devs = 2,
265 .power_ctrl = spitz_pcmcia_pwr,
266 };
267
spitz_pcmcia_init(void)268 static void __init spitz_pcmcia_init(void)
269 {
270 /* Akita has only one PCMCIA slot used */
271 if (machine_is_akita())
272 spitz_pcmcia_config.num_devs = 1;
273
274 platform_scoop_config = &spitz_pcmcia_config;
275 }
276 #else
spitz_pcmcia_init(void)277 static inline void spitz_pcmcia_init(void) {}
278 #endif
279
280 /******************************************************************************
281 * GPIO keyboard
282 ******************************************************************************/
283 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
284
285 #define SPITZ_KEY_CALENDAR KEY_F1
286 #define SPITZ_KEY_ADDRESS KEY_F2
287 #define SPITZ_KEY_FN KEY_F3
288 #define SPITZ_KEY_CANCEL KEY_F4
289 #define SPITZ_KEY_EXOK KEY_F5
290 #define SPITZ_KEY_EXCANCEL KEY_F6
291 #define SPITZ_KEY_EXJOGDOWN KEY_F7
292 #define SPITZ_KEY_EXJOGUP KEY_F8
293 #define SPITZ_KEY_JAP1 KEY_LEFTALT
294 #define SPITZ_KEY_JAP2 KEY_RIGHTCTRL
295 #define SPITZ_KEY_SYNC KEY_F9
296 #define SPITZ_KEY_MAIL KEY_F10
297 #define SPITZ_KEY_OK KEY_F11
298 #define SPITZ_KEY_MENU KEY_F12
299
300 static const uint32_t spitz_keymap[] = {
301 KEY(0, 0, KEY_LEFTCTRL),
302 KEY(0, 1, KEY_1),
303 KEY(0, 2, KEY_3),
304 KEY(0, 3, KEY_5),
305 KEY(0, 4, KEY_6),
306 KEY(0, 5, KEY_7),
307 KEY(0, 6, KEY_9),
308 KEY(0, 7, KEY_0),
309 KEY(0, 8, KEY_BACKSPACE),
310 KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */
311 KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
312 KEY(1, 1, KEY_2),
313 KEY(1, 2, KEY_4),
314 KEY(1, 3, KEY_R),
315 KEY(1, 4, KEY_Y),
316 KEY(1, 5, KEY_8),
317 KEY(1, 6, KEY_I),
318 KEY(1, 7, KEY_O),
319 KEY(1, 8, KEY_P),
320 KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
321 KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */
322 KEY(2, 0, KEY_TAB),
323 KEY(2, 1, KEY_Q),
324 KEY(2, 2, KEY_E),
325 KEY(2, 3, KEY_T),
326 KEY(2, 4, KEY_G),
327 KEY(2, 5, KEY_U),
328 KEY(2, 6, KEY_J),
329 KEY(2, 7, KEY_K),
330 KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */
331 KEY(3, 1, KEY_W),
332 KEY(3, 2, KEY_S),
333 KEY(3, 3, KEY_F),
334 KEY(3, 4, KEY_V),
335 KEY(3, 5, KEY_H),
336 KEY(3, 6, KEY_M),
337 KEY(3, 7, KEY_L),
338 KEY(3, 9, KEY_RIGHTSHIFT),
339 KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */
340 KEY(4, 1, KEY_A),
341 KEY(4, 2, KEY_D),
342 KEY(4, 3, KEY_C),
343 KEY(4, 4, KEY_B),
344 KEY(4, 5, KEY_N),
345 KEY(4, 6, KEY_DOT),
346 KEY(4, 8, KEY_ENTER),
347 KEY(4, 9, KEY_LEFTSHIFT),
348 KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */
349 KEY(5, 1, KEY_Z),
350 KEY(5, 2, KEY_X),
351 KEY(5, 3, KEY_MINUS),
352 KEY(5, 4, KEY_SPACE),
353 KEY(5, 5, KEY_COMMA),
354 KEY(5, 7, KEY_UP),
355 KEY(5, 10, SPITZ_KEY_FN), /* FN */
356 KEY(6, 0, KEY_SYSRQ),
357 KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */
358 KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */
359 KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */
360 KEY(6, 4, SPITZ_KEY_OK), /* OK */
361 KEY(6, 5, SPITZ_KEY_MENU), /* MENU */
362 KEY(6, 6, KEY_LEFT),
363 KEY(6, 7, KEY_DOWN),
364 KEY(6, 8, KEY_RIGHT),
365 };
366
367 static const struct matrix_keymap_data spitz_keymap_data = {
368 .keymap = spitz_keymap,
369 .keymap_size = ARRAY_SIZE(spitz_keymap),
370 };
371
372 static const uint32_t spitz_row_gpios[] =
373 { 12, 17, 91, 34, 36, 38, 39 };
374 static const uint32_t spitz_col_gpios[] =
375 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
376
377 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
378 .keymap_data = &spitz_keymap_data,
379 .row_gpios = spitz_row_gpios,
380 .col_gpios = spitz_col_gpios,
381 .num_row_gpios = ARRAY_SIZE(spitz_row_gpios),
382 .num_col_gpios = ARRAY_SIZE(spitz_col_gpios),
383 .col_scan_delay_us = 10,
384 .debounce_ms = 10,
385 .wakeup = 1,
386 };
387
388 static struct platform_device spitz_mkp_device = {
389 .name = "matrix-keypad",
390 .id = -1,
391 .dev = {
392 .platform_data = &spitz_mkp_pdata,
393 },
394 };
395
spitz_mkp_init(void)396 static void __init spitz_mkp_init(void)
397 {
398 platform_device_register(&spitz_mkp_device);
399 }
400 #else
spitz_mkp_init(void)401 static inline void spitz_mkp_init(void) {}
402 #endif
403
404 /******************************************************************************
405 * GPIO keys
406 ******************************************************************************/
407 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
408 static struct gpio_keys_button spitz_gpio_keys[] = {
409 {
410 .type = EV_PWR,
411 .code = KEY_SUSPEND,
412 .gpio = SPITZ_GPIO_ON_KEY,
413 .desc = "On Off",
414 .wakeup = 1,
415 },
416 /* Two buttons detecting the lid state */
417 {
418 .type = EV_SW,
419 .code = 0,
420 .gpio = SPITZ_GPIO_SWA,
421 .desc = "Display Down",
422 },
423 {
424 .type = EV_SW,
425 .code = 1,
426 .gpio = SPITZ_GPIO_SWB,
427 .desc = "Lid Closed",
428 },
429 };
430
431 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
432 .buttons = spitz_gpio_keys,
433 .nbuttons = ARRAY_SIZE(spitz_gpio_keys),
434 };
435
436 static struct platform_device spitz_gpio_keys_device = {
437 .name = "gpio-keys",
438 .id = -1,
439 .dev = {
440 .platform_data = &spitz_gpio_keys_platform_data,
441 },
442 };
443
spitz_keys_init(void)444 static void __init spitz_keys_init(void)
445 {
446 platform_device_register(&spitz_gpio_keys_device);
447 }
448 #else
spitz_keys_init(void)449 static inline void spitz_keys_init(void) {}
450 #endif
451
452 /******************************************************************************
453 * LEDs
454 ******************************************************************************/
455 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
456 static struct gpio_led spitz_gpio_leds[] = {
457 {
458 .name = "spitz:amber:charge",
459 .default_trigger = "sharpsl-charge",
460 .gpio = SPITZ_GPIO_LED_ORANGE,
461 },
462 {
463 .name = "spitz:green:hddactivity",
464 .default_trigger = "disk-activity",
465 .gpio = SPITZ_GPIO_LED_GREEN,
466 },
467 };
468
469 static struct gpio_led_platform_data spitz_gpio_leds_info = {
470 .leds = spitz_gpio_leds,
471 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
472 };
473
474 static struct platform_device spitz_led_device = {
475 .name = "leds-gpio",
476 .id = -1,
477 .dev = {
478 .platform_data = &spitz_gpio_leds_info,
479 },
480 };
481
spitz_leds_init(void)482 static void __init spitz_leds_init(void)
483 {
484 platform_device_register(&spitz_led_device);
485 }
486 #else
spitz_leds_init(void)487 static inline void spitz_leds_init(void) {}
488 #endif
489
490 /******************************************************************************
491 * SSP Devices
492 ******************************************************************************/
493 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
spitz_ads7846_wait_for_hsync(void)494 static void spitz_ads7846_wait_for_hsync(void)
495 {
496 while (gpio_get_value(SPITZ_GPIO_HSYNC))
497 cpu_relax();
498
499 while (!gpio_get_value(SPITZ_GPIO_HSYNC))
500 cpu_relax();
501 }
502
503 static struct ads7846_platform_data spitz_ads7846_info = {
504 .model = 7846,
505 .vref_delay_usecs = 100,
506 .x_plate_ohms = 419,
507 .y_plate_ohms = 486,
508 .pressure_max = 1024,
509 .gpio_pendown = SPITZ_GPIO_TP_INT,
510 .wait_for_sync = spitz_ads7846_wait_for_hsync,
511 };
512
513 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
514 .gpio_cs = SPITZ_GPIO_ADS7846_CS,
515 };
516
spitz_bl_kick_battery(void)517 static void spitz_bl_kick_battery(void)
518 {
519 void (*kick_batt)(void);
520
521 kick_batt = symbol_get(sharpsl_battery_kick);
522 if (kick_batt) {
523 kick_batt();
524 symbol_put(sharpsl_battery_kick);
525 }
526 }
527
528 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
529 .dev_id = "spi2.1",
530 .table = {
531 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
532 "BL_CONT", GPIO_ACTIVE_LOW),
533 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
534 "BL_ON", GPIO_ACTIVE_HIGH),
535 { },
536 },
537 };
538
539 static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
540 .dev_id = "spi2.1",
541 .table = {
542 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
543 "BL_CONT", GPIO_ACTIVE_LOW),
544 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
545 "BL_ON", GPIO_ACTIVE_HIGH),
546 { },
547 },
548 };
549
550 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
551 .init_mode = CORGI_LCD_MODE_VGA,
552 .max_intensity = 0x2f,
553 .default_intensity = 0x1f,
554 .limit_mask = 0x0b,
555 .kick_battery = spitz_bl_kick_battery,
556 };
557
558 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
559 .gpio_cs = SPITZ_GPIO_LCDCON_CS,
560 };
561
562 static struct pxa2xx_spi_chip spitz_max1111_chip = {
563 .gpio_cs = SPITZ_GPIO_MAX1111_CS,
564 };
565
566 static struct spi_board_info spitz_spi_devices[] = {
567 {
568 .modalias = "ads7846",
569 .max_speed_hz = 1200000,
570 .bus_num = 2,
571 .chip_select = 0,
572 .platform_data = &spitz_ads7846_info,
573 .controller_data = &spitz_ads7846_chip,
574 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
575 }, {
576 .modalias = "corgi-lcd",
577 .max_speed_hz = 50000,
578 .bus_num = 2,
579 .chip_select = 1,
580 .platform_data = &spitz_lcdcon_info,
581 .controller_data = &spitz_lcdcon_chip,
582 }, {
583 .modalias = "max1111",
584 .max_speed_hz = 450000,
585 .bus_num = 2,
586 .chip_select = 2,
587 .controller_data = &spitz_max1111_chip,
588 },
589 };
590
591 static struct pxa2xx_spi_controller spitz_spi_info = {
592 .num_chipselect = 3,
593 };
594
spitz_spi_init(void)595 static void __init spitz_spi_init(void)
596 {
597 if (machine_is_akita())
598 gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
599 else
600 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
601
602 pxa2xx_set_spi_info(2, &spitz_spi_info);
603 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
604 }
605 #else
spitz_spi_init(void)606 static inline void spitz_spi_init(void) {}
607 #endif
608
609 /******************************************************************************
610 * SD/MMC card controller
611 ******************************************************************************/
612 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
613 /*
614 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
615 * give the card a chance to fully insert/eject.
616 */
spitz_mci_setpower(struct device * dev,unsigned int vdd)617 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
618 {
619 struct pxamci_platform_data* p_d = dev->platform_data;
620
621 if ((1 << vdd) & p_d->ocr_mask)
622 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
623 else
624 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
625
626 return 0;
627 }
628
629 static struct pxamci_platform_data spitz_mci_platform_data = {
630 .detect_delay_ms = 250,
631 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
632 .setpower = spitz_mci_setpower,
633 };
634
635 static struct gpiod_lookup_table spitz_mci_gpio_table = {
636 .dev_id = "pxa2xx-mci.0",
637 .table = {
638 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
639 "cd", GPIO_ACTIVE_LOW),
640 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
641 "wp", GPIO_ACTIVE_LOW),
642 { },
643 },
644 };
645
spitz_mmc_init(void)646 static void __init spitz_mmc_init(void)
647 {
648 gpiod_add_lookup_table(&spitz_mci_gpio_table);
649 pxa_set_mci_info(&spitz_mci_platform_data);
650 }
651 #else
spitz_mmc_init(void)652 static inline void spitz_mmc_init(void) {}
653 #endif
654
655 /******************************************************************************
656 * USB Host
657 ******************************************************************************/
658 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
spitz_ohci_init(struct device * dev)659 static int spitz_ohci_init(struct device *dev)
660 {
661 int err;
662
663 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
664 if (err)
665 return err;
666
667 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
668 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
669
670 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
671 }
672
spitz_ohci_exit(struct device * dev)673 static void spitz_ohci_exit(struct device *dev)
674 {
675 gpio_free(SPITZ_GPIO_USB_HOST);
676 }
677
678 static struct pxaohci_platform_data spitz_ohci_platform_data = {
679 .port_mode = PMM_NPS_MODE,
680 .init = spitz_ohci_init,
681 .exit = spitz_ohci_exit,
682 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
683 .power_budget = 150,
684 };
685
spitz_uhc_init(void)686 static void __init spitz_uhc_init(void)
687 {
688 pxa_set_ohci_info(&spitz_ohci_platform_data);
689 }
690 #else
spitz_uhc_init(void)691 static inline void spitz_uhc_init(void) {}
692 #endif
693
694 /******************************************************************************
695 * IrDA
696 ******************************************************************************/
697 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
698 static struct pxaficp_platform_data spitz_ficp_platform_data = {
699 .transceiver_cap = IR_SIRMODE | IR_OFF,
700 };
701
spitz_irda_init(void)702 static void __init spitz_irda_init(void)
703 {
704 if (machine_is_akita())
705 spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
706 else
707 spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
708
709 pxa_set_ficp_info(&spitz_ficp_platform_data);
710 }
711 #else
spitz_irda_init(void)712 static inline void spitz_irda_init(void) {}
713 #endif
714
715 /******************************************************************************
716 * Framebuffer
717 ******************************************************************************/
718 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
719 static struct pxafb_mode_info spitz_pxafb_modes[] = {
720 {
721 .pixclock = 19231,
722 .xres = 480,
723 .yres = 640,
724 .bpp = 16,
725 .hsync_len = 40,
726 .left_margin = 46,
727 .right_margin = 125,
728 .vsync_len = 3,
729 .upper_margin = 1,
730 .lower_margin = 0,
731 .sync = 0,
732 }, {
733 .pixclock = 134617,
734 .xres = 240,
735 .yres = 320,
736 .bpp = 16,
737 .hsync_len = 20,
738 .left_margin = 20,
739 .right_margin = 46,
740 .vsync_len = 2,
741 .upper_margin = 1,
742 .lower_margin = 0,
743 .sync = 0,
744 },
745 };
746
747 static struct pxafb_mach_info spitz_pxafb_info = {
748 .modes = spitz_pxafb_modes,
749 .num_modes = ARRAY_SIZE(spitz_pxafb_modes),
750 .fixed_modes = 1,
751 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
752 };
753
spitz_lcd_init(void)754 static void __init spitz_lcd_init(void)
755 {
756 pxa_set_fb_info(NULL, &spitz_pxafb_info);
757 }
758 #else
spitz_lcd_init(void)759 static inline void spitz_lcd_init(void) {}
760 #endif
761
762 /******************************************************************************
763 * NAND Flash
764 ******************************************************************************/
765 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
766 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
767
768 static struct nand_bbt_descr spitz_nand_bbt = {
769 .options = 0,
770 .offs = 4,
771 .len = 2,
772 .pattern = scan_ff_pattern
773 };
774
akita_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)775 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
776 struct mtd_oob_region *oobregion)
777 {
778 if (section > 12)
779 return -ERANGE;
780
781 switch (section % 3) {
782 case 0:
783 oobregion->offset = 5;
784 oobregion->length = 1;
785 break;
786
787 case 1:
788 oobregion->offset = 1;
789 oobregion->length = 3;
790 break;
791
792 case 2:
793 oobregion->offset = 6;
794 oobregion->length = 2;
795 break;
796 }
797
798 oobregion->offset += (section / 3) * 0x10;
799
800 return 0;
801 }
802
akita_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)803 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
804 struct mtd_oob_region *oobregion)
805 {
806 if (section)
807 return -ERANGE;
808
809 oobregion->offset = 8;
810 oobregion->length = 9;
811
812 return 0;
813 }
814
815 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
816 .ecc = akita_ooblayout_ecc,
817 .free = akita_ooblayout_free,
818 };
819
820 static const char * const probes[] = {
821 "cmdlinepart",
822 "ofpart",
823 "sharpslpart",
824 NULL,
825 };
826
827 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
828 .badblock_pattern = &spitz_nand_bbt,
829 .part_parsers = probes,
830 };
831
832 static struct resource spitz_nand_resources[] = {
833 {
834 .start = PXA_CS3_PHYS,
835 .end = PXA_CS3_PHYS + SZ_4K - 1,
836 .flags = IORESOURCE_MEM,
837 },
838 };
839
840 static struct platform_device spitz_nand_device = {
841 .name = "sharpsl-nand",
842 .id = -1,
843 .resource = spitz_nand_resources,
844 .num_resources = ARRAY_SIZE(spitz_nand_resources),
845 .dev = {
846 .platform_data = &spitz_nand_pdata,
847 }
848 };
849
spitz_nand_init(void)850 static void __init spitz_nand_init(void)
851 {
852 if (machine_is_akita() || machine_is_borzoi()) {
853 spitz_nand_bbt.len = 1;
854 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
855 }
856
857 platform_device_register(&spitz_nand_device);
858 }
859 #else
spitz_nand_init(void)860 static inline void spitz_nand_init(void) {}
861 #endif
862
863 /******************************************************************************
864 * NOR Flash
865 ******************************************************************************/
866 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
867 static struct mtd_partition spitz_rom_parts[] = {
868 {
869 .name ="Boot PROM Filesystem",
870 .offset = 0x00140000,
871 .size = MTDPART_SIZ_FULL,
872 },
873 };
874
875 static struct physmap_flash_data spitz_rom_data = {
876 .width = 2,
877 .nr_parts = ARRAY_SIZE(spitz_rom_parts),
878 .parts = spitz_rom_parts,
879 };
880
881 static struct resource spitz_rom_resources[] = {
882 {
883 .start = PXA_CS0_PHYS,
884 .end = PXA_CS0_PHYS + SZ_8M - 1,
885 .flags = IORESOURCE_MEM,
886 },
887 };
888
889 static struct platform_device spitz_rom_device = {
890 .name = "physmap-flash",
891 .id = -1,
892 .resource = spitz_rom_resources,
893 .num_resources = ARRAY_SIZE(spitz_rom_resources),
894 .dev = {
895 .platform_data = &spitz_rom_data,
896 },
897 };
898
spitz_nor_init(void)899 static void __init spitz_nor_init(void)
900 {
901 platform_device_register(&spitz_rom_device);
902 }
903 #else
spitz_nor_init(void)904 static inline void spitz_nor_init(void) {}
905 #endif
906
907 /******************************************************************************
908 * I2C devices
909 ******************************************************************************/
910 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
911 static struct pca953x_platform_data akita_pca953x_pdata = {
912 .gpio_base = AKITA_IOEXP_GPIO_BASE,
913 };
914
915 static struct i2c_board_info spitz_i2c_devs[] = {
916 {
917 .type = "wm8750",
918 .addr = 0x1b,
919 }, {
920 .type = "max7310",
921 .addr = 0x18,
922 .platform_data = &akita_pca953x_pdata,
923 },
924 };
925
926 static struct regulator_consumer_supply isl6271a_consumers[] = {
927 REGULATOR_SUPPLY("vcc_core", NULL),
928 };
929
930 static struct regulator_init_data isl6271a_info[] = {
931 {
932 .constraints = {
933 .name = "vcc_core range",
934 .min_uV = 850000,
935 .max_uV = 1600000,
936 .always_on = 1,
937 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
938 },
939 .consumer_supplies = isl6271a_consumers,
940 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers),
941 }
942 };
943
944 static struct i2c_board_info spitz_pi2c_devs[] = {
945 {
946 .type = "isl6271a",
947 .addr = 0x0c,
948 .platform_data = &isl6271a_info,
949 },
950 };
951
spitz_i2c_init(void)952 static void __init spitz_i2c_init(void)
953 {
954 int size = ARRAY_SIZE(spitz_i2c_devs);
955
956 /* Only Akita has the max7310 chip */
957 if (!machine_is_akita())
958 size--;
959
960 pxa_set_i2c_info(NULL);
961 pxa27x_set_i2c_power_info(NULL);
962 i2c_register_board_info(0, spitz_i2c_devs, size);
963 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
964 }
965 #else
spitz_i2c_init(void)966 static inline void spitz_i2c_init(void) {}
967 #endif
968
969 /******************************************************************************
970 * Audio devices
971 ******************************************************************************/
spitz_audio_init(void)972 static inline void spitz_audio_init(void)
973 {
974 platform_device_register_simple("spitz-audio", -1, NULL, 0);
975 }
976
977 /******************************************************************************
978 * Machine init
979 ******************************************************************************/
spitz_poweroff(void)980 static void spitz_poweroff(void)
981 {
982 pxa_restart(REBOOT_GPIO, NULL);
983 }
984
spitz_restart(enum reboot_mode mode,const char * cmd)985 static void spitz_restart(enum reboot_mode mode, const char *cmd)
986 {
987 uint32_t msc0 = __raw_readl(MSC0);
988 /* Bootloader magic for a reboot */
989 if ((msc0 & 0xffff0000) == 0x7ff00000)
990 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
991
992 spitz_poweroff();
993 }
994
spitz_init(void)995 static void __init spitz_init(void)
996 {
997 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
998 pm_power_off = spitz_poweroff;
999
1000 PMCR = 0x00;
1001
1002 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1003 PCFR |= PCFR_OPDE;
1004
1005 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1006
1007 pxa_set_ffuart_info(NULL);
1008 pxa_set_btuart_info(NULL);
1009 pxa_set_stuart_info(NULL);
1010
1011 spitz_spi_init();
1012 spitz_scoop_init();
1013 spitz_mkp_init();
1014 spitz_keys_init();
1015 spitz_leds_init();
1016 spitz_mmc_init();
1017 spitz_pcmcia_init();
1018 spitz_irda_init();
1019 spitz_uhc_init();
1020 spitz_lcd_init();
1021 spitz_nor_init();
1022 spitz_nand_init();
1023 spitz_i2c_init();
1024 spitz_audio_init();
1025
1026 regulator_has_full_constraints();
1027 }
1028
spitz_fixup(struct tag * tags,char ** cmdline)1029 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1030 {
1031 sharpsl_save_param();
1032 memblock_add(0xa0000000, SZ_64M);
1033 }
1034
1035 #ifdef CONFIG_MACH_SPITZ
1036 MACHINE_START(SPITZ, "SHARP Spitz")
1037 .fixup = spitz_fixup,
1038 .map_io = pxa27x_map_io,
1039 .nr_irqs = PXA_NR_IRQS,
1040 .init_irq = pxa27x_init_irq,
1041 .handle_irq = pxa27x_handle_irq,
1042 .init_machine = spitz_init,
1043 .init_time = pxa_timer_init,
1044 .restart = spitz_restart,
1045 MACHINE_END
1046 #endif
1047
1048 #ifdef CONFIG_MACH_BORZOI
1049 MACHINE_START(BORZOI, "SHARP Borzoi")
1050 .fixup = spitz_fixup,
1051 .map_io = pxa27x_map_io,
1052 .nr_irqs = PXA_NR_IRQS,
1053 .init_irq = pxa27x_init_irq,
1054 .handle_irq = pxa27x_handle_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 .handle_irq = pxa27x_handle_irq,
1068 .init_machine = spitz_init,
1069 .init_time = pxa_timer_init,
1070 .restart = spitz_restart,
1071 MACHINE_END
1072 #endif
1073