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/property.h>
22 #include <linux/spi/spi.h>
23 #include <linux/spi/ads7846.h>
24 #include <linux/spi/corgi_lcd.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("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 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
582 static const struct property_entry spitz_spi_properties[] = {
583 PROPERTY_ENTRY_U32("num-cs", 3),
584 { }
585 };
586
587 static const struct software_node spitz_spi_node = {
588 .properties = spitz_spi_properties,
589 };
590
spitz_spi_init(void)591 static void __init spitz_spi_init(void)
592 {
593 struct platform_device *pd;
594 int id = 2;
595 int err;
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 gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
603 gpiod_add_lookup_table(&spitz_spi_gpio_table);
604
605 /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
606 pd = platform_device_alloc("pxa2xx-spi", id);
607 if (pd == NULL) {
608 pr_err("pxa2xx-spi: failed to allocate device id %d\n", id);
609 } else {
610 err = device_add_software_node(&pd->dev, &spitz_spi_node);
611 if (err) {
612 platform_device_put(pd);
613 pr_err("pxa2xx-spi: failed to add software node\n");
614 } else {
615 platform_device_add(pd);
616 }
617 }
618
619 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
620 }
621 #else
spitz_spi_init(void)622 static inline void spitz_spi_init(void) {}
623 #endif
624
625 /******************************************************************************
626 * SD/MMC card controller
627 ******************************************************************************/
628 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
629 /*
630 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
631 * give the card a chance to fully insert/eject.
632 */
spitz_mci_setpower(struct device * dev,unsigned int vdd)633 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
634 {
635 struct pxamci_platform_data* p_d = dev->platform_data;
636
637 if ((1 << vdd) & p_d->ocr_mask)
638 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
639 else
640 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
641
642 return 0;
643 }
644
645 static struct pxamci_platform_data spitz_mci_platform_data = {
646 .detect_delay_ms = 250,
647 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
648 .setpower = spitz_mci_setpower,
649 };
650
651 static struct gpiod_lookup_table spitz_mci_gpio_table = {
652 .dev_id = "pxa2xx-mci.0",
653 .table = {
654 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
655 "cd", GPIO_ACTIVE_LOW),
656 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
657 "wp", GPIO_ACTIVE_LOW),
658 { },
659 },
660 };
661
spitz_mmc_init(void)662 static void __init spitz_mmc_init(void)
663 {
664 gpiod_add_lookup_table(&spitz_mci_gpio_table);
665 pxa_set_mci_info(&spitz_mci_platform_data);
666 }
667 #else
spitz_mmc_init(void)668 static inline void spitz_mmc_init(void) {}
669 #endif
670
671 /******************************************************************************
672 * USB Host
673 ******************************************************************************/
674 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
spitz_ohci_init(struct device * dev)675 static int spitz_ohci_init(struct device *dev)
676 {
677 int err;
678
679 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
680 if (err)
681 return err;
682
683 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
684 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
685
686 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
687 }
688
spitz_ohci_exit(struct device * dev)689 static void spitz_ohci_exit(struct device *dev)
690 {
691 gpio_free(SPITZ_GPIO_USB_HOST);
692 }
693
694 static struct pxaohci_platform_data spitz_ohci_platform_data = {
695 .port_mode = PMM_NPS_MODE,
696 .init = spitz_ohci_init,
697 .exit = spitz_ohci_exit,
698 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
699 .power_budget = 150,
700 };
701
spitz_uhc_init(void)702 static void __init spitz_uhc_init(void)
703 {
704 pxa_set_ohci_info(&spitz_ohci_platform_data);
705 }
706 #else
spitz_uhc_init(void)707 static inline void spitz_uhc_init(void) {}
708 #endif
709
710 /******************************************************************************
711 * Framebuffer
712 ******************************************************************************/
713 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
714 static struct pxafb_mode_info spitz_pxafb_modes[] = {
715 {
716 .pixclock = 19231,
717 .xres = 480,
718 .yres = 640,
719 .bpp = 16,
720 .hsync_len = 40,
721 .left_margin = 46,
722 .right_margin = 125,
723 .vsync_len = 3,
724 .upper_margin = 1,
725 .lower_margin = 0,
726 .sync = 0,
727 }, {
728 .pixclock = 134617,
729 .xres = 240,
730 .yres = 320,
731 .bpp = 16,
732 .hsync_len = 20,
733 .left_margin = 20,
734 .right_margin = 46,
735 .vsync_len = 2,
736 .upper_margin = 1,
737 .lower_margin = 0,
738 .sync = 0,
739 },
740 };
741
742 static struct pxafb_mach_info spitz_pxafb_info = {
743 .modes = spitz_pxafb_modes,
744 .num_modes = ARRAY_SIZE(spitz_pxafb_modes),
745 .fixed_modes = 1,
746 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
747 };
748
spitz_lcd_init(void)749 static void __init spitz_lcd_init(void)
750 {
751 pxa_set_fb_info(NULL, &spitz_pxafb_info);
752 }
753 #else
spitz_lcd_init(void)754 static inline void spitz_lcd_init(void) {}
755 #endif
756
757 /******************************************************************************
758 * NAND Flash
759 ******************************************************************************/
760 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
761 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
762
763 static struct nand_bbt_descr spitz_nand_bbt = {
764 .options = 0,
765 .offs = 4,
766 .len = 2,
767 .pattern = scan_ff_pattern
768 };
769
akita_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)770 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
771 struct mtd_oob_region *oobregion)
772 {
773 if (section > 12)
774 return -ERANGE;
775
776 switch (section % 3) {
777 case 0:
778 oobregion->offset = 5;
779 oobregion->length = 1;
780 break;
781
782 case 1:
783 oobregion->offset = 1;
784 oobregion->length = 3;
785 break;
786
787 case 2:
788 oobregion->offset = 6;
789 oobregion->length = 2;
790 break;
791 }
792
793 oobregion->offset += (section / 3) * 0x10;
794
795 return 0;
796 }
797
akita_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * oobregion)798 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
799 struct mtd_oob_region *oobregion)
800 {
801 if (section)
802 return -ERANGE;
803
804 oobregion->offset = 8;
805 oobregion->length = 9;
806
807 return 0;
808 }
809
810 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
811 .ecc = akita_ooblayout_ecc,
812 .free = akita_ooblayout_free,
813 };
814
815 static const char * const probes[] = {
816 "cmdlinepart",
817 "ofpart",
818 "sharpslpart",
819 NULL,
820 };
821
822 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
823 .badblock_pattern = &spitz_nand_bbt,
824 .part_parsers = probes,
825 };
826
827 static struct resource spitz_nand_resources[] = {
828 {
829 .start = PXA_CS3_PHYS,
830 .end = PXA_CS3_PHYS + SZ_4K - 1,
831 .flags = IORESOURCE_MEM,
832 },
833 };
834
835 static struct platform_device spitz_nand_device = {
836 .name = "sharpsl-nand",
837 .id = -1,
838 .resource = spitz_nand_resources,
839 .num_resources = ARRAY_SIZE(spitz_nand_resources),
840 .dev = {
841 .platform_data = &spitz_nand_pdata,
842 }
843 };
844
spitz_nand_init(void)845 static void __init spitz_nand_init(void)
846 {
847 if (machine_is_akita() || machine_is_borzoi()) {
848 spitz_nand_bbt.len = 1;
849 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
850 }
851
852 platform_device_register(&spitz_nand_device);
853 }
854 #else
spitz_nand_init(void)855 static inline void spitz_nand_init(void) {}
856 #endif
857
858 /******************************************************************************
859 * NOR Flash
860 ******************************************************************************/
861 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
862 static struct mtd_partition spitz_rom_parts[] = {
863 {
864 .name ="Boot PROM Filesystem",
865 .offset = 0x00140000,
866 .size = MTDPART_SIZ_FULL,
867 },
868 };
869
870 static struct physmap_flash_data spitz_rom_data = {
871 .width = 2,
872 .nr_parts = ARRAY_SIZE(spitz_rom_parts),
873 .parts = spitz_rom_parts,
874 };
875
876 static struct resource spitz_rom_resources[] = {
877 {
878 .start = PXA_CS0_PHYS,
879 .end = PXA_CS0_PHYS + SZ_8M - 1,
880 .flags = IORESOURCE_MEM,
881 },
882 };
883
884 static struct platform_device spitz_rom_device = {
885 .name = "physmap-flash",
886 .id = -1,
887 .resource = spitz_rom_resources,
888 .num_resources = ARRAY_SIZE(spitz_rom_resources),
889 .dev = {
890 .platform_data = &spitz_rom_data,
891 },
892 };
893
spitz_nor_init(void)894 static void __init spitz_nor_init(void)
895 {
896 platform_device_register(&spitz_rom_device);
897 }
898 #else
spitz_nor_init(void)899 static inline void spitz_nor_init(void) {}
900 #endif
901
902 /******************************************************************************
903 * I2C devices
904 ******************************************************************************/
905 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
906 static struct pca953x_platform_data akita_pca953x_pdata = {
907 .gpio_base = AKITA_IOEXP_GPIO_BASE,
908 };
909
910 static struct i2c_board_info spitz_i2c_devs[] = {
911 {
912 .type = "wm8750",
913 .addr = 0x1b,
914 }, {
915 .type = "max7310",
916 .addr = 0x18,
917 .platform_data = &akita_pca953x_pdata,
918 },
919 };
920
921 static struct regulator_consumer_supply isl6271a_consumers[] = {
922 REGULATOR_SUPPLY("vcc_core", NULL),
923 };
924
925 static struct regulator_init_data isl6271a_info[] = {
926 {
927 .constraints = {
928 .name = "vcc_core range",
929 .min_uV = 850000,
930 .max_uV = 1600000,
931 .always_on = 1,
932 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
933 },
934 .consumer_supplies = isl6271a_consumers,
935 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers),
936 }
937 };
938
939 static struct i2c_board_info spitz_pi2c_devs[] = {
940 {
941 .type = "isl6271a",
942 .addr = 0x0c,
943 .platform_data = &isl6271a_info,
944 },
945 };
946
spitz_i2c_init(void)947 static void __init spitz_i2c_init(void)
948 {
949 int size = ARRAY_SIZE(spitz_i2c_devs);
950
951 /* Only Akita has the max7310 chip */
952 if (!machine_is_akita())
953 size--;
954
955 pxa_set_i2c_info(NULL);
956 pxa27x_set_i2c_power_info(NULL);
957 i2c_register_board_info(0, spitz_i2c_devs, size);
958 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
959 }
960 #else
spitz_i2c_init(void)961 static inline void spitz_i2c_init(void) {}
962 #endif
963
964 static struct gpiod_lookup_table spitz_audio_gpio_table = {
965 .dev_id = "spitz-audio",
966 .table = {
967 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
968 "mute-l", GPIO_ACTIVE_HIGH),
969 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
970 "mute-r", GPIO_ACTIVE_HIGH),
971 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
972 "mic", GPIO_ACTIVE_HIGH),
973 { },
974 },
975 };
976
977 static struct gpiod_lookup_table akita_audio_gpio_table = {
978 .dev_id = "spitz-audio",
979 .table = {
980 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
981 "mute-l", GPIO_ACTIVE_HIGH),
982 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
983 "mute-r", GPIO_ACTIVE_HIGH),
984 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
985 "mic", GPIO_ACTIVE_HIGH),
986 { },
987 },
988 };
989
990 /******************************************************************************
991 * Audio devices
992 ******************************************************************************/
spitz_audio_init(void)993 static inline void spitz_audio_init(void)
994 {
995 if (machine_is_akita())
996 gpiod_add_lookup_table(&akita_audio_gpio_table);
997 else
998 gpiod_add_lookup_table(&spitz_audio_gpio_table);
999
1000 platform_device_register_simple("spitz-audio", -1, NULL, 0);
1001 }
1002
1003 /******************************************************************************
1004 * Machine init
1005 ******************************************************************************/
spitz_poweroff(void)1006 static void spitz_poweroff(void)
1007 {
1008 pxa_restart(REBOOT_GPIO, NULL);
1009 }
1010
spitz_restart(enum reboot_mode mode,const char * cmd)1011 static void spitz_restart(enum reboot_mode mode, const char *cmd)
1012 {
1013 uint32_t msc0 = __raw_readl(MSC0);
1014 /* Bootloader magic for a reboot */
1015 if ((msc0 & 0xffff0000) == 0x7ff00000)
1016 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
1017
1018 spitz_poweroff();
1019 }
1020
spitz_init(void)1021 static void __init spitz_init(void)
1022 {
1023 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
1024 pm_power_off = spitz_poweroff;
1025
1026 PMCR = 0x00;
1027
1028 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1029 PCFR |= PCFR_OPDE;
1030
1031 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1032
1033 pxa_set_ffuart_info(NULL);
1034 pxa_set_btuart_info(NULL);
1035 pxa_set_stuart_info(NULL);
1036
1037 spitz_spi_init();
1038 spitz_scoop_init();
1039 spitz_mkp_init();
1040 spitz_keys_init();
1041 spitz_leds_init();
1042 spitz_mmc_init();
1043 spitz_pcmcia_init();
1044 spitz_uhc_init();
1045 spitz_lcd_init();
1046 spitz_nor_init();
1047 spitz_nand_init();
1048 spitz_i2c_init();
1049 spitz_audio_init();
1050
1051 regulator_has_full_constraints();
1052 }
1053
spitz_fixup(struct tag * tags,char ** cmdline)1054 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1055 {
1056 sharpsl_save_param();
1057 memblock_add(0xa0000000, SZ_64M);
1058 }
1059
1060 #ifdef CONFIG_MACH_SPITZ
1061 MACHINE_START(SPITZ, "SHARP Spitz")
1062 .fixup = spitz_fixup,
1063 .map_io = pxa27x_map_io,
1064 .nr_irqs = PXA_NR_IRQS,
1065 .init_irq = pxa27x_init_irq,
1066 .init_machine = spitz_init,
1067 .init_time = pxa_timer_init,
1068 .restart = spitz_restart,
1069 MACHINE_END
1070 #endif
1071
1072 #ifdef CONFIG_MACH_BORZOI
1073 MACHINE_START(BORZOI, "SHARP Borzoi")
1074 .fixup = spitz_fixup,
1075 .map_io = pxa27x_map_io,
1076 .nr_irqs = PXA_NR_IRQS,
1077 .init_irq = pxa27x_init_irq,
1078 .init_machine = spitz_init,
1079 .init_time = pxa_timer_init,
1080 .restart = spitz_restart,
1081 MACHINE_END
1082 #endif
1083
1084 #ifdef CONFIG_MACH_AKITA
1085 MACHINE_START(AKITA, "SHARP Akita")
1086 .fixup = spitz_fixup,
1087 .map_io = pxa27x_map_io,
1088 .nr_irqs = PXA_NR_IRQS,
1089 .init_irq = pxa27x_init_irq,
1090 .init_machine = spitz_init,
1091 .init_time = pxa_timer_init,
1092 .restart = spitz_restart,
1093 MACHINE_END
1094 #endif
1095