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 ******************************************************************************/
56static 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 */
137static struct resource spitz_scoop_1_resources[] = {
138 [0] = {
139 .start = 0x10800000,
140 .end = 0x10800fff,
141 .flags = IORESOURCE_MEM,
142 },
143};
144
145static 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
153struct 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 */
164static struct resource spitz_scoop_2_resources[] = {
165 [0] = {
166 .start = 0x08800040,
167 .end = 0x08800fff,
168 .flags = IORESOURCE_MEM,
169 },
170};
171
172static 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
180struct 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
190static 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 */
200static 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
230static inline void spitz_scoop_init(void) {}
231static 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)
238static 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
248static 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
261static 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
267static 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
276static 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
299static 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
366static const struct matrix_keymap_data spitz_keymap_data = {
367 .keymap = spitz_keymap,
368 .keymap_size = ARRAY_SIZE(spitz_keymap),
369};
370
371static const uint32_t spitz_row_gpios[] =
372 { 12, 17, 91, 34, 36, 38, 39 };
373static const uint32_t spitz_col_gpios[] =
374 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
375
376static 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
387static struct platform_device spitz_mkp_device = {
388 .name = "matrix-keypad",
389 .id = -1,
390 .dev = {
391 .platform_data = &spitz_mkp_pdata,
392 },
393};
394
395static void __init spitz_mkp_init(void)
396{
397 platform_device_register(&spitz_mkp_device);
398}
399#else
400static 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)
407static 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
430static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
431 .buttons = spitz_gpio_keys,
432 .nbuttons = ARRAY_SIZE(spitz_gpio_keys),
433};
434
435static 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
443static void __init spitz_keys_init(void)
444{
445 platform_device_register(&spitz_gpio_keys_device);
446}
447#else
448static inline void spitz_keys_init(void) {}
449#endif
450
451/******************************************************************************
452 * LEDs
453 ******************************************************************************/
454#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
455static 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
468static struct gpio_led_platform_data spitz_gpio_leds_info = {
469 .leds = spitz_gpio_leds,
470 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
471};
472
473static 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
481static void __init spitz_leds_init(void)
482{
483 platform_device_register(&spitz_led_device);
484}
485#else
486static 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)
493static 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
502static 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
511static 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
520static 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
531static 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
542static 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
550static 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
572static struct pxa2xx_spi_controller spitz_spi_info = {
573 .num_chipselect = 3,
574};
575
576static struct gpiod_lookup_table spitz_spi_gpio_table = {
577 .dev_id = "spi2",
578 .table = {
579 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
580 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),
581 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW),
582 { },
583 },
584};
585
586static void __init spitz_spi_init(void)
587{
588 if (machine_is_akita())
589 gpiod_add_lookup_table(table: &akita_lcdcon_gpio_table);
590 else
591 gpiod_add_lookup_table(table: &spitz_lcdcon_gpio_table);
592
593 gpiod_add_lookup_table(table: &spitz_ads7846_gpio_table);
594 gpiod_add_lookup_table(table: &spitz_spi_gpio_table);
595 pxa2xx_set_spi_info(2, &spitz_spi_info);
596 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
597}
598#else
599static inline void spitz_spi_init(void) {}
600#endif
601
602/******************************************************************************
603 * SD/MMC card controller
604 ******************************************************************************/
605#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
606/*
607 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
608 * give the card a chance to fully insert/eject.
609 */
610static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
611{
612 struct pxamci_platform_data* p_d = dev->platform_data;
613
614 if ((1 << vdd) & p_d->ocr_mask)
615 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
616 else
617 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
618
619 return 0;
620}
621
622static struct pxamci_platform_data spitz_mci_platform_data = {
623 .detect_delay_ms = 250,
624 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
625 .setpower = spitz_mci_setpower,
626};
627
628static struct gpiod_lookup_table spitz_mci_gpio_table = {
629 .dev_id = "pxa2xx-mci.0",
630 .table = {
631 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT,
632 "cd", GPIO_ACTIVE_LOW),
633 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP,
634 "wp", GPIO_ACTIVE_LOW),
635 { },
636 },
637};
638
639static void __init spitz_mmc_init(void)
640{
641 gpiod_add_lookup_table(&spitz_mci_gpio_table);
642 pxa_set_mci_info(&spitz_mci_platform_data);
643}
644#else
645static inline void spitz_mmc_init(void) {}
646#endif
647
648/******************************************************************************
649 * USB Host
650 ******************************************************************************/
651#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
652static int spitz_ohci_init(struct device *dev)
653{
654 int err;
655
656 err = gpio_request(SPITZ_GPIO_USB_HOST, label: "USB_HOST");
657 if (err)
658 return err;
659
660 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
661 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
662
663 return gpio_direction_output(SPITZ_GPIO_USB_HOST, value: 1);
664}
665
666static void spitz_ohci_exit(struct device *dev)
667{
668 gpio_free(SPITZ_GPIO_USB_HOST);
669}
670
671static struct pxaohci_platform_data spitz_ohci_platform_data = {
672 .port_mode = PMM_NPS_MODE,
673 .init = spitz_ohci_init,
674 .exit = spitz_ohci_exit,
675 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
676 .power_budget = 150,
677};
678
679static void __init spitz_uhc_init(void)
680{
681 pxa_set_ohci_info(info: &spitz_ohci_platform_data);
682}
683#else
684static inline void spitz_uhc_init(void) {}
685#endif
686
687/******************************************************************************
688 * Framebuffer
689 ******************************************************************************/
690#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
691static struct pxafb_mode_info spitz_pxafb_modes[] = {
692 {
693 .pixclock = 19231,
694 .xres = 480,
695 .yres = 640,
696 .bpp = 16,
697 .hsync_len = 40,
698 .left_margin = 46,
699 .right_margin = 125,
700 .vsync_len = 3,
701 .upper_margin = 1,
702 .lower_margin = 0,
703 .sync = 0,
704 }, {
705 .pixclock = 134617,
706 .xres = 240,
707 .yres = 320,
708 .bpp = 16,
709 .hsync_len = 20,
710 .left_margin = 20,
711 .right_margin = 46,
712 .vsync_len = 2,
713 .upper_margin = 1,
714 .lower_margin = 0,
715 .sync = 0,
716 },
717};
718
719static struct pxafb_mach_info spitz_pxafb_info = {
720 .modes = spitz_pxafb_modes,
721 .num_modes = ARRAY_SIZE(spitz_pxafb_modes),
722 .fixed_modes = 1,
723 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
724};
725
726static void __init spitz_lcd_init(void)
727{
728 pxa_set_fb_info(NULL, &spitz_pxafb_info);
729}
730#else
731static inline void spitz_lcd_init(void) {}
732#endif
733
734/******************************************************************************
735 * NAND Flash
736 ******************************************************************************/
737#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
738static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
739
740static struct nand_bbt_descr spitz_nand_bbt = {
741 .options = 0,
742 .offs = 4,
743 .len = 2,
744 .pattern = scan_ff_pattern
745};
746
747static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
748 struct mtd_oob_region *oobregion)
749{
750 if (section > 12)
751 return -ERANGE;
752
753 switch (section % 3) {
754 case 0:
755 oobregion->offset = 5;
756 oobregion->length = 1;
757 break;
758
759 case 1:
760 oobregion->offset = 1;
761 oobregion->length = 3;
762 break;
763
764 case 2:
765 oobregion->offset = 6;
766 oobregion->length = 2;
767 break;
768 }
769
770 oobregion->offset += (section / 3) * 0x10;
771
772 return 0;
773}
774
775static int akita_ooblayout_free(struct mtd_info *mtd, int section,
776 struct mtd_oob_region *oobregion)
777{
778 if (section)
779 return -ERANGE;
780
781 oobregion->offset = 8;
782 oobregion->length = 9;
783
784 return 0;
785}
786
787static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
788 .ecc = akita_ooblayout_ecc,
789 .free = akita_ooblayout_free,
790};
791
792static const char * const probes[] = {
793 "cmdlinepart",
794 "ofpart",
795 "sharpslpart",
796 NULL,
797};
798
799static struct sharpsl_nand_platform_data spitz_nand_pdata = {
800 .badblock_pattern = &spitz_nand_bbt,
801 .part_parsers = probes,
802};
803
804static struct resource spitz_nand_resources[] = {
805 {
806 .start = PXA_CS3_PHYS,
807 .end = PXA_CS3_PHYS + SZ_4K - 1,
808 .flags = IORESOURCE_MEM,
809 },
810};
811
812static struct platform_device spitz_nand_device = {
813 .name = "sharpsl-nand",
814 .id = -1,
815 .resource = spitz_nand_resources,
816 .num_resources = ARRAY_SIZE(spitz_nand_resources),
817 .dev = {
818 .platform_data = &spitz_nand_pdata,
819 }
820};
821
822static void __init spitz_nand_init(void)
823{
824 if (machine_is_akita() || machine_is_borzoi()) {
825 spitz_nand_bbt.len = 1;
826 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
827 }
828
829 platform_device_register(&spitz_nand_device);
830}
831#else
832static inline void spitz_nand_init(void) {}
833#endif
834
835/******************************************************************************
836 * NOR Flash
837 ******************************************************************************/
838#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
839static struct mtd_partition spitz_rom_parts[] = {
840 {
841 .name ="Boot PROM Filesystem",
842 .offset = 0x00140000,
843 .size = MTDPART_SIZ_FULL,
844 },
845};
846
847static struct physmap_flash_data spitz_rom_data = {
848 .width = 2,
849 .nr_parts = ARRAY_SIZE(spitz_rom_parts),
850 .parts = spitz_rom_parts,
851};
852
853static struct resource spitz_rom_resources[] = {
854 {
855 .start = PXA_CS0_PHYS,
856 .end = PXA_CS0_PHYS + SZ_8M - 1,
857 .flags = IORESOURCE_MEM,
858 },
859};
860
861static struct platform_device spitz_rom_device = {
862 .name = "physmap-flash",
863 .id = -1,
864 .resource = spitz_rom_resources,
865 .num_resources = ARRAY_SIZE(spitz_rom_resources),
866 .dev = {
867 .platform_data = &spitz_rom_data,
868 },
869};
870
871static void __init spitz_nor_init(void)
872{
873 platform_device_register(&spitz_rom_device);
874}
875#else
876static inline void spitz_nor_init(void) {}
877#endif
878
879/******************************************************************************
880 * I2C devices
881 ******************************************************************************/
882#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
883static struct pca953x_platform_data akita_pca953x_pdata = {
884 .gpio_base = AKITA_IOEXP_GPIO_BASE,
885};
886
887static struct i2c_board_info spitz_i2c_devs[] = {
888 {
889 .type = "wm8750",
890 .addr = 0x1b,
891 }, {
892 .type = "max7310",
893 .addr = 0x18,
894 .platform_data = &akita_pca953x_pdata,
895 },
896};
897
898static struct regulator_consumer_supply isl6271a_consumers[] = {
899 REGULATOR_SUPPLY("vcc_core", NULL),
900};
901
902static struct regulator_init_data isl6271a_info[] = {
903 {
904 .constraints = {
905 .name = "vcc_core range",
906 .min_uV = 850000,
907 .max_uV = 1600000,
908 .always_on = 1,
909 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
910 },
911 .consumer_supplies = isl6271a_consumers,
912 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers),
913 }
914};
915
916static struct i2c_board_info spitz_pi2c_devs[] = {
917 {
918 .type = "isl6271a",
919 .addr = 0x0c,
920 .platform_data = &isl6271a_info,
921 },
922};
923
924static void __init spitz_i2c_init(void)
925{
926 int size = ARRAY_SIZE(spitz_i2c_devs);
927
928 /* Only Akita has the max7310 chip */
929 if (!machine_is_akita())
930 size--;
931
932 pxa_set_i2c_info(NULL);
933 pxa27x_set_i2c_power_info(NULL);
934 i2c_register_board_info(busnum: 0, info: spitz_i2c_devs, n: size);
935 i2c_register_board_info(busnum: 1, ARRAY_AND_SIZE(spitz_pi2c_devs));
936}
937#else
938static inline void spitz_i2c_init(void) {}
939#endif
940
941static struct gpiod_lookup_table spitz_audio_gpio_table = {
942 .dev_id = "spitz-audio",
943 .table = {
944 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
945 "mute-l", GPIO_ACTIVE_HIGH),
946 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
947 "mute-r", GPIO_ACTIVE_HIGH),
948 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
949 "mic", GPIO_ACTIVE_HIGH),
950 { },
951 },
952};
953
954static struct gpiod_lookup_table akita_audio_gpio_table = {
955 .dev_id = "spitz-audio",
956 .table = {
957 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
958 "mute-l", GPIO_ACTIVE_HIGH),
959 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
960 "mute-r", GPIO_ACTIVE_HIGH),
961 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
962 "mic", GPIO_ACTIVE_HIGH),
963 { },
964 },
965};
966
967/******************************************************************************
968 * Audio devices
969 ******************************************************************************/
970static inline void spitz_audio_init(void)
971{
972 if (machine_is_akita())
973 gpiod_add_lookup_table(table: &akita_audio_gpio_table);
974 else
975 gpiod_add_lookup_table(table: &spitz_audio_gpio_table);
976
977 platform_device_register_simple(name: "spitz-audio", id: -1, NULL, num: 0);
978}
979
980/******************************************************************************
981 * Machine init
982 ******************************************************************************/
983static void spitz_poweroff(void)
984{
985 pxa_restart(REBOOT_GPIO, NULL);
986}
987
988static void spitz_restart(enum reboot_mode mode, const char *cmd)
989{
990 uint32_t msc0 = __raw_readl(MSC0);
991 /* Bootloader magic for a reboot */
992 if ((msc0 & 0xffff0000) == 0x7ff00000)
993 __raw_writel(val: (msc0 & 0xffff) | 0x7ee00000, MSC0);
994
995 spitz_poweroff();
996}
997
998static void __init spitz_init(void)
999{
1000 init_gpio_reset(SPITZ_GPIO_ON_RESET, output: 1, level: 0);
1001 pm_power_off = spitz_poweroff;
1002
1003 PMCR = 0x00;
1004
1005 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1006 PCFR |= PCFR_OPDE;
1007
1008 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1009
1010 pxa_set_ffuart_info(NULL);
1011 pxa_set_btuart_info(NULL);
1012 pxa_set_stuart_info(NULL);
1013
1014 spitz_spi_init();
1015 spitz_scoop_init();
1016 spitz_mkp_init();
1017 spitz_keys_init();
1018 spitz_leds_init();
1019 spitz_mmc_init();
1020 spitz_pcmcia_init();
1021 spitz_uhc_init();
1022 spitz_lcd_init();
1023 spitz_nor_init();
1024 spitz_nand_init();
1025 spitz_i2c_init();
1026 spitz_audio_init();
1027
1028 regulator_has_full_constraints();
1029}
1030
1031static void __init spitz_fixup(struct tag *tags, char **cmdline)
1032{
1033 sharpsl_save_param();
1034 memblock_add(base: 0xa0000000, SZ_64M);
1035}
1036
1037#ifdef CONFIG_MACH_SPITZ
1038MACHINE_START(SPITZ, "SHARP Spitz")
1039 .fixup = spitz_fixup,
1040 .map_io = pxa27x_map_io,
1041 .nr_irqs = PXA_NR_IRQS,
1042 .init_irq = pxa27x_init_irq,
1043 .init_machine = spitz_init,
1044 .init_time = pxa_timer_init,
1045 .restart = spitz_restart,
1046MACHINE_END
1047#endif
1048
1049#ifdef CONFIG_MACH_BORZOI
1050MACHINE_START(BORZOI, "SHARP Borzoi")
1051 .fixup = spitz_fixup,
1052 .map_io = pxa27x_map_io,
1053 .nr_irqs = PXA_NR_IRQS,
1054 .init_irq = pxa27x_init_irq,
1055 .init_machine = spitz_init,
1056 .init_time = pxa_timer_init,
1057 .restart = spitz_restart,
1058MACHINE_END
1059#endif
1060
1061#ifdef CONFIG_MACH_AKITA
1062MACHINE_START(AKITA, "SHARP Akita")
1063 .fixup = spitz_fixup,
1064 .map_io = pxa27x_map_io,
1065 .nr_irqs = PXA_NR_IRQS,
1066 .init_irq = pxa27x_init_irq,
1067 .init_machine = spitz_init,
1068 .init_time = pxa_timer_init,
1069 .restart = spitz_restart,
1070MACHINE_END
1071#endif
1072

source code of linux/arch/arm/mach-pxa/spitz.c