~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/spitz.c

Version: ~ [ linux-5.10-rc6 ] ~ [ linux-5.9.12 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.81 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.161 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.210 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.247 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.247 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Support for Sharp SL-Cxx00 Series of PDAs
  3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
  4  *
  5  * Copyright (c) 2005 Richard Purdie
  6  *
  7  * Based on Sharp's 2.4 kernel patches/lubbock.c
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License version 2 as
 11  * published by the Free Software Foundation.
 12  *
 13  */
 14 
 15 #include <linux/kernel.h>
 16 #include <linux/module.h>       /* symbol_get ; symbol_put */
 17 #include <linux/platform_device.h>
 18 #include <linux/delay.h>
 19 #include <linux/gpio_keys.h>
 20 #include <linux/gpio.h>
 21 #include <linux/leds.h>
 22 #include <linux/i2c.h>
 23 #include <linux/platform_data/i2c-pxa.h>
 24 #include <linux/platform_data/pca953x.h>
 25 #include <linux/spi/spi.h>
 26 #include <linux/spi/ads7846.h>
 27 #include <linux/spi/corgi_lcd.h>
 28 #include <linux/spi/pxa2xx_spi.h>
 29 #include <linux/mtd/sharpsl.h>
 30 #include <linux/mtd/physmap.h>
 31 #include <linux/input/matrix_keypad.h>
 32 #include <linux/regulator/machine.h>
 33 #include <linux/io.h>
 34 #include <linux/reboot.h>
 35 #include <linux/memblock.h>
 36 
 37 #include <asm/setup.h>
 38 #include <asm/mach-types.h>
 39 #include <asm/mach/arch.h>
 40 #include <asm/mach/sharpsl_param.h>
 41 #include <asm/hardware/scoop.h>
 42 
 43 #include "pxa27x.h"
 44 #include "pxa27x-udc.h"
 45 #include <mach/reset.h>
 46 #include <linux/platform_data/irda-pxaficp.h>
 47 #include <linux/platform_data/mmc-pxamci.h>
 48 #include <linux/platform_data/usb-ohci-pxa27x.h>
 49 #include <linux/platform_data/video-pxafb.h>
 50 #include <mach/spitz.h>
 51 #include "sharpsl_pm.h"
 52 #include <mach/smemc.h>
 53 
 54 #include "generic.h"
 55 #include "devices.h"
 56 
 57 /******************************************************************************
 58  * Pin configuration
 59  ******************************************************************************/
 60 static unsigned long spitz_pin_config[] __initdata = {
 61         /* Chip Selects */
 62         GPIO78_nCS_2,   /* SCOOP #2 */
 63         GPIO79_nCS_3,   /* NAND */
 64         GPIO80_nCS_4,   /* SCOOP #1 */
 65 
 66         /* LCD - 16bpp Active TFT */
 67         GPIOxx_LCD_TFT_16BPP,
 68 
 69         /* PC Card */
 70         GPIO48_nPOE,
 71         GPIO49_nPWE,
 72         GPIO50_nPIOR,
 73         GPIO51_nPIOW,
 74         GPIO85_nPCE_1,
 75         GPIO54_nPCE_2,
 76         GPIO55_nPREG,
 77         GPIO56_nPWAIT,
 78         GPIO57_nIOIS16,
 79         GPIO104_PSKTSEL,
 80 
 81         /* I2S */
 82         GPIO28_I2S_BITCLK_OUT,
 83         GPIO29_I2S_SDATA_IN,
 84         GPIO30_I2S_SDATA_OUT,
 85         GPIO31_I2S_SYNC,
 86 
 87         /* MMC */
 88         GPIO32_MMC_CLK,
 89         GPIO112_MMC_CMD,
 90         GPIO92_MMC_DAT_0,
 91         GPIO109_MMC_DAT_1,
 92         GPIO110_MMC_DAT_2,
 93         GPIO111_MMC_DAT_3,
 94 
 95         /* GPIOs */
 96         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 97         GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
 98         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 99         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
100         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
101         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
102         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
103         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
104         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
105         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
106 
107         /* GPIO matrix keypad */
108         GPIO88_GPIO,    /* column 0 */
109         GPIO23_GPIO,    /* column 1 */
110         GPIO24_GPIO,    /* column 2 */
111         GPIO25_GPIO,    /* column 3 */
112         GPIO26_GPIO,    /* column 4 */
113         GPIO27_GPIO,    /* column 5 */
114         GPIO52_GPIO,    /* column 6 */
115         GPIO103_GPIO,   /* column 7 */
116         GPIO107_GPIO,   /* column 8 */
117         GPIO108_GPIO,   /* column 9 */
118         GPIO114_GPIO,   /* column 10 */
119         GPIO12_GPIO,    /* row 0 */
120         GPIO17_GPIO,    /* row 1 */
121         GPIO91_GPIO,    /* row 2 */
122         GPIO34_GPIO,    /* row 3 */
123         GPIO36_GPIO,    /* row 4 */
124         GPIO38_GPIO,    /* row 5 */
125         GPIO39_GPIO,    /* row 6 */
126 
127         /* I2C */
128         GPIO117_I2C_SCL,
129         GPIO118_I2C_SDA,
130 
131         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
132         GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
133 };
134 
135 
136 /******************************************************************************
137  * Scoop GPIO expander
138  ******************************************************************************/
139 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
140 /* SCOOP Device #1 */
141 static struct resource spitz_scoop_1_resources[] = {
142         [0] = {
143                 .start          = 0x10800000,
144                 .end            = 0x10800fff,
145                 .flags          = IORESOURCE_MEM,
146         },
147 };
148 
149 static struct scoop_config spitz_scoop_1_setup = {
150         .io_dir         = SPITZ_SCP_IO_DIR,
151         .io_out         = SPITZ_SCP_IO_OUT,
152         .suspend_clr    = SPITZ_SCP_SUS_CLR,
153         .suspend_set    = SPITZ_SCP_SUS_SET,
154         .gpio_base      = SPITZ_SCP_GPIO_BASE,
155 };
156 
157 struct platform_device spitz_scoop_1_device = {
158         .name           = "sharp-scoop",
159         .id             = 0,
160         .dev            = {
161                 .platform_data  = &spitz_scoop_1_setup,
162         },
163         .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
164         .resource       = spitz_scoop_1_resources,
165 };
166 
167 /* SCOOP Device #2 */
168 static struct resource spitz_scoop_2_resources[] = {
169         [0] = {
170                 .start          = 0x08800040,
171                 .end            = 0x08800fff,
172                 .flags          = IORESOURCE_MEM,
173         },
174 };
175 
176 static struct scoop_config spitz_scoop_2_setup = {
177         .io_dir         = SPITZ_SCP2_IO_DIR,
178         .io_out         = SPITZ_SCP2_IO_OUT,
179         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
180         .suspend_set    = SPITZ_SCP2_SUS_SET,
181         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
182 };
183 
184 struct platform_device spitz_scoop_2_device = {
185         .name           = "sharp-scoop",
186         .id             = 1,
187         .dev            = {
188                 .platform_data  = &spitz_scoop_2_setup,
189         },
190         .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
191         .resource       = spitz_scoop_2_resources,
192 };
193 
194 static void __init spitz_scoop_init(void)
195 {
196         platform_device_register(&spitz_scoop_1_device);
197 
198         /* Akita doesn't have the second SCOOP chip */
199         if (!machine_is_akita())
200                 platform_device_register(&spitz_scoop_2_device);
201 }
202 
203 /* Power control is shared with between one of the CF slots and SD */
204 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
205 {
206         unsigned short cpr;
207         unsigned long flags;
208 
209         if (new_cpr & 0x7) {
210                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
211                 mdelay(5);
212         }
213 
214         local_irq_save(flags);
215 
216         cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
217 
218         if (enable & new_cpr)
219                 cpr |= new_cpr;
220         else
221                 cpr &= ~enable;
222 
223         write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
224 
225         local_irq_restore(flags);
226 
227         if (!(cpr & 0x7)) {
228                 mdelay(1);
229                 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
230         }
231 }
232 
233 #else
234 static inline void spitz_scoop_init(void) {}
235 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
236 #endif
237 
238 /******************************************************************************
239  * PCMCIA
240  ******************************************************************************/
241 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
242 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
243 {
244         /* Only need to override behaviour for slot 0 */
245         if (nr == 0)
246                 spitz_card_pwr_ctrl(
247                         cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
248         else
249                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
250 }
251 
252 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
253         {
254                 .dev            = &spitz_scoop_1_device.dev,
255                 .irq            = SPITZ_IRQ_GPIO_CF_IRQ,
256                 .cd_irq         = SPITZ_IRQ_GPIO_CF_CD,
257                 .cd_irq_str     = "PCMCIA0 CD",
258         }, {
259                 .dev            = &spitz_scoop_2_device.dev,
260                 .irq            = SPITZ_IRQ_GPIO_CF2_IRQ,
261                 .cd_irq         = -1,
262         },
263 };
264 
265 static struct scoop_pcmcia_config spitz_pcmcia_config = {
266         .devs           = &spitz_pcmcia_scoop[0],
267         .num_devs       = 2,
268         .power_ctrl     = spitz_pcmcia_pwr,
269 };
270 
271 static void __init spitz_pcmcia_init(void)
272 {
273         /* Akita has only one PCMCIA slot used */
274         if (machine_is_akita())
275                 spitz_pcmcia_config.num_devs = 1;
276 
277         platform_scoop_config = &spitz_pcmcia_config;
278 }
279 #else
280 static inline void spitz_pcmcia_init(void) {}
281 #endif
282 
283 /******************************************************************************
284  * GPIO keyboard
285  ******************************************************************************/
286 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
287 
288 #define SPITZ_KEY_CALENDAR      KEY_F1
289 #define SPITZ_KEY_ADDRESS       KEY_F2
290 #define SPITZ_KEY_FN            KEY_F3
291 #define SPITZ_KEY_CANCEL        KEY_F4
292 #define SPITZ_KEY_EXOK          KEY_F5
293 #define SPITZ_KEY_EXCANCEL      KEY_F6
294 #define SPITZ_KEY_EXJOGDOWN     KEY_F7
295 #define SPITZ_KEY_EXJOGUP       KEY_F8
296 #define SPITZ_KEY_JAP1          KEY_LEFTALT
297 #define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
298 #define SPITZ_KEY_SYNC          KEY_F9
299 #define SPITZ_KEY_MAIL          KEY_F10
300 #define SPITZ_KEY_OK            KEY_F11
301 #define SPITZ_KEY_MENU          KEY_F12
302 
303 static const uint32_t spitz_keymap[] = {
304         KEY(0, 0, KEY_LEFTCTRL),
305         KEY(0, 1, KEY_1),
306         KEY(0, 2, KEY_3),
307         KEY(0, 3, KEY_5),
308         KEY(0, 4, KEY_6),
309         KEY(0, 5, KEY_7),
310         KEY(0, 6, KEY_9),
311         KEY(0, 7, KEY_0),
312         KEY(0, 8, KEY_BACKSPACE),
313         KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
314         KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
315         KEY(1, 1, KEY_2),
316         KEY(1, 2, KEY_4),
317         KEY(1, 3, KEY_R),
318         KEY(1, 4, KEY_Y),
319         KEY(1, 5, KEY_8),
320         KEY(1, 6, KEY_I),
321         KEY(1, 7, KEY_O),
322         KEY(1, 8, KEY_P),
323         KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
324         KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
325         KEY(2, 0, KEY_TAB),
326         KEY(2, 1, KEY_Q),
327         KEY(2, 2, KEY_E),
328         KEY(2, 3, KEY_T),
329         KEY(2, 4, KEY_G),
330         KEY(2, 5, KEY_U),
331         KEY(2, 6, KEY_J),
332         KEY(2, 7, KEY_K),
333         KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
334         KEY(3, 1, KEY_W),
335         KEY(3, 2, KEY_S),
336         KEY(3, 3, KEY_F),
337         KEY(3, 4, KEY_V),
338         KEY(3, 5, KEY_H),
339         KEY(3, 6, KEY_M),
340         KEY(3, 7, KEY_L),
341         KEY(3, 9, KEY_RIGHTSHIFT),
342         KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
343         KEY(4, 1, KEY_A),
344         KEY(4, 2, KEY_D),
345         KEY(4, 3, KEY_C),
346         KEY(4, 4, KEY_B),
347         KEY(4, 5, KEY_N),
348         KEY(4, 6, KEY_DOT),
349         KEY(4, 8, KEY_ENTER),
350         KEY(4, 9, KEY_LEFTSHIFT),
351         KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
352         KEY(5, 1, KEY_Z),
353         KEY(5, 2, KEY_X),
354         KEY(5, 3, KEY_MINUS),
355         KEY(5, 4, KEY_SPACE),
356         KEY(5, 5, KEY_COMMA),
357         KEY(5, 7, KEY_UP),
358         KEY(5, 10, SPITZ_KEY_FN),       /* FN */
359         KEY(6, 0, KEY_SYSRQ),
360         KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
361         KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
362         KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
363         KEY(6, 4, SPITZ_KEY_OK),        /* OK */
364         KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
365         KEY(6, 6, KEY_LEFT),
366         KEY(6, 7, KEY_DOWN),
367         KEY(6, 8, KEY_RIGHT),
368 };
369 
370 static const struct matrix_keymap_data spitz_keymap_data = {
371         .keymap         = spitz_keymap,
372         .keymap_size    = ARRAY_SIZE(spitz_keymap),
373 };
374 
375 static const uint32_t spitz_row_gpios[] =
376                 { 12, 17, 91, 34, 36, 38, 39 };
377 static const uint32_t spitz_col_gpios[] =
378                 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
379 
380 static struct matrix_keypad_platform_data spitz_mkp_pdata = {
381         .keymap_data            = &spitz_keymap_data,
382         .row_gpios              = spitz_row_gpios,
383         .col_gpios              = spitz_col_gpios,
384         .num_row_gpios          = ARRAY_SIZE(spitz_row_gpios),
385         .num_col_gpios          = ARRAY_SIZE(spitz_col_gpios),
386         .col_scan_delay_us      = 10,
387         .debounce_ms            = 10,
388         .wakeup                 = 1,
389 };
390 
391 static struct platform_device spitz_mkp_device = {
392         .name           = "matrix-keypad",
393         .id             = -1,
394         .dev            = {
395                 .platform_data  = &spitz_mkp_pdata,
396         },
397 };
398 
399 static void __init spitz_mkp_init(void)
400 {
401         platform_device_register(&spitz_mkp_device);
402 }
403 #else
404 static inline void spitz_mkp_init(void) {}
405 #endif
406 
407 /******************************************************************************
408  * GPIO keys
409  ******************************************************************************/
410 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
411 static struct gpio_keys_button spitz_gpio_keys[] = {
412         {
413                 .type   = EV_PWR,
414                 .code   = KEY_SUSPEND,
415                 .gpio   = SPITZ_GPIO_ON_KEY,
416                 .desc   = "On Off",
417                 .wakeup = 1,
418         },
419         /* Two buttons detecting the lid state */
420         {
421                 .type   = EV_SW,
422                 .code   = 0,
423                 .gpio   = SPITZ_GPIO_SWA,
424                 .desc   = "Display Down",
425         },
426         {
427                 .type   = EV_SW,
428                 .code   = 1,
429                 .gpio   = SPITZ_GPIO_SWB,
430                 .desc   = "Lid Closed",
431         },
432 };
433 
434 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
435         .buttons        = spitz_gpio_keys,
436         .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
437 };
438 
439 static struct platform_device spitz_gpio_keys_device = {
440         .name   = "gpio-keys",
441         .id     = -1,
442         .dev    = {
443                 .platform_data  = &spitz_gpio_keys_platform_data,
444         },
445 };
446 
447 static void __init spitz_keys_init(void)
448 {
449         platform_device_register(&spitz_gpio_keys_device);
450 }
451 #else
452 static inline void spitz_keys_init(void) {}
453 #endif
454 
455 /******************************************************************************
456  * LEDs
457  ******************************************************************************/
458 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
459 static struct gpio_led spitz_gpio_leds[] = {
460         {
461                 .name                   = "spitz:amber:charge",
462                 .default_trigger        = "sharpsl-charge",
463                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
464         },
465         {
466                 .name                   = "spitz:green:hddactivity",
467                 .default_trigger        = "disk-activity",
468                 .gpio                   = SPITZ_GPIO_LED_GREEN,
469         },
470 };
471 
472 static struct gpio_led_platform_data spitz_gpio_leds_info = {
473         .leds           = spitz_gpio_leds,
474         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
475 };
476 
477 static struct platform_device spitz_led_device = {
478         .name           = "leds-gpio",
479         .id             = -1,
480         .dev            = {
481                 .platform_data  = &spitz_gpio_leds_info,
482         },
483 };
484 
485 static void __init spitz_leds_init(void)
486 {
487         platform_device_register(&spitz_led_device);
488 }
489 #else
490 static inline void spitz_leds_init(void) {}
491 #endif
492 
493 /******************************************************************************
494  * SSP Devices
495  ******************************************************************************/
496 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
497 static void spitz_ads7846_wait_for_hsync(void)
498 {
499         while (gpio_get_value(SPITZ_GPIO_HSYNC))
500                 cpu_relax();
501 
502         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
503                 cpu_relax();
504 }
505 
506 static struct ads7846_platform_data spitz_ads7846_info = {
507         .model                  = 7846,
508         .vref_delay_usecs       = 100,
509         .x_plate_ohms           = 419,
510         .y_plate_ohms           = 486,
511         .pressure_max           = 1024,
512         .gpio_pendown           = SPITZ_GPIO_TP_INT,
513         .wait_for_sync          = spitz_ads7846_wait_for_hsync,
514 };
515 
516 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
517         .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
518 };
519 
520 static void spitz_bl_kick_battery(void)
521 {
522         void (*kick_batt)(void);
523 
524         kick_batt = symbol_get(sharpsl_battery_kick);
525         if (kick_batt) {
526                 kick_batt();
527                 symbol_put(sharpsl_battery_kick);
528         }
529 }
530 
531 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
532         .init_mode              = CORGI_LCD_MODE_VGA,
533         .max_intensity          = 0x2f,
534         .default_intensity      = 0x1f,
535         .limit_mask             = 0x0b,
536         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
537         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
538         .kick_battery           = spitz_bl_kick_battery,
539 };
540 
541 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
542         .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
543 };
544 
545 static struct pxa2xx_spi_chip spitz_max1111_chip = {
546         .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
547 };
548 
549 static struct spi_board_info spitz_spi_devices[] = {
550         {
551                 .modalias               = "ads7846",
552                 .max_speed_hz           = 1200000,
553                 .bus_num                = 2,
554                 .chip_select            = 0,
555                 .platform_data          = &spitz_ads7846_info,
556                 .controller_data        = &spitz_ads7846_chip,
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                 .controller_data        = &spitz_lcdcon_chip,
565         }, {
566                 .modalias               = "max1111",
567                 .max_speed_hz           = 450000,
568                 .bus_num                = 2,
569                 .chip_select            = 2,
570                 .controller_data        = &spitz_max1111_chip,
571         },
572 };
573 
574 static struct pxa2xx_spi_master spitz_spi_info = {
575         .num_chipselect = 3,
576 };
577 
578 static void __init spitz_spi_init(void)
579 {
580         struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
581 
582         if (machine_is_akita()) {
583                 lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
584                 lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
585         }
586 
587         pxa2xx_set_spi_info(2, &spitz_spi_info);
588         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
589 }
590 #else
591 static inline void spitz_spi_init(void) {}
592 #endif
593 
594 /******************************************************************************
595  * SD/MMC card controller
596  ******************************************************************************/
597 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
598 /*
599  * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
600  * give the card a chance to fully insert/eject.
601  */
602 static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
603 {
604         struct pxamci_platform_data* p_d = dev->platform_data;
605 
606         if ((1 << vdd) & p_d->ocr_mask)
607                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
608         else
609                 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
610 
611         return 0;
612 }
613 
614 static struct pxamci_platform_data spitz_mci_platform_data = {
615         .detect_delay_ms        = 250,
616         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
617         .setpower               = spitz_mci_setpower,
618         .gpio_card_detect       = SPITZ_GPIO_nSD_DETECT,
619         .gpio_card_ro           = SPITZ_GPIO_nSD_WP,
620         .gpio_power             = -1,
621 };
622 
623 static void __init spitz_mmc_init(void)
624 {
625         pxa_set_mci_info(&spitz_mci_platform_data);
626 }
627 #else
628 static inline void spitz_mmc_init(void) {}
629 #endif
630 
631 /******************************************************************************
632  * USB Host
633  ******************************************************************************/
634 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
635 static int spitz_ohci_init(struct device *dev)
636 {
637         int err;
638 
639         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
640         if (err)
641                 return err;
642 
643         /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
644         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
645 
646         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
647 }
648 
649 static void spitz_ohci_exit(struct device *dev)
650 {
651         gpio_free(SPITZ_GPIO_USB_HOST);
652 }
653 
654 static struct pxaohci_platform_data spitz_ohci_platform_data = {
655         .port_mode      = PMM_NPS_MODE,
656         .init           = spitz_ohci_init,
657         .exit           = spitz_ohci_exit,
658         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
659         .power_budget   = 150,
660 };
661 
662 static void __init spitz_uhc_init(void)
663 {
664         pxa_set_ohci_info(&spitz_ohci_platform_data);
665 }
666 #else
667 static inline void spitz_uhc_init(void) {}
668 #endif
669 
670 /******************************************************************************
671  * IrDA
672  ******************************************************************************/
673 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
674 static struct pxaficp_platform_data spitz_ficp_platform_data = {
675         .transceiver_cap        = IR_SIRMODE | IR_OFF,
676 };
677 
678 static void __init spitz_irda_init(void)
679 {
680         if (machine_is_akita())
681                 spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
682         else
683                 spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
684 
685         pxa_set_ficp_info(&spitz_ficp_platform_data);
686 }
687 #else
688 static inline void spitz_irda_init(void) {}
689 #endif
690 
691 /******************************************************************************
692  * Framebuffer
693  ******************************************************************************/
694 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
695 static struct pxafb_mode_info spitz_pxafb_modes[] = {
696         {
697                 .pixclock       = 19231,
698                 .xres           = 480,
699                 .yres           = 640,
700                 .bpp            = 16,
701                 .hsync_len      = 40,
702                 .left_margin    = 46,
703                 .right_margin   = 125,
704                 .vsync_len      = 3,
705                 .upper_margin   = 1,
706                 .lower_margin   = 0,
707                 .sync           = 0,
708         }, {
709                 .pixclock       = 134617,
710                 .xres           = 240,
711                 .yres           = 320,
712                 .bpp            = 16,
713                 .hsync_len      = 20,
714                 .left_margin    = 20,
715                 .right_margin   = 46,
716                 .vsync_len      = 2,
717                 .upper_margin   = 1,
718                 .lower_margin   = 0,
719                 .sync           = 0,
720         },
721 };
722 
723 static struct pxafb_mach_info spitz_pxafb_info = {
724         .modes          = spitz_pxafb_modes,
725         .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
726         .fixed_modes    = 1,
727         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
728 };
729 
730 static void __init spitz_lcd_init(void)
731 {
732         pxa_set_fb_info(NULL, &spitz_pxafb_info);
733 }
734 #else
735 static inline void spitz_lcd_init(void) {}
736 #endif
737 
738 /******************************************************************************
739  * NAND Flash
740  ******************************************************************************/
741 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
742 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
743 
744 static struct nand_bbt_descr spitz_nand_bbt = {
745         .options        = 0,
746         .offs           = 4,
747         .len            = 2,
748         .pattern        = scan_ff_pattern
749 };
750 
751 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
752                                struct mtd_oob_region *oobregion)
753 {
754         if (section > 12)
755                 return -ERANGE;
756 
757         switch (section % 3) {
758         case 0:
759                 oobregion->offset = 5;
760                 oobregion->length = 1;
761                 break;
762 
763         case 1:
764                 oobregion->offset = 1;
765                 oobregion->length = 3;
766                 break;
767 
768         case 2:
769                 oobregion->offset = 6;
770                 oobregion->length = 2;
771                 break;
772         }
773 
774         oobregion->offset += (section / 3) * 0x10;
775 
776         return 0;
777 }
778 
779 static int akita_ooblayout_free(struct mtd_info *mtd, int section,
780                                 struct mtd_oob_region *oobregion)
781 {
782         if (section)
783                 return -ERANGE;
784 
785         oobregion->offset = 8;
786         oobregion->length = 9;
787 
788         return 0;
789 }
790 
791 static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
792         .ecc = akita_ooblayout_ecc,
793         .free = akita_ooblayout_free,
794 };
795 
796 static const char * const probes[] = {
797         "cmdlinepart",
798         "ofpart",
799         "sharpslpart",
800         NULL,
801 };
802 
803 static struct sharpsl_nand_platform_data spitz_nand_pdata = {
804         .badblock_pattern       = &spitz_nand_bbt,
805         .part_parsers           = probes,
806 };
807 
808 static struct resource spitz_nand_resources[] = {
809         {
810                 .start  = PXA_CS3_PHYS,
811                 .end    = PXA_CS3_PHYS + SZ_4K - 1,
812                 .flags  = IORESOURCE_MEM,
813         },
814 };
815 
816 static struct platform_device spitz_nand_device = {
817         .name           = "sharpsl-nand",
818         .id             = -1,
819         .resource       = spitz_nand_resources,
820         .num_resources  = ARRAY_SIZE(spitz_nand_resources),
821         .dev            = {
822                 .platform_data  = &spitz_nand_pdata,
823         }
824 };
825 
826 static void __init spitz_nand_init(void)
827 {
828         if (machine_is_akita() || machine_is_borzoi()) {
829                 spitz_nand_bbt.len = 1;
830                 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
831         }
832 
833         platform_device_register(&spitz_nand_device);
834 }
835 #else
836 static inline void spitz_nand_init(void) {}
837 #endif
838 
839 /******************************************************************************
840  * NOR Flash
841  ******************************************************************************/
842 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
843 static struct mtd_partition spitz_rom_parts[] = {
844         {
845                 .name   ="Boot PROM Filesystem",
846                 .offset = 0x00140000,
847                 .size   = MTDPART_SIZ_FULL,
848         },
849 };
850 
851 static struct physmap_flash_data spitz_rom_data = {
852         .width          = 2,
853         .nr_parts       = ARRAY_SIZE(spitz_rom_parts),
854         .parts          = spitz_rom_parts,
855 };
856 
857 static struct resource spitz_rom_resources[] = {
858         {
859                 .start  = PXA_CS0_PHYS,
860                 .end    = PXA_CS0_PHYS + SZ_8M - 1,
861                 .flags  = IORESOURCE_MEM,
862         },
863 };
864 
865 static struct platform_device spitz_rom_device = {
866         .name           = "physmap-flash",
867         .id             = -1,
868         .resource       = spitz_rom_resources,
869         .num_resources  = ARRAY_SIZE(spitz_rom_resources),
870         .dev            = {
871                 .platform_data  = &spitz_rom_data,
872         },
873 };
874 
875 static void __init spitz_nor_init(void)
876 {
877         platform_device_register(&spitz_rom_device);
878 }
879 #else
880 static inline void spitz_nor_init(void) {}
881 #endif
882 
883 /******************************************************************************
884  * I2C devices
885  ******************************************************************************/
886 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
887 static struct pca953x_platform_data akita_pca953x_pdata = {
888         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
889 };
890 
891 static struct i2c_board_info spitz_i2c_devs[] = {
892         {
893                 .type           = "wm8750",
894                 .addr           = 0x1b,
895         }, {
896                 .type           = "max7310",
897                 .addr           = 0x18,
898                 .platform_data  = &akita_pca953x_pdata,
899         },
900 };
901 
902 static struct regulator_consumer_supply isl6271a_consumers[] = {
903         REGULATOR_SUPPLY("vcc_core", NULL),
904 };
905 
906 static struct regulator_init_data isl6271a_info[] = {
907         {
908                 .constraints = {
909                         .name           = "vcc_core range",
910                         .min_uV         = 850000,
911                         .max_uV         = 1600000,
912                         .always_on      = 1,
913                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
914                 },
915         .consumer_supplies      = isl6271a_consumers,
916         .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
917         }
918 };
919 
920 static struct i2c_board_info spitz_pi2c_devs[] = {
921         {
922                 .type           = "isl6271a",
923                 .addr           = 0x0c,
924                 .platform_data  = &isl6271a_info,
925         },
926 };
927 
928 static void __init spitz_i2c_init(void)
929 {
930         int size = ARRAY_SIZE(spitz_i2c_devs);
931 
932         /* Only Akita has the max7310 chip */
933         if (!machine_is_akita())
934                 size--;
935 
936         pxa_set_i2c_info(NULL);
937         pxa27x_set_i2c_power_info(NULL);
938         i2c_register_board_info(0, spitz_i2c_devs, size);
939         i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
940 }
941 #else
942 static inline void spitz_i2c_init(void) {}
943 #endif
944 
945 /******************************************************************************
946  * Audio devices
947  ******************************************************************************/
948 static inline void spitz_audio_init(void)
949 {
950         platform_device_register_simple("spitz-audio", -1, NULL, 0);
951 }
952 
953 /******************************************************************************
954  * Machine init
955  ******************************************************************************/
956 static void spitz_poweroff(void)
957 {
958         pxa_restart(REBOOT_GPIO, NULL);
959 }
960 
961 static void spitz_restart(enum reboot_mode mode, const char *cmd)
962 {
963         uint32_t msc0 = __raw_readl(MSC0);
964         /* Bootloader magic for a reboot */
965         if ((msc0 & 0xffff0000) == 0x7ff00000)
966                 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
967 
968         spitz_poweroff();
969 }
970 
971 static void __init spitz_init(void)
972 {
973         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
974         pm_power_off = spitz_poweroff;
975 
976         PMCR = 0x00;
977 
978         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
979         PCFR |= PCFR_OPDE;
980 
981         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
982 
983         pxa_set_ffuart_info(NULL);
984         pxa_set_btuart_info(NULL);
985         pxa_set_stuart_info(NULL);
986 
987         spitz_spi_init();
988         spitz_scoop_init();
989         spitz_mkp_init();
990         spitz_keys_init();
991         spitz_leds_init();
992         spitz_mmc_init();
993         spitz_pcmcia_init();
994         spitz_irda_init();
995         spitz_uhc_init();
996         spitz_lcd_init();
997         spitz_nor_init();
998         spitz_nand_init();
999         spitz_i2c_init();
1000         spitz_audio_init();
1001 
1002         regulator_has_full_constraints();
1003 }
1004 
1005 static void __init spitz_fixup(struct tag *tags, char **cmdline)
1006 {
1007         sharpsl_save_param();
1008         memblock_add(0xa0000000, SZ_64M);
1009 }
1010 
1011 #ifdef CONFIG_MACH_SPITZ
1012 MACHINE_START(SPITZ, "SHARP Spitz")
1013         .fixup          = spitz_fixup,
1014         .map_io         = pxa27x_map_io,
1015         .nr_irqs        = PXA_NR_IRQS,
1016         .init_irq       = pxa27x_init_irq,
1017         .handle_irq     = pxa27x_handle_irq,
1018         .init_machine   = spitz_init,
1019         .init_time      = pxa_timer_init,
1020         .restart        = spitz_restart,
1021 MACHINE_END
1022 #endif
1023 
1024 #ifdef CONFIG_MACH_BORZOI
1025 MACHINE_START(BORZOI, "SHARP Borzoi")
1026         .fixup          = spitz_fixup,
1027         .map_io         = pxa27x_map_io,
1028         .nr_irqs        = PXA_NR_IRQS,
1029         .init_irq       = pxa27x_init_irq,
1030         .handle_irq     = pxa27x_handle_irq,
1031         .init_machine   = spitz_init,
1032         .init_time      = pxa_timer_init,
1033         .restart        = spitz_restart,
1034 MACHINE_END
1035 #endif
1036 
1037 #ifdef CONFIG_MACH_AKITA
1038 MACHINE_START(AKITA, "SHARP Akita")
1039         .fixup          = spitz_fixup,
1040         .map_io         = pxa27x_map_io,
1041         .nr_irqs        = PXA_NR_IRQS,
1042         .init_irq       = pxa27x_init_irq,
1043         .handle_irq     = pxa27x_handle_irq,
1044         .init_machine   = spitz_init,
1045         .init_time      = pxa_timer_init,
1046         .restart        = spitz_restart,
1047 MACHINE_END
1048 #endif
1049 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp