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

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

Version: ~ [ linux-5.1-rc5 ] ~ [ linux-5.0.7 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.34 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.111 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.168 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.178 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.138 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.65 ] ~ [ 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-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ 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-C7xx PDAs
  3  * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
  4  *
  5  * Copyright (c) 2004-2005 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/init.h>
 18 #include <linux/platform_device.h>
 19 #include <linux/major.h>
 20 #include <linux/fs.h>
 21 #include <linux/interrupt.h>
 22 #include <linux/leds.h>
 23 #include <linux/mmc/host.h>
 24 #include <linux/mtd/physmap.h>
 25 #include <linux/pm.h>
 26 #include <linux/gpio.h>
 27 #include <linux/gpio/machine.h>
 28 #include <linux/backlight.h>
 29 #include <linux/i2c.h>
 30 #include <linux/platform_data/i2c-pxa.h>
 31 #include <linux/io.h>
 32 #include <linux/regulator/machine.h>
 33 #include <linux/spi/spi.h>
 34 #include <linux/spi/ads7846.h>
 35 #include <linux/spi/corgi_lcd.h>
 36 #include <linux/spi/pxa2xx_spi.h>
 37 #include <linux/mtd/sharpsl.h>
 38 #include <linux/input/matrix_keypad.h>
 39 #include <linux/gpio_keys.h>
 40 #include <linux/memblock.h>
 41 #include <video/w100fb.h>
 42 
 43 #include <asm/setup.h>
 44 #include <asm/memory.h>
 45 #include <asm/mach-types.h>
 46 #include <mach/hardware.h>
 47 #include <asm/irq.h>
 48 
 49 #include <asm/mach/arch.h>
 50 #include <asm/mach/map.h>
 51 #include <asm/mach/irq.h>
 52 
 53 #include "pxa25x.h"
 54 #include <linux/platform_data/irda-pxaficp.h>
 55 #include <linux/platform_data/mmc-pxamci.h>
 56 #include "udc.h"
 57 #include <mach/corgi.h>
 58 #include "sharpsl_pm.h"
 59 
 60 #include <asm/mach/sharpsl_param.h>
 61 #include <asm/hardware/scoop.h>
 62 
 63 #include "generic.h"
 64 #include "devices.h"
 65 
 66 static unsigned long corgi_pin_config[] __initdata = {
 67         /* Static Memory I/O */
 68         GPIO78_nCS_2,   /* w100fb */
 69         GPIO80_nCS_4,   /* scoop */
 70 
 71         /* SSP1 */
 72         GPIO23_SSP1_SCLK,
 73         GPIO25_SSP1_TXD,
 74         GPIO26_SSP1_RXD,
 75         GPIO24_GPIO,    /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
 76 
 77         /* I2S */
 78         GPIO28_I2S_BITCLK_OUT,
 79         GPIO29_I2S_SDATA_IN,
 80         GPIO30_I2S_SDATA_OUT,
 81         GPIO31_I2S_SYNC,
 82         GPIO32_I2S_SYSCLK,
 83 
 84         /* Infra-Red */
 85         GPIO47_FICP_TXD,
 86         GPIO46_FICP_RXD,
 87 
 88         /* FFUART */
 89         GPIO40_FFUART_DTR,
 90         GPIO41_FFUART_RTS,
 91         GPIO39_FFUART_TXD,
 92         GPIO37_FFUART_DSR,
 93         GPIO34_FFUART_RXD,
 94         GPIO35_FFUART_CTS,
 95 
 96         /* PC Card */
 97         GPIO48_nPOE,
 98         GPIO49_nPWE,
 99         GPIO50_nPIOR,
100         GPIO51_nPIOW,
101         GPIO52_nPCE_1,
102         GPIO53_nPCE_2,
103         GPIO54_nPSKTSEL,
104         GPIO55_nPREG,
105         GPIO56_nPWAIT,
106         GPIO57_nIOIS16,
107 
108         /* MMC */
109         GPIO6_MMC_CLK,
110         GPIO8_MMC_CS0,
111 
112         /* GPIO Matrix Keypad */
113         GPIO66_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 0 */
114         GPIO67_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 1 */
115         GPIO68_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 2 */
116         GPIO69_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 3 */
117         GPIO70_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 4 */
118         GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 5 */
119         GPIO72_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 6 */
120         GPIO73_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 7 */
121         GPIO74_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 8 */
122         GPIO75_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 9 */
123         GPIO76_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 10 */
124         GPIO77_GPIO | MFP_LPM_DRIVE_HIGH,       /* column 11 */
125         GPIO58_GPIO,    /* row 0 */
126         GPIO59_GPIO,    /* row 1 */
127         GPIO60_GPIO,    /* row 2 */
128         GPIO61_GPIO,    /* row 3 */
129         GPIO62_GPIO,    /* row 4 */
130         GPIO63_GPIO,    /* row 5 */
131         GPIO64_GPIO,    /* row 6 */
132         GPIO65_GPIO,    /* row 7 */
133 
134         /* GPIO */
135         GPIO9_GPIO,                             /* CORGI_GPIO_nSD_DETECT */
136         GPIO7_GPIO,                             /* CORGI_GPIO_nSD_WP */
137         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* CORGI_GPIO_MAIN_BAT_{LOW,COVER} */
138         GPIO13_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_LED_ORANGE */
139         GPIO21_GPIO,                            /* CORGI_GPIO_ADC_TEMP */
140         GPIO22_GPIO,                            /* CORGI_GPIO_IR_ON */
141         GPIO33_GPIO,                            /* CORGI_GPIO_SD_PWR */
142         GPIO38_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_CHRG_ON */
143         GPIO43_GPIO | MFP_LPM_KEEP_OUTPUT,      /* CORGI_GPIO_CHRG_UKN */
144         GPIO44_GPIO,                            /* CORGI_GPIO_HSYNC */
145 
146         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* CORGI_GPIO_KEY_INT */
147         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,       /* CORGI_GPIO_AC_IN */
148         GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH,       /* CORGI_GPIO_WAKEUP */
149 };
150 
151 /*
152  * Corgi SCOOP Device
153  */
154 static struct resource corgi_scoop_resources[] = {
155         [0] = {
156                 .start          = 0x10800000,
157                 .end            = 0x10800fff,
158                 .flags          = IORESOURCE_MEM,
159         },
160 };
161 
162 static struct scoop_config corgi_scoop_setup = {
163         .io_dir         = CORGI_SCOOP_IO_DIR,
164         .io_out         = CORGI_SCOOP_IO_OUT,
165         .gpio_base      = CORGI_SCOOP_GPIO_BASE,
166 };
167 
168 struct platform_device corgiscoop_device = {
169         .name           = "sharp-scoop",
170         .id             = -1,
171         .dev            = {
172                 .platform_data  = &corgi_scoop_setup,
173         },
174         .num_resources  = ARRAY_SIZE(corgi_scoop_resources),
175         .resource       = corgi_scoop_resources,
176 };
177 
178 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
179 {
180         .dev        = &corgiscoop_device.dev,
181         .irq        = CORGI_IRQ_GPIO_CF_IRQ,
182         .cd_irq     = CORGI_IRQ_GPIO_CF_CD,
183         .cd_irq_str = "PCMCIA0 CD",
184 },
185 };
186 
187 static struct scoop_pcmcia_config corgi_pcmcia_config = {
188         .devs         = &corgi_pcmcia_scoop[0],
189         .num_devs     = 1,
190 };
191 
192 static struct w100_mem_info corgi_fb_mem = {
193         .ext_cntl          = 0x00040003,
194         .sdram_mode_reg    = 0x00650021,
195         .ext_timing_cntl   = 0x10002a4a,
196         .io_cntl           = 0x7ff87012,
197         .size              = 0x1fffff,
198 };
199 
200 static struct w100_gen_regs corgi_fb_regs = {
201         .lcd_format    = 0x00000003,
202         .lcdd_cntl1    = 0x01CC0000,
203         .lcdd_cntl2    = 0x0003FFFF,
204         .genlcd_cntl1  = 0x00FFFF0D,
205         .genlcd_cntl2  = 0x003F3003,
206         .genlcd_cntl3  = 0x000102aa,
207 };
208 
209 static struct w100_gpio_regs corgi_fb_gpio = {
210         .init_data1   = 0x000000bf,
211         .init_data2   = 0x00000000,
212         .gpio_dir1    = 0x00000000,
213         .gpio_oe1     = 0x03c0feff,
214         .gpio_dir2    = 0x00000000,
215         .gpio_oe2     = 0x00000000,
216 };
217 
218 static struct w100_mode corgi_fb_modes[] = {
219 {
220         .xres            = 480,
221         .yres            = 640,
222         .left_margin     = 0x56,
223         .right_margin    = 0x55,
224         .upper_margin    = 0x03,
225         .lower_margin    = 0x00,
226         .crtc_ss         = 0x82360056,
227         .crtc_ls         = 0xA0280000,
228         .crtc_gs         = 0x80280028,
229         .crtc_vpos_gs    = 0x02830002,
230         .crtc_rev        = 0x00400008,
231         .crtc_dclk       = 0xA0000000,
232         .crtc_gclk       = 0x8015010F,
233         .crtc_goe        = 0x80100110,
234         .crtc_ps1_active = 0x41060010,
235         .pll_freq        = 75,
236         .fast_pll_freq   = 100,
237         .sysclk_src      = CLK_SRC_PLL,
238         .sysclk_divider  = 0,
239         .pixclk_src      = CLK_SRC_PLL,
240         .pixclk_divider  = 2,
241         .pixclk_divider_rotated = 6,
242 },{
243         .xres            = 240,
244         .yres            = 320,
245         .left_margin     = 0x27,
246         .right_margin    = 0x2e,
247         .upper_margin    = 0x01,
248         .lower_margin    = 0x00,
249         .crtc_ss         = 0x81170027,
250         .crtc_ls         = 0xA0140000,
251         .crtc_gs         = 0xC0140014,
252         .crtc_vpos_gs    = 0x00010141,
253         .crtc_rev        = 0x00400008,
254         .crtc_dclk       = 0xA0000000,
255         .crtc_gclk       = 0x8015010F,
256         .crtc_goe        = 0x80100110,
257         .crtc_ps1_active = 0x41060010,
258         .pll_freq        = 0,
259         .fast_pll_freq   = 0,
260         .sysclk_src      = CLK_SRC_XTAL,
261         .sysclk_divider  = 0,
262         .pixclk_src      = CLK_SRC_XTAL,
263         .pixclk_divider  = 1,
264         .pixclk_divider_rotated = 1,
265 },
266 
267 };
268 
269 static struct w100fb_mach_info corgi_fb_info = {
270         .init_mode  = INIT_MODE_ROTATED,
271         .mem        = &corgi_fb_mem,
272         .regs       = &corgi_fb_regs,
273         .modelist   = &corgi_fb_modes[0],
274         .num_modes  = 2,
275         .gpio       = &corgi_fb_gpio,
276         .xtal_freq  = 12500000,
277         .xtal_dbl   = 0,
278 };
279 
280 static struct resource corgi_fb_resources[] = {
281         [0] = {
282                 .start   = 0x08000000,
283                 .end     = 0x08ffffff,
284                 .flags   = IORESOURCE_MEM,
285         },
286 };
287 
288 static struct platform_device corgifb_device = {
289         .name           = "w100fb",
290         .id             = -1,
291         .num_resources  = ARRAY_SIZE(corgi_fb_resources),
292         .resource       = corgi_fb_resources,
293         .dev            = {
294                 .platform_data = &corgi_fb_info,
295         },
296 
297 };
298 
299 /*
300  * Corgi Keyboard Device
301  */
302 #define CORGI_KEY_CALENDER      KEY_F1
303 #define CORGI_KEY_ADDRESS       KEY_F2
304 #define CORGI_KEY_FN            KEY_F3
305 #define CORGI_KEY_CANCEL        KEY_F4
306 #define CORGI_KEY_OFF           KEY_SUSPEND
307 #define CORGI_KEY_EXOK          KEY_F5
308 #define CORGI_KEY_EXCANCEL      KEY_F6
309 #define CORGI_KEY_EXJOGDOWN     KEY_F7
310 #define CORGI_KEY_EXJOGUP       KEY_F8
311 #define CORGI_KEY_JAP1          KEY_LEFTCTRL
312 #define CORGI_KEY_JAP2          KEY_LEFTALT
313 #define CORGI_KEY_MAIL          KEY_F10
314 #define CORGI_KEY_OK            KEY_F11
315 #define CORGI_KEY_MENU          KEY_F12
316 
317 static const uint32_t corgikbd_keymap[] = {
318         KEY(0, 1, KEY_1),
319         KEY(0, 2, KEY_3),
320         KEY(0, 3, KEY_5),
321         KEY(0, 4, KEY_6),
322         KEY(0, 5, KEY_7),
323         KEY(0, 6, KEY_9),
324         KEY(0, 7, KEY_0),
325         KEY(0, 8, KEY_BACKSPACE),
326         KEY(1, 1, KEY_2),
327         KEY(1, 2, KEY_4),
328         KEY(1, 3, KEY_R),
329         KEY(1, 4, KEY_Y),
330         KEY(1, 5, KEY_8),
331         KEY(1, 6, KEY_I),
332         KEY(1, 7, KEY_O),
333         KEY(1, 8, KEY_P),
334         KEY(2, 0, KEY_TAB),
335         KEY(2, 1, KEY_Q),
336         KEY(2, 2, KEY_E),
337         KEY(2, 3, KEY_T),
338         KEY(2, 4, KEY_G),
339         KEY(2, 5, KEY_U),
340         KEY(2, 6, KEY_J),
341         KEY(2, 7, KEY_K),
342         KEY(3, 0, CORGI_KEY_CALENDER),
343         KEY(3, 1, KEY_W),
344         KEY(3, 2, KEY_S),
345         KEY(3, 3, KEY_F),
346         KEY(3, 4, KEY_V),
347         KEY(3, 5, KEY_H),
348         KEY(3, 6, KEY_M),
349         KEY(3, 7, KEY_L),
350         KEY(3, 9, KEY_RIGHTSHIFT),
351         KEY(4, 0, CORGI_KEY_ADDRESS),
352         KEY(4, 1, KEY_A),
353         KEY(4, 2, KEY_D),
354         KEY(4, 3, KEY_C),
355         KEY(4, 4, KEY_B),
356         KEY(4, 5, KEY_N),
357         KEY(4, 6, KEY_DOT),
358         KEY(4, 8, KEY_ENTER),
359         KEY(4, 10, KEY_LEFTSHIFT),
360         KEY(5, 0, CORGI_KEY_MAIL),
361         KEY(5, 1, KEY_Z),
362         KEY(5, 2, KEY_X),
363         KEY(5, 3, KEY_MINUS),
364         KEY(5, 4, KEY_SPACE),
365         KEY(5, 5, KEY_COMMA),
366         KEY(5, 7, KEY_UP),
367         KEY(5, 11, CORGI_KEY_FN),
368         KEY(6, 0, KEY_SYSRQ),
369         KEY(6, 1, CORGI_KEY_JAP1),
370         KEY(6, 2, CORGI_KEY_JAP2),
371         KEY(6, 3, CORGI_KEY_CANCEL),
372         KEY(6, 4, CORGI_KEY_OK),
373         KEY(6, 5, CORGI_KEY_MENU),
374         KEY(6, 6, KEY_LEFT),
375         KEY(6, 7, KEY_DOWN),
376         KEY(6, 8, KEY_RIGHT),
377         KEY(7, 0, CORGI_KEY_OFF),
378         KEY(7, 1, CORGI_KEY_EXOK),
379         KEY(7, 2, CORGI_KEY_EXCANCEL),
380         KEY(7, 3, CORGI_KEY_EXJOGDOWN),
381         KEY(7, 4, CORGI_KEY_EXJOGUP),
382 };
383 
384 static struct matrix_keymap_data corgikbd_keymap_data = {
385         .keymap         = corgikbd_keymap,
386         .keymap_size    = ARRAY_SIZE(corgikbd_keymap),
387 };
388 
389 static const int corgikbd_row_gpios[] =
390                 { 58, 59, 60, 61, 62, 63, 64, 65 };
391 static const int corgikbd_col_gpios[] =
392                 { 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
393 
394 static struct matrix_keypad_platform_data corgikbd_pdata = {
395         .keymap_data            = &corgikbd_keymap_data,
396         .row_gpios              = corgikbd_row_gpios,
397         .col_gpios              = corgikbd_col_gpios,
398         .num_row_gpios          = ARRAY_SIZE(corgikbd_row_gpios),
399         .num_col_gpios          = ARRAY_SIZE(corgikbd_col_gpios),
400         .col_scan_delay_us      = 10,
401         .debounce_ms            = 10,
402         .wakeup                 = 1,
403 };
404 
405 static struct platform_device corgikbd_device = {
406         .name           = "matrix-keypad",
407         .id             = -1,
408         .dev            = {
409                 .platform_data = &corgikbd_pdata,
410         },
411 };
412 
413 static struct gpio_keys_button corgi_gpio_keys[] = {
414         {
415                 .type   = EV_SW,
416                 .code   = SW_LID,
417                 .gpio   = CORGI_GPIO_SWA,
418                 .desc   = "Lid close switch",
419                 .debounce_interval = 500,
420         },
421         {
422                 .type   = EV_SW,
423                 .code   = SW_TABLET_MODE,
424                 .gpio   = CORGI_GPIO_SWB,
425                 .desc   = "Tablet mode switch",
426                 .debounce_interval = 500,
427         },
428         {
429                 .type   = EV_SW,
430                 .code   = SW_HEADPHONE_INSERT,
431                 .gpio   = CORGI_GPIO_AK_INT,
432                 .desc   = "HeadPhone insert",
433                 .debounce_interval = 500,
434         },
435 };
436 
437 static struct gpio_keys_platform_data corgi_gpio_keys_platform_data = {
438         .buttons        = corgi_gpio_keys,
439         .nbuttons       = ARRAY_SIZE(corgi_gpio_keys),
440         .poll_interval  = 250,
441 };
442 
443 static struct platform_device corgi_gpio_keys_device = {
444         .name   = "gpio-keys-polled",
445         .id     = -1,
446         .dev    = {
447                 .platform_data  = &corgi_gpio_keys_platform_data,
448         },
449 };
450 
451 /*
452  * Corgi LEDs
453  */
454 static struct gpio_led corgi_gpio_leds[] = {
455         {
456                 .name                   = "corgi:amber:charge",
457                 .default_trigger        = "sharpsl-charge",
458                 .gpio                   = CORGI_GPIO_LED_ORANGE,
459         },
460         {
461                 .name                   = "corgi:green:mail",
462                 .default_trigger        = "nand-disk",
463                 .gpio                   = CORGI_GPIO_LED_GREEN,
464         },
465 };
466 
467 static struct gpio_led_platform_data corgi_gpio_leds_info = {
468         .leds           = corgi_gpio_leds,
469         .num_leds       = ARRAY_SIZE(corgi_gpio_leds),
470 };
471 
472 static struct platform_device corgiled_device = {
473         .name           = "leds-gpio",
474         .id             = -1,
475         .dev            = {
476                 .platform_data = &corgi_gpio_leds_info,
477         },
478 };
479 
480 /*
481  * Corgi Audio
482  */
483 static struct platform_device corgi_audio_device = {
484         .name   = "corgi-audio",
485         .id     = -1,
486 };
487 
488 /*
489  * MMC/SD Device
490  *
491  * The card detect interrupt isn't debounced so we delay it by 250ms
492  * to give the card a chance to fully insert/eject.
493  */
494 static struct pxamci_platform_data corgi_mci_platform_data = {
495         .detect_delay_ms        = 250,
496         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
497 };
498 
499 static struct gpiod_lookup_table corgi_mci_gpio_table = {
500         .dev_id = "pxa2xx-mci.0",
501         .table = {
502                 /* Card detect on GPIO 9 */
503                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_DETECT,
504                             "cd", GPIO_ACTIVE_LOW),
505                 /* Write protect on GPIO 7 */
506                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_nSD_WP,
507                             "wp", GPIO_ACTIVE_LOW),
508                 /* Power on GPIO 33 */
509                 GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_SD_PWR,
510                             "power", GPIO_ACTIVE_HIGH),
511                 { },
512         },
513 };
514 
515 /*
516  * Irda
517  */
518 static struct pxaficp_platform_data corgi_ficp_platform_data = {
519         .gpio_pwdown            = CORGI_GPIO_IR_ON,
520         .transceiver_cap        = IR_SIRMODE | IR_OFF,
521 };
522 
523 
524 /*
525  * USB Device Controller
526  */
527 static struct pxa2xx_udc_mach_info udc_info __initdata = {
528         /* no connect GPIO; corgi can't tell connection status */
529         .gpio_pullup            = CORGI_GPIO_USB_PULLUP,
530 };
531 
532 #if IS_ENABLED(CONFIG_SPI_PXA2XX)
533 static struct pxa2xx_spi_controller corgi_spi_info = {
534         .num_chipselect = 3,
535 };
536 
537 static void corgi_wait_for_hsync(void)
538 {
539         while (gpio_get_value(CORGI_GPIO_HSYNC))
540                 cpu_relax();
541 
542         while (!gpio_get_value(CORGI_GPIO_HSYNC))
543                 cpu_relax();
544 }
545 
546 static struct ads7846_platform_data corgi_ads7846_info = {
547         .model                  = 7846,
548         .vref_delay_usecs       = 100,
549         .x_plate_ohms           = 419,
550         .y_plate_ohms           = 486,
551         .gpio_pendown           = CORGI_GPIO_TP_INT,
552         .wait_for_sync          = corgi_wait_for_hsync,
553 };
554 
555 static struct pxa2xx_spi_chip corgi_ads7846_chip = {
556         .gpio_cs        = CORGI_GPIO_ADS7846_CS,
557 };
558 
559 static void corgi_bl_kick_battery(void)
560 {
561         void (*kick_batt)(void);
562 
563         kick_batt = symbol_get(sharpsl_battery_kick);
564         if (kick_batt) {
565                 kick_batt();
566                 symbol_put(sharpsl_battery_kick);
567         }
568 }
569 
570 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
571         .init_mode              = CORGI_LCD_MODE_VGA,
572         .max_intensity          = 0x2f,
573         .default_intensity      = 0x1f,
574         .limit_mask             = 0x0b,
575         .gpio_backlight_cont    = CORGI_GPIO_BACKLIGHT_CONT,
576         .gpio_backlight_on      = -1,
577         .kick_battery           = corgi_bl_kick_battery,
578 };
579 
580 static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
581         .gpio_cs        = CORGI_GPIO_LCDCON_CS,
582 };
583 
584 static struct pxa2xx_spi_chip corgi_max1111_chip = {
585         .gpio_cs        = CORGI_GPIO_MAX1111_CS,
586 };
587 
588 static struct spi_board_info corgi_spi_devices[] = {
589         {
590                 .modalias       = "ads7846",
591                 .max_speed_hz   = 1200000,
592                 .bus_num        = 1,
593                 .chip_select    = 0,
594                 .platform_data  = &corgi_ads7846_info,
595                 .controller_data= &corgi_ads7846_chip,
596                 .irq            = PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
597         }, {
598                 .modalias       = "corgi-lcd",
599                 .max_speed_hz   = 50000,
600                 .bus_num        = 1,
601                 .chip_select    = 1,
602                 .platform_data  = &corgi_lcdcon_info,
603                 .controller_data= &corgi_lcdcon_chip,
604         }, {
605                 .modalias       = "max1111",
606                 .max_speed_hz   = 450000,
607                 .bus_num        = 1,
608                 .chip_select    = 2,
609                 .controller_data= &corgi_max1111_chip,
610         },
611 };
612 
613 static void __init corgi_init_spi(void)
614 {
615         pxa2xx_set_spi_info(1, &corgi_spi_info);
616         spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
617 }
618 #else
619 static inline void corgi_init_spi(void) {}
620 #endif
621 
622 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
623 
624 static struct nand_bbt_descr sharpsl_bbt = {
625         .options = 0,
626         .offs = 4,
627         .len = 2,
628         .pattern = scan_ff_pattern
629 };
630 
631 static const char * const probes[] = {
632         "cmdlinepart",
633         "ofpart",
634         "sharpslpart",
635         NULL,
636 };
637 
638 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
639         .badblock_pattern       = &sharpsl_bbt,
640         .part_parsers           = probes,
641 };
642 
643 static struct resource sharpsl_nand_resources[] = {
644         {
645                 .start  = 0x0C000000,
646                 .end    = 0x0C000FFF,
647                 .flags  = IORESOURCE_MEM,
648         },
649 };
650 
651 static struct platform_device sharpsl_nand_device = {
652         .name           = "sharpsl-nand",
653         .id             = -1,
654         .resource       = sharpsl_nand_resources,
655         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
656         .dev.platform_data      = &sharpsl_nand_platform_data,
657 };
658 
659 static struct mtd_partition sharpsl_rom_parts[] = {
660         {
661                 .name   ="Boot PROM Filesystem",
662                 .offset = 0x00120000,
663                 .size   = MTDPART_SIZ_FULL,
664         },
665 };
666 
667 static struct physmap_flash_data sharpsl_rom_data = {
668         .width          = 2,
669         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
670         .parts          = sharpsl_rom_parts,
671 };
672 
673 static struct resource sharpsl_rom_resources[] = {
674         {
675                 .start  = 0x00000000,
676                 .end    = 0x007fffff,
677                 .flags  = IORESOURCE_MEM,
678         },
679 };
680 
681 static struct platform_device sharpsl_rom_device = {
682         .name   = "physmap-flash",
683         .id     = -1,
684         .resource = sharpsl_rom_resources,
685         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
686         .dev.platform_data = &sharpsl_rom_data,
687 };
688 
689 static struct platform_device *devices[] __initdata = {
690         &corgiscoop_device,
691         &corgifb_device,
692         &corgi_gpio_keys_device,
693         &corgikbd_device,
694         &corgiled_device,
695         &corgi_audio_device,
696         &sharpsl_nand_device,
697         &sharpsl_rom_device,
698 };
699 
700 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
701         { I2C_BOARD_INFO("wm8731", 0x1b) },
702 };
703 
704 static void corgi_poweroff(void)
705 {
706         if (!machine_is_corgi())
707                 /* Green LED off tells the bootloader to halt */
708                 gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
709 
710         pxa_restart(REBOOT_HARD, NULL);
711 }
712 
713 static void corgi_restart(enum reboot_mode mode, const char *cmd)
714 {
715         if (!machine_is_corgi())
716                 /* Green LED on tells the bootloader to reboot */
717                 gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
718 
719         pxa_restart(REBOOT_HARD, cmd);
720 }
721 
722 static void __init corgi_init(void)
723 {
724         pm_power_off = corgi_poweroff;
725 
726         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
727         PCFR |= PCFR_OPDE;
728 
729         pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
730 
731         /* allow wakeup from various GPIOs */
732         gpio_set_wake(CORGI_GPIO_KEY_INT, 1);
733         gpio_set_wake(CORGI_GPIO_WAKEUP, 1);
734         gpio_set_wake(CORGI_GPIO_AC_IN, 1);
735         gpio_set_wake(CORGI_GPIO_CHRG_FULL, 1);
736 
737         if (!machine_is_corgi())
738                 gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW, 1);
739 
740         pxa_set_ffuart_info(NULL);
741         pxa_set_btuart_info(NULL);
742         pxa_set_stuart_info(NULL);
743 
744         corgi_init_spi();
745 
746         pxa_set_udc_info(&udc_info);
747         gpiod_add_lookup_table(&corgi_mci_gpio_table);
748         pxa_set_mci_info(&corgi_mci_platform_data);
749         pxa_set_ficp_info(&corgi_ficp_platform_data);
750         pxa_set_i2c_info(NULL);
751         i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
752 
753         platform_scoop_config = &corgi_pcmcia_config;
754 
755         platform_add_devices(devices, ARRAY_SIZE(devices));
756 
757         regulator_has_full_constraints();
758 }
759 
760 static void __init fixup_corgi(struct tag *tags, char **cmdline)
761 {
762         sharpsl_save_param();
763         if (machine_is_corgi())
764                 memblock_add(0xa0000000, SZ_32M);
765         else
766                 memblock_add(0xa0000000, SZ_64M);
767 }
768 
769 #ifdef CONFIG_MACH_CORGI
770 MACHINE_START(CORGI, "SHARP Corgi")
771         .fixup          = fixup_corgi,
772         .map_io         = pxa25x_map_io,
773         .nr_irqs        = PXA_NR_IRQS,
774         .init_irq       = pxa25x_init_irq,
775         .handle_irq     = pxa25x_handle_irq,
776         .init_machine   = corgi_init,
777         .init_time      = pxa_timer_init,
778         .restart        = corgi_restart,
779 MACHINE_END
780 #endif
781 
782 #ifdef CONFIG_MACH_SHEPHERD
783 MACHINE_START(SHEPHERD, "SHARP Shepherd")
784         .fixup          = fixup_corgi,
785         .map_io         = pxa25x_map_io,
786         .nr_irqs        = PXA_NR_IRQS,
787         .init_irq       = pxa25x_init_irq,
788         .handle_irq     = pxa25x_handle_irq,
789         .init_machine   = corgi_init,
790         .init_time      = pxa_timer_init,
791         .restart        = corgi_restart,
792 MACHINE_END
793 #endif
794 
795 #ifdef CONFIG_MACH_HUSKY
796 MACHINE_START(HUSKY, "SHARP Husky")
797         .fixup          = fixup_corgi,
798         .map_io         = pxa25x_map_io,
799         .nr_irqs        = PXA_NR_IRQS,
800         .init_irq       = pxa25x_init_irq,
801         .handle_irq     = pxa25x_handle_irq,
802         .init_machine   = corgi_init,
803         .init_time      = pxa_timer_init,
804         .restart        = corgi_restart,
805 MACHINE_END
806 #endif
807 
808 

~ [ 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