1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Support for Sharp SL-Cxx00 Series of PDAs 4 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) 5 * 6 * Copyright (c) 2005 Richard Purdie 7 * 8 * Based on Sharp's 2.4 kernel patches/lubbock.c 9 */ 10 11 #include <linux/kernel.h> 12 #include <linux/module.h> /* symbol_get ; symbol_put */ 13 #include <linux/platform_device.h> 14 #include <linux/delay.h> 15 #include <linux/gpio_keys.h> 16 #include <linux/gpio.h> 17 #include <linux/gpio/machine.h> 18 #include <linux/leds.h> 19 #include <linux/i2c.h> 20 #include <linux/platform_data/i2c-pxa.h> 21 #include <linux/platform_data/pca953x.h> 22 #include <linux/spi/spi.h> 23 #include <linux/spi/ads7846.h> 24 #include <linux/spi/corgi_lcd.h> 25 #include <linux/spi/pxa2xx_spi.h> 26 #include <linux/mtd/sharpsl.h> 27 #include <linux/mtd/physmap.h> 28 #include <linux/input-event-codes.h> 29 #include <linux/input/matrix_keypad.h> 30 #include <linux/regulator/machine.h> 31 #include <linux/io.h> 32 #include <linux/reboot.h> 33 #include <linux/memblock.h> 34 35 #include <asm/setup.h> 36 #include <asm/mach-types.h> 37 #include <asm/mach/arch.h> 38 #include <asm/mach/sharpsl_param.h> 39 #include <asm/hardware/scoop.h> 40 41 #include "pxa27x.h" 42 #include "pxa27x-udc.h" 43 #include "reset.h" 44 #include <linux/platform_data/mmc-pxamci.h> 45 #include <linux/platform_data/usb-ohci-pxa27x.h> 46 #include <linux/platform_data/video-pxafb.h> 47 #include "spitz.h" 48 #include "sharpsl_pm.h" 49 #include "smemc.h" 50 51 #include "generic.h" 52 #include "devices.h" 53 54 /****************************************************************************** 55 * Pin configuration 56 ******************************************************************************/ 57 static unsigned long spitz_pin_config[] __initdata = { 58 /* Chip Selects */ 59 GPIO78_nCS_2, /* SCOOP #2 */ 60 GPIO79_nCS_3, /* NAND */ 61 GPIO80_nCS_4, /* SCOOP #1 */ 62 63 /* LCD - 16bpp Active TFT */ 64 GPIOxx_LCD_TFT_16BPP, 65 66 /* PC Card */ 67 GPIO48_nPOE, 68 GPIO49_nPWE, 69 GPIO50_nPIOR, 70 GPIO51_nPIOW, 71 GPIO85_nPCE_1, 72 GPIO54_nPCE_2, 73 GPIO55_nPREG, 74 GPIO56_nPWAIT, 75 GPIO57_nIOIS16, 76 GPIO104_PSKTSEL, 77 78 /* I2S */ 79 GPIO28_I2S_BITCLK_OUT, 80 GPIO29_I2S_SDATA_IN, 81 GPIO30_I2S_SDATA_OUT, 82 GPIO31_I2S_SYNC, 83 84 /* MMC */ 85 GPIO32_MMC_CLK, 86 GPIO112_MMC_CMD, 87 GPIO92_MMC_DAT_0, 88 GPIO109_MMC_DAT_1, 89 GPIO110_MMC_DAT_2, 90 GPIO111_MMC_DAT_3, 91 92 /* GPIOs */ 93 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ 94 GPIO16_GPIO, /* SPITZ_GPIO_SYNC */ 95 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ 96 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ 97 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ 98 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ 99 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ 100 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ 101 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ 102 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ 103 104 /* GPIO matrix keypad */ 105 GPIO88_GPIO, /* column 0 */ 106 GPIO23_GPIO, /* column 1 */ 107 GPIO24_GPIO, /* column 2 */ 108 GPIO25_GPIO, /* column 3 */ 109 GPIO26_GPIO, /* column 4 */ 110 GPIO27_GPIO, /* column 5 */ 111 GPIO52_GPIO, /* column 6 */ 112 GPIO103_GPIO, /* column 7 */ 113 GPIO107_GPIO, /* column 8 */ 114 GPIO108_GPIO, /* column 9 */ 115 GPIO114_GPIO, /* column 10 */ 116 GPIO12_GPIO, /* row 0 */ 117 GPIO17_GPIO, /* row 1 */ 118 GPIO91_GPIO, /* row 2 */ 119 GPIO34_GPIO, /* row 3 */ 120 GPIO36_GPIO, /* row 4 */ 121 GPIO38_GPIO, /* row 5 */ 122 GPIO39_GPIO, /* row 6 */ 123 124 /* I2C */ 125 GPIO117_I2C_SCL, 126 GPIO118_I2C_SDA, 127 128 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */ 129 GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */ 130 }; 131 132 133 /****************************************************************************** 134 * Scoop GPIO expander 135 ******************************************************************************/ 136 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) 137 /* SCOOP Device #1 */ 138 static struct resource spitz_scoop_1_resources[] = { 139 [0] = { 140 .start = 0x10800000, 141 .end = 0x10800fff, 142 .flags = IORESOURCE_MEM, 143 }, 144 }; 145 146 static struct scoop_config spitz_scoop_1_setup = { 147 .io_dir = SPITZ_SCP_IO_DIR, 148 .io_out = SPITZ_SCP_IO_OUT, 149 .suspend_clr = SPITZ_SCP_SUS_CLR, 150 .suspend_set = SPITZ_SCP_SUS_SET, 151 .gpio_base = SPITZ_SCP_GPIO_BASE, 152 }; 153 154 struct platform_device spitz_scoop_1_device = { 155 .name = "sharp-scoop", 156 .id = 0, 157 .dev = { 158 .platform_data = &spitz_scoop_1_setup, 159 }, 160 .num_resources = ARRAY_SIZE(spitz_scoop_1_resources), 161 .resource = spitz_scoop_1_resources, 162 }; 163 164 /* SCOOP Device #2 */ 165 static struct resource spitz_scoop_2_resources[] = { 166 [0] = { 167 .start = 0x08800040, 168 .end = 0x08800fff, 169 .flags = IORESOURCE_MEM, 170 }, 171 }; 172 173 static struct scoop_config spitz_scoop_2_setup = { 174 .io_dir = SPITZ_SCP2_IO_DIR, 175 .io_out = SPITZ_SCP2_IO_OUT, 176 .suspend_clr = SPITZ_SCP2_SUS_CLR, 177 .suspend_set = SPITZ_SCP2_SUS_SET, 178 .gpio_base = SPITZ_SCP2_GPIO_BASE, 179 }; 180 181 struct platform_device spitz_scoop_2_device = { 182 .name = "sharp-scoop", 183 .id = 1, 184 .dev = { 185 .platform_data = &spitz_scoop_2_setup, 186 }, 187 .num_resources = ARRAY_SIZE(spitz_scoop_2_resources), 188 .resource = spitz_scoop_2_resources, 189 }; 190 191 static void __init spitz_scoop_init(void) 192 { 193 platform_device_register(&spitz_scoop_1_device); 194 195 /* Akita doesn't have the second SCOOP chip */ 196 if (!machine_is_akita()) 197 platform_device_register(&spitz_scoop_2_device); 198 } 199 200 /* Power control is shared with between one of the CF slots and SD */ 201 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) 202 { 203 unsigned short cpr; 204 unsigned long flags; 205 206 if (new_cpr & 0x7) { 207 gpio_set_value(SPITZ_GPIO_CF_POWER, 1); 208 mdelay(5); 209 } 210 211 local_irq_save(flags); 212 213 cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR); 214 215 if (enable & new_cpr) 216 cpr |= new_cpr; 217 else 218 cpr &= ~enable; 219 220 write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr); 221 222 local_irq_restore(flags); 223 224 if (!(cpr & 0x7)) { 225 mdelay(1); 226 gpio_set_value(SPITZ_GPIO_CF_POWER, 0); 227 } 228 } 229 230 #else 231 static inline void spitz_scoop_init(void) {} 232 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {} 233 #endif 234 235 /****************************************************************************** 236 * PCMCIA 237 ******************************************************************************/ 238 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) 239 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr) 240 { 241 /* Only need to override behaviour for slot 0 */ 242 if (nr == 0) 243 spitz_card_pwr_ctrl( 244 cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr); 245 else 246 write_scoop_reg(scoop, SCOOP_CPR, cpr); 247 } 248 249 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 250 { 251 .dev = &spitz_scoop_1_device.dev, 252 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 253 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 254 .cd_irq_str = "PCMCIA0 CD", 255 }, { 256 .dev = &spitz_scoop_2_device.dev, 257 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 258 .cd_irq = -1, 259 }, 260 }; 261 262 static struct scoop_pcmcia_config spitz_pcmcia_config = { 263 .devs = &spitz_pcmcia_scoop[0], 264 .num_devs = 2, 265 .power_ctrl = spitz_pcmcia_pwr, 266 }; 267 268 static void __init spitz_pcmcia_init(void) 269 { 270 /* Akita has only one PCMCIA slot used */ 271 if (machine_is_akita()) 272 spitz_pcmcia_config.num_devs = 1; 273 274 platform_scoop_config = &spitz_pcmcia_config; 275 } 276 #else 277 static inline void spitz_pcmcia_init(void) {} 278 #endif 279 280 /****************************************************************************** 281 * GPIO keyboard 282 ******************************************************************************/ 283 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) 284 285 #define SPITZ_KEY_CALENDAR KEY_F1 286 #define SPITZ_KEY_ADDRESS KEY_F2 287 #define SPITZ_KEY_FN KEY_F3 288 #define SPITZ_KEY_CANCEL KEY_F4 289 #define SPITZ_KEY_EXOK KEY_F5 290 #define SPITZ_KEY_EXCANCEL KEY_F6 291 #define SPITZ_KEY_EXJOGDOWN KEY_F7 292 #define SPITZ_KEY_EXJOGUP KEY_F8 293 #define SPITZ_KEY_JAP1 KEY_LEFTALT 294 #define SPITZ_KEY_JAP2 KEY_RIGHTCTRL 295 #define SPITZ_KEY_SYNC KEY_F9 296 #define SPITZ_KEY_MAIL KEY_F10 297 #define SPITZ_KEY_OK KEY_F11 298 #define SPITZ_KEY_MENU KEY_F12 299 300 static const uint32_t spitz_keymap[] = { 301 KEY(0, 0, KEY_LEFTCTRL), 302 KEY(0, 1, KEY_1), 303 KEY(0, 2, KEY_3), 304 KEY(0, 3, KEY_5), 305 KEY(0, 4, KEY_6), 306 KEY(0, 5, KEY_7), 307 KEY(0, 6, KEY_9), 308 KEY(0, 7, KEY_0), 309 KEY(0, 8, KEY_BACKSPACE), 310 KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */ 311 KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */ 312 KEY(1, 1, KEY_2), 313 KEY(1, 2, KEY_4), 314 KEY(1, 3, KEY_R), 315 KEY(1, 4, KEY_Y), 316 KEY(1, 5, KEY_8), 317 KEY(1, 6, KEY_I), 318 KEY(1, 7, KEY_O), 319 KEY(1, 8, KEY_P), 320 KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */ 321 KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */ 322 KEY(2, 0, KEY_TAB), 323 KEY(2, 1, KEY_Q), 324 KEY(2, 2, KEY_E), 325 KEY(2, 3, KEY_T), 326 KEY(2, 4, KEY_G), 327 KEY(2, 5, KEY_U), 328 KEY(2, 6, KEY_J), 329 KEY(2, 7, KEY_K), 330 KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */ 331 KEY(3, 1, KEY_W), 332 KEY(3, 2, KEY_S), 333 KEY(3, 3, KEY_F), 334 KEY(3, 4, KEY_V), 335 KEY(3, 5, KEY_H), 336 KEY(3, 6, KEY_M), 337 KEY(3, 7, KEY_L), 338 KEY(3, 9, KEY_RIGHTSHIFT), 339 KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */ 340 KEY(4, 1, KEY_A), 341 KEY(4, 2, KEY_D), 342 KEY(4, 3, KEY_C), 343 KEY(4, 4, KEY_B), 344 KEY(4, 5, KEY_N), 345 KEY(4, 6, KEY_DOT), 346 KEY(4, 8, KEY_ENTER), 347 KEY(4, 9, KEY_LEFTSHIFT), 348 KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */ 349 KEY(5, 1, KEY_Z), 350 KEY(5, 2, KEY_X), 351 KEY(5, 3, KEY_MINUS), 352 KEY(5, 4, KEY_SPACE), 353 KEY(5, 5, KEY_COMMA), 354 KEY(5, 7, KEY_UP), 355 KEY(5, 10, SPITZ_KEY_FN), /* FN */ 356 KEY(6, 0, KEY_SYSRQ), 357 KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */ 358 KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */ 359 KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */ 360 KEY(6, 4, SPITZ_KEY_OK), /* OK */ 361 KEY(6, 5, SPITZ_KEY_MENU), /* MENU */ 362 KEY(6, 6, KEY_LEFT), 363 KEY(6, 7, KEY_DOWN), 364 KEY(6, 8, KEY_RIGHT), 365 }; 366 367 static const struct matrix_keymap_data spitz_keymap_data = { 368 .keymap = spitz_keymap, 369 .keymap_size = ARRAY_SIZE(spitz_keymap), 370 }; 371 372 static const uint32_t spitz_row_gpios[] = 373 { 12, 17, 91, 34, 36, 38, 39 }; 374 static const uint32_t spitz_col_gpios[] = 375 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 }; 376 377 static struct matrix_keypad_platform_data spitz_mkp_pdata = { 378 .keymap_data = &spitz_keymap_data, 379 .row_gpios = spitz_row_gpios, 380 .col_gpios = spitz_col_gpios, 381 .num_row_gpios = ARRAY_SIZE(spitz_row_gpios), 382 .num_col_gpios = ARRAY_SIZE(spitz_col_gpios), 383 .col_scan_delay_us = 10, 384 .debounce_ms = 10, 385 .wakeup = 1, 386 }; 387 388 static struct platform_device spitz_mkp_device = { 389 .name = "matrix-keypad", 390 .id = -1, 391 .dev = { 392 .platform_data = &spitz_mkp_pdata, 393 }, 394 }; 395 396 static void __init spitz_mkp_init(void) 397 { 398 platform_device_register(&spitz_mkp_device); 399 } 400 #else 401 static inline void spitz_mkp_init(void) {} 402 #endif 403 404 /****************************************************************************** 405 * GPIO keys 406 ******************************************************************************/ 407 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 408 static struct gpio_keys_button spitz_gpio_keys[] = { 409 { 410 .type = EV_PWR, 411 .code = KEY_SUSPEND, 412 .gpio = SPITZ_GPIO_ON_KEY, 413 .desc = "On Off", 414 .wakeup = 1, 415 }, 416 /* Two buttons detecting the lid state */ 417 { 418 .type = EV_SW, 419 .code = 0, 420 .gpio = SPITZ_GPIO_SWA, 421 .desc = "Display Down", 422 }, 423 { 424 .type = EV_SW, 425 .code = 1, 426 .gpio = SPITZ_GPIO_SWB, 427 .desc = "Lid Closed", 428 }, 429 }; 430 431 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = { 432 .buttons = spitz_gpio_keys, 433 .nbuttons = ARRAY_SIZE(spitz_gpio_keys), 434 }; 435 436 static struct platform_device spitz_gpio_keys_device = { 437 .name = "gpio-keys", 438 .id = -1, 439 .dev = { 440 .platform_data = &spitz_gpio_keys_platform_data, 441 }, 442 }; 443 444 static void __init spitz_keys_init(void) 445 { 446 platform_device_register(&spitz_gpio_keys_device); 447 } 448 #else 449 static inline void spitz_keys_init(void) {} 450 #endif 451 452 /****************************************************************************** 453 * LEDs 454 ******************************************************************************/ 455 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) 456 static struct gpio_led spitz_gpio_leds[] = { 457 { 458 .name = "spitz:amber:charge", 459 .default_trigger = "sharpsl-charge", 460 .gpio = SPITZ_GPIO_LED_ORANGE, 461 }, 462 { 463 .name = "spitz:green:hddactivity", 464 .default_trigger = "disk-activity", 465 .gpio = SPITZ_GPIO_LED_GREEN, 466 }, 467 }; 468 469 static struct gpio_led_platform_data spitz_gpio_leds_info = { 470 .leds = spitz_gpio_leds, 471 .num_leds = ARRAY_SIZE(spitz_gpio_leds), 472 }; 473 474 static struct platform_device spitz_led_device = { 475 .name = "leds-gpio", 476 .id = -1, 477 .dev = { 478 .platform_data = &spitz_gpio_leds_info, 479 }, 480 }; 481 482 static void __init spitz_leds_init(void) 483 { 484 platform_device_register(&spitz_led_device); 485 } 486 #else 487 static inline void spitz_leds_init(void) {} 488 #endif 489 490 /****************************************************************************** 491 * SSP Devices 492 ******************************************************************************/ 493 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 494 static void spitz_ads7846_wait_for_hsync(void) 495 { 496 while (gpio_get_value(SPITZ_GPIO_HSYNC)) 497 cpu_relax(); 498 499 while (!gpio_get_value(SPITZ_GPIO_HSYNC)) 500 cpu_relax(); 501 } 502 503 static struct ads7846_platform_data spitz_ads7846_info = { 504 .model = 7846, 505 .vref_delay_usecs = 100, 506 .x_plate_ohms = 419, 507 .y_plate_ohms = 486, 508 .pressure_max = 1024, 509 .wait_for_sync = spitz_ads7846_wait_for_hsync, 510 }; 511 512 static struct gpiod_lookup_table spitz_ads7846_gpio_table = { 513 .dev_id = "spi2.0", 514 .table = { 515 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_TP_INT, 516 "pendown", GPIO_ACTIVE_LOW), 517 { } 518 }, 519 }; 520 521 static void spitz_bl_kick_battery(void) 522 { 523 void (*kick_batt)(void); 524 525 kick_batt = symbol_get(sharpsl_battery_kick); 526 if (kick_batt) { 527 kick_batt(); 528 symbol_put(sharpsl_battery_kick); 529 } 530 } 531 532 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { 533 .dev_id = "spi2.1", 534 .table = { 535 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, 536 "BL_CONT", GPIO_ACTIVE_LOW), 537 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, 538 "BL_ON", GPIO_ACTIVE_HIGH), 539 { }, 540 }, 541 }; 542 543 static struct gpiod_lookup_table akita_lcdcon_gpio_table = { 544 .dev_id = "spi2.1", 545 .table = { 546 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, 547 "BL_CONT", GPIO_ACTIVE_LOW), 548 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, 549 "BL_ON", GPIO_ACTIVE_HIGH), 550 { }, 551 }, 552 }; 553 554 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 555 .init_mode = CORGI_LCD_MODE_VGA, 556 .max_intensity = 0x2f, 557 .default_intensity = 0x1f, 558 .limit_mask = 0x0b, 559 .kick_battery = spitz_bl_kick_battery, 560 }; 561 562 static struct spi_board_info spitz_spi_devices[] = { 563 { 564 .modalias = "ads7846", 565 .max_speed_hz = 1200000, 566 .bus_num = 2, 567 .chip_select = 0, 568 .platform_data = &spitz_ads7846_info, 569 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), 570 }, { 571 .modalias = "corgi-lcd", 572 .max_speed_hz = 50000, 573 .bus_num = 2, 574 .chip_select = 1, 575 .platform_data = &spitz_lcdcon_info, 576 }, { 577 .modalias = "max1111", 578 .max_speed_hz = 450000, 579 .bus_num = 2, 580 .chip_select = 2, 581 }, 582 }; 583 584 static struct pxa2xx_spi_controller spitz_spi_info = { 585 .num_chipselect = 3, 586 }; 587 588 static struct gpiod_lookup_table spitz_spi_gpio_table = { 589 .dev_id = "spi2", 590 .table = { 591 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW), 592 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW), 593 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW), 594 { }, 595 }, 596 }; 597 598 static void __init spitz_spi_init(void) 599 { 600 if (machine_is_akita()) 601 gpiod_add_lookup_table(&akita_lcdcon_gpio_table); 602 else 603 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table); 604 605 gpiod_add_lookup_table(&spitz_ads7846_gpio_table); 606 gpiod_add_lookup_table(&spitz_spi_gpio_table); 607 pxa2xx_set_spi_info(2, &spitz_spi_info); 608 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 609 } 610 #else 611 static inline void spitz_spi_init(void) {} 612 #endif 613 614 /****************************************************************************** 615 * SD/MMC card controller 616 ******************************************************************************/ 617 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) 618 /* 619 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to 620 * give the card a chance to fully insert/eject. 621 */ 622 static int spitz_mci_setpower(struct device *dev, unsigned int vdd) 623 { 624 struct pxamci_platform_data* p_d = dev->platform_data; 625 626 if ((1 << vdd) & p_d->ocr_mask) 627 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); 628 else 629 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); 630 631 return 0; 632 } 633 634 static struct pxamci_platform_data spitz_mci_platform_data = { 635 .detect_delay_ms = 250, 636 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 637 .setpower = spitz_mci_setpower, 638 }; 639 640 static struct gpiod_lookup_table spitz_mci_gpio_table = { 641 .dev_id = "pxa2xx-mci.0", 642 .table = { 643 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT, 644 "cd", GPIO_ACTIVE_LOW), 645 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP, 646 "wp", GPIO_ACTIVE_LOW), 647 { }, 648 }, 649 }; 650 651 static void __init spitz_mmc_init(void) 652 { 653 gpiod_add_lookup_table(&spitz_mci_gpio_table); 654 pxa_set_mci_info(&spitz_mci_platform_data); 655 } 656 #else 657 static inline void spitz_mmc_init(void) {} 658 #endif 659 660 /****************************************************************************** 661 * USB Host 662 ******************************************************************************/ 663 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 664 static int spitz_ohci_init(struct device *dev) 665 { 666 int err; 667 668 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 669 if (err) 670 return err; 671 672 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ 673 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 674 675 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 676 } 677 678 static void spitz_ohci_exit(struct device *dev) 679 { 680 gpio_free(SPITZ_GPIO_USB_HOST); 681 } 682 683 static struct pxaohci_platform_data spitz_ohci_platform_data = { 684 .port_mode = PMM_NPS_MODE, 685 .init = spitz_ohci_init, 686 .exit = spitz_ohci_exit, 687 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 688 .power_budget = 150, 689 }; 690 691 static void __init spitz_uhc_init(void) 692 { 693 pxa_set_ohci_info(&spitz_ohci_platform_data); 694 } 695 #else 696 static inline void spitz_uhc_init(void) {} 697 #endif 698 699 /****************************************************************************** 700 * Framebuffer 701 ******************************************************************************/ 702 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 703 static struct pxafb_mode_info spitz_pxafb_modes[] = { 704 { 705 .pixclock = 19231, 706 .xres = 480, 707 .yres = 640, 708 .bpp = 16, 709 .hsync_len = 40, 710 .left_margin = 46, 711 .right_margin = 125, 712 .vsync_len = 3, 713 .upper_margin = 1, 714 .lower_margin = 0, 715 .sync = 0, 716 }, { 717 .pixclock = 134617, 718 .xres = 240, 719 .yres = 320, 720 .bpp = 16, 721 .hsync_len = 20, 722 .left_margin = 20, 723 .right_margin = 46, 724 .vsync_len = 2, 725 .upper_margin = 1, 726 .lower_margin = 0, 727 .sync = 0, 728 }, 729 }; 730 731 static struct pxafb_mach_info spitz_pxafb_info = { 732 .modes = spitz_pxafb_modes, 733 .num_modes = ARRAY_SIZE(spitz_pxafb_modes), 734 .fixed_modes = 1, 735 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 736 }; 737 738 static void __init spitz_lcd_init(void) 739 { 740 pxa_set_fb_info(NULL, &spitz_pxafb_info); 741 } 742 #else 743 static inline void spitz_lcd_init(void) {} 744 #endif 745 746 /****************************************************************************** 747 * NAND Flash 748 ******************************************************************************/ 749 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) 750 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 751 752 static struct nand_bbt_descr spitz_nand_bbt = { 753 .options = 0, 754 .offs = 4, 755 .len = 2, 756 .pattern = scan_ff_pattern 757 }; 758 759 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, 760 struct mtd_oob_region *oobregion) 761 { 762 if (section > 12) 763 return -ERANGE; 764 765 switch (section % 3) { 766 case 0: 767 oobregion->offset = 5; 768 oobregion->length = 1; 769 break; 770 771 case 1: 772 oobregion->offset = 1; 773 oobregion->length = 3; 774 break; 775 776 case 2: 777 oobregion->offset = 6; 778 oobregion->length = 2; 779 break; 780 } 781 782 oobregion->offset += (section / 3) * 0x10; 783 784 return 0; 785 } 786 787 static int akita_ooblayout_free(struct mtd_info *mtd, int section, 788 struct mtd_oob_region *oobregion) 789 { 790 if (section) 791 return -ERANGE; 792 793 oobregion->offset = 8; 794 oobregion->length = 9; 795 796 return 0; 797 } 798 799 static const struct mtd_ooblayout_ops akita_ooblayout_ops = { 800 .ecc = akita_ooblayout_ecc, 801 .free = akita_ooblayout_free, 802 }; 803 804 static const char * const probes[] = { 805 "cmdlinepart", 806 "ofpart", 807 "sharpslpart", 808 NULL, 809 }; 810 811 static struct sharpsl_nand_platform_data spitz_nand_pdata = { 812 .badblock_pattern = &spitz_nand_bbt, 813 .part_parsers = probes, 814 }; 815 816 static struct resource spitz_nand_resources[] = { 817 { 818 .start = PXA_CS3_PHYS, 819 .end = PXA_CS3_PHYS + SZ_4K - 1, 820 .flags = IORESOURCE_MEM, 821 }, 822 }; 823 824 static struct platform_device spitz_nand_device = { 825 .name = "sharpsl-nand", 826 .id = -1, 827 .resource = spitz_nand_resources, 828 .num_resources = ARRAY_SIZE(spitz_nand_resources), 829 .dev = { 830 .platform_data = &spitz_nand_pdata, 831 } 832 }; 833 834 static void __init spitz_nand_init(void) 835 { 836 if (machine_is_akita() || machine_is_borzoi()) { 837 spitz_nand_bbt.len = 1; 838 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; 839 } 840 841 platform_device_register(&spitz_nand_device); 842 } 843 #else 844 static inline void spitz_nand_init(void) {} 845 #endif 846 847 /****************************************************************************** 848 * NOR Flash 849 ******************************************************************************/ 850 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 851 static struct mtd_partition spitz_rom_parts[] = { 852 { 853 .name ="Boot PROM Filesystem", 854 .offset = 0x00140000, 855 .size = MTDPART_SIZ_FULL, 856 }, 857 }; 858 859 static struct physmap_flash_data spitz_rom_data = { 860 .width = 2, 861 .nr_parts = ARRAY_SIZE(spitz_rom_parts), 862 .parts = spitz_rom_parts, 863 }; 864 865 static struct resource spitz_rom_resources[] = { 866 { 867 .start = PXA_CS0_PHYS, 868 .end = PXA_CS0_PHYS + SZ_8M - 1, 869 .flags = IORESOURCE_MEM, 870 }, 871 }; 872 873 static struct platform_device spitz_rom_device = { 874 .name = "physmap-flash", 875 .id = -1, 876 .resource = spitz_rom_resources, 877 .num_resources = ARRAY_SIZE(spitz_rom_resources), 878 .dev = { 879 .platform_data = &spitz_rom_data, 880 }, 881 }; 882 883 static void __init spitz_nor_init(void) 884 { 885 platform_device_register(&spitz_rom_device); 886 } 887 #else 888 static inline void spitz_nor_init(void) {} 889 #endif 890 891 /****************************************************************************** 892 * I2C devices 893 ******************************************************************************/ 894 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) 895 static struct pca953x_platform_data akita_pca953x_pdata = { 896 .gpio_base = AKITA_IOEXP_GPIO_BASE, 897 }; 898 899 static struct i2c_board_info spitz_i2c_devs[] = { 900 { 901 .type = "wm8750", 902 .addr = 0x1b, 903 }, { 904 .type = "max7310", 905 .addr = 0x18, 906 .platform_data = &akita_pca953x_pdata, 907 }, 908 }; 909 910 static struct regulator_consumer_supply isl6271a_consumers[] = { 911 REGULATOR_SUPPLY("vcc_core", NULL), 912 }; 913 914 static struct regulator_init_data isl6271a_info[] = { 915 { 916 .constraints = { 917 .name = "vcc_core range", 918 .min_uV = 850000, 919 .max_uV = 1600000, 920 .always_on = 1, 921 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 922 }, 923 .consumer_supplies = isl6271a_consumers, 924 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), 925 } 926 }; 927 928 static struct i2c_board_info spitz_pi2c_devs[] = { 929 { 930 .type = "isl6271a", 931 .addr = 0x0c, 932 .platform_data = &isl6271a_info, 933 }, 934 }; 935 936 static void __init spitz_i2c_init(void) 937 { 938 int size = ARRAY_SIZE(spitz_i2c_devs); 939 940 /* Only Akita has the max7310 chip */ 941 if (!machine_is_akita()) 942 size--; 943 944 pxa_set_i2c_info(NULL); 945 pxa27x_set_i2c_power_info(NULL); 946 i2c_register_board_info(0, spitz_i2c_devs, size); 947 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs)); 948 } 949 #else 950 static inline void spitz_i2c_init(void) {} 951 #endif 952 953 static struct gpiod_lookup_table spitz_audio_gpio_table = { 954 .dev_id = "spitz-audio", 955 .table = { 956 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, 957 "mute-l", GPIO_ACTIVE_HIGH), 958 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, 959 "mute-r", GPIO_ACTIVE_HIGH), 960 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, 961 "mic", GPIO_ACTIVE_HIGH), 962 { }, 963 }, 964 }; 965 966 static struct gpiod_lookup_table akita_audio_gpio_table = { 967 .dev_id = "spitz-audio", 968 .table = { 969 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, 970 "mute-l", GPIO_ACTIVE_HIGH), 971 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, 972 "mute-r", GPIO_ACTIVE_HIGH), 973 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, 974 "mic", GPIO_ACTIVE_HIGH), 975 { }, 976 }, 977 }; 978 979 /****************************************************************************** 980 * Audio devices 981 ******************************************************************************/ 982 static inline void spitz_audio_init(void) 983 { 984 if (machine_is_akita()) 985 gpiod_add_lookup_table(&akita_audio_gpio_table); 986 else 987 gpiod_add_lookup_table(&spitz_audio_gpio_table); 988 989 platform_device_register_simple("spitz-audio", -1, NULL, 0); 990 } 991 992 /****************************************************************************** 993 * Machine init 994 ******************************************************************************/ 995 static void spitz_poweroff(void) 996 { 997 pxa_restart(REBOOT_GPIO, NULL); 998 } 999 1000 static void spitz_restart(enum reboot_mode mode, const char *cmd) 1001 { 1002 uint32_t msc0 = __raw_readl(MSC0); 1003 /* Bootloader magic for a reboot */ 1004 if ((msc0 & 0xffff0000) == 0x7ff00000) 1005 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0); 1006 1007 spitz_poweroff(); 1008 } 1009 1010 static void __init spitz_init(void) 1011 { 1012 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); 1013 pm_power_off = spitz_poweroff; 1014 1015 PMCR = 0x00; 1016 1017 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 1018 PCFR |= PCFR_OPDE; 1019 1020 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 1021 1022 pxa_set_ffuart_info(NULL); 1023 pxa_set_btuart_info(NULL); 1024 pxa_set_stuart_info(NULL); 1025 1026 spitz_spi_init(); 1027 spitz_scoop_init(); 1028 spitz_mkp_init(); 1029 spitz_keys_init(); 1030 spitz_leds_init(); 1031 spitz_mmc_init(); 1032 spitz_pcmcia_init(); 1033 spitz_uhc_init(); 1034 spitz_lcd_init(); 1035 spitz_nor_init(); 1036 spitz_nand_init(); 1037 spitz_i2c_init(); 1038 spitz_audio_init(); 1039 1040 regulator_has_full_constraints(); 1041 } 1042 1043 static void __init spitz_fixup(struct tag *tags, char **cmdline) 1044 { 1045 sharpsl_save_param(); 1046 memblock_add(0xa0000000, SZ_64M); 1047 } 1048 1049 #ifdef CONFIG_MACH_SPITZ 1050 MACHINE_START(SPITZ, "SHARP Spitz") 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, 1058 MACHINE_END 1059 #endif 1060 1061 #ifdef CONFIG_MACH_BORZOI 1062 MACHINE_START(BORZOI, "SHARP Borzoi") 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, 1070 MACHINE_END 1071 #endif 1072 1073 #ifdef CONFIG_MACH_AKITA 1074 MACHINE_START(AKITA, "SHARP Akita") 1075 .fixup = spitz_fixup, 1076 .map_io = pxa27x_map_io, 1077 .nr_irqs = PXA_NR_IRQS, 1078 .init_irq = pxa27x_init_irq, 1079 .init_machine = spitz_init, 1080 .init_time = pxa_timer_init, 1081 .restart = spitz_restart, 1082 MACHINE_END 1083 #endif 1084