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/matrix_keypad.h> 29 #include <linux/regulator/machine.h> 30 #include <linux/io.h> 31 #include <linux/reboot.h> 32 #include <linux/memblock.h> 33 34 #include <asm/setup.h> 35 #include <asm/mach-types.h> 36 #include <asm/mach/arch.h> 37 #include <asm/mach/sharpsl_param.h> 38 #include <asm/hardware/scoop.h> 39 40 #include "pxa27x.h" 41 #include "pxa27x-udc.h" 42 #include <mach/reset.h> 43 #include <linux/platform_data/irda-pxaficp.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 <mach/spitz.h> 48 #include "sharpsl_pm.h" 49 #include <mach/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 .gpio_pendown = SPITZ_GPIO_TP_INT, 510 .wait_for_sync = spitz_ads7846_wait_for_hsync, 511 }; 512 513 static void spitz_bl_kick_battery(void) 514 { 515 void (*kick_batt)(void); 516 517 kick_batt = symbol_get(sharpsl_battery_kick); 518 if (kick_batt) { 519 kick_batt(); 520 symbol_put(sharpsl_battery_kick); 521 } 522 } 523 524 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { 525 .dev_id = "spi2.1", 526 .table = { 527 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, 528 "BL_CONT", GPIO_ACTIVE_LOW), 529 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, 530 "BL_ON", GPIO_ACTIVE_HIGH), 531 { }, 532 }, 533 }; 534 535 static struct gpiod_lookup_table akita_lcdcon_gpio_table = { 536 .dev_id = "spi2.1", 537 .table = { 538 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, 539 "BL_CONT", GPIO_ACTIVE_LOW), 540 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, 541 "BL_ON", GPIO_ACTIVE_HIGH), 542 { }, 543 }, 544 }; 545 546 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 547 .init_mode = CORGI_LCD_MODE_VGA, 548 .max_intensity = 0x2f, 549 .default_intensity = 0x1f, 550 .limit_mask = 0x0b, 551 .kick_battery = spitz_bl_kick_battery, 552 }; 553 554 static struct spi_board_info spitz_spi_devices[] = { 555 { 556 .modalias = "ads7846", 557 .max_speed_hz = 1200000, 558 .bus_num = 2, 559 .chip_select = 0, 560 .platform_data = &spitz_ads7846_info, 561 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), 562 }, { 563 .modalias = "corgi-lcd", 564 .max_speed_hz = 50000, 565 .bus_num = 2, 566 .chip_select = 1, 567 .platform_data = &spitz_lcdcon_info, 568 }, { 569 .modalias = "max1111", 570 .max_speed_hz = 450000, 571 .bus_num = 2, 572 .chip_select = 2, 573 }, 574 }; 575 576 static struct pxa2xx_spi_controller spitz_spi_info = { 577 .num_chipselect = 3, 578 }; 579 580 static struct gpiod_lookup_table spitz_spi_gpio_table = { 581 .dev_id = "pxa2xx-spi.2", 582 .table = { 583 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW), 584 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW), 585 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW), 586 { }, 587 }, 588 }; 589 590 static void __init spitz_spi_init(void) 591 { 592 if (machine_is_akita()) 593 gpiod_add_lookup_table(&akita_lcdcon_gpio_table); 594 else 595 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table); 596 597 gpiod_add_lookup_table(&spitz_spi_gpio_table); 598 pxa2xx_set_spi_info(2, &spitz_spi_info); 599 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 600 } 601 #else 602 static inline void spitz_spi_init(void) {} 603 #endif 604 605 /****************************************************************************** 606 * SD/MMC card controller 607 ******************************************************************************/ 608 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) 609 /* 610 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to 611 * give the card a chance to fully insert/eject. 612 */ 613 static int spitz_mci_setpower(struct device *dev, unsigned int vdd) 614 { 615 struct pxamci_platform_data* p_d = dev->platform_data; 616 617 if ((1 << vdd) & p_d->ocr_mask) 618 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); 619 else 620 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); 621 622 return 0; 623 } 624 625 static struct pxamci_platform_data spitz_mci_platform_data = { 626 .detect_delay_ms = 250, 627 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 628 .setpower = spitz_mci_setpower, 629 }; 630 631 static struct gpiod_lookup_table spitz_mci_gpio_table = { 632 .dev_id = "pxa2xx-mci.0", 633 .table = { 634 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT, 635 "cd", GPIO_ACTIVE_LOW), 636 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP, 637 "wp", GPIO_ACTIVE_LOW), 638 { }, 639 }, 640 }; 641 642 static void __init spitz_mmc_init(void) 643 { 644 gpiod_add_lookup_table(&spitz_mci_gpio_table); 645 pxa_set_mci_info(&spitz_mci_platform_data); 646 } 647 #else 648 static inline void spitz_mmc_init(void) {} 649 #endif 650 651 /****************************************************************************** 652 * USB Host 653 ******************************************************************************/ 654 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 655 static int spitz_ohci_init(struct device *dev) 656 { 657 int err; 658 659 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 660 if (err) 661 return err; 662 663 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ 664 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 665 666 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 667 } 668 669 static void spitz_ohci_exit(struct device *dev) 670 { 671 gpio_free(SPITZ_GPIO_USB_HOST); 672 } 673 674 static struct pxaohci_platform_data spitz_ohci_platform_data = { 675 .port_mode = PMM_NPS_MODE, 676 .init = spitz_ohci_init, 677 .exit = spitz_ohci_exit, 678 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 679 .power_budget = 150, 680 }; 681 682 static void __init spitz_uhc_init(void) 683 { 684 pxa_set_ohci_info(&spitz_ohci_platform_data); 685 } 686 #else 687 static inline void spitz_uhc_init(void) {} 688 #endif 689 690 /****************************************************************************** 691 * IrDA 692 ******************************************************************************/ 693 #if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE) 694 static struct pxaficp_platform_data spitz_ficp_platform_data = { 695 .transceiver_cap = IR_SIRMODE | IR_OFF, 696 }; 697 698 static void __init spitz_irda_init(void) 699 { 700 if (machine_is_akita()) 701 spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON; 702 else 703 spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON; 704 705 pxa_set_ficp_info(&spitz_ficp_platform_data); 706 } 707 #else 708 static inline void spitz_irda_init(void) {} 709 #endif 710 711 /****************************************************************************** 712 * Framebuffer 713 ******************************************************************************/ 714 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 715 static struct pxafb_mode_info spitz_pxafb_modes[] = { 716 { 717 .pixclock = 19231, 718 .xres = 480, 719 .yres = 640, 720 .bpp = 16, 721 .hsync_len = 40, 722 .left_margin = 46, 723 .right_margin = 125, 724 .vsync_len = 3, 725 .upper_margin = 1, 726 .lower_margin = 0, 727 .sync = 0, 728 }, { 729 .pixclock = 134617, 730 .xres = 240, 731 .yres = 320, 732 .bpp = 16, 733 .hsync_len = 20, 734 .left_margin = 20, 735 .right_margin = 46, 736 .vsync_len = 2, 737 .upper_margin = 1, 738 .lower_margin = 0, 739 .sync = 0, 740 }, 741 }; 742 743 static struct pxafb_mach_info spitz_pxafb_info = { 744 .modes = spitz_pxafb_modes, 745 .num_modes = ARRAY_SIZE(spitz_pxafb_modes), 746 .fixed_modes = 1, 747 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 748 }; 749 750 static void __init spitz_lcd_init(void) 751 { 752 pxa_set_fb_info(NULL, &spitz_pxafb_info); 753 } 754 #else 755 static inline void spitz_lcd_init(void) {} 756 #endif 757 758 /****************************************************************************** 759 * NAND Flash 760 ******************************************************************************/ 761 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) 762 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 763 764 static struct nand_bbt_descr spitz_nand_bbt = { 765 .options = 0, 766 .offs = 4, 767 .len = 2, 768 .pattern = scan_ff_pattern 769 }; 770 771 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, 772 struct mtd_oob_region *oobregion) 773 { 774 if (section > 12) 775 return -ERANGE; 776 777 switch (section % 3) { 778 case 0: 779 oobregion->offset = 5; 780 oobregion->length = 1; 781 break; 782 783 case 1: 784 oobregion->offset = 1; 785 oobregion->length = 3; 786 break; 787 788 case 2: 789 oobregion->offset = 6; 790 oobregion->length = 2; 791 break; 792 } 793 794 oobregion->offset += (section / 3) * 0x10; 795 796 return 0; 797 } 798 799 static int akita_ooblayout_free(struct mtd_info *mtd, int section, 800 struct mtd_oob_region *oobregion) 801 { 802 if (section) 803 return -ERANGE; 804 805 oobregion->offset = 8; 806 oobregion->length = 9; 807 808 return 0; 809 } 810 811 static const struct mtd_ooblayout_ops akita_ooblayout_ops = { 812 .ecc = akita_ooblayout_ecc, 813 .free = akita_ooblayout_free, 814 }; 815 816 static const char * const probes[] = { 817 "cmdlinepart", 818 "ofpart", 819 "sharpslpart", 820 NULL, 821 }; 822 823 static struct sharpsl_nand_platform_data spitz_nand_pdata = { 824 .badblock_pattern = &spitz_nand_bbt, 825 .part_parsers = probes, 826 }; 827 828 static struct resource spitz_nand_resources[] = { 829 { 830 .start = PXA_CS3_PHYS, 831 .end = PXA_CS3_PHYS + SZ_4K - 1, 832 .flags = IORESOURCE_MEM, 833 }, 834 }; 835 836 static struct platform_device spitz_nand_device = { 837 .name = "sharpsl-nand", 838 .id = -1, 839 .resource = spitz_nand_resources, 840 .num_resources = ARRAY_SIZE(spitz_nand_resources), 841 .dev = { 842 .platform_data = &spitz_nand_pdata, 843 } 844 }; 845 846 static void __init spitz_nand_init(void) 847 { 848 if (machine_is_akita() || machine_is_borzoi()) { 849 spitz_nand_bbt.len = 1; 850 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; 851 } 852 853 platform_device_register(&spitz_nand_device); 854 } 855 #else 856 static inline void spitz_nand_init(void) {} 857 #endif 858 859 /****************************************************************************** 860 * NOR Flash 861 ******************************************************************************/ 862 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 863 static struct mtd_partition spitz_rom_parts[] = { 864 { 865 .name ="Boot PROM Filesystem", 866 .offset = 0x00140000, 867 .size = MTDPART_SIZ_FULL, 868 }, 869 }; 870 871 static struct physmap_flash_data spitz_rom_data = { 872 .width = 2, 873 .nr_parts = ARRAY_SIZE(spitz_rom_parts), 874 .parts = spitz_rom_parts, 875 }; 876 877 static struct resource spitz_rom_resources[] = { 878 { 879 .start = PXA_CS0_PHYS, 880 .end = PXA_CS0_PHYS + SZ_8M - 1, 881 .flags = IORESOURCE_MEM, 882 }, 883 }; 884 885 static struct platform_device spitz_rom_device = { 886 .name = "physmap-flash", 887 .id = -1, 888 .resource = spitz_rom_resources, 889 .num_resources = ARRAY_SIZE(spitz_rom_resources), 890 .dev = { 891 .platform_data = &spitz_rom_data, 892 }, 893 }; 894 895 static void __init spitz_nor_init(void) 896 { 897 platform_device_register(&spitz_rom_device); 898 } 899 #else 900 static inline void spitz_nor_init(void) {} 901 #endif 902 903 /****************************************************************************** 904 * I2C devices 905 ******************************************************************************/ 906 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) 907 static struct pca953x_platform_data akita_pca953x_pdata = { 908 .gpio_base = AKITA_IOEXP_GPIO_BASE, 909 }; 910 911 static struct i2c_board_info spitz_i2c_devs[] = { 912 { 913 .type = "wm8750", 914 .addr = 0x1b, 915 }, { 916 .type = "max7310", 917 .addr = 0x18, 918 .platform_data = &akita_pca953x_pdata, 919 }, 920 }; 921 922 static struct regulator_consumer_supply isl6271a_consumers[] = { 923 REGULATOR_SUPPLY("vcc_core", NULL), 924 }; 925 926 static struct regulator_init_data isl6271a_info[] = { 927 { 928 .constraints = { 929 .name = "vcc_core range", 930 .min_uV = 850000, 931 .max_uV = 1600000, 932 .always_on = 1, 933 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 934 }, 935 .consumer_supplies = isl6271a_consumers, 936 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), 937 } 938 }; 939 940 static struct i2c_board_info spitz_pi2c_devs[] = { 941 { 942 .type = "isl6271a", 943 .addr = 0x0c, 944 .platform_data = &isl6271a_info, 945 }, 946 }; 947 948 static void __init spitz_i2c_init(void) 949 { 950 int size = ARRAY_SIZE(spitz_i2c_devs); 951 952 /* Only Akita has the max7310 chip */ 953 if (!machine_is_akita()) 954 size--; 955 956 pxa_set_i2c_info(NULL); 957 pxa27x_set_i2c_power_info(NULL); 958 i2c_register_board_info(0, spitz_i2c_devs, size); 959 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs)); 960 } 961 #else 962 static inline void spitz_i2c_init(void) {} 963 #endif 964 965 /****************************************************************************** 966 * Audio devices 967 ******************************************************************************/ 968 static inline void spitz_audio_init(void) 969 { 970 platform_device_register_simple("spitz-audio", -1, NULL, 0); 971 } 972 973 /****************************************************************************** 974 * Machine init 975 ******************************************************************************/ 976 static void spitz_poweroff(void) 977 { 978 pxa_restart(REBOOT_GPIO, NULL); 979 } 980 981 static void spitz_restart(enum reboot_mode mode, const char *cmd) 982 { 983 uint32_t msc0 = __raw_readl(MSC0); 984 /* Bootloader magic for a reboot */ 985 if ((msc0 & 0xffff0000) == 0x7ff00000) 986 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0); 987 988 spitz_poweroff(); 989 } 990 991 static void __init spitz_init(void) 992 { 993 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); 994 pm_power_off = spitz_poweroff; 995 996 PMCR = 0x00; 997 998 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 999 PCFR |= PCFR_OPDE; 1000 1001 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 1002 1003 pxa_set_ffuart_info(NULL); 1004 pxa_set_btuart_info(NULL); 1005 pxa_set_stuart_info(NULL); 1006 1007 spitz_spi_init(); 1008 spitz_scoop_init(); 1009 spitz_mkp_init(); 1010 spitz_keys_init(); 1011 spitz_leds_init(); 1012 spitz_mmc_init(); 1013 spitz_pcmcia_init(); 1014 spitz_irda_init(); 1015 spitz_uhc_init(); 1016 spitz_lcd_init(); 1017 spitz_nor_init(); 1018 spitz_nand_init(); 1019 spitz_i2c_init(); 1020 spitz_audio_init(); 1021 1022 regulator_has_full_constraints(); 1023 } 1024 1025 static void __init spitz_fixup(struct tag *tags, char **cmdline) 1026 { 1027 sharpsl_save_param(); 1028 memblock_add(0xa0000000, SZ_64M); 1029 } 1030 1031 #ifdef CONFIG_MACH_SPITZ 1032 MACHINE_START(SPITZ, "SHARP Spitz") 1033 .fixup = spitz_fixup, 1034 .map_io = pxa27x_map_io, 1035 .nr_irqs = PXA_NR_IRQS, 1036 .init_irq = pxa27x_init_irq, 1037 .handle_irq = pxa27x_handle_irq, 1038 .init_machine = spitz_init, 1039 .init_time = pxa_timer_init, 1040 .restart = spitz_restart, 1041 MACHINE_END 1042 #endif 1043 1044 #ifdef CONFIG_MACH_BORZOI 1045 MACHINE_START(BORZOI, "SHARP Borzoi") 1046 .fixup = spitz_fixup, 1047 .map_io = pxa27x_map_io, 1048 .nr_irqs = PXA_NR_IRQS, 1049 .init_irq = pxa27x_init_irq, 1050 .handle_irq = pxa27x_handle_irq, 1051 .init_machine = spitz_init, 1052 .init_time = pxa_timer_init, 1053 .restart = spitz_restart, 1054 MACHINE_END 1055 #endif 1056 1057 #ifdef CONFIG_MACH_AKITA 1058 MACHINE_START(AKITA, "SHARP Akita") 1059 .fixup = spitz_fixup, 1060 .map_io = pxa27x_map_io, 1061 .nr_irqs = PXA_NR_IRQS, 1062 .init_irq = pxa27x_init_irq, 1063 .handle_irq = pxa27x_handle_irq, 1064 .init_machine = spitz_init, 1065 .init_time = pxa_timer_init, 1066 .restart = spitz_restart, 1067 MACHINE_END 1068 #endif 1069