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 "reset.h" 43 #include <linux/platform_data/mmc-pxamci.h> 44 #include <linux/platform_data/usb-ohci-pxa27x.h> 45 #include <linux/platform_data/video-pxafb.h> 46 #include "spitz.h" 47 #include "sharpsl_pm.h" 48 #include "smemc.h" 49 50 #include "generic.h" 51 #include "devices.h" 52 53 /****************************************************************************** 54 * Pin configuration 55 ******************************************************************************/ 56 static unsigned long spitz_pin_config[] __initdata = { 57 /* Chip Selects */ 58 GPIO78_nCS_2, /* SCOOP #2 */ 59 GPIO79_nCS_3, /* NAND */ 60 GPIO80_nCS_4, /* SCOOP #1 */ 61 62 /* LCD - 16bpp Active TFT */ 63 GPIOxx_LCD_TFT_16BPP, 64 65 /* PC Card */ 66 GPIO48_nPOE, 67 GPIO49_nPWE, 68 GPIO50_nPIOR, 69 GPIO51_nPIOW, 70 GPIO85_nPCE_1, 71 GPIO54_nPCE_2, 72 GPIO55_nPREG, 73 GPIO56_nPWAIT, 74 GPIO57_nIOIS16, 75 GPIO104_PSKTSEL, 76 77 /* I2S */ 78 GPIO28_I2S_BITCLK_OUT, 79 GPIO29_I2S_SDATA_IN, 80 GPIO30_I2S_SDATA_OUT, 81 GPIO31_I2S_SYNC, 82 83 /* MMC */ 84 GPIO32_MMC_CLK, 85 GPIO112_MMC_CMD, 86 GPIO92_MMC_DAT_0, 87 GPIO109_MMC_DAT_1, 88 GPIO110_MMC_DAT_2, 89 GPIO111_MMC_DAT_3, 90 91 /* GPIOs */ 92 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ 93 GPIO16_GPIO, /* SPITZ_GPIO_SYNC */ 94 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ 95 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ 96 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ 97 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ 98 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ 99 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ 100 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ 101 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ 102 103 /* GPIO matrix keypad */ 104 GPIO88_GPIO, /* column 0 */ 105 GPIO23_GPIO, /* column 1 */ 106 GPIO24_GPIO, /* column 2 */ 107 GPIO25_GPIO, /* column 3 */ 108 GPIO26_GPIO, /* column 4 */ 109 GPIO27_GPIO, /* column 5 */ 110 GPIO52_GPIO, /* column 6 */ 111 GPIO103_GPIO, /* column 7 */ 112 GPIO107_GPIO, /* column 8 */ 113 GPIO108_GPIO, /* column 9 */ 114 GPIO114_GPIO, /* column 10 */ 115 GPIO12_GPIO, /* row 0 */ 116 GPIO17_GPIO, /* row 1 */ 117 GPIO91_GPIO, /* row 2 */ 118 GPIO34_GPIO, /* row 3 */ 119 GPIO36_GPIO, /* row 4 */ 120 GPIO38_GPIO, /* row 5 */ 121 GPIO39_GPIO, /* row 6 */ 122 123 /* I2C */ 124 GPIO117_I2C_SCL, 125 GPIO118_I2C_SDA, 126 127 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */ 128 GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */ 129 }; 130 131 132 /****************************************************************************** 133 * Scoop GPIO expander 134 ******************************************************************************/ 135 #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) 136 /* SCOOP Device #1 */ 137 static struct resource spitz_scoop_1_resources[] = { 138 [0] = { 139 .start = 0x10800000, 140 .end = 0x10800fff, 141 .flags = IORESOURCE_MEM, 142 }, 143 }; 144 145 static struct scoop_config spitz_scoop_1_setup = { 146 .io_dir = SPITZ_SCP_IO_DIR, 147 .io_out = SPITZ_SCP_IO_OUT, 148 .suspend_clr = SPITZ_SCP_SUS_CLR, 149 .suspend_set = SPITZ_SCP_SUS_SET, 150 .gpio_base = SPITZ_SCP_GPIO_BASE, 151 }; 152 153 struct platform_device spitz_scoop_1_device = { 154 .name = "sharp-scoop", 155 .id = 0, 156 .dev = { 157 .platform_data = &spitz_scoop_1_setup, 158 }, 159 .num_resources = ARRAY_SIZE(spitz_scoop_1_resources), 160 .resource = spitz_scoop_1_resources, 161 }; 162 163 /* SCOOP Device #2 */ 164 static struct resource spitz_scoop_2_resources[] = { 165 [0] = { 166 .start = 0x08800040, 167 .end = 0x08800fff, 168 .flags = IORESOURCE_MEM, 169 }, 170 }; 171 172 static struct scoop_config spitz_scoop_2_setup = { 173 .io_dir = SPITZ_SCP2_IO_DIR, 174 .io_out = SPITZ_SCP2_IO_OUT, 175 .suspend_clr = SPITZ_SCP2_SUS_CLR, 176 .suspend_set = SPITZ_SCP2_SUS_SET, 177 .gpio_base = SPITZ_SCP2_GPIO_BASE, 178 }; 179 180 struct platform_device spitz_scoop_2_device = { 181 .name = "sharp-scoop", 182 .id = 1, 183 .dev = { 184 .platform_data = &spitz_scoop_2_setup, 185 }, 186 .num_resources = ARRAY_SIZE(spitz_scoop_2_resources), 187 .resource = spitz_scoop_2_resources, 188 }; 189 190 static void __init spitz_scoop_init(void) 191 { 192 platform_device_register(&spitz_scoop_1_device); 193 194 /* Akita doesn't have the second SCOOP chip */ 195 if (!machine_is_akita()) 196 platform_device_register(&spitz_scoop_2_device); 197 } 198 199 /* Power control is shared with between one of the CF slots and SD */ 200 static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) 201 { 202 unsigned short cpr; 203 unsigned long flags; 204 205 if (new_cpr & 0x7) { 206 gpio_set_value(SPITZ_GPIO_CF_POWER, 1); 207 mdelay(5); 208 } 209 210 local_irq_save(flags); 211 212 cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR); 213 214 if (enable & new_cpr) 215 cpr |= new_cpr; 216 else 217 cpr &= ~enable; 218 219 write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr); 220 221 local_irq_restore(flags); 222 223 if (!(cpr & 0x7)) { 224 mdelay(1); 225 gpio_set_value(SPITZ_GPIO_CF_POWER, 0); 226 } 227 } 228 229 #else 230 static inline void spitz_scoop_init(void) {} 231 static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {} 232 #endif 233 234 /****************************************************************************** 235 * PCMCIA 236 ******************************************************************************/ 237 #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) 238 static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr) 239 { 240 /* Only need to override behaviour for slot 0 */ 241 if (nr == 0) 242 spitz_card_pwr_ctrl( 243 cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr); 244 else 245 write_scoop_reg(scoop, SCOOP_CPR, cpr); 246 } 247 248 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 249 { 250 .dev = &spitz_scoop_1_device.dev, 251 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 252 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 253 .cd_irq_str = "PCMCIA0 CD", 254 }, { 255 .dev = &spitz_scoop_2_device.dev, 256 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 257 .cd_irq = -1, 258 }, 259 }; 260 261 static struct scoop_pcmcia_config spitz_pcmcia_config = { 262 .devs = &spitz_pcmcia_scoop[0], 263 .num_devs = 2, 264 .power_ctrl = spitz_pcmcia_pwr, 265 }; 266 267 static void __init spitz_pcmcia_init(void) 268 { 269 /* Akita has only one PCMCIA slot used */ 270 if (machine_is_akita()) 271 spitz_pcmcia_config.num_devs = 1; 272 273 platform_scoop_config = &spitz_pcmcia_config; 274 } 275 #else 276 static inline void spitz_pcmcia_init(void) {} 277 #endif 278 279 /****************************************************************************** 280 * GPIO keyboard 281 ******************************************************************************/ 282 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) 283 284 #define SPITZ_KEY_CALENDAR KEY_F1 285 #define SPITZ_KEY_ADDRESS KEY_F2 286 #define SPITZ_KEY_FN KEY_F3 287 #define SPITZ_KEY_CANCEL KEY_F4 288 #define SPITZ_KEY_EXOK KEY_F5 289 #define SPITZ_KEY_EXCANCEL KEY_F6 290 #define SPITZ_KEY_EXJOGDOWN KEY_F7 291 #define SPITZ_KEY_EXJOGUP KEY_F8 292 #define SPITZ_KEY_JAP1 KEY_LEFTALT 293 #define SPITZ_KEY_JAP2 KEY_RIGHTCTRL 294 #define SPITZ_KEY_SYNC KEY_F9 295 #define SPITZ_KEY_MAIL KEY_F10 296 #define SPITZ_KEY_OK KEY_F11 297 #define SPITZ_KEY_MENU KEY_F12 298 299 static const uint32_t spitz_keymap[] = { 300 KEY(0, 0, KEY_LEFTCTRL), 301 KEY(0, 1, KEY_1), 302 KEY(0, 2, KEY_3), 303 KEY(0, 3, KEY_5), 304 KEY(0, 4, KEY_6), 305 KEY(0, 5, KEY_7), 306 KEY(0, 6, KEY_9), 307 KEY(0, 7, KEY_0), 308 KEY(0, 8, KEY_BACKSPACE), 309 KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */ 310 KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */ 311 KEY(1, 1, KEY_2), 312 KEY(1, 2, KEY_4), 313 KEY(1, 3, KEY_R), 314 KEY(1, 4, KEY_Y), 315 KEY(1, 5, KEY_8), 316 KEY(1, 6, KEY_I), 317 KEY(1, 7, KEY_O), 318 KEY(1, 8, KEY_P), 319 KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */ 320 KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */ 321 KEY(2, 0, KEY_TAB), 322 KEY(2, 1, KEY_Q), 323 KEY(2, 2, KEY_E), 324 KEY(2, 3, KEY_T), 325 KEY(2, 4, KEY_G), 326 KEY(2, 5, KEY_U), 327 KEY(2, 6, KEY_J), 328 KEY(2, 7, KEY_K), 329 KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */ 330 KEY(3, 1, KEY_W), 331 KEY(3, 2, KEY_S), 332 KEY(3, 3, KEY_F), 333 KEY(3, 4, KEY_V), 334 KEY(3, 5, KEY_H), 335 KEY(3, 6, KEY_M), 336 KEY(3, 7, KEY_L), 337 KEY(3, 9, KEY_RIGHTSHIFT), 338 KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */ 339 KEY(4, 1, KEY_A), 340 KEY(4, 2, KEY_D), 341 KEY(4, 3, KEY_C), 342 KEY(4, 4, KEY_B), 343 KEY(4, 5, KEY_N), 344 KEY(4, 6, KEY_DOT), 345 KEY(4, 8, KEY_ENTER), 346 KEY(4, 9, KEY_LEFTSHIFT), 347 KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */ 348 KEY(5, 1, KEY_Z), 349 KEY(5, 2, KEY_X), 350 KEY(5, 3, KEY_MINUS), 351 KEY(5, 4, KEY_SPACE), 352 KEY(5, 5, KEY_COMMA), 353 KEY(5, 7, KEY_UP), 354 KEY(5, 10, SPITZ_KEY_FN), /* FN */ 355 KEY(6, 0, KEY_SYSRQ), 356 KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */ 357 KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */ 358 KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */ 359 KEY(6, 4, SPITZ_KEY_OK), /* OK */ 360 KEY(6, 5, SPITZ_KEY_MENU), /* MENU */ 361 KEY(6, 6, KEY_LEFT), 362 KEY(6, 7, KEY_DOWN), 363 KEY(6, 8, KEY_RIGHT), 364 }; 365 366 static const struct matrix_keymap_data spitz_keymap_data = { 367 .keymap = spitz_keymap, 368 .keymap_size = ARRAY_SIZE(spitz_keymap), 369 }; 370 371 static const uint32_t spitz_row_gpios[] = 372 { 12, 17, 91, 34, 36, 38, 39 }; 373 static const uint32_t spitz_col_gpios[] = 374 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 }; 375 376 static struct matrix_keypad_platform_data spitz_mkp_pdata = { 377 .keymap_data = &spitz_keymap_data, 378 .row_gpios = spitz_row_gpios, 379 .col_gpios = spitz_col_gpios, 380 .num_row_gpios = ARRAY_SIZE(spitz_row_gpios), 381 .num_col_gpios = ARRAY_SIZE(spitz_col_gpios), 382 .col_scan_delay_us = 10, 383 .debounce_ms = 10, 384 .wakeup = 1, 385 }; 386 387 static struct platform_device spitz_mkp_device = { 388 .name = "matrix-keypad", 389 .id = -1, 390 .dev = { 391 .platform_data = &spitz_mkp_pdata, 392 }, 393 }; 394 395 static void __init spitz_mkp_init(void) 396 { 397 platform_device_register(&spitz_mkp_device); 398 } 399 #else 400 static inline void spitz_mkp_init(void) {} 401 #endif 402 403 /****************************************************************************** 404 * GPIO keys 405 ******************************************************************************/ 406 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 407 static struct gpio_keys_button spitz_gpio_keys[] = { 408 { 409 .type = EV_PWR, 410 .code = KEY_SUSPEND, 411 .gpio = SPITZ_GPIO_ON_KEY, 412 .desc = "On Off", 413 .wakeup = 1, 414 }, 415 /* Two buttons detecting the lid state */ 416 { 417 .type = EV_SW, 418 .code = 0, 419 .gpio = SPITZ_GPIO_SWA, 420 .desc = "Display Down", 421 }, 422 { 423 .type = EV_SW, 424 .code = 1, 425 .gpio = SPITZ_GPIO_SWB, 426 .desc = "Lid Closed", 427 }, 428 }; 429 430 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = { 431 .buttons = spitz_gpio_keys, 432 .nbuttons = ARRAY_SIZE(spitz_gpio_keys), 433 }; 434 435 static struct platform_device spitz_gpio_keys_device = { 436 .name = "gpio-keys", 437 .id = -1, 438 .dev = { 439 .platform_data = &spitz_gpio_keys_platform_data, 440 }, 441 }; 442 443 static void __init spitz_keys_init(void) 444 { 445 platform_device_register(&spitz_gpio_keys_device); 446 } 447 #else 448 static inline void spitz_keys_init(void) {} 449 #endif 450 451 /****************************************************************************** 452 * LEDs 453 ******************************************************************************/ 454 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) 455 static struct gpio_led spitz_gpio_leds[] = { 456 { 457 .name = "spitz:amber:charge", 458 .default_trigger = "sharpsl-charge", 459 .gpio = SPITZ_GPIO_LED_ORANGE, 460 }, 461 { 462 .name = "spitz:green:hddactivity", 463 .default_trigger = "disk-activity", 464 .gpio = SPITZ_GPIO_LED_GREEN, 465 }, 466 }; 467 468 static struct gpio_led_platform_data spitz_gpio_leds_info = { 469 .leds = spitz_gpio_leds, 470 .num_leds = ARRAY_SIZE(spitz_gpio_leds), 471 }; 472 473 static struct platform_device spitz_led_device = { 474 .name = "leds-gpio", 475 .id = -1, 476 .dev = { 477 .platform_data = &spitz_gpio_leds_info, 478 }, 479 }; 480 481 static void __init spitz_leds_init(void) 482 { 483 platform_device_register(&spitz_led_device); 484 } 485 #else 486 static inline void spitz_leds_init(void) {} 487 #endif 488 489 /****************************************************************************** 490 * SSP Devices 491 ******************************************************************************/ 492 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 493 static void spitz_ads7846_wait_for_hsync(void) 494 { 495 while (gpio_get_value(SPITZ_GPIO_HSYNC)) 496 cpu_relax(); 497 498 while (!gpio_get_value(SPITZ_GPIO_HSYNC)) 499 cpu_relax(); 500 } 501 502 static struct ads7846_platform_data spitz_ads7846_info = { 503 .model = 7846, 504 .vref_delay_usecs = 100, 505 .x_plate_ohms = 419, 506 .y_plate_ohms = 486, 507 .pressure_max = 1024, 508 .gpio_pendown = SPITZ_GPIO_TP_INT, 509 .wait_for_sync = spitz_ads7846_wait_for_hsync, 510 }; 511 512 static void spitz_bl_kick_battery(void) 513 { 514 void (*kick_batt)(void); 515 516 kick_batt = symbol_get(sharpsl_battery_kick); 517 if (kick_batt) { 518 kick_batt(); 519 symbol_put(sharpsl_battery_kick); 520 } 521 } 522 523 static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { 524 .dev_id = "spi2.1", 525 .table = { 526 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, 527 "BL_CONT", GPIO_ACTIVE_LOW), 528 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, 529 "BL_ON", GPIO_ACTIVE_HIGH), 530 { }, 531 }, 532 }; 533 534 static struct gpiod_lookup_table akita_lcdcon_gpio_table = { 535 .dev_id = "spi2.1", 536 .table = { 537 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, 538 "BL_CONT", GPIO_ACTIVE_LOW), 539 GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, 540 "BL_ON", GPIO_ACTIVE_HIGH), 541 { }, 542 }, 543 }; 544 545 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 546 .init_mode = CORGI_LCD_MODE_VGA, 547 .max_intensity = 0x2f, 548 .default_intensity = 0x1f, 549 .limit_mask = 0x0b, 550 .kick_battery = spitz_bl_kick_battery, 551 }; 552 553 static struct spi_board_info spitz_spi_devices[] = { 554 { 555 .modalias = "ads7846", 556 .max_speed_hz = 1200000, 557 .bus_num = 2, 558 .chip_select = 0, 559 .platform_data = &spitz_ads7846_info, 560 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), 561 }, { 562 .modalias = "corgi-lcd", 563 .max_speed_hz = 50000, 564 .bus_num = 2, 565 .chip_select = 1, 566 .platform_data = &spitz_lcdcon_info, 567 }, { 568 .modalias = "max1111", 569 .max_speed_hz = 450000, 570 .bus_num = 2, 571 .chip_select = 2, 572 }, 573 }; 574 575 static struct pxa2xx_spi_controller spitz_spi_info = { 576 .num_chipselect = 3, 577 }; 578 579 static struct gpiod_lookup_table spitz_spi_gpio_table = { 580 .dev_id = "spi2", 581 .table = { 582 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW), 583 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW), 584 GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_MAX1111_CS, "cs", 2, GPIO_ACTIVE_LOW), 585 { }, 586 }, 587 }; 588 589 static void __init spitz_spi_init(void) 590 { 591 if (machine_is_akita()) 592 gpiod_add_lookup_table(&akita_lcdcon_gpio_table); 593 else 594 gpiod_add_lookup_table(&spitz_lcdcon_gpio_table); 595 596 gpiod_add_lookup_table(&spitz_spi_gpio_table); 597 pxa2xx_set_spi_info(2, &spitz_spi_info); 598 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 599 } 600 #else 601 static inline void spitz_spi_init(void) {} 602 #endif 603 604 /****************************************************************************** 605 * SD/MMC card controller 606 ******************************************************************************/ 607 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) 608 /* 609 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to 610 * give the card a chance to fully insert/eject. 611 */ 612 static int spitz_mci_setpower(struct device *dev, unsigned int vdd) 613 { 614 struct pxamci_platform_data* p_d = dev->platform_data; 615 616 if ((1 << vdd) & p_d->ocr_mask) 617 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); 618 else 619 spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); 620 621 return 0; 622 } 623 624 static struct pxamci_platform_data spitz_mci_platform_data = { 625 .detect_delay_ms = 250, 626 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 627 .setpower = spitz_mci_setpower, 628 }; 629 630 static struct gpiod_lookup_table spitz_mci_gpio_table = { 631 .dev_id = "pxa2xx-mci.0", 632 .table = { 633 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_DETECT, 634 "cd", GPIO_ACTIVE_LOW), 635 GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_nSD_WP, 636 "wp", GPIO_ACTIVE_LOW), 637 { }, 638 }, 639 }; 640 641 static void __init spitz_mmc_init(void) 642 { 643 gpiod_add_lookup_table(&spitz_mci_gpio_table); 644 pxa_set_mci_info(&spitz_mci_platform_data); 645 } 646 #else 647 static inline void spitz_mmc_init(void) {} 648 #endif 649 650 /****************************************************************************** 651 * USB Host 652 ******************************************************************************/ 653 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 654 static int spitz_ohci_init(struct device *dev) 655 { 656 int err; 657 658 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 659 if (err) 660 return err; 661 662 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ 663 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 664 665 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 666 } 667 668 static void spitz_ohci_exit(struct device *dev) 669 { 670 gpio_free(SPITZ_GPIO_USB_HOST); 671 } 672 673 static struct pxaohci_platform_data spitz_ohci_platform_data = { 674 .port_mode = PMM_NPS_MODE, 675 .init = spitz_ohci_init, 676 .exit = spitz_ohci_exit, 677 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 678 .power_budget = 150, 679 }; 680 681 static void __init spitz_uhc_init(void) 682 { 683 pxa_set_ohci_info(&spitz_ohci_platform_data); 684 } 685 #else 686 static inline void spitz_uhc_init(void) {} 687 #endif 688 689 /****************************************************************************** 690 * Framebuffer 691 ******************************************************************************/ 692 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 693 static struct pxafb_mode_info spitz_pxafb_modes[] = { 694 { 695 .pixclock = 19231, 696 .xres = 480, 697 .yres = 640, 698 .bpp = 16, 699 .hsync_len = 40, 700 .left_margin = 46, 701 .right_margin = 125, 702 .vsync_len = 3, 703 .upper_margin = 1, 704 .lower_margin = 0, 705 .sync = 0, 706 }, { 707 .pixclock = 134617, 708 .xres = 240, 709 .yres = 320, 710 .bpp = 16, 711 .hsync_len = 20, 712 .left_margin = 20, 713 .right_margin = 46, 714 .vsync_len = 2, 715 .upper_margin = 1, 716 .lower_margin = 0, 717 .sync = 0, 718 }, 719 }; 720 721 static struct pxafb_mach_info spitz_pxafb_info = { 722 .modes = spitz_pxafb_modes, 723 .num_modes = ARRAY_SIZE(spitz_pxafb_modes), 724 .fixed_modes = 1, 725 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 726 }; 727 728 static void __init spitz_lcd_init(void) 729 { 730 pxa_set_fb_info(NULL, &spitz_pxafb_info); 731 } 732 #else 733 static inline void spitz_lcd_init(void) {} 734 #endif 735 736 /****************************************************************************** 737 * NAND Flash 738 ******************************************************************************/ 739 #if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) 740 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 741 742 static struct nand_bbt_descr spitz_nand_bbt = { 743 .options = 0, 744 .offs = 4, 745 .len = 2, 746 .pattern = scan_ff_pattern 747 }; 748 749 static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, 750 struct mtd_oob_region *oobregion) 751 { 752 if (section > 12) 753 return -ERANGE; 754 755 switch (section % 3) { 756 case 0: 757 oobregion->offset = 5; 758 oobregion->length = 1; 759 break; 760 761 case 1: 762 oobregion->offset = 1; 763 oobregion->length = 3; 764 break; 765 766 case 2: 767 oobregion->offset = 6; 768 oobregion->length = 2; 769 break; 770 } 771 772 oobregion->offset += (section / 3) * 0x10; 773 774 return 0; 775 } 776 777 static int akita_ooblayout_free(struct mtd_info *mtd, int section, 778 struct mtd_oob_region *oobregion) 779 { 780 if (section) 781 return -ERANGE; 782 783 oobregion->offset = 8; 784 oobregion->length = 9; 785 786 return 0; 787 } 788 789 static const struct mtd_ooblayout_ops akita_ooblayout_ops = { 790 .ecc = akita_ooblayout_ecc, 791 .free = akita_ooblayout_free, 792 }; 793 794 static const char * const probes[] = { 795 "cmdlinepart", 796 "ofpart", 797 "sharpslpart", 798 NULL, 799 }; 800 801 static struct sharpsl_nand_platform_data spitz_nand_pdata = { 802 .badblock_pattern = &spitz_nand_bbt, 803 .part_parsers = probes, 804 }; 805 806 static struct resource spitz_nand_resources[] = { 807 { 808 .start = PXA_CS3_PHYS, 809 .end = PXA_CS3_PHYS + SZ_4K - 1, 810 .flags = IORESOURCE_MEM, 811 }, 812 }; 813 814 static struct platform_device spitz_nand_device = { 815 .name = "sharpsl-nand", 816 .id = -1, 817 .resource = spitz_nand_resources, 818 .num_resources = ARRAY_SIZE(spitz_nand_resources), 819 .dev = { 820 .platform_data = &spitz_nand_pdata, 821 } 822 }; 823 824 static void __init spitz_nand_init(void) 825 { 826 if (machine_is_akita() || machine_is_borzoi()) { 827 spitz_nand_bbt.len = 1; 828 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; 829 } 830 831 platform_device_register(&spitz_nand_device); 832 } 833 #else 834 static inline void spitz_nand_init(void) {} 835 #endif 836 837 /****************************************************************************** 838 * NOR Flash 839 ******************************************************************************/ 840 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 841 static struct mtd_partition spitz_rom_parts[] = { 842 { 843 .name ="Boot PROM Filesystem", 844 .offset = 0x00140000, 845 .size = MTDPART_SIZ_FULL, 846 }, 847 }; 848 849 static struct physmap_flash_data spitz_rom_data = { 850 .width = 2, 851 .nr_parts = ARRAY_SIZE(spitz_rom_parts), 852 .parts = spitz_rom_parts, 853 }; 854 855 static struct resource spitz_rom_resources[] = { 856 { 857 .start = PXA_CS0_PHYS, 858 .end = PXA_CS0_PHYS + SZ_8M - 1, 859 .flags = IORESOURCE_MEM, 860 }, 861 }; 862 863 static struct platform_device spitz_rom_device = { 864 .name = "physmap-flash", 865 .id = -1, 866 .resource = spitz_rom_resources, 867 .num_resources = ARRAY_SIZE(spitz_rom_resources), 868 .dev = { 869 .platform_data = &spitz_rom_data, 870 }, 871 }; 872 873 static void __init spitz_nor_init(void) 874 { 875 platform_device_register(&spitz_rom_device); 876 } 877 #else 878 static inline void spitz_nor_init(void) {} 879 #endif 880 881 /****************************************************************************** 882 * I2C devices 883 ******************************************************************************/ 884 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) 885 static struct pca953x_platform_data akita_pca953x_pdata = { 886 .gpio_base = AKITA_IOEXP_GPIO_BASE, 887 }; 888 889 static struct i2c_board_info spitz_i2c_devs[] = { 890 { 891 .type = "wm8750", 892 .addr = 0x1b, 893 }, { 894 .type = "max7310", 895 .addr = 0x18, 896 .platform_data = &akita_pca953x_pdata, 897 }, 898 }; 899 900 static struct regulator_consumer_supply isl6271a_consumers[] = { 901 REGULATOR_SUPPLY("vcc_core", NULL), 902 }; 903 904 static struct regulator_init_data isl6271a_info[] = { 905 { 906 .constraints = { 907 .name = "vcc_core range", 908 .min_uV = 850000, 909 .max_uV = 1600000, 910 .always_on = 1, 911 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 912 }, 913 .consumer_supplies = isl6271a_consumers, 914 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), 915 } 916 }; 917 918 static struct i2c_board_info spitz_pi2c_devs[] = { 919 { 920 .type = "isl6271a", 921 .addr = 0x0c, 922 .platform_data = &isl6271a_info, 923 }, 924 }; 925 926 static void __init spitz_i2c_init(void) 927 { 928 int size = ARRAY_SIZE(spitz_i2c_devs); 929 930 /* Only Akita has the max7310 chip */ 931 if (!machine_is_akita()) 932 size--; 933 934 pxa_set_i2c_info(NULL); 935 pxa27x_set_i2c_power_info(NULL); 936 i2c_register_board_info(0, spitz_i2c_devs, size); 937 i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs)); 938 } 939 #else 940 static inline void spitz_i2c_init(void) {} 941 #endif 942 943 static struct gpiod_lookup_table spitz_audio_gpio_table = { 944 .dev_id = "spitz-audio", 945 .table = { 946 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, 947 "mute-l", GPIO_ACTIVE_HIGH), 948 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, 949 "mute-r", GPIO_ACTIVE_HIGH), 950 GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, 951 "mic", GPIO_ACTIVE_HIGH), 952 { }, 953 }, 954 }; 955 956 static struct gpiod_lookup_table akita_audio_gpio_table = { 957 .dev_id = "spitz-audio", 958 .table = { 959 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, 960 "mute-l", GPIO_ACTIVE_HIGH), 961 GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, 962 "mute-r", GPIO_ACTIVE_HIGH), 963 GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, 964 "mic", GPIO_ACTIVE_HIGH), 965 { }, 966 }, 967 }; 968 969 /****************************************************************************** 970 * Audio devices 971 ******************************************************************************/ 972 static inline void spitz_audio_init(void) 973 { 974 if (machine_is_akita()) 975 gpiod_add_lookup_table(&akita_audio_gpio_table); 976 else 977 gpiod_add_lookup_table(&spitz_audio_gpio_table); 978 979 platform_device_register_simple("spitz-audio", -1, NULL, 0); 980 } 981 982 /****************************************************************************** 983 * Machine init 984 ******************************************************************************/ 985 static void spitz_poweroff(void) 986 { 987 pxa_restart(REBOOT_GPIO, NULL); 988 } 989 990 static void spitz_restart(enum reboot_mode mode, const char *cmd) 991 { 992 uint32_t msc0 = __raw_readl(MSC0); 993 /* Bootloader magic for a reboot */ 994 if ((msc0 & 0xffff0000) == 0x7ff00000) 995 __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0); 996 997 spitz_poweroff(); 998 } 999 1000 static void __init spitz_init(void) 1001 { 1002 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); 1003 pm_power_off = spitz_poweroff; 1004 1005 PMCR = 0x00; 1006 1007 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 1008 PCFR |= PCFR_OPDE; 1009 1010 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 1011 1012 pxa_set_ffuart_info(NULL); 1013 pxa_set_btuart_info(NULL); 1014 pxa_set_stuart_info(NULL); 1015 1016 spitz_spi_init(); 1017 spitz_scoop_init(); 1018 spitz_mkp_init(); 1019 spitz_keys_init(); 1020 spitz_leds_init(); 1021 spitz_mmc_init(); 1022 spitz_pcmcia_init(); 1023 spitz_uhc_init(); 1024 spitz_lcd_init(); 1025 spitz_nor_init(); 1026 spitz_nand_init(); 1027 spitz_i2c_init(); 1028 spitz_audio_init(); 1029 1030 regulator_has_full_constraints(); 1031 } 1032 1033 static void __init spitz_fixup(struct tag *tags, char **cmdline) 1034 { 1035 sharpsl_save_param(); 1036 memblock_add(0xa0000000, SZ_64M); 1037 } 1038 1039 #ifdef CONFIG_MACH_SPITZ 1040 MACHINE_START(SPITZ, "SHARP Spitz") 1041 .fixup = spitz_fixup, 1042 .map_io = pxa27x_map_io, 1043 .nr_irqs = PXA_NR_IRQS, 1044 .init_irq = pxa27x_init_irq, 1045 .handle_irq = pxa27x_handle_irq, 1046 .init_machine = spitz_init, 1047 .init_time = pxa_timer_init, 1048 .restart = spitz_restart, 1049 MACHINE_END 1050 #endif 1051 1052 #ifdef CONFIG_MACH_BORZOI 1053 MACHINE_START(BORZOI, "SHARP Borzoi") 1054 .fixup = spitz_fixup, 1055 .map_io = pxa27x_map_io, 1056 .nr_irqs = PXA_NR_IRQS, 1057 .init_irq = pxa27x_init_irq, 1058 .handle_irq = pxa27x_handle_irq, 1059 .init_machine = spitz_init, 1060 .init_time = pxa_timer_init, 1061 .restart = spitz_restart, 1062 MACHINE_END 1063 #endif 1064 1065 #ifdef CONFIG_MACH_AKITA 1066 MACHINE_START(AKITA, "SHARP Akita") 1067 .fixup = spitz_fixup, 1068 .map_io = pxa27x_map_io, 1069 .nr_irqs = PXA_NR_IRQS, 1070 .init_irq = pxa27x_init_irq, 1071 .handle_irq = pxa27x_handle_irq, 1072 .init_machine = spitz_init, 1073 .init_time = pxa_timer_init, 1074 .restart = spitz_restart, 1075 MACHINE_END 1076 #endif 1077