1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Support for HTC Magician PDA phones: 4 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110 5 * and T-Mobile MDA Compact. 6 * 7 * Copyright (c) 2006-2007 Philipp Zabel 8 * 9 * Based on hx4700.c, spitz.c and others. 10 */ 11 12#include <linux/kernel.h> 13#include <linux/init.h> 14#include <linux/platform_device.h> 15#include <linux/delay.h> 16#include <linux/gpio.h> 17#include <linux/gpio/machine.h> 18#include <linux/gpio_keys.h> 19#include <linux/input.h> 20#include <linux/mfd/htc-pasic3.h> 21#include <linux/mtd/physmap.h> 22#include <linux/pda_power.h> 23#include <linux/platform_data/gpio-htc-egpio.h> 24#include <linux/pwm.h> 25#include <linux/pwm_backlight.h> 26#include <linux/regulator/driver.h> 27#include <linux/regulator/fixed.h> 28#include <linux/regulator/gpio-regulator.h> 29#include <linux/regulator/machine.h> 30#include <linux/platform_data/i2c-pxa.h> 31 32#include <mach/hardware.h> 33#include <asm/mach-types.h> 34#include <asm/mach/arch.h> 35#include <asm/system_info.h> 36 37#include "pxa27x.h" 38#include <mach/magician.h> 39#include <linux/platform_data/video-pxafb.h> 40#include <linux/platform_data/mmc-pxamci.h> 41#include <linux/platform_data/irda-pxaficp.h> 42#include <linux/platform_data/usb-ohci-pxa27x.h> 43 44#include <linux/regulator/max1586.h> 45 46#include <linux/platform_data/pxa2xx_udc.h> 47 48#include "udc.h" 49#include "pxa27x-udc.h" 50#include "devices.h" 51#include "generic.h" 52 53#include <linux/spi/spi.h> 54#include <linux/spi/pxa2xx_spi.h> 55#include <linux/spi/ads7846.h> 56 57static unsigned long magician_pin_config[] __initdata = { 58 59 /* SDRAM and Static Memory I/O Signals */ 60 GPIO20_nSDCS_2, 61 GPIO21_nSDCS_3, 62 GPIO15_nCS_1, 63 GPIO78_nCS_2, /* PASIC3 */ 64 GPIO79_nCS_3, /* EGPIO CPLD */ 65 GPIO80_nCS_4, 66 GPIO33_nCS_5, 67 68 /* I2C UDA1380 + OV9640 */ 69 GPIO117_I2C_SCL, 70 GPIO118_I2C_SDA, 71 72 /* PWM 0 - LCD backlight */ 73 GPIO16_PWM0_OUT, 74 75 /* I2S UDA1380 capture */ 76 GPIO28_I2S_BITCLK_OUT, 77 GPIO29_I2S_SDATA_IN, 78 GPIO31_I2S_SYNC, 79 GPIO113_I2S_SYSCLK, 80 81 /* SSP 1 UDA1380 playback */ 82 GPIO23_SSP1_SCLK, 83 GPIO24_SSP1_SFRM, 84 GPIO25_SSP1_TXD, 85 86 /* SSP 2 TSC2046 touchscreen */ 87 GPIO19_SSP2_SCLK, 88 MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */ 89 GPIO89_SSP2_TXD, 90 GPIO88_SSP2_RXD, 91 92 /* MMC/SD/SDHC slot */ 93 GPIO32_MMC_CLK, 94 GPIO92_MMC_DAT_0, 95 GPIO109_MMC_DAT_1, 96 GPIO110_MMC_DAT_2, 97 GPIO111_MMC_DAT_3, 98 GPIO112_MMC_CMD, 99 100 /* LCD */ 101 GPIOxx_LCD_TFT_16BPP, 102 103 /* QCI camera interface */ 104 GPIO12_CIF_DD_7, 105 GPIO17_CIF_DD_6, 106 GPIO50_CIF_DD_3, 107 GPIO51_CIF_DD_2, 108 GPIO52_CIF_DD_4, 109 GPIO53_CIF_MCLK, 110 GPIO54_CIF_PCLK, 111 GPIO55_CIF_DD_1, 112 GPIO81_CIF_DD_0, 113 GPIO82_CIF_DD_5, 114 GPIO84_CIF_FV, 115 GPIO85_CIF_LV, 116 117 /* Magician specific input GPIOs */ 118 GPIO9_GPIO, /* unknown */ 119 GPIO10_GPIO, /* GSM_IRQ */ 120 GPIO13_GPIO, /* CPLD_IRQ */ 121 GPIO107_GPIO, /* DS1WM_IRQ */ 122 GPIO108_GPIO, /* GSM_READY */ 123 GPIO115_GPIO, /* nPEN_IRQ */ 124}; 125 126/* 127 * IrDA 128 */ 129 130static struct pxaficp_platform_data magician_ficp_info = { 131 .gpio_pwdown = GPIO83_MAGICIAN_nIR_EN, 132 .transceiver_cap = IR_SIRMODE | IR_OFF, 133 .gpio_pwdown_inverted = 0, 134}; 135 136/* 137 * GPIO Keys 138 */ 139 140#define INIT_KEY(_code, _gpio, _desc) \ 141 { \ 142 .code = KEY_##_code, \ 143 .gpio = _gpio, \ 144 .desc = _desc, \ 145 .type = EV_KEY, \ 146 .wakeup = 1, \ 147 } 148 149static struct gpio_keys_button magician_button_table[] = { 150 INIT_KEY(POWER, GPIO0_MAGICIAN_KEY_POWER, "Power button"), 151 INIT_KEY(ESC, GPIO37_MAGICIAN_KEY_HANGUP, "Hangup button"), 152 INIT_KEY(F10, GPIO38_MAGICIAN_KEY_CONTACTS, "Contacts button"), 153 INIT_KEY(CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, "Calendar button"), 154 INIT_KEY(CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, "Camera button"), 155 INIT_KEY(UP, GPIO93_MAGICIAN_KEY_UP, "Up button"), 156 INIT_KEY(DOWN, GPIO94_MAGICIAN_KEY_DOWN, "Down button"), 157 INIT_KEY(LEFT, GPIO95_MAGICIAN_KEY_LEFT, "Left button"), 158 INIT_KEY(RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, "Right button"), 159 INIT_KEY(KPENTER, GPIO97_MAGICIAN_KEY_ENTER, "Action button"), 160 INIT_KEY(RECORD, GPIO98_MAGICIAN_KEY_RECORD, "Record button"), 161 INIT_KEY(VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, "Volume up"), 162 INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"), 163 INIT_KEY(PHONE, GPIO102_MAGICIAN_KEY_PHONE, "Phone button"), 164 INIT_KEY(PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, "Headset button"), 165}; 166 167static struct gpio_keys_platform_data gpio_keys_data = { 168 .buttons = magician_button_table, 169 .nbuttons = ARRAY_SIZE(magician_button_table), 170}; 171 172static struct platform_device gpio_keys = { 173 .name = "gpio-keys", 174 .dev = { 175 .platform_data = &gpio_keys_data, 176 }, 177 .id = -1, 178}; 179 180/* 181 * EGPIO (Xilinx CPLD) 182 * 183 * 32-bit aligned 8-bit registers 184 * 16 possible registers (reg windows size), only 7 used: 185 * 3x output, 1x irq, 3x input 186 */ 187 188static struct resource egpio_resources[] = { 189 [0] = { 190 .start = PXA_CS3_PHYS, 191 .end = PXA_CS3_PHYS + 0x20 - 1, 192 .flags = IORESOURCE_MEM, 193 }, 194 [1] = { 195 .start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), 196 .end = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), 197 .flags = IORESOURCE_IRQ, 198 }, 199}; 200 201static struct htc_egpio_chip egpio_chips[] = { 202 [0] = { 203 .reg_start = 0, 204 .gpio_base = MAGICIAN_EGPIO(0, 0), 205 .num_gpios = 24, 206 .direction = HTC_EGPIO_OUTPUT, 207 /* 208 * Depends on modules configuration 209 */ 210 .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */ 211 }, 212 [1] = { 213 .reg_start = 4, 214 .gpio_base = MAGICIAN_EGPIO(4, 0), 215 .num_gpios = 24, 216 .direction = HTC_EGPIO_INPUT, 217 }, 218}; 219 220static struct htc_egpio_platform_data egpio_info = { 221 .reg_width = 8, 222 .bus_width = 32, 223 .irq_base = IRQ_BOARD_START, 224 .num_irqs = 4, 225 .ack_register = 3, 226 .chip = egpio_chips, 227 .num_chips = ARRAY_SIZE(egpio_chips), 228}; 229 230static struct platform_device egpio = { 231 .name = "htc-egpio", 232 .id = -1, 233 .resource = egpio_resources, 234 .num_resources = ARRAY_SIZE(egpio_resources), 235 .dev = { 236 .platform_data = &egpio_info, 237 }, 238}; 239 240/* 241 * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV 242 */ 243 244static struct pxafb_mode_info toppoly_modes[] = { 245 { 246 .pixclock = 96153, 247 .bpp = 16, 248 .xres = 240, 249 .yres = 320, 250 .hsync_len = 11, 251 .vsync_len = 3, 252 .left_margin = 19, 253 .upper_margin = 2, 254 .right_margin = 10, 255 .lower_margin = 2, 256 .sync = 0, 257 }, 258}; 259 260static struct pxafb_mode_info samsung_modes[] = { 261 { 262 .pixclock = 226469, 263 .bpp = 16, 264 .xres = 240, 265 .yres = 320, 266 .hsync_len = 8, 267 .vsync_len = 4, 268 .left_margin = 9, 269 .upper_margin = 4, 270 .right_margin = 9, 271 .lower_margin = 4, 272 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 273 }, 274}; 275 276static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si) 277{ 278 pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off"); 279 280 if (on) { 281 gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); 282 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); 283 udelay(2000); 284 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); 285 udelay(2000); 286 /* FIXME: enable LCDC here */ 287 udelay(2000); 288 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); 289 udelay(2000); 290 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); 291 } else { 292 msleep(15); 293 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); 294 udelay(500); 295 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); 296 udelay(1000); 297 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); 298 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); 299 } 300} 301 302static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) 303{ 304 pr_debug("Samsung LCD power: %s\n", on ? "on" : "off"); 305 306 if (on) { 307 if (system_rev < 3) 308 gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); 309 else 310 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); 311 mdelay(6); 312 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); 313 mdelay(6); /* Avdd -> Voff >5ms */ 314 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); 315 mdelay(16); /* Voff -> Von >(5+10)ms */ 316 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); 317 } else { 318 gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); 319 mdelay(16); 320 gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); 321 mdelay(6); 322 gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); 323 mdelay(6); 324 if (system_rev < 3) 325 gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); 326 else 327 gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); 328 } 329} 330 331static struct pxafb_mach_info toppoly_info = { 332 .modes = toppoly_modes, 333 .num_modes = 1, 334 .fixed_modes = 1, 335 .lcd_conn = LCD_COLOR_TFT_16BPP, 336 .pxafb_lcd_power = toppoly_lcd_power, 337}; 338 339static struct pxafb_mach_info samsung_info = { 340 .modes = samsung_modes, 341 .num_modes = 1, 342 .fixed_modes = 1, 343 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | 344 LCD_ALTERNATE_MAPPING, 345 .pxafb_lcd_power = samsung_lcd_power, 346}; 347 348/* 349 * Backlight 350 */ 351 352static struct pwm_lookup magician_pwm_lookup[] = { 353 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923, 354 PWM_POLARITY_NORMAL), 355}; 356 357 /* 358 * fixed regulator for pwm_backlight 359 */ 360 361static struct regulator_consumer_supply pwm_backlight_supply[] = { 362 REGULATOR_SUPPLY("power", "pwm_backlight"), 363}; 364 365 366static struct gpio magician_bl_gpios[] = { 367 { EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" }, 368 { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" }, 369}; 370 371static int magician_backlight_init(struct device *dev) 372{ 373 return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios)); 374} 375 376static int magician_backlight_notify(struct device *dev, int brightness) 377{ 378 pr_debug("Brightness = %i\n", brightness); 379 gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness); 380 if (brightness >= 200) { 381 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); 382 return brightness - 72; 383 } else { 384 gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); 385 return brightness; 386 } 387} 388 389static void magician_backlight_exit(struct device *dev) 390{ 391 gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios)); 392} 393 394/* 395 * LCD PWM backlight (main) 396 * 397 * MP1521 frequency should be: 398 * 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns 399 */ 400 401static struct platform_pwm_backlight_data backlight_data = { 402 .max_brightness = 272, 403 .dft_brightness = 100, 404 .init = magician_backlight_init, 405 .notify = magician_backlight_notify, 406 .exit = magician_backlight_exit, 407}; 408 409static struct platform_device backlight = { 410 .name = "pwm-backlight", 411 .id = -1, 412 .dev = { 413 .parent = &pxa27x_device_pwm0.dev, 414 .platform_data = &backlight_data, 415 }, 416}; 417 418/* 419 * GPIO LEDs, Phone keys backlight, vibra 420 */ 421 422static struct gpio_led gpio_leds[] = { 423 { 424 .name = "magician::vibra", 425 .default_trigger = "none", 426 .gpio = GPIO22_MAGICIAN_VIBRA_EN, 427 }, 428 { 429 .name = "magician::phone_bl", 430 .default_trigger = "backlight", 431 .gpio = GPIO103_MAGICIAN_LED_KP, 432 }, 433}; 434 435static struct gpio_led_platform_data gpio_led_info = { 436 .leds = gpio_leds, 437 .num_leds = ARRAY_SIZE(gpio_leds), 438}; 439 440static struct platform_device leds_gpio = { 441 .name = "leds-gpio", 442 .id = -1, 443 .dev = { 444 .platform_data = &gpio_led_info, 445 }, 446}; 447 448/* 449 * PASIC3 with DS1WM 450 */ 451 452static struct resource pasic3_resources[] = { 453 [0] = { 454 .start = PXA_CS2_PHYS, 455 .end = PXA_CS2_PHYS + 0x1b, 456 .flags = IORESOURCE_MEM, 457 }, 458 /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */ 459 [1] = { 460 .start = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), 461 .end = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), 462 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 463 } 464}; 465 466static struct pasic3_platform_data pasic3_platform_data = { 467 .clock_rate = 4000000, 468}; 469 470static struct platform_device pasic3 = { 471 .name = "pasic3", 472 .id = -1, 473 .num_resources = ARRAY_SIZE(pasic3_resources), 474 .resource = pasic3_resources, 475 .dev = { 476 .platform_data = &pasic3_platform_data, 477 }, 478}; 479 480/* 481 * PXA UDC 482 */ 483 484static void magician_udc_command(int cmd) 485{ 486 if (cmd == PXA2XX_UDC_CMD_CONNECT) 487 UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; 488 else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) 489 UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE); 490} 491 492static struct pxa2xx_udc_mach_info magician_udc_info __initdata = { 493 .udc_command = magician_udc_command, 494 .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN, 495}; 496 497/* 498 * USB device VBus detection 499 */ 500 501static struct resource gpio_vbus_resource = { 502 .flags = IORESOURCE_IRQ, 503 .start = IRQ_MAGICIAN_VBUS, 504 .end = IRQ_MAGICIAN_VBUS, 505}; 506 507static struct gpiod_lookup_table gpio_vbus_gpiod_table = { 508 .dev_id = "gpio-vbus", 509 .table = { 510 /* 511 * EGPIO on register 4 index 1, the second EGPIO chip 512 * starts at register 4 so this will be at index 1 on that 513 * chip. 514 */ 515 GPIO_LOOKUP("htc-egpio-1", 1, 516 "vbus", GPIO_ACTIVE_HIGH), 517 GPIO_LOOKUP("gpio-pxa", GPIO27_MAGICIAN_USBC_PUEN, 518 "pullup", GPIO_ACTIVE_HIGH), 519 { }, 520 }, 521}; 522 523static struct platform_device gpio_vbus = { 524 .name = "gpio-vbus", 525 .id = -1, 526 .num_resources = 1, 527 .resource = &gpio_vbus_resource, 528}; 529 530/* 531 * External power 532 */ 533 534static int magician_supply_init(struct device *dev) 535{ 536 int ret = -1; 537 538 ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger"); 539 if (ret) { 540 pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret); 541 goto err_ac; 542 } 543 544 ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted"); 545 if (ret) { 546 pr_err("Cannot request cable detection GPIO (%i)\n", ret); 547 goto err_usb; 548 } 549 550 return 0; 551 552err_usb: 553 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); 554err_ac: 555 return ret; 556} 557 558static void magician_set_charge(int flags) 559{ 560 if (flags & PDA_POWER_CHARGE_AC) { 561 pr_debug("Charging from AC\n"); 562 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); 563 } else if (flags & PDA_POWER_CHARGE_USB) { 564 pr_debug("Charging from USB\n"); 565 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); 566 } else { 567 pr_debug("Charging disabled\n"); 568 gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0); 569 } 570} 571 572static int magician_is_ac_online(void) 573{ 574 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && 575 gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */ 576} 577 578static int magician_is_usb_online(void) 579{ 580 return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && 581 (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */ 582} 583 584static void magician_supply_exit(struct device *dev) 585{ 586 gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED); 587 gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); 588} 589 590static char *magician_supplicants[] = { 591 "ds2760-battery.0", "backup-battery" 592}; 593 594static struct pda_power_pdata power_supply_info = { 595 .init = magician_supply_init, 596 .exit = magician_supply_exit, 597 .is_ac_online = magician_is_ac_online, 598 .is_usb_online = magician_is_usb_online, 599 .set_charge = magician_set_charge, 600 .supplied_to = magician_supplicants, 601 .num_supplicants = ARRAY_SIZE(magician_supplicants), 602}; 603 604static struct resource power_supply_resources[] = { 605 [0] = { 606 .name = "ac", 607 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | 608 IORESOURCE_IRQ_LOWEDGE, 609 .start = IRQ_MAGICIAN_VBUS, 610 .end = IRQ_MAGICIAN_VBUS, 611 }, 612 [1] = { 613 .name = "usb", 614 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | 615 IORESOURCE_IRQ_LOWEDGE, 616 .start = IRQ_MAGICIAN_VBUS, 617 .end = IRQ_MAGICIAN_VBUS, 618 }, 619}; 620 621static struct platform_device power_supply = { 622 .name = "pda-power", 623 .id = -1, 624 .dev = { 625 .platform_data = &power_supply_info, 626 }, 627 .resource = power_supply_resources, 628 .num_resources = ARRAY_SIZE(power_supply_resources), 629}; 630 631/* 632 * Battery charger 633 */ 634 635static struct regulator_consumer_supply bq24022_consumers[] = { 636 REGULATOR_SUPPLY("vbus_draw", NULL), 637 REGULATOR_SUPPLY("ac_draw", NULL), 638}; 639 640static struct regulator_init_data bq24022_init_data = { 641 .constraints = { 642 .max_uA = 500000, 643 .valid_ops_mask = REGULATOR_CHANGE_CURRENT | 644 REGULATOR_CHANGE_STATUS, 645 }, 646 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers), 647 .consumer_supplies = bq24022_consumers, 648}; 649 650 651static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW }; 652 653static struct gpio_regulator_state bq24022_states[] = { 654 { .value = 100000, .gpios = (0 << 0) }, 655 { .value = 500000, .gpios = (1 << 0) }, 656}; 657 658static struct gpio_regulator_config bq24022_info = { 659 .supply_name = "bq24022", 660 661 .enabled_at_boot = 1, 662 663 .gflags = bq24022_gpiod_gflags, 664 .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags), 665 666 .states = bq24022_states, 667 .nr_states = ARRAY_SIZE(bq24022_states), 668 669 .type = REGULATOR_CURRENT, 670 .init_data = &bq24022_init_data, 671}; 672 673static struct platform_device bq24022 = { 674 .name = "gpio-regulator", 675 .id = -1, 676 .dev = { 677 .platform_data = &bq24022_info, 678 }, 679}; 680 681static struct gpiod_lookup_table bq24022_gpiod_table = { 682 .dev_id = "gpio-regulator", 683 .table = { 684 GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_BQ24022_ISET2 - MAGICIAN_EGPIO_BASE, 685 NULL, GPIO_ACTIVE_HIGH), 686 GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, 687 "enable", GPIO_ACTIVE_LOW), 688 { }, 689 }, 690}; 691 692/* 693 * fixed regulator for ads7846 694 */ 695 696static struct regulator_consumer_supply ads7846_supply = 697 REGULATOR_SUPPLY("vcc", "spi2.0"); 698 699static struct regulator_init_data vads7846_regulator = { 700 .constraints = { 701 .valid_ops_mask = REGULATOR_CHANGE_STATUS, 702 }, 703 .num_consumer_supplies = 1, 704 .consumer_supplies = &ads7846_supply, 705}; 706 707static struct fixed_voltage_config vads7846 = { 708 .supply_name = "vads7846", 709 .microvolts = 3300000, /* probably */ 710 .startup_delay = 0, 711 .init_data = &vads7846_regulator, 712}; 713 714static struct platform_device vads7846_device = { 715 .name = "reg-fixed-voltage", 716 .id = -1, 717 .dev = { 718 .platform_data = &vads7846, 719 }, 720}; 721 722/* 723 * Vcore regulator MAX1587A 724 */ 725 726static struct regulator_consumer_supply magician_max1587a_consumers[] = { 727 REGULATOR_SUPPLY("vcc_core", NULL), 728}; 729 730static struct regulator_init_data magician_max1587a_v3_info = { 731 .constraints = { 732 .name = "vcc_core range", 733 .min_uV = 700000, 734 .max_uV = 1475000, 735 .always_on = 1, 736 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 737 }, 738 .consumer_supplies = magician_max1587a_consumers, 739 .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers), 740}; 741 742static struct max1586_subdev_data magician_max1587a_subdevs[] = { 743 { 744 .name = "vcc_core", 745 .id = MAX1586_V3, 746 .platform_data = &magician_max1587a_v3_info, 747 } 748}; 749 750static struct max1586_platform_data magician_max1587a_info = { 751 .subdevs = magician_max1587a_subdevs, 752 .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs), 753 /* 754 * NOTICE measured directly on the PCB (board_id == 0x3a), but 755 * if R24 is present, it will boost the voltage 756 * (write 1.475V, get 1.645V and smoke) 757 */ 758 .v3_gain = MAX1586_GAIN_NO_R24, 759}; 760 761static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = { 762 { 763 I2C_BOARD_INFO("max1586", 0x14), 764 .platform_data = &magician_max1587a_info, 765 }, 766}; 767 768/* 769 * MMC/SD 770 */ 771 772static int magician_mci_init(struct device *dev, 773 irq_handler_t detect_irq, void *data) 774{ 775 return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0, 776 "mmc card detect", data); 777} 778 779static void magician_mci_exit(struct device *dev, void *data) 780{ 781 free_irq(IRQ_MAGICIAN_SD, data); 782} 783 784static struct pxamci_platform_data magician_mci_info = { 785 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 786 .init = magician_mci_init, 787 .exit = magician_mci_exit, 788 .gpio_card_ro_invert = 1, 789}; 790 791/* 792 * Write protect on EGPIO register 5 index 4, this is on the second HTC 793 * EGPIO chip which starts at register 4, so we need offset 8+4=12 on that 794 * particular chip. 795 */ 796#define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12 797/* 798 * Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip 799 * starting at register 0 so we need offset 2*8+0 = 16 on that chip. 800 */ 801#define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16 802 803static struct gpiod_lookup_table magician_mci_gpio_table = { 804 .dev_id = "pxa2xx-mci.0", 805 .table = { 806 GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET, 807 "wp", GPIO_ACTIVE_HIGH), 808 GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET, 809 "power", GPIO_ACTIVE_HIGH), 810 { }, 811 }, 812}; 813 814/* 815 * USB OHCI 816 */ 817 818static struct pxaohci_platform_data magician_ohci_info = { 819 .port_mode = PMM_PERPORT_MODE, 820 /* port1: CSR Bluetooth, port2: OTG with UDC */ 821 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, 822 .power_budget = 0, 823 .power_on_delay = 100, 824}; 825 826/* 827 * StrataFlash 828 */ 829 830static int magician_flash_init(struct platform_device *pdev) 831{ 832 int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable"); 833 834 if (ret) { 835 pr_err("Cannot request flash enable GPIO (%i)\n", ret); 836 return ret; 837 } 838 839 ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1); 840 if (ret) { 841 pr_err("Cannot set direction for flash enable (%i)\n", ret); 842 gpio_free(EGPIO_MAGICIAN_FLASH_VPP); 843 } 844 845 return ret; 846} 847 848static void magician_set_vpp(struct platform_device *pdev, int vpp) 849{ 850 gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); 851} 852 853static void magician_flash_exit(struct platform_device *pdev) 854{ 855 gpio_free(EGPIO_MAGICIAN_FLASH_VPP); 856} 857 858static struct resource strataflash_resource = { 859 .start = PXA_CS0_PHYS, 860 .end = PXA_CS0_PHYS + SZ_64M - 1, 861 .flags = IORESOURCE_MEM, 862}; 863 864static struct mtd_partition magician_flash_parts[] = { 865 { 866 .name = "Bootloader", 867 .offset = 0x0, 868 .size = 0x40000, 869 .mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */ 870 }, 871 { 872 .name = "Linux Kernel", 873 .offset = 0x40000, 874 .size = MTDPART_SIZ_FULL, 875 }, 876}; 877 878/* 879 * physmap-flash driver 880 */ 881 882static struct physmap_flash_data strataflash_data = { 883 .width = 4, 884 .init = magician_flash_init, 885 .set_vpp = magician_set_vpp, 886 .exit = magician_flash_exit, 887 .parts = magician_flash_parts, 888 .nr_parts = ARRAY_SIZE(magician_flash_parts), 889}; 890 891static struct platform_device strataflash = { 892 .name = "physmap-flash", 893 .id = -1, 894 .resource = &strataflash_resource, 895 .num_resources = 1, 896 .dev = { 897 .platform_data = &strataflash_data, 898 }, 899}; 900 901/* 902 * PXA I2C main controller 903 */ 904 905static struct i2c_pxa_platform_data i2c_info = { 906 /* OV9640 I2C device doesn't support fast mode */ 907 .fast_mode = 0, 908}; 909 910/* 911 * PXA I2C power controller 912 */ 913 914static struct i2c_pxa_platform_data magician_i2c_power_info = { 915 .fast_mode = 1, 916}; 917 918/* 919 * Touchscreen 920 */ 921 922static struct ads7846_platform_data ads7846_pdata = { 923 .model = 7846, 924 .x_plate_ohms = 317, 925 .y_plate_ohms = 500, 926 .pressure_max = 1023, /* with x plate ohms it will overflow 255 */ 927 .debounce_max = 3, /* first readout is always bad */ 928 .debounce_tol = 30, 929 .debounce_rep = 0, 930 .gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ, 931 .keep_vref_on = 1, 932 .wakeup = true, 933 .vref_delay_usecs = 100, 934 .penirq_recheck_delay_usecs = 100, 935}; 936 937struct pxa2xx_spi_chip tsc2046_chip_info = { 938 .tx_threshold = 1, 939 .rx_threshold = 2, 940 .timeout = 64, 941 /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */ 942 .gpio_cs = GPIO14_MAGICIAN_TSC2046_CS, 943}; 944 945static struct pxa2xx_spi_controller magician_spi_info = { 946 .num_chipselect = 1, 947 .enable_dma = 1, 948}; 949 950static struct spi_board_info ads7846_spi_board_info[] __initdata = { 951 { 952 .modalias = "ads7846", 953 .bus_num = 2, 954 .max_speed_hz = 2500000, 955 .platform_data = &ads7846_pdata, 956 .controller_data = &tsc2046_chip_info, 957 .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ), 958 }, 959}; 960 961/* 962 * Platform devices 963 */ 964 965static struct platform_device *devices[] __initdata = { 966 &gpio_keys, 967 &egpio, 968 &backlight, 969 &pasic3, 970 &bq24022, 971 &gpio_vbus, 972 &power_supply, 973 &strataflash, 974 &leds_gpio, 975 &vads7846_device, 976}; 977 978static struct gpio magician_global_gpios[] = { 979 { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" }, 980 { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" }, 981 982 /* NOTICE valid LCD init sequence */ 983 { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" }, 984 { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" }, 985 { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" }, 986}; 987 988static void __init magician_init(void) 989{ 990 void __iomem *cpld; 991 int lcd_select; 992 int err; 993 994 pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config)); 995 err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios)); 996 if (err) 997 pr_err("magician: Failed to request global GPIOs: %d\n", err); 998 999 pxa_set_ffuart_info(NULL); 1000 pxa_set_btuart_info(NULL); 1001 1002 pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup)); 1003 1004 pxa_set_ficp_info(&magician_ficp_info); 1005 pxa27x_set_i2c_power_info(&magician_i2c_power_info); 1006 pxa_set_i2c_info(&i2c_info); 1007 1008 i2c_register_board_info(1, 1009 ARRAY_AND_SIZE(magician_pwr_i2c_board_info)); 1010 1011 gpiod_add_lookup_table(&magician_mci_gpio_table); 1012 pxa_set_mci_info(&magician_mci_info); 1013 pxa_set_ohci_info(&magician_ohci_info); 1014 pxa_set_udc_info(&magician_udc_info); 1015 1016 /* Check LCD type we have */ 1017 cpld = ioremap(PXA_CS3_PHYS, 0x1000); 1018 if (cpld) { 1019 u8 board_id = __raw_readb(cpld + 0x14); 1020 1021 iounmap(cpld); 1022 system_rev = board_id & 0x7; 1023 lcd_select = board_id & 0x8; 1024 pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly"); 1025 if (lcd_select && (system_rev < 3)) 1026 /* NOTICE valid LCD init sequence */ 1027 gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER, 1028 GPIOF_OUT_INIT_LOW, "Samsung LCD Power"); 1029 pxa_set_fb_info(NULL, 1030 lcd_select ? &samsung_info : &toppoly_info); 1031 } else 1032 pr_err("LCD detection: CPLD mapping failed\n"); 1033 1034 pxa2xx_set_spi_info(2, &magician_spi_info); 1035 spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info)); 1036 1037 regulator_register_always_on(0, "power", pwm_backlight_supply, 1038 ARRAY_SIZE(pwm_backlight_supply), 5000000); 1039 1040 gpiod_add_lookup_table(&bq24022_gpiod_table); 1041 gpiod_add_lookup_table(&gpio_vbus_gpiod_table); 1042 platform_add_devices(ARRAY_AND_SIZE(devices)); 1043} 1044 1045MACHINE_START(MAGICIAN, "HTC Magician") 1046 .atag_offset = 0x100, 1047 .map_io = pxa27x_map_io, 1048 .nr_irqs = MAGICIAN_NR_IRQS, 1049 .init_irq = pxa27x_init_irq, 1050 .handle_irq = pxa27x_handle_irq, 1051 .init_machine = magician_init, 1052 .init_time = pxa_timer_init, 1053 .restart = pxa_restart, 1054MACHINE_END 1055