1/* 2 * Support for HP iPAQ hx4700 PDAs. 3 * 4 * Copyright (c) 2008-2009 Philipp Zabel 5 * 6 * Based on code: 7 * Copyright (c) 2004 Hewlett-Packard Company. 8 * Copyright (c) 2005 SDG Systems, LLC 9 * Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 * 15 */ 16 17#include <linux/kernel.h> 18#include <linux/init.h> 19#include <linux/platform_device.h> 20#include <linux/delay.h> 21#include <linux/fb.h> 22#include <linux/gpio.h> 23#include <linux/gpio_keys.h> 24#include <linux/input.h> 25#include <linux/input/navpoint.h> 26#include <linux/lcd.h> 27#include <linux/mfd/htc-egpio.h> 28#include <linux/mfd/asic3.h> 29#include <linux/mtd/physmap.h> 30#include <linux/pda_power.h> 31#include <linux/pwm.h> 32#include <linux/pwm_backlight.h> 33#include <linux/regulator/driver.h> 34#include <linux/regulator/gpio-regulator.h> 35#include <linux/regulator/machine.h> 36#include <linux/regulator/max1586.h> 37#include <linux/spi/ads7846.h> 38#include <linux/spi/spi.h> 39#include <linux/spi/pxa2xx_spi.h> 40#include <linux/usb/gpio_vbus.h> 41#include <linux/i2c/pxa-i2c.h> 42 43#include <mach/hardware.h> 44#include <asm/mach-types.h> 45#include <asm/mach/arch.h> 46 47#include <mach/pxa27x.h> 48#include <mach/hx4700.h> 49#include <linux/platform_data/irda-pxaficp.h> 50 51#include <sound/ak4641.h> 52#include <video/platform_lcd.h> 53#include <video/w100fb.h> 54 55#include "devices.h" 56#include "generic.h" 57 58/* Physical address space information */ 59 60#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */ 61#define ASIC3_PHYS PXA_CS3_PHYS 62#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000) 63 64static unsigned long hx4700_pin_config[] __initdata = { 65 66 /* SDRAM and Static Memory I/O Signals */ 67 GPIO20_nSDCS_2, 68 GPIO21_nSDCS_3, 69 GPIO15_nCS_1, 70 GPIO78_nCS_2, /* W3220 */ 71 GPIO79_nCS_3, /* ASIC3 */ 72 GPIO80_nCS_4, 73 GPIO33_nCS_5, /* EGPIO, WLAN */ 74 75 /* PC CARD */ 76 GPIO48_nPOE, 77 GPIO49_nPWE, 78 GPIO50_nPIOR, 79 GPIO51_nPIOW, 80 GPIO54_nPCE_2, 81 GPIO55_nPREG, 82 GPIO56_nPWAIT, 83 GPIO57_nIOIS16, 84 GPIO85_nPCE_1, 85 GPIO104_PSKTSEL, 86 87 /* I2C */ 88 GPIO117_I2C_SCL, 89 GPIO118_I2C_SDA, 90 91 /* FFUART (RS-232) */ 92 GPIO34_FFUART_RXD, 93 GPIO35_FFUART_CTS, 94 GPIO36_FFUART_DCD, 95 GPIO37_FFUART_DSR, 96 GPIO38_FFUART_RI, 97 GPIO39_FFUART_TXD, 98 GPIO40_FFUART_DTR, 99 GPIO41_FFUART_RTS, 100 101 /* BTUART */ 102 GPIO42_BTUART_RXD, 103 GPIO43_BTUART_TXD_LPM_LOW, 104 GPIO44_BTUART_CTS, 105 GPIO45_BTUART_RTS_LPM_LOW, 106 107 /* STUART (IRDA) */ 108 GPIO46_STUART_RXD, 109 GPIO47_STUART_TXD, 110 111 /* PWM 1 (Backlight) */ 112 GPIO17_PWM1_OUT, 113 114 /* I2S */ 115 GPIO28_I2S_BITCLK_OUT, 116 GPIO29_I2S_SDATA_IN, 117 GPIO30_I2S_SDATA_OUT, 118 GPIO31_I2S_SYNC, 119 GPIO113_I2S_SYSCLK, 120 121 /* SSP 1 (NavPoint) */ 122 GPIO23_SSP1_SCLK_IN, 123 GPIO24_SSP1_SFRM, 124 GPIO25_SSP1_TXD, 125 GPIO26_SSP1_RXD, 126 127 /* SSP 2 (TSC2046) */ 128 GPIO19_SSP2_SCLK, 129 GPIO86_SSP2_RXD, 130 GPIO87_SSP2_TXD, 131 GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */ 132 133 /* BQ24022 Regulator */ 134 GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */ 135 GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */ 136 137 /* HX4700 specific input GPIOs */ 138 GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */ 139 GPIO13_GPIO, /* W3220_IRQ */ 140 GPIO14_GPIO, /* nWLAN_IRQ */ 141 142 /* HX4700 specific output GPIOs */ 143 GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */ 144 GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */ 145 GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */ 146 GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */ 147 GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */ 148 149 GPIO10_GPIO, /* GSM_IRQ */ 150 GPIO13_GPIO, /* CPLD_IRQ */ 151 GPIO107_GPIO, /* DS1WM_IRQ */ 152 GPIO108_GPIO, /* GSM_READY */ 153 GPIO58_GPIO, /* TSC2046_nPENIRQ */ 154 GPIO66_GPIO, /* nSDIO_IRQ */ 155}; 156 157/* 158 * IRDA 159 */ 160 161static struct pxaficp_platform_data ficp_info = { 162 .gpio_pwdown = GPIO105_HX4700_nIR_ON, 163 .transceiver_cap = IR_SIRMODE | IR_OFF, 164}; 165 166/* 167 * GPIO Keys 168 */ 169 170#define INIT_KEY(_code, _gpio, _active_low, _desc) \ 171 { \ 172 .code = KEY_##_code, \ 173 .gpio = _gpio, \ 174 .active_low = _active_low, \ 175 .desc = _desc, \ 176 .type = EV_KEY, \ 177 .wakeup = 1, \ 178 } 179 180static struct gpio_keys_button gpio_keys_buttons[] = { 181 INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"), 182 INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"), 183 INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"), 184 INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"), 185 INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"), 186 INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"), 187}; 188 189static struct gpio_keys_platform_data gpio_keys_data = { 190 .buttons = gpio_keys_buttons, 191 .nbuttons = ARRAY_SIZE(gpio_keys_buttons), 192}; 193 194static struct platform_device gpio_keys = { 195 .name = "gpio-keys", 196 .dev = { 197 .platform_data = &gpio_keys_data, 198 }, 199 .id = -1, 200}; 201 202/* 203 * Synaptics NavPoint connected to SSP1 204 */ 205 206static struct navpoint_platform_data navpoint_platform_data = { 207 .port = 1, 208 .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON, 209}; 210 211static struct platform_device navpoint = { 212 .name = "navpoint", 213 .id = -1, 214 .dev = { 215 .platform_data = &navpoint_platform_data, 216 }, 217}; 218 219/* 220 * ASIC3 221 */ 222 223static u16 asic3_gpio_config[] = { 224 /* ASIC3 GPIO banks A and B along with some of C and D 225 implement the buffering for the CF slot. */ 226 ASIC3_CONFIG_GPIO(0, 1, 1, 0), 227 ASIC3_CONFIG_GPIO(1, 1, 1, 0), 228 ASIC3_CONFIG_GPIO(2, 1, 1, 0), 229 ASIC3_CONFIG_GPIO(3, 1, 1, 0), 230 ASIC3_CONFIG_GPIO(4, 1, 1, 0), 231 ASIC3_CONFIG_GPIO(5, 1, 1, 0), 232 ASIC3_CONFIG_GPIO(6, 1, 1, 0), 233 ASIC3_CONFIG_GPIO(7, 1, 1, 0), 234 ASIC3_CONFIG_GPIO(8, 1, 1, 0), 235 ASIC3_CONFIG_GPIO(9, 1, 1, 0), 236 ASIC3_CONFIG_GPIO(10, 1, 1, 0), 237 ASIC3_CONFIG_GPIO(11, 1, 1, 0), 238 ASIC3_CONFIG_GPIO(12, 1, 1, 0), 239 ASIC3_CONFIG_GPIO(13, 1, 1, 0), 240 ASIC3_CONFIG_GPIO(14, 1, 1, 0), 241 ASIC3_CONFIG_GPIO(15, 1, 1, 0), 242 243 ASIC3_CONFIG_GPIO(16, 1, 1, 0), 244 ASIC3_CONFIG_GPIO(17, 1, 1, 0), 245 ASIC3_CONFIG_GPIO(18, 1, 1, 0), 246 ASIC3_CONFIG_GPIO(19, 1, 1, 0), 247 ASIC3_CONFIG_GPIO(20, 1, 1, 0), 248 ASIC3_CONFIG_GPIO(21, 1, 1, 0), 249 ASIC3_CONFIG_GPIO(22, 1, 1, 0), 250 ASIC3_CONFIG_GPIO(23, 1, 1, 0), 251 ASIC3_CONFIG_GPIO(24, 1, 1, 0), 252 ASIC3_CONFIG_GPIO(25, 1, 1, 0), 253 ASIC3_CONFIG_GPIO(26, 1, 1, 0), 254 ASIC3_CONFIG_GPIO(27, 1, 1, 0), 255 ASIC3_CONFIG_GPIO(28, 1, 1, 0), 256 ASIC3_CONFIG_GPIO(29, 1, 1, 0), 257 ASIC3_CONFIG_GPIO(30, 1, 1, 0), 258 ASIC3_CONFIG_GPIO(31, 1, 1, 0), 259 260 /* GPIOC - CF, LEDs, SD */ 261 ASIC3_GPIOC0_LED0, /* red */ 262 ASIC3_GPIOC1_LED1, /* green */ 263 ASIC3_GPIOC2_LED2, /* blue */ 264 ASIC3_GPIOC5_nCIOW, 265 ASIC3_GPIOC6_nCIOR, 266 ASIC3_GPIOC7_nPCE_1, 267 ASIC3_GPIOC8_nPCE_2, 268 ASIC3_GPIOC9_nPOE, 269 ASIC3_GPIOC10_nPWE, 270 ASIC3_GPIOC11_PSKTSEL, 271 ASIC3_GPIOC12_nPREG, 272 ASIC3_GPIOC13_nPWAIT, 273 ASIC3_GPIOC14_nPIOIS16, 274 ASIC3_GPIOC15_nPIOR, 275 276 /* GPIOD: input GPIOs, CF */ 277 ASIC3_GPIOD4_CF_nCD, 278 ASIC3_GPIOD11_nCIOIS16, 279 ASIC3_GPIOD12_nCWAIT, 280 ASIC3_GPIOD15_nPIOW, 281}; 282 283static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = { 284 [0] = { 285 .name = "hx4700:amber", 286 .default_trigger = "ds2760-battery.0-charging-blink-full-solid", 287 }, 288 [1] = { 289 .name = "hx4700:green", 290 .default_trigger = "unused", 291 }, 292 [2] = { 293 .name = "hx4700:blue", 294 .default_trigger = "hx4700-radio", 295 }, 296}; 297 298static struct resource asic3_resources[] = { 299 /* GPIO part */ 300 [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT), 301 [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)), 302 /* SD part */ 303 [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT), 304 [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)), 305}; 306 307static struct asic3_platform_data asic3_platform_data = { 308 .gpio_config = asic3_gpio_config, 309 .gpio_config_num = ARRAY_SIZE(asic3_gpio_config), 310 .irq_base = IRQ_BOARD_START, 311 .gpio_base = HX4700_ASIC3_GPIO_BASE, 312 .clock_rate = 4000000, 313 .leds = asic3_leds, 314}; 315 316static struct platform_device asic3 = { 317 .name = "asic3", 318 .id = -1, 319 .resource = asic3_resources, 320 .num_resources = ARRAY_SIZE(asic3_resources), 321 .dev = { 322 .platform_data = &asic3_platform_data, 323 }, 324}; 325 326/* 327 * EGPIO 328 */ 329 330static struct resource egpio_resources[] = { 331 [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4), 332}; 333 334static struct htc_egpio_chip egpio_chips[] = { 335 [0] = { 336 .reg_start = 0, 337 .gpio_base = HX4700_EGPIO_BASE, 338 .num_gpios = 8, 339 .direction = HTC_EGPIO_OUTPUT, 340 }, 341}; 342 343static struct htc_egpio_platform_data egpio_info = { 344 .reg_width = 16, 345 .bus_width = 16, 346 .chip = egpio_chips, 347 .num_chips = ARRAY_SIZE(egpio_chips), 348}; 349 350static struct platform_device egpio = { 351 .name = "htc-egpio", 352 .id = -1, 353 .resource = egpio_resources, 354 .num_resources = ARRAY_SIZE(egpio_resources), 355 .dev = { 356 .platform_data = &egpio_info, 357 }, 358}; 359 360/* 361 * LCD - Sony display connected to ATI Imageon w3220 362 */ 363 364static void sony_lcd_init(void) 365{ 366 gpio_set_value(GPIO84_HX4700_LCD_SQN, 1); 367 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); 368 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0); 369 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0); 370 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0); 371 mdelay(10); 372 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0); 373 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); 374 mdelay(20); 375 376 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1); 377 mdelay(5); 378 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1); 379 380 /* FIXME: init w3220 registers here */ 381 382 mdelay(5); 383 gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1); 384 mdelay(10); 385 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1); 386 mdelay(10); 387 gpio_set_value(GPIO59_HX4700_LCD_PC1, 1); 388 mdelay(10); 389 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1); 390} 391 392static void sony_lcd_off(void) 393{ 394 gpio_set_value(GPIO59_HX4700_LCD_PC1, 0); 395 gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0); 396 mdelay(10); 397 gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0); 398 mdelay(10); 399 gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0); 400 mdelay(10); 401 gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); 402} 403 404#ifdef CONFIG_PM 405static void w3220_lcd_suspend(struct w100fb_par *wfb) 406{ 407 sony_lcd_off(); 408} 409 410static void w3220_lcd_resume(struct w100fb_par *wfb) 411{ 412 sony_lcd_init(); 413} 414#else 415#define w3220_lcd_resume NULL 416#define w3220_lcd_suspend NULL 417#endif 418 419static struct w100_tg_info w3220_tg_info = { 420 .suspend = w3220_lcd_suspend, 421 .resume = w3220_lcd_resume, 422}; 423 424/* W3220_VGA QVGA */ 425static struct w100_gen_regs w3220_regs = { 426 .lcd_format = 0x00000003, 427 .lcdd_cntl1 = 0x00000000, 428 .lcdd_cntl2 = 0x0003ffff, 429 .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */ 430 .genlcd_cntl2 = 0x00000003, 431 .genlcd_cntl3 = 0x000102aa, 432}; 433 434static struct w100_mode w3220_modes[] = { 435{ 436 .xres = 480, 437 .yres = 640, 438 .left_margin = 15, 439 .right_margin = 16, 440 .upper_margin = 8, 441 .lower_margin = 7, 442 .crtc_ss = 0x00000000, 443 .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */ 444 .crtc_gs = 0xc0000000, /* 0x40000000 */ 445 .crtc_vpos_gs = 0x0000028f, 446 .crtc_ps1_active = 0x00000000, /* 0x41060010 */ 447 .crtc_rev = 0, 448 .crtc_dclk = 0x80000000, 449 .crtc_gclk = 0x040a0104, 450 .crtc_goe = 0, 451 .pll_freq = 95, 452 .pixclk_divider = 4, 453 .pixclk_divider_rotated = 4, 454 .pixclk_src = CLK_SRC_PLL, 455 .sysclk_divider = 0, 456 .sysclk_src = CLK_SRC_PLL, 457}, 458{ 459 .xres = 240, 460 .yres = 320, 461 .left_margin = 9, 462 .right_margin = 8, 463 .upper_margin = 5, 464 .lower_margin = 4, 465 .crtc_ss = 0x80150014, 466 .crtc_ls = 0xa0fb00f7, 467 .crtc_gs = 0xc0080007, 468 .crtc_vpos_gs = 0x00080007, 469 .crtc_rev = 0x0000000a, 470 .crtc_dclk = 0x81700030, 471 .crtc_gclk = 0x8015010f, 472 .crtc_goe = 0x00000000, 473 .pll_freq = 95, 474 .pixclk_divider = 4, 475 .pixclk_divider_rotated = 4, 476 .pixclk_src = CLK_SRC_PLL, 477 .sysclk_divider = 0, 478 .sysclk_src = CLK_SRC_PLL, 479}, 480}; 481 482struct w100_mem_info w3220_mem_info = { 483 .ext_cntl = 0x09640011, 484 .sdram_mode_reg = 0x00600021, 485 .ext_timing_cntl = 0x1a001545, /* 0x15001545 */ 486 .io_cntl = 0x7ddd7333, 487 .size = 0x1fffff, 488}; 489 490struct w100_bm_mem_info w3220_bm_mem_info = { 491 .ext_mem_bw = 0x50413e01, 492 .offset = 0, 493 .ext_timing_ctl = 0x00043f7f, 494 .ext_cntl = 0x00000010, 495 .mode_reg = 0x00250000, 496 .io_cntl = 0x0fff0000, 497 .config = 0x08301480, 498}; 499 500static struct w100_gpio_regs w3220_gpio_info = { 501 .init_data1 = 0xdfe00100, /* GPIO_DATA */ 502 .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */ 503 .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */ 504 .init_data2 = 0x00000000, /* GPIO_DATA2 */ 505 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */ 506 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */ 507}; 508 509static struct w100fb_mach_info w3220_info = { 510 .tg = &w3220_tg_info, 511 .mem = &w3220_mem_info, 512 .bm_mem = &w3220_bm_mem_info, 513 .gpio = &w3220_gpio_info, 514 .regs = &w3220_regs, 515 .modelist = w3220_modes, 516 .num_modes = 2, 517 .xtal_freq = 16000000, 518}; 519 520static struct resource w3220_resources[] = { 521 [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M), 522}; 523 524static struct platform_device w3220 = { 525 .name = "w100fb", 526 .id = -1, 527 .dev = { 528 .platform_data = &w3220_info, 529 }, 530 .num_resources = ARRAY_SIZE(w3220_resources), 531 .resource = w3220_resources, 532}; 533 534static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power) 535{ 536 if (power) 537 sony_lcd_init(); 538 else 539 sony_lcd_off(); 540} 541 542static struct plat_lcd_data hx4700_lcd_data = { 543 .set_power = hx4700_lcd_set_power, 544}; 545 546static struct platform_device hx4700_lcd = { 547 .name = "platform-lcd", 548 .id = -1, 549 .dev = { 550 .platform_data = &hx4700_lcd_data, 551 .parent = &w3220.dev, 552 }, 553}; 554 555/* 556 * Backlight 557 */ 558 559static struct platform_pwm_backlight_data backlight_data = { 560 .max_brightness = 200, 561 .dft_brightness = 100, 562 .enable_gpio = -1, 563}; 564 565static struct platform_device backlight = { 566 .name = "pwm-backlight", 567 .id = -1, 568 .dev = { 569 .parent = &pxa27x_device_pwm1.dev, 570 .platform_data = &backlight_data, 571 }, 572}; 573 574static struct pwm_lookup hx4700_pwm_lookup[] = { 575 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL, 576 30923, PWM_POLARITY_NORMAL), 577}; 578 579/* 580 * USB "Transceiver" 581 */ 582 583static struct gpio_vbus_mach_info gpio_vbus_info = { 584 .gpio_pullup = GPIO76_HX4700_USBC_PUEN, 585 .gpio_vbus = GPIOD14_nUSBC_DETECT, 586 .gpio_vbus_inverted = 1, 587}; 588 589static struct platform_device gpio_vbus = { 590 .name = "gpio-vbus", 591 .id = -1, 592 .dev = { 593 .platform_data = &gpio_vbus_info, 594 }, 595}; 596 597/* 598 * Touchscreen - TSC2046 connected to SSP2 599 */ 600 601static const struct ads7846_platform_data tsc2046_info = { 602 .model = 7846, 603 .vref_delay_usecs = 100, 604 .pressure_max = 1024, 605 .debounce_max = 10, 606 .debounce_tol = 3, 607 .debounce_rep = 1, 608 .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ, 609}; 610 611static struct pxa2xx_spi_chip tsc2046_chip = { 612 .tx_threshold = 1, 613 .rx_threshold = 2, 614 .timeout = 64, 615 .gpio_cs = GPIO88_HX4700_TSC2046_CS, 616}; 617 618static struct spi_board_info tsc2046_board_info[] __initdata = { 619 { 620 .modalias = "ads7846", 621 .bus_num = 2, 622 .max_speed_hz = 2600000, /* 100 kHz sample rate */ 623 .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ), 624 .platform_data = &tsc2046_info, 625 .controller_data = &tsc2046_chip, 626 }, 627}; 628 629static struct pxa2xx_spi_master pxa_ssp2_master_info = { 630 .num_chipselect = 1, 631 .enable_dma = 1, 632}; 633 634/* 635 * External power 636 */ 637 638static int power_supply_init(struct device *dev) 639{ 640 return gpio_request(GPIOD9_nAC_IN, "AC charger detect"); 641} 642 643static int hx4700_is_ac_online(void) 644{ 645 return !gpio_get_value(GPIOD9_nAC_IN); 646} 647 648static void power_supply_exit(struct device *dev) 649{ 650 gpio_free(GPIOD9_nAC_IN); 651} 652 653static char *hx4700_supplicants[] = { 654 "ds2760-battery.0", "backup-battery" 655}; 656 657static struct pda_power_pdata power_supply_info = { 658 .init = power_supply_init, 659 .is_ac_online = hx4700_is_ac_online, 660 .exit = power_supply_exit, 661 .supplied_to = hx4700_supplicants, 662 .num_supplicants = ARRAY_SIZE(hx4700_supplicants), 663}; 664 665static struct resource power_supply_resources[] = { 666 [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac", 667 IORESOURCE_IRQ | 668 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), 669 [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb", 670 IORESOURCE_IRQ | 671 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), 672}; 673 674static struct platform_device power_supply = { 675 .name = "pda-power", 676 .id = -1, 677 .dev = { 678 .platform_data = &power_supply_info, 679 }, 680 .resource = power_supply_resources, 681 .num_resources = ARRAY_SIZE(power_supply_resources), 682}; 683 684/* 685 * Battery charger 686 */ 687 688static struct regulator_consumer_supply bq24022_consumers[] = { 689 REGULATOR_SUPPLY("vbus_draw", NULL), 690 REGULATOR_SUPPLY("ac_draw", NULL), 691}; 692 693static struct regulator_init_data bq24022_init_data = { 694 .constraints = { 695 .max_uA = 500000, 696 .valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS, 697 }, 698 .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers), 699 .consumer_supplies = bq24022_consumers, 700}; 701 702static struct gpio bq24022_gpios[] = { 703 { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" }, 704}; 705 706static struct gpio_regulator_state bq24022_states[] = { 707 { .value = 100000, .gpios = (0 << 0) }, 708 { .value = 500000, .gpios = (1 << 0) }, 709}; 710 711static struct gpio_regulator_config bq24022_info = { 712 .supply_name = "bq24022", 713 714 .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN, 715 .enable_high = 0, 716 .enabled_at_boot = 0, 717 718 .gpios = bq24022_gpios, 719 .nr_gpios = ARRAY_SIZE(bq24022_gpios), 720 721 .states = bq24022_states, 722 .nr_states = ARRAY_SIZE(bq24022_states), 723 724 .type = REGULATOR_CURRENT, 725 .init_data = &bq24022_init_data, 726}; 727 728static struct platform_device bq24022 = { 729 .name = "gpio-regulator", 730 .id = -1, 731 .dev = { 732 .platform_data = &bq24022_info, 733 }, 734}; 735 736/* 737 * StrataFlash 738 */ 739 740static void hx4700_set_vpp(struct platform_device *pdev, int vpp) 741{ 742 gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp); 743} 744 745static struct resource strataflash_resource[] = { 746 [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M), 747 [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M), 748}; 749 750static struct physmap_flash_data strataflash_data = { 751 .width = 4, 752 .set_vpp = hx4700_set_vpp, 753}; 754 755static struct platform_device strataflash = { 756 .name = "physmap-flash", 757 .id = -1, 758 .resource = strataflash_resource, 759 .num_resources = ARRAY_SIZE(strataflash_resource), 760 .dev = { 761 .platform_data = &strataflash_data, 762 }, 763}; 764 765/* 766 * Maxim MAX1587A on PI2C 767 */ 768 769static struct regulator_consumer_supply max1587a_consumer = 770 REGULATOR_SUPPLY("vcc_core", NULL); 771 772static struct regulator_init_data max1587a_v3_info = { 773 .constraints = { 774 .name = "vcc_core range", 775 .min_uV = 900000, 776 .max_uV = 1705000, 777 .always_on = 1, 778 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 779 }, 780 .num_consumer_supplies = 1, 781 .consumer_supplies = &max1587a_consumer, 782}; 783 784static struct max1586_subdev_data max1587a_subdev = { 785 .name = "vcc_core", 786 .id = MAX1586_V3, 787 .platform_data = &max1587a_v3_info, 788}; 789 790static struct max1586_platform_data max1587a_info = { 791 .num_subdevs = 1, 792 .subdevs = &max1587a_subdev, 793 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ 794}; 795 796static struct i2c_board_info __initdata pi2c_board_info[] = { 797 { 798 I2C_BOARD_INFO("max1586", 0x14), 799 .platform_data = &max1587a_info, 800 }, 801}; 802 803/* 804 * Asahi Kasei AK4641 on I2C 805 */ 806 807static struct ak4641_platform_data ak4641_info = { 808 .gpio_power = GPIO27_HX4700_CODEC_ON, 809 .gpio_npdn = GPIO109_HX4700_CODEC_nPDN, 810}; 811 812static struct i2c_board_info i2c_board_info[] __initdata = { 813 { 814 I2C_BOARD_INFO("ak4641", 0x12), 815 .platform_data = &ak4641_info, 816 }, 817}; 818 819static struct platform_device audio = { 820 .name = "hx4700-audio", 821 .id = -1, 822}; 823 824 825/* 826 * Platform devices 827 */ 828 829static struct platform_device *devices[] __initdata = { 830 &asic3, 831 &gpio_keys, 832 &navpoint, 833 &backlight, 834 &w3220, 835 &hx4700_lcd, 836 &egpio, 837 &bq24022, 838 &gpio_vbus, 839 &power_supply, 840 &strataflash, 841 &audio, 842}; 843 844static struct gpio global_gpios[] = { 845 { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" }, 846 { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" }, 847 { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" }, 848 { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" }, 849 { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" }, 850 { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" }, 851 { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" }, 852 { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" }, 853 { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" }, 854 { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" }, 855 { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" }, 856 { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" }, 857 { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" }, 858 { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" }, 859 { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" }, 860}; 861 862static void __init hx4700_init(void) 863{ 864 int ret; 865 866 PCFR = PCFR_GPR_EN | PCFR_OPDE; 867 868 pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config)); 869 gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1); 870 ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); 871 if (ret) 872 pr_err ("hx4700: Failed to request GPIOs.\n"); 873 874 pxa_set_ffuart_info(NULL); 875 pxa_set_btuart_info(NULL); 876 pxa_set_stuart_info(NULL); 877 878 platform_add_devices(devices, ARRAY_SIZE(devices)); 879 pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup)); 880 881 pxa_set_ficp_info(&ficp_info); 882 pxa27x_set_i2c_power_info(NULL); 883 pxa_set_i2c_info(NULL); 884 i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info)); 885 i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info)); 886 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info); 887 spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info)); 888 889 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0); 890 mdelay(10); 891 gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1); 892 mdelay(10); 893 894 regulator_has_full_constraints(); 895} 896 897MACHINE_START(H4700, "HP iPAQ HX4700") 898 .atag_offset = 0x100, 899 .map_io = pxa27x_map_io, 900 .nr_irqs = HX4700_NR_IRQS, 901 .init_irq = pxa27x_init_irq, 902 .handle_irq = pxa27x_handle_irq, 903 .init_machine = hx4700_init, 904 .init_time = pxa_timer_init, 905 .restart = pxa_restart, 906MACHINE_END 907