arch/arm/mach-pxa/palmtreo.c

   1 /*
   2  * Hardware definitions for Palm Treo smartphones
   3  *
   4  * currently supported:
   5  *     Palm Treo 680 (GSM)
   6  *     Palm Centro 685 (GSM)
   7  *
   8  * Author:     Tomas Cech <sleep_walker@suse.cz>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  * (find more info at www.hackndev.com)
  15  *
  16  */
  17
  18 #include <linux/platform_device.h>
  19 #include <linux/delay.h>
  20 #include <linux/irq.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/memblock.h>
  24 #include <linux/pda_power.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/gpio.h>
  27 #include <linux/power_supply.h>
  28 #include <linux/w1-gpio.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <mach/pxa27x.h>
  35 #include <mach/pxa27x-udc.h>
  36 #include <mach/audio.h>
  37 #include <mach/palmtreo.h>
  38 #include <linux/platform_data/mmc-pxamci.h>
  39 #include <linux/platform_data/video-pxafb.h>
  40 #include <linux/platform_data/irda-pxaficp.h>
  41 #include <linux/platform_data/keypad-pxa27x.h>
  42 #include <mach/udc.h>
  43 #include <linux/platform_data/usb-ohci-pxa27x.h>
  44 #include <mach/pxa2xx-regs.h>
  45 #include <linux/platform_data/asoc-palm27x.h>
  46 #include <linux/platform_data/camera-pxa.h>
  47 #include <mach/palm27x.h>
  48
  49 #include <sound/pxa2xx-lib.h>
  50
  51 #include "generic.h"
  52 #include "devices.h"
  53
  54 /******************************************************************************
  55  * Pin configuration
  56  ******************************************************************************/
  57 static unsigned long treo_pin_config[] __initdata = {
  58         /* MMC */
  59         GPIO32_MMC_CLK,
  60         GPIO92_MMC_DAT_0,
  61         GPIO109_MMC_DAT_1,
  62         GPIO110_MMC_DAT_2,
  63         GPIO111_MMC_DAT_3,
  64         GPIO112_MMC_CMD,
  65         GPIO113_GPIO,                           /* SD detect */
  66
  67         /* AC97 */
  68         GPIO28_AC97_BITCLK,
  69         GPIO29_AC97_SDATA_IN_0,
  70         GPIO30_AC97_SDATA_OUT,
  71         GPIO31_AC97_SYNC,
  72         GPIO89_AC97_SYSCLK,
  73         GPIO95_AC97_nRESET,
  74
  75         /* IrDA */
  76         GPIO46_FICP_RXD,
  77         GPIO47_FICP_TXD,
  78
  79         /* PWM */
  80         GPIO16_PWM0_OUT,
  81
  82         /* USB */
  83         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* usb detect */
  84
  85         /* MATRIX KEYPAD */
  86         GPIO101_KP_MKIN_1,
  87         GPIO102_KP_MKIN_2,
  88         GPIO97_KP_MKIN_3,
  89         GPIO98_KP_MKIN_4,
  90         GPIO91_KP_MKIN_6,
  91         GPIO13_KP_MKIN_7,
  92         GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
  93         GPIO104_KP_MKOUT_1,
  94         GPIO105_KP_MKOUT_2,
  95         GPIO106_KP_MKOUT_3,
  96         GPIO107_KP_MKOUT_4,
  97         GPIO108_KP_MKOUT_5,
  98         GPIO96_KP_MKOUT_6,
  99         GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,        /* Hotsync button */
 100
 101         /* Quick Capture Interface */
 102         GPIO84_CIF_FV,
 103         GPIO85_CIF_LV,
 104         GPIO53_CIF_MCLK,
 105         GPIO54_CIF_PCLK,
 106         GPIO81_CIF_DD_0,
 107         GPIO55_CIF_DD_1,
 108         GPIO51_CIF_DD_2,
 109         GPIO50_CIF_DD_3,
 110         GPIO52_CIF_DD_4,
 111         GPIO48_CIF_DD_5,
 112         GPIO17_CIF_DD_6,
 113         GPIO12_CIF_DD_7,
 114
 115         /* I2C */
 116         GPIO117_I2C_SCL,
 117         GPIO118_I2C_SDA,
 118
 119         /* GSM */
 120         GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,      /* GSM host wake up */
 121         GPIO34_FFUART_RXD,
 122         GPIO35_FFUART_CTS,
 123         GPIO39_FFUART_TXD,
 124         GPIO41_FFUART_RTS,
 125
 126         /* MISC. */
 127         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* external power detect */
 128         GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,      /* silent switch */
 129         GPIO116_GPIO,                           /* headphone detect */
 130         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* bluetooth host wake up */
 131 };
 132
 133 #ifdef CONFIG_MACH_TREO680
 134 static unsigned long treo680_pin_config[] __initdata = {
 135         GPIO33_GPIO,    /* SD read only */
 136
 137         /* MATRIX KEYPAD - different wake up source */
 138         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 139         GPIO99_KP_MKIN_5,
 140
 141         /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
 142         GPIOxx_LCD_16BPP,
 143         GPIO74_LCD_FCLK,
 144         GPIO75_LCD_LCLK,
 145         GPIO76_LCD_PCLK,
 146 };
 147 #endif /* CONFIG_MACH_TREO680 */
 148
 149 #ifdef CONFIG_MACH_CENTRO
 150 static unsigned long centro685_pin_config[] __initdata = {
 151         /* Bluetooth attached to BT UART*/
 152         MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW),    /* power: LOW = off */
 153         GPIO42_BTUART_RXD,
 154         GPIO43_BTUART_TXD,
 155         GPIO44_BTUART_CTS,
 156         GPIO45_BTUART_RTS,
 157
 158         /* MATRIX KEYPAD - different wake up source */
 159         GPIO100_KP_MKIN_0,
 160         GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
 161
 162         /* LCD */
 163         GPIOxx_LCD_TFT_16BPP,
 164 };
 165 #endif /* CONFIG_MACH_CENTRO */
 166
 167 /******************************************************************************
 168  * GPIO keyboard
 169  ******************************************************************************/
 170 #if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
 171 static unsigned int treo680_matrix_keys[] = {
 172         KEY(0, 0, KEY_F8),              /* Red/Off/Power */
 173         KEY(0, 1, KEY_LEFT),
 174         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
 175         KEY(0, 3, KEY_L),
 176         KEY(0, 4, KEY_A),
 177         KEY(0, 5, KEY_Q),
 178         KEY(0, 6, KEY_P),
 179
 180         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
 181         KEY(1, 1, KEY_RIGHT),
 182         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
 183         KEY(1, 3, KEY_Z),
 184         KEY(1, 4, KEY_S),
 185         KEY(1, 5, KEY_W),
 186
 187         KEY(2, 0, KEY_F1),              /* Phone */
 188         KEY(2, 1, KEY_UP),
 189         KEY(2, 2, KEY_0),
 190         KEY(2, 3, KEY_X),
 191         KEY(2, 4, KEY_D),
 192         KEY(2, 5, KEY_E),
 193
 194         KEY(3, 0, KEY_F10),             /* Calendar */
 195         KEY(3, 1, KEY_DOWN),
 196         KEY(3, 2, KEY_SPACE),
 197         KEY(3, 3, KEY_C),
 198         KEY(3, 4, KEY_F),
 199         KEY(3, 5, KEY_R),
 200
 201         KEY(4, 0, KEY_F12),             /* Mail */
 202         KEY(4, 1, KEY_KPENTER),
 203         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
 204         KEY(4, 3, KEY_V),
 205         KEY(4, 4, KEY_G),
 206         KEY(4, 5, KEY_T),
 207
 208         KEY(5, 0, KEY_F9),              /* Home */
 209         KEY(5, 1, KEY_PAGEUP),          /* Side up */
 210         KEY(5, 2, KEY_DOT),
 211         KEY(5, 3, KEY_B),
 212         KEY(5, 4, KEY_H),
 213         KEY(5, 5, KEY_Y),
 214
 215         KEY(6, 0, KEY_TAB),             /* Side Activate */
 216         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
 217         KEY(6, 2, KEY_ENTER),
 218         KEY(6, 3, KEY_N),
 219         KEY(6, 4, KEY_J),
 220         KEY(6, 5, KEY_U),
 221
 222         KEY(7, 0, KEY_F6),              /* Green/Call */
 223         KEY(7, 1, KEY_O),
 224         KEY(7, 2, KEY_BACKSPACE),
 225         KEY(7, 3, KEY_M),
 226         KEY(7, 4, KEY_K),
 227         KEY(7, 5, KEY_I),
 228 };
 229
 230 static unsigned int centro_matrix_keys[] = {
 231         KEY(0, 0, KEY_F9),              /* Home */
 232         KEY(0, 1, KEY_LEFT),
 233         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
 234         KEY(0, 3, KEY_L),
 235         KEY(0, 4, KEY_A),
 236         KEY(0, 5, KEY_Q),
 237         KEY(0, 6, KEY_P),
 238
 239         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
 240         KEY(1, 1, KEY_RIGHT),
 241         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
 242         KEY(1, 3, KEY_Z),
 243         KEY(1, 4, KEY_S),
 244         KEY(1, 5, KEY_W),
 245
 246         KEY(2, 0, KEY_F1),              /* Phone */
 247         KEY(2, 1, KEY_UP),
 248         KEY(2, 2, KEY_0),
 249         KEY(2, 3, KEY_X),
 250         KEY(2, 4, KEY_D),
 251         KEY(2, 5, KEY_E),
 252
 253         KEY(3, 0, KEY_F10),             /* Calendar */
 254         KEY(3, 1, KEY_DOWN),
 255         KEY(3, 2, KEY_SPACE),
 256         KEY(3, 3, KEY_C),
 257         KEY(3, 4, KEY_F),
 258         KEY(3, 5, KEY_R),
 259
 260         KEY(4, 0, KEY_F12),             /* Mail */
 261         KEY(4, 1, KEY_KPENTER),
 262         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
 263         KEY(4, 3, KEY_V),
 264         KEY(4, 4, KEY_G),
 265         KEY(4, 5, KEY_T),
 266
 267         KEY(5, 0, KEY_F8),              /* Red/Off/Power */
 268         KEY(5, 1, KEY_PAGEUP),          /* Side up */
 269         KEY(5, 2, KEY_DOT),
 270         KEY(5, 3, KEY_B),
 271         KEY(5, 4, KEY_H),
 272         KEY(5, 5, KEY_Y),
 273
 274         KEY(6, 0, KEY_TAB),             /* Side Activate */
 275         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
 276         KEY(6, 2, KEY_ENTER),
 277         KEY(6, 3, KEY_N),
 278         KEY(6, 4, KEY_J),
 279         KEY(6, 5, KEY_U),
 280
 281         KEY(7, 0, KEY_F6),              /* Green/Call */
 282         KEY(7, 1, KEY_O),
 283         KEY(7, 2, KEY_BACKSPACE),
 284         KEY(7, 3, KEY_M),
 285         KEY(7, 4, KEY_K),
 286         KEY(7, 5, KEY_I),
 287 };
 288
 289 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
 290         .matrix_key_rows        = 8,
 291         .matrix_key_cols        = 7,
 292         .matrix_key_map         = treo680_matrix_keys,
 293         .matrix_key_map_size    = ARRAY_SIZE(treo680_matrix_keys),
 294         .direct_key_map         = { KEY_CONNECT },
 295         .direct_key_num         = 1,
 296
 297         .debounce_interval      = 30,
 298 };
 299
 300 static void __init palmtreo_kpc_init(void)
 301 {
 302         static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
 303
 304         if (machine_is_centro()) {
 305                 data->matrix_key_map = centro_matrix_keys;
 306                 data->matrix_key_map_size = ARRAY_SIZE(centro_matrix_keys);
 307         }
 308
 309         pxa_set_keypad_info(&treo680_keypad_pdata);
 310 }
 311 #else
 312 static inline void palmtreo_kpc_init(void) {}
 313 #endif
 314
 315 /******************************************************************************
 316  * USB host
 317  ******************************************************************************/
 318 #if IS_ENABLED(CONFIG_USB_OHCI_HCD)
 319 static struct pxaohci_platform_data treo680_ohci_info = {
 320         .port_mode    = PMM_PERPORT_MODE,
 321         .flags        = ENABLE_PORT1 | ENABLE_PORT3,
 322         .power_budget = 0,
 323 };
 324
 325 static void __init palmtreo_uhc_init(void)
 326 {
 327         if (machine_is_treo680())
 328                 pxa_set_ohci_info(&treo680_ohci_info);
 329 }
 330 #else
 331 static inline void palmtreo_uhc_init(void) {}
 332 #endif
 333
 334 /******************************************************************************
 335  * Vibra and LEDs
 336  ******************************************************************************/
 337 static struct gpio_led treo680_gpio_leds[] = {
 338         {
 339                 .name                   = "treo680:vibra:vibra",
 340                 .default_trigger        = "none",
 341                 .gpio                   = GPIO_NR_TREO680_VIBRATE_EN,
 342         },
 343         {
 344                 .name                   = "treo680:green:led",
 345                 .default_trigger        = "mmc0",
 346                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 347         },
 348         {
 349                 .name                   = "treo680:white:keybbl",
 350                 .default_trigger        = "none",
 351                 .gpio                   = GPIO_NR_TREO680_KEYB_BL,
 352         },
 353 };
 354
 355 static struct gpio_led_platform_data treo680_gpio_led_info = {
 356         .leds           = treo680_gpio_leds,
 357         .num_leds       = ARRAY_SIZE(treo680_gpio_leds),
 358 };
 359
 360 static struct gpio_led centro_gpio_leds[] = {
 361         {
 362                 .name                   = "centro:vibra:vibra",
 363                 .default_trigger        = "none",
 364                 .gpio                   = GPIO_NR_CENTRO_VIBRATE_EN,
 365         },
 366         {
 367                 .name                   = "centro:green:led",
 368                 .default_trigger        = "mmc0",
 369                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 370         },
 371         {
 372                 .name                   = "centro:white:keybbl",
 373                 .default_trigger        = "none",
 374                 .active_low             = 1,
 375                 .gpio                   = GPIO_NR_CENTRO_KEYB_BL,
 376         },
 377 };
 378
 379 static struct gpio_led_platform_data centro_gpio_led_info = {
 380         .leds           = centro_gpio_leds,
 381         .num_leds       = ARRAY_SIZE(centro_gpio_leds),
 382 };
 383
 384 static struct platform_device palmtreo_leds = {
 385         .name   = "leds-gpio",
 386         .id     = -1,
 387 };
 388
 389 static void __init palmtreo_leds_init(void)
 390 {
 391         if (machine_is_centro())
 392                 palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
 393         else if (machine_is_treo680())
 394                 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
 395
 396         platform_device_register(&palmtreo_leds);
 397 }
 398
 399 /******************************************************************************
 400  * diskonchip docg4 flash
 401  ******************************************************************************/
 402 #if defined(CONFIG_MACH_TREO680)
 403 /* REVISIT: does the centro have this device also? */
 404 #if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
 405 static struct resource docg4_resources[] = {
 406         {
 407                 .start  = 0x00000000,
 408                 .end    = 0x00001FFF,
 409                 .flags  = IORESOURCE_MEM,
 410         },
 411 };
 412
 413 static struct platform_device treo680_docg4_flash = {
 414         .name   = "docg4",
 415         .id     = -1,
 416         .resource = docg4_resources,
 417         .num_resources = ARRAY_SIZE(docg4_resources),
 418 };
 419
 420 static void __init treo680_docg4_flash_init(void)
 421 {
 422         platform_device_register(&treo680_docg4_flash);
 423 }
 424 #else
 425 static inline void treo680_docg4_flash_init(void) {}
 426 #endif
 427 #endif
 428
 429 /******************************************************************************
 430  * Machine init
 431  ******************************************************************************/
 432 static void __init treo_reserve(void)
 433 {
 434         memblock_reserve(0xa0000000, 0x1000);
 435         memblock_reserve(0xa2000000, 0x1000);
 436 }
 437
 438 static void __init palmphone_common_init(void)
 439 {
 440         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
 441         pxa_set_ffuart_info(NULL);
 442         pxa_set_btuart_info(NULL);
 443         pxa_set_stuart_info(NULL);
 444         palm27x_pm_init(TREO_STR_BASE);
 445         palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
 446         palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
 447         palm27x_irda_init(GPIO_NR_TREO_IR_EN);
 448         palm27x_ac97_init(-1, -1, -1, 95);
 449         palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
 450         palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
 451         palm27x_pmic_init();
 452         palmtreo_kpc_init();
 453         palmtreo_uhc_init();
 454         palmtreo_leds_init();
 455 }
 456
 457 #ifdef CONFIG_MACH_TREO680
 458 void __init treo680_gpio_init(void)
 459 {
 460         unsigned int gpio;
 461
 462         /* drive all three lcd gpios high initially */
 463         const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
 464
 465         /*
 466          * LCD GPIO initialization...
 467          */
 468
 469         /*
 470          * This is likely the power to the lcd.  Toggling it low/high appears to
 471          * turn the lcd off/on.  Can be toggled after lcd is initialized without
 472          * any apparent adverse effects to the lcd operation.  Note that this
 473          * gpio line is used by the lcd controller as the L_BIAS signal, but
 474          * treo680 configures it as gpio.
 475          */
 476         gpio = GPIO_NR_TREO680_LCD_POWER;
 477         if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
 478                 goto fail;
 479
 480         /*
 481          * These two are called "enables", for lack of a better understanding.
 482          * If either of these are toggled after the lcd is initialized, the
 483          * image becomes degraded.  N.B. The IPL shipped with the treo
 484          * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high.  If
 485          * the IPL is ever reprogrammed, this initialization may be need to be
 486          * revisited.
 487          */
 488         gpio = GPIO_NR_TREO680_LCD_EN;
 489         if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
 490                 goto fail;
 491         gpio = GPIO_NR_TREO680_LCD_EN_N;
 492         if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
 493                 goto fail;
 494
 495         /* driving this low turns LCD on */
 496         gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
 497
 498         return;
 499  fail:
 500         pr_err("gpio %d initialization failed\n", gpio);
 501         gpio_free(GPIO_NR_TREO680_LCD_POWER);
 502         gpio_free(GPIO_NR_TREO680_LCD_EN);
 503         gpio_free(GPIO_NR_TREO680_LCD_EN_N);
 504 }
 505
 506 static void __init treo680_init(void)
 507 {
 508         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
 509         palmphone_common_init();
 510         treo680_gpio_init();
 511         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
 512                         GPIO_NR_TREO680_SD_POWER, 0);
 513         treo680_docg4_flash_init();
 514 }
 515 #endif
 516
 517 #ifdef CONFIG_MACH_CENTRO
 518 static void __init centro_init(void)
 519 {
 520         pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
 521         palmphone_common_init();
 522         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
 523                         GPIO_NR_CENTRO_SD_POWER, 1);
 524 }
 525 #endif
 526
 527 #ifdef CONFIG_MACH_TREO680
 528 MACHINE_START(TREO680, "Palm Treo 680")
 529         .atag_offset    = 0x100,
 530         .map_io         = pxa27x_map_io,
 531         .reserve        = treo_reserve,
 532         .nr_irqs        = PXA_NR_IRQS,
 533         .init_irq       = pxa27x_init_irq,
 534         .handle_irq       = pxa27x_handle_irq,
 535         .init_time      = pxa_timer_init,
 536         .init_machine   = treo680_init,
 537         .restart        = pxa_restart,
 538 MACHINE_END
 539 #endif
 540
 541 #ifdef CONFIG_MACH_CENTRO
 542 MACHINE_START(CENTRO, "Palm Centro 685")
 543         .atag_offset    = 0x100,
 544         .map_io         = pxa27x_map_io,
 545         .reserve        = treo_reserve,
 546         .nr_irqs        = PXA_NR_IRQS,
 547         .init_irq       = pxa27x_init_irq,
 548         .handle_irq       = pxa27x_handle_irq,
 549         .init_time      = pxa_timer_init,
 550         .init_machine   = centro_init,
 551         .restart        = pxa_restart,
 552 MACHINE_END
 553 #endif