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 "pxa27x.h"
  35 #include "pxa27x-udc.h"
  36 #include <mach/audio.h>
  37 #include "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 "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/media/camera-pxa.h>
  47 #include "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 const 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 const 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 matrix_keymap_data treo680_matrix_keymap_data = {
 290         .keymap                 = treo680_matrix_keys,
 291         .keymap_size            = ARRAY_SIZE(treo680_matrix_keys),
 292 };
 293
 294 static struct matrix_keymap_data centro_matrix_keymap_data = {
 295         .keymap                 = centro_matrix_keys,
 296         .keymap_size            = ARRAY_SIZE(centro_matrix_keys),
 297 };
 298
 299 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
 300         .matrix_key_rows        = 8,
 301         .matrix_key_cols        = 7,
 302         .matrix_keymap_data     = &treo680_matrix_keymap_data,
 303         .direct_key_map         = { KEY_CONNECT },
 304         .direct_key_num         = 1,
 305
 306         .debounce_interval      = 30,
 307 };
 308
 309 static void __init palmtreo_kpc_init(void)
 310 {
 311         static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
 312
 313         if (machine_is_centro())
 314                 data->matrix_keymap_data = &centro_matrix_keymap_data;
 315
 316         pxa_set_keypad_info(&treo680_keypad_pdata);
 317 }
 318 #else
 319 static inline void palmtreo_kpc_init(void) {}
 320 #endif
 321
 322 /******************************************************************************
 323  * USB host
 324  ******************************************************************************/
 325 #if IS_ENABLED(CONFIG_USB_OHCI_HCD)
 326 static struct pxaohci_platform_data treo680_ohci_info = {
 327         .port_mode    = PMM_PERPORT_MODE,
 328         .flags        = ENABLE_PORT1 | ENABLE_PORT3,
 329         .power_budget = 0,
 330 };
 331
 332 static void __init palmtreo_uhc_init(void)
 333 {
 334         if (machine_is_treo680())
 335                 pxa_set_ohci_info(&treo680_ohci_info);
 336 }
 337 #else
 338 static inline void palmtreo_uhc_init(void) {}
 339 #endif
 340
 341 /******************************************************************************
 342  * Vibra and LEDs
 343  ******************************************************************************/
 344 static struct gpio_led treo680_gpio_leds[] = {
 345         {
 346                 .name                   = "treo680:vibra:vibra",
 347                 .default_trigger        = "none",
 348                 .gpio                   = GPIO_NR_TREO680_VIBRATE_EN,
 349         },
 350         {
 351                 .name                   = "treo680:green:led",
 352                 .default_trigger        = "mmc0",
 353                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 354         },
 355         {
 356                 .name                   = "treo680:white:keybbl",
 357                 .default_trigger        = "none",
 358                 .gpio                   = GPIO_NR_TREO680_KEYB_BL,
 359         },
 360 };
 361
 362 static struct gpio_led_platform_data treo680_gpio_led_info = {
 363         .leds           = treo680_gpio_leds,
 364         .num_leds       = ARRAY_SIZE(treo680_gpio_leds),
 365 };
 366
 367 static struct gpio_led centro_gpio_leds[] = {
 368         {
 369                 .name                   = "centro:vibra:vibra",
 370                 .default_trigger        = "none",
 371                 .gpio                   = GPIO_NR_CENTRO_VIBRATE_EN,
 372         },
 373         {
 374                 .name                   = "centro:green:led",
 375                 .default_trigger        = "mmc0",
 376                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 377         },
 378         {
 379                 .name                   = "centro:white:keybbl",
 380                 .default_trigger        = "none",
 381                 .active_low             = 1,
 382                 .gpio                   = GPIO_NR_CENTRO_KEYB_BL,
 383         },
 384 };
 385
 386 static struct gpio_led_platform_data centro_gpio_led_info = {
 387         .leds           = centro_gpio_leds,
 388         .num_leds       = ARRAY_SIZE(centro_gpio_leds),
 389 };
 390
 391 static struct platform_device palmtreo_leds = {
 392         .name   = "leds-gpio",
 393         .id     = -1,
 394 };
 395
 396 static void __init palmtreo_leds_init(void)
 397 {
 398         if (machine_is_centro())
 399                 palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
 400         else if (machine_is_treo680())
 401                 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
 402
 403         platform_device_register(&palmtreo_leds);
 404 }
 405
 406 /******************************************************************************
 407  * diskonchip docg4 flash
 408  ******************************************************************************/
 409 #if defined(CONFIG_MACH_TREO680)
 410 /* REVISIT: does the centro have this device also? */
 411 #if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
 412 static struct resource docg4_resources[] = {
 413         {
 414                 .start  = 0x00000000,
 415                 .end    = 0x00001FFF,
 416                 .flags  = IORESOURCE_MEM,
 417         },
 418 };
 419
 420 static struct platform_device treo680_docg4_flash = {
 421         .name   = "docg4",
 422         .id     = -1,
 423         .resource = docg4_resources,
 424         .num_resources = ARRAY_SIZE(docg4_resources),
 425 };
 426
 427 static void __init treo680_docg4_flash_init(void)
 428 {
 429         platform_device_register(&treo680_docg4_flash);
 430 }
 431 #else
 432 static inline void treo680_docg4_flash_init(void) {}
 433 #endif
 434 #endif
 435
 436 /******************************************************************************
 437  * Machine init
 438  ******************************************************************************/
 439 static void __init treo_reserve(void)
 440 {
 441         memblock_reserve(0xa0000000, 0x1000);
 442         memblock_reserve(0xa2000000, 0x1000);
 443 }
 444
 445 static void __init palmphone_common_init(void)
 446 {
 447         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
 448         pxa_set_ffuart_info(NULL);
 449         pxa_set_btuart_info(NULL);
 450         pxa_set_stuart_info(NULL);
 451         palm27x_pm_init(TREO_STR_BASE);
 452         palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
 453         palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
 454         palm27x_irda_init(GPIO_NR_TREO_IR_EN);
 455         palm27x_ac97_init(-1, -1, -1, 95);
 456         palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
 457         palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
 458         palm27x_pmic_init();
 459         palmtreo_kpc_init();
 460         palmtreo_uhc_init();
 461         palmtreo_leds_init();
 462 }
 463
 464 #ifdef CONFIG_MACH_TREO680
 465 void __init treo680_gpio_init(void)
 466 {
 467         unsigned int gpio;
 468
 469         /* drive all three lcd gpios high initially */
 470         const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
 471
 472         /*
 473          * LCD GPIO initialization...
 474          */
 475
 476         /*
 477          * This is likely the power to the lcd.  Toggling it low/high appears to
 478          * turn the lcd off/on.  Can be toggled after lcd is initialized without
 479          * any apparent adverse effects to the lcd operation.  Note that this
 480          * gpio line is used by the lcd controller as the L_BIAS signal, but
 481          * treo680 configures it as gpio.
 482          */
 483         gpio = GPIO_NR_TREO680_LCD_POWER;
 484         if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
 485                 goto fail;
 486
 487         /*
 488          * These two are called "enables", for lack of a better understanding.
 489          * If either of these are toggled after the lcd is initialized, the
 490          * image becomes degraded.  N.B. The IPL shipped with the treo
 491          * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high.  If
 492          * the IPL is ever reprogrammed, this initialization may be need to be
 493          * revisited.
 494          */
 495         gpio = GPIO_NR_TREO680_LCD_EN;
 496         if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
 497                 goto fail;
 498         gpio = GPIO_NR_TREO680_LCD_EN_N;
 499         if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
 500                 goto fail;
 501
 502         /* driving this low turns LCD on */
 503         gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
 504
 505         return;
 506  fail:
 507         pr_err("gpio %d initialization failed\n", gpio);
 508         gpio_free(GPIO_NR_TREO680_LCD_POWER);
 509         gpio_free(GPIO_NR_TREO680_LCD_EN);
 510         gpio_free(GPIO_NR_TREO680_LCD_EN_N);
 511 }
 512
 513 static void __init treo680_init(void)
 514 {
 515         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
 516         palmphone_common_init();
 517         treo680_gpio_init();
 518         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
 519                         GPIO_NR_TREO680_SD_POWER, 0);
 520         treo680_docg4_flash_init();
 521 }
 522 #endif
 523
 524 #ifdef CONFIG_MACH_CENTRO
 525 static void __init centro_init(void)
 526 {
 527         pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
 528         palmphone_common_init();
 529         palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
 530                         GPIO_NR_CENTRO_SD_POWER, 1);
 531 }
 532 #endif
 533
 534 #ifdef CONFIG_MACH_TREO680
 535 MACHINE_START(TREO680, "Palm Treo 680")
 536         .atag_offset    = 0x100,
 537         .map_io         = pxa27x_map_io,
 538         .reserve        = treo_reserve,
 539         .nr_irqs        = PXA_NR_IRQS,
 540         .init_irq       = pxa27x_init_irq,
 541         .handle_irq       = pxa27x_handle_irq,
 542         .init_time      = pxa_timer_init,
 543         .init_machine   = treo680_init,
 544         .restart        = pxa_restart,
 545 MACHINE_END
 546 #endif
 547
 548 #ifdef CONFIG_MACH_CENTRO
 549 MACHINE_START(CENTRO, "Palm Centro 685")
 550         .atag_offset    = 0x100,
 551         .map_io         = pxa27x_map_io,
 552         .reserve        = treo_reserve,
 553         .nr_irqs        = PXA_NR_IRQS,
 554         .init_irq       = pxa27x_init_irq,
 555         .handle_irq       = pxa27x_handle_irq,
 556         .init_time      = pxa_timer_init,
 557         .init_machine   = centro_init,
 558         .restart        = pxa_restart,
 559 MACHINE_END
 560 #endif