arch/arm/mach-pxa/treo680.c

   1 /*
   2  * Hardware definitions for Palm Treo 680
   3  *
   4  * Author:     Tomas Cech <sleep_walker@suse.cz>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * (find more info at www.hackndev.com)
  11  *
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <linux/delay.h>
  16 #include <linux/irq.h>
  17 #include <linux/gpio_keys.h>
  18 #include <linux/input.h>
  19 #include <linux/pda_power.h>
  20 #include <linux/pwm_backlight.h>
  21 #include <linux/gpio.h>
  22 #include <linux/wm97xx_batt.h>
  23 #include <linux/power_supply.h>
  24 #include <linux/sysdev.h>
  25 #include <linux/w1-gpio.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <mach/pxa27x.h>
  32 #include <mach/pxa27x-udc.h>
  33 #include <mach/audio.h>
  34 #include <mach/treo680.h>
  35 #include <mach/mmc.h>
  36 #include <mach/pxafb.h>
  37 #include <mach/irda.h>
  38 #include <mach/pxa27x_keypad.h>
  39 #include <mach/udc.h>
  40 #include <mach/ohci.h>
  41 #include <mach/pxa2xx-regs.h>
  42 #include <mach/palmasoc.h>
  43 #include <mach/camera.h>
  44
  45 #include <sound/pxa2xx-lib.h>
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49
  50 /******************************************************************************
  51  * Pin configuration
  52  ******************************************************************************/
  53 static unsigned long treo680_pin_config[] __initdata = {
  54         /* MMC */
  55         GPIO32_MMC_CLK,
  56         GPIO92_MMC_DAT_0,
  57         GPIO109_MMC_DAT_1,
  58         GPIO110_MMC_DAT_2,
  59         GPIO111_MMC_DAT_3,
  60         GPIO112_MMC_CMD,
  61         GPIO33_GPIO,                            /* SD read only */
  62         GPIO113_GPIO,                           /* SD detect */
  63
  64         /* AC97 */
  65         GPIO28_AC97_BITCLK,
  66         GPIO29_AC97_SDATA_IN_0,
  67         GPIO30_AC97_SDATA_OUT,
  68         GPIO31_AC97_SYNC,
  69         GPIO89_AC97_SYSCLK,
  70         GPIO95_AC97_nRESET,
  71
  72         /* IrDA */
  73         GPIO46_FICP_RXD,
  74         GPIO47_FICP_TXD,
  75
  76         /* PWM */
  77         GPIO16_PWM0_OUT,
  78
  79         /* USB */
  80         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* usb detect */
  81
  82         /* MATRIX KEYPAD */
  83         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
  84         GPIO101_KP_MKIN_1,
  85         GPIO102_KP_MKIN_2,
  86         GPIO97_KP_MKIN_3,
  87         GPIO98_KP_MKIN_4,
  88         GPIO99_KP_MKIN_5,
  89         GPIO91_KP_MKIN_6,
  90         GPIO13_KP_MKIN_7,
  91         GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
  92         GPIO104_KP_MKOUT_1,
  93         GPIO105_KP_MKOUT_2,
  94         GPIO106_KP_MKOUT_3,
  95         GPIO107_KP_MKOUT_4,
  96         GPIO108_KP_MKOUT_5,
  97         GPIO96_KP_MKOUT_6,
  98         GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,        /* Hotsync button */
  99
 100         /* LCD */
 101         GPIO58_LCD_LDD_0,
 102         GPIO59_LCD_LDD_1,
 103         GPIO60_LCD_LDD_2,
 104         GPIO61_LCD_LDD_3,
 105         GPIO62_LCD_LDD_4,
 106         GPIO63_LCD_LDD_5,
 107         GPIO64_LCD_LDD_6,
 108         GPIO65_LCD_LDD_7,
 109         GPIO66_LCD_LDD_8,
 110         GPIO67_LCD_LDD_9,
 111         GPIO68_LCD_LDD_10,
 112         GPIO69_LCD_LDD_11,
 113         GPIO70_LCD_LDD_12,
 114         GPIO71_LCD_LDD_13,
 115         GPIO72_LCD_LDD_14,
 116         GPIO73_LCD_LDD_15,
 117         GPIO74_LCD_FCLK,
 118         GPIO75_LCD_LCLK,
 119         GPIO76_LCD_PCLK,
 120
 121         /* Quick Capture Interface */
 122         GPIO84_CIF_FV,
 123         GPIO85_CIF_LV,
 124         GPIO53_CIF_MCLK,
 125         GPIO54_CIF_PCLK,
 126         GPIO81_CIF_DD_0,
 127         GPIO55_CIF_DD_1,
 128         GPIO51_CIF_DD_2,
 129         GPIO50_CIF_DD_3,
 130         GPIO52_CIF_DD_4,
 131         GPIO48_CIF_DD_5,
 132         GPIO17_CIF_DD_6,
 133         GPIO12_CIF_DD_7,
 134
 135         /* I2C */
 136         GPIO117_I2C_SCL,
 137         GPIO118_I2C_SDA,
 138
 139         /* GSM */
 140         GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,      /* GSM host wake up */
 141         GPIO34_FFUART_RXD,
 142         GPIO35_FFUART_CTS,
 143         GPIO39_FFUART_TXD,
 144         GPIO41_FFUART_RTS,
 145
 146         /* MISC. */
 147         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* external power detect */
 148         GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,      /* silent switch */
 149         GPIO116_GPIO,                           /* headphone detect */
 150         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* bluetooth host wake up */
 151 };
 152
 153 /******************************************************************************
 154  * SD/MMC card controller
 155  ******************************************************************************/
 156 static struct pxamci_platform_data treo680_mci_platform_data = {
 157         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 158         .gpio_card_detect       = GPIO_NR_TREO680_SD_DETECT_N,
 159         .gpio_card_ro           = GPIO_NR_TREO680_SD_READONLY,
 160         .gpio_power             = GPIO_NR_TREO680_SD_POWER,
 161 };
 162
 163 /******************************************************************************
 164  * GPIO keyboard
 165  ******************************************************************************/
 166 static unsigned int treo680_matrix_keys[] = {
 167         KEY(0, 0, KEY_F8),              /* Red/Off/Power */
 168         KEY(0, 1, KEY_LEFT),
 169         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
 170         KEY(0, 3, KEY_L),
 171         KEY(0, 4, KEY_A),
 172         KEY(0, 5, KEY_Q),
 173         KEY(0, 6, KEY_P),
 174
 175         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
 176         KEY(1, 1, KEY_RIGHT),
 177         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
 178         KEY(1, 3, KEY_Z),
 179         KEY(1, 4, KEY_S),
 180         KEY(1, 5, KEY_W),
 181
 182         KEY(2, 0, KEY_F1),              /* Phone */
 183         KEY(2, 1, KEY_UP),
 184         KEY(2, 2, KEY_0),
 185         KEY(2, 3, KEY_X),
 186         KEY(2, 4, KEY_D),
 187         KEY(2, 5, KEY_E),
 188
 189         KEY(3, 0, KEY_F10),             /* Calendar */
 190         KEY(3, 1, KEY_DOWN),
 191         KEY(3, 2, KEY_SPACE),
 192         KEY(3, 3, KEY_C),
 193         KEY(3, 4, KEY_F),
 194         KEY(3, 5, KEY_R),
 195
 196         KEY(4, 0, KEY_F12),             /* Mail */
 197         KEY(4, 1, KEY_KPENTER),
 198         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
 199         KEY(4, 3, KEY_V),
 200         KEY(4, 4, KEY_G),
 201         KEY(4, 5, KEY_T),
 202
 203         KEY(5, 0, KEY_F9),              /* Home */
 204         KEY(5, 1, KEY_PAGEUP),          /* Side up */
 205         KEY(5, 2, KEY_DOT),
 206         KEY(5, 3, KEY_B),
 207         KEY(5, 4, KEY_H),
 208         KEY(5, 5, KEY_Y),
 209
 210         KEY(6, 0, KEY_TAB),             /* Side Activate */
 211         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
 212         KEY(6, 2, KEY_ENTER),
 213         KEY(6, 3, KEY_N),
 214         KEY(6, 4, KEY_J),
 215         KEY(6, 5, KEY_U),
 216
 217         KEY(7, 0, KEY_F6),              /* Green/Call */
 218         KEY(7, 1, KEY_O),
 219         KEY(7, 2, KEY_BACKSPACE),
 220         KEY(7, 3, KEY_M),
 221         KEY(7, 4, KEY_K),
 222         KEY(7, 5, KEY_I),
 223 };
 224
 225 static struct pxa27x_keypad_platform_data treo680_keypad_platform_data = {
 226         .matrix_key_rows        = 8,
 227         .matrix_key_cols        = 7,
 228         .matrix_key_map         = treo680_matrix_keys,
 229         .matrix_key_map_size    = ARRAY_SIZE(treo680_matrix_keys),
 230         .direct_key_map         = { KEY_CONNECT },
 231         .direct_key_num         = 1,
 232
 233         .debounce_interval      = 30,
 234 };
 235
 236 /******************************************************************************
 237  * aSoC audio
 238  ******************************************************************************/
 239
 240 static pxa2xx_audio_ops_t treo680_ac97_pdata = {
 241         .reset_gpio     = 95,
 242 };
 243
 244 /******************************************************************************
 245  * Backlight
 246  ******************************************************************************/
 247 static int treo680_backlight_init(struct device *dev)
 248 {
 249         int ret;
 250
 251         ret = gpio_request(GPIO_NR_TREO680_BL_POWER, "BL POWER");
 252         if (ret)
 253                 goto err;
 254         ret = gpio_direction_output(GPIO_NR_TREO680_BL_POWER, 0);
 255         if (ret)
 256                 goto err2;
 257
 258         return 0;
 259
 260 err2:
 261         gpio_free(GPIO_NR_TREO680_BL_POWER);
 262 err:
 263         return ret;
 264 }
 265
 266 static int treo680_backlight_notify(int brightness)
 267 {
 268         gpio_set_value(GPIO_NR_TREO680_BL_POWER, brightness);
 269         return TREO680_MAX_INTENSITY - brightness;
 270 };
 271
 272 static void treo680_backlight_exit(struct device *dev)
 273 {
 274         gpio_free(GPIO_NR_TREO680_BL_POWER);
 275 }
 276
 277 static struct platform_pwm_backlight_data treo680_backlight_data = {
 278         .pwm_id         = 0,
 279         .max_brightness = TREO680_MAX_INTENSITY,
 280         .dft_brightness = TREO680_DEFAULT_INTENSITY,
 281         .pwm_period_ns  = TREO680_PERIOD_NS,
 282         .init           = treo680_backlight_init,
 283         .notify         = treo680_backlight_notify,
 284         .exit           = treo680_backlight_exit,
 285 };
 286
 287 static struct platform_device treo680_backlight = {
 288         .name   = "pwm-backlight",
 289         .dev    = {
 290                 .parent         = &pxa27x_device_pwm0.dev,
 291                 .platform_data  = &treo680_backlight_data,
 292         },
 293 };
 294
 295 /******************************************************************************
 296  * IrDA
 297  ******************************************************************************/
 298 static void treo680_transceiver_mode(struct device *dev, int mode)
 299 {
 300         gpio_set_value(GPIO_NR_TREO680_IR_EN, mode & IR_OFF);
 301         pxa2xx_transceiver_mode(dev, mode);
 302 }
 303
 304 static int treo680_irda_startup(struct device *dev)
 305 {
 306         int err;
 307
 308         err = gpio_request(GPIO_NR_TREO680_IR_EN, "Ir port disable");
 309         if (err)
 310                 goto err1;
 311
 312         err = gpio_direction_output(GPIO_NR_TREO680_IR_EN, 1);
 313         if (err)
 314                 goto err2;
 315
 316         return 0;
 317
 318 err2:
 319         dev_err(dev, "treo680_irda: cannot change IR gpio direction\n");
 320         gpio_free(GPIO_NR_TREO680_IR_EN);
 321 err1:
 322         dev_err(dev, "treo680_irda: cannot allocate IR gpio\n");
 323         return err;
 324 }
 325
 326 static void treo680_irda_shutdown(struct device *dev)
 327 {
 328         gpio_free(GPIO_NR_TREO680_IR_EN);
 329 }
 330
 331 static struct pxaficp_platform_data treo680_ficp_info = {
 332         .transceiver_cap  = IR_FIRMODE | IR_SIRMODE | IR_OFF,
 333         .startup          = treo680_irda_startup,
 334         .shutdown         = treo680_irda_shutdown,
 335         .transceiver_mode = treo680_transceiver_mode,
 336 };
 337
 338 /******************************************************************************
 339  * UDC
 340  ******************************************************************************/
 341 static struct pxa2xx_udc_mach_info treo680_udc_info __initdata = {
 342         .gpio_vbus              = GPIO_NR_TREO680_USB_DETECT,
 343         .gpio_vbus_inverted     = 1,
 344         .gpio_pullup            = GPIO_NR_TREO680_USB_PULLUP,
 345 };
 346
 347
 348 /******************************************************************************
 349  * USB host
 350  ******************************************************************************/
 351 static struct pxaohci_platform_data treo680_ohci_info = {
 352         .port_mode    = PMM_PERPORT_MODE,
 353         .flags        = ENABLE_PORT1 | ENABLE_PORT3,
 354         .power_budget = 0,
 355 };
 356
 357 /******************************************************************************
 358  * Power supply
 359  ******************************************************************************/
 360 static int power_supply_init(struct device *dev)
 361 {
 362         int ret;
 363
 364         ret = gpio_request(GPIO_NR_TREO680_POWER_DETECT, "CABLE_STATE_AC");
 365         if (ret)
 366                 goto err1;
 367         ret = gpio_direction_input(GPIO_NR_TREO680_POWER_DETECT);
 368         if (ret)
 369                 goto err2;
 370
 371         return 0;
 372
 373 err2:
 374         gpio_free(GPIO_NR_TREO680_POWER_DETECT);
 375 err1:
 376         return ret;
 377 }
 378
 379 static int treo680_is_ac_online(void)
 380 {
 381         return gpio_get_value(GPIO_NR_TREO680_POWER_DETECT);
 382 }
 383
 384 static void power_supply_exit(struct device *dev)
 385 {
 386         gpio_free(GPIO_NR_TREO680_POWER_DETECT);
 387 }
 388
 389 static char *treo680_supplicants[] = {
 390         "main-battery",
 391 };
 392
 393 static struct pda_power_pdata power_supply_info = {
 394         .init            = power_supply_init,
 395         .is_ac_online    = treo680_is_ac_online,
 396         .exit            = power_supply_exit,
 397         .supplied_to     = treo680_supplicants,
 398         .num_supplicants = ARRAY_SIZE(treo680_supplicants),
 399 };
 400
 401 static struct platform_device power_supply = {
 402         .name = "pda-power",
 403         .id   = -1,
 404         .dev  = {
 405                 .platform_data = &power_supply_info,
 406         },
 407 };
 408
 409 /******************************************************************************
 410  * Vibra and LEDs
 411  ******************************************************************************/
 412 static struct gpio_led gpio_leds[] = {
 413         {
 414                 .name                   = "treo680:vibra:vibra",
 415                 .default_trigger        = "none",
 416                 .gpio                   = GPIO_NR_TREO680_VIBRATE_EN,
 417         },
 418         {
 419                 .name                   = "treo680:green:led",
 420                 .default_trigger        = "mmc0",
 421                 .gpio                   = GPIO_NR_TREO680_GREEN_LED,
 422         },
 423         {
 424                 .name                   = "treo680:keybbl:keybbl",
 425                 .default_trigger        = "none",
 426                 .gpio                   = GPIO_NR_TREO680_KEYB_BL,
 427         },
 428 };
 429
 430 static struct gpio_led_platform_data gpio_led_info = {
 431         .leds           = gpio_leds,
 432         .num_leds       = ARRAY_SIZE(gpio_leds),
 433 };
 434
 435 static struct platform_device treo680_leds = {
 436         .name   = "leds-gpio",
 437         .id     = -1,
 438         .dev    = {
 439                 .platform_data  = &gpio_led_info,
 440         }
 441 };
 442
 443
 444 /******************************************************************************
 445  * Framebuffer
 446  ******************************************************************************/
 447 /* TODO: add support for 324x324 */
 448 static struct pxafb_mode_info treo680_lcd_modes[] = {
 449 {
 450         .pixclock               = 86538,
 451         .xres                   = 320,
 452         .yres                   = 320,
 453         .bpp                    = 16,
 454
 455         .left_margin            = 20,
 456         .right_margin           = 8,
 457         .upper_margin           = 8,
 458         .lower_margin           = 5,
 459
 460         .hsync_len              = 4,
 461         .vsync_len              = 1,
 462 },
 463 };
 464
 465 static void treo680_lcd_power(int on, struct fb_var_screeninfo *info)
 466 {
 467         gpio_set_value(GPIO_NR_TREO680_BL_POWER, on);
 468 }
 469
 470 static struct pxafb_mach_info treo680_lcd_screen = {
 471         .modes          = treo680_lcd_modes,
 472         .num_modes      = ARRAY_SIZE(treo680_lcd_modes),
 473         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 474 };
 475
 476 /******************************************************************************
 477  * Power management - standby
 478  ******************************************************************************/
 479 static void __init treo680_pm_init(void)
 480 {
 481         static u32 resume[] = {
 482                 0xe3a00101,     /* mov  r0,     #0x40000000 */
 483                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
 484                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
 485         };
 486
 487         /* this is where the bootloader jumps */
 488         memcpy(phys_to_virt(TREO680_STR_BASE), resume, sizeof(resume));
 489 }
 490
 491 /******************************************************************************
 492  * Machine init
 493  ******************************************************************************/
 494 static struct platform_device *devices[] __initdata = {
 495         &treo680_backlight,
 496         &treo680_leds,
 497         &power_supply,
 498 };
 499
 500 /* setup udc GPIOs initial state */
 501 static void __init treo680_udc_init(void)
 502 {
 503         if (!gpio_request(GPIO_NR_TREO680_USB_PULLUP, "UDC Vbus")) {
 504                 gpio_direction_output(GPIO_NR_TREO680_USB_PULLUP, 1);
 505                 gpio_free(GPIO_NR_TREO680_USB_PULLUP);
 506         }
 507 }
 508
 509 static void __init treo680_lcd_power_init(void)
 510 {
 511         int ret;
 512
 513         ret = gpio_request(GPIO_NR_TREO680_LCD_POWER, "LCD POWER");
 514         if (ret) {
 515                 pr_err("Treo680: LCD power GPIO request failed!\n");
 516                 return;
 517         }
 518
 519         ret = gpio_direction_output(GPIO_NR_TREO680_LCD_POWER, 0);
 520         if (ret) {
 521                 pr_err("Treo680: setting LCD power GPIO direction failed!\n");
 522                 gpio_free(GPIO_NR_TREO680_LCD_POWER);
 523                 return;
 524         }
 525
 526         treo680_lcd_screen.pxafb_lcd_power = treo680_lcd_power;
 527 }
 528
 529 static void __init treo680_init(void)
 530 {
 531         treo680_pm_init();
 532         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
 533         pxa_set_keypad_info(&treo680_keypad_platform_data);
 534         treo680_lcd_power_init();
 535         set_pxa_fb_info(&treo680_lcd_screen);
 536         pxa_set_mci_info(&treo680_mci_platform_data);
 537         treo680_udc_init();
 538         pxa_set_udc_info(&treo680_udc_info);
 539         pxa_set_ac97_info(&treo680_ac97_pdata);
 540         pxa_set_ficp_info(&treo680_ficp_info);
 541         pxa_set_ohci_info(&treo680_ohci_info);
 542
 543         platform_add_devices(devices, ARRAY_SIZE(devices));
 544 }
 545
 546 MACHINE_START(TREO680, "Palm Treo 680")
 547         .phys_io        = TREO680_PHYS_IO_START,
 548         .io_pg_offst    = io_p2v(0x40000000),
 549         .boot_params    = 0xa0000100,
 550         .map_io         = pxa_map_io,
 551         .init_irq       = pxa27x_init_irq,
 552         .timer          = &pxa_timer,
 553         .init_machine   = treo680_init,
 554 MACHINE_END