arch/arm/mach-pxa/palmtc.c

   1 /*
   2  * linux/arch/arm/mach-pxa/palmtc.c
   3  *
   4  * Support for the Palm Tungsten|C
   5  *
   6  * Author:      Marek Vasut <marek.vasut@gmail.com>
   7  *
   8  * Based on work of:
   9  *              Petr Blaha <p3t3@centrum.cz>
  10  *              Chetan S. Kumar <shivakumar.chetan@gmail.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/irq.h>
  20 #include <linux/input.h>
  21 #include <linux/pwm.h>
  22 #include <linux/pwm_backlight.h>
  23 #include <linux/gpio.h>
  24 #include <linux/input/matrix_keypad.h>
  25 #include <linux/ucb1400.h>
  26 #include <linux/power_supply.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/usb/gpio_vbus.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <mach/pxa25x.h>
  36 #include <mach/audio.h>
  37 #include <mach/palmtc.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 <mach/udc.h>
  42
  43 #include "generic.h"
  44 #include "devices.h"
  45
  46 /******************************************************************************
  47  * Pin configuration
  48  ******************************************************************************/
  49 static unsigned long palmtc_pin_config[] __initdata = {
  50         /* MMC */
  51         GPIO6_MMC_CLK,
  52         GPIO8_MMC_CS0,
  53         GPIO12_GPIO,    /* detect */
  54         GPIO32_GPIO,    /* power */
  55         GPIO54_GPIO,    /* r/o switch */
  56
  57         /* PCMCIA */
  58         GPIO52_nPCE_1,
  59         GPIO53_nPCE_2,
  60         GPIO50_nPIOR,
  61         GPIO51_nPIOW,
  62         GPIO49_nPWE,
  63         GPIO48_nPOE,
  64         GPIO52_nPCE_1,
  65         GPIO53_nPCE_2,
  66         GPIO57_nIOIS16,
  67         GPIO56_nPWAIT,
  68
  69         /* AC97 */
  70         GPIO28_AC97_BITCLK,
  71         GPIO29_AC97_SDATA_IN_0,
  72         GPIO30_AC97_SDATA_OUT,
  73         GPIO31_AC97_SYNC,
  74
  75         /* IrDA */
  76         GPIO45_GPIO,    /* ir disable */
  77         GPIO46_FICP_RXD,
  78         GPIO47_FICP_TXD,
  79
  80         /* PWM */
  81         GPIO17_PWM1_OUT,
  82
  83         /* USB */
  84         GPIO4_GPIO,     /* detect */
  85         GPIO36_GPIO,    /* pullup */
  86
  87         /* LCD */
  88         GPIOxx_LCD_TFT_16BPP,
  89
  90         /* MATRIX KEYPAD */
  91         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 0 */
  92         GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 1 */
  93         GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 2 */
  94         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 3 */
  95         GPIO18_GPIO | MFP_LPM_DRIVE_LOW,        /* out 0 */
  96         GPIO19_GPIO | MFP_LPM_DRIVE_LOW,        /* out 1 */
  97         GPIO20_GPIO | MFP_LPM_DRIVE_LOW,        /* out 2 */
  98         GPIO21_GPIO | MFP_LPM_DRIVE_LOW,        /* out 3 */
  99         GPIO22_GPIO | MFP_LPM_DRIVE_LOW,        /* out 4 */
 100         GPIO23_GPIO | MFP_LPM_DRIVE_LOW,        /* out 5 */
 101         GPIO24_GPIO | MFP_LPM_DRIVE_LOW,        /* out 6 */
 102         GPIO25_GPIO | MFP_LPM_DRIVE_LOW,        /* out 7 */
 103         GPIO26_GPIO | MFP_LPM_DRIVE_LOW,        /* out 8 */
 104         GPIO27_GPIO | MFP_LPM_DRIVE_LOW,        /* out 9 */
 105         GPIO79_GPIO | MFP_LPM_DRIVE_LOW,        /* out 10 */
 106         GPIO80_GPIO | MFP_LPM_DRIVE_LOW,        /* out 11 */
 107
 108         /* PXA GPIO KEYS */
 109         GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH,       /* hotsync button on cradle */
 110
 111         /* MISC */
 112         GPIO1_RST,      /* reset */
 113         GPIO2_GPIO,     /* earphone detect */
 114         GPIO16_GPIO,    /* backlight switch */
 115 };
 116
 117 /******************************************************************************
 118  * SD/MMC card controller
 119  ******************************************************************************/
 120 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 121 static struct pxamci_platform_data palmtc_mci_platform_data = {
 122         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 123         .gpio_power             = GPIO_NR_PALMTC_SD_POWER,
 124         .gpio_card_ro           = GPIO_NR_PALMTC_SD_READONLY,
 125         .gpio_card_detect       = GPIO_NR_PALMTC_SD_DETECT_N,
 126         .detect_delay_ms        = 200,
 127 };
 128
 129 static void __init palmtc_mmc_init(void)
 130 {
 131         pxa_set_mci_info(&palmtc_mci_platform_data);
 132 }
 133 #else
 134 static inline void palmtc_mmc_init(void) {}
 135 #endif
 136
 137 /******************************************************************************
 138  * GPIO keys
 139  ******************************************************************************/
 140 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 141 static struct gpio_keys_button palmtc_pxa_buttons[] = {
 142         {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
 143 };
 144
 145 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
 146         .buttons        = palmtc_pxa_buttons,
 147         .nbuttons       = ARRAY_SIZE(palmtc_pxa_buttons),
 148 };
 149
 150 static struct platform_device palmtc_pxa_keys = {
 151         .name   = "gpio-keys",
 152         .id     = -1,
 153         .dev    = {
 154                 .platform_data = &palmtc_pxa_keys_data,
 155         },
 156 };
 157
 158 static void __init palmtc_keys_init(void)
 159 {
 160         platform_device_register(&palmtc_pxa_keys);
 161 }
 162 #else
 163 static inline void palmtc_keys_init(void) {}
 164 #endif
 165
 166 /******************************************************************************
 167  * Backlight
 168  ******************************************************************************/
 169 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 170 static struct pwm_lookup palmtc_pwm_lookup[] = {
 171         PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
 172                    PWM_POLARITY_NORMAL),
 173 };
 174
 175 static struct platform_pwm_backlight_data palmtc_backlight_data = {
 176         .max_brightness = PALMTC_MAX_INTENSITY,
 177         .dft_brightness = PALMTC_MAX_INTENSITY,
 178         .enable_gpio    = GPIO_NR_PALMTC_BL_POWER,
 179 };
 180
 181 static struct platform_device palmtc_backlight = {
 182         .name   = "pwm-backlight",
 183         .dev    = {
 184                 .parent         = &pxa25x_device_pwm1.dev,
 185                 .platform_data  = &palmtc_backlight_data,
 186         },
 187 };
 188
 189 static void __init palmtc_pwm_init(void)
 190 {
 191         pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
 192         platform_device_register(&palmtc_backlight);
 193 }
 194 #else
 195 static inline void palmtc_pwm_init(void) {}
 196 #endif
 197
 198 /******************************************************************************
 199  * IrDA
 200  ******************************************************************************/
 201 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
 202 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
 203         .gpio_pwdown            = GPIO_NR_PALMTC_IR_DISABLE,
 204         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 205 };
 206
 207 static void __init palmtc_irda_init(void)
 208 {
 209         pxa_set_ficp_info(&palmtc_ficp_platform_data);
 210 }
 211 #else
 212 static inline void palmtc_irda_init(void) {}
 213 #endif
 214
 215 /******************************************************************************
 216  * Keyboard
 217  ******************************************************************************/
 218 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 219 static const uint32_t palmtc_matrix_keys[] = {
 220         KEY(0, 0, KEY_F1),
 221         KEY(0, 1, KEY_X),
 222         KEY(0, 2, KEY_POWER),
 223         KEY(0, 3, KEY_TAB),
 224         KEY(0, 4, KEY_A),
 225         KEY(0, 5, KEY_Q),
 226         KEY(0, 6, KEY_LEFTSHIFT),
 227         KEY(0, 7, KEY_Z),
 228         KEY(0, 8, KEY_S),
 229         KEY(0, 9, KEY_W),
 230         KEY(0, 10, KEY_E),
 231         KEY(0, 11, KEY_UP),
 232
 233         KEY(1, 0, KEY_F2),
 234         KEY(1, 1, KEY_DOWN),
 235         KEY(1, 3, KEY_D),
 236         KEY(1, 4, KEY_C),
 237         KEY(1, 5, KEY_F),
 238         KEY(1, 6, KEY_R),
 239         KEY(1, 7, KEY_SPACE),
 240         KEY(1, 8, KEY_V),
 241         KEY(1, 9, KEY_G),
 242         KEY(1, 10, KEY_T),
 243         KEY(1, 11, KEY_LEFT),
 244
 245         KEY(2, 0, KEY_F3),
 246         KEY(2, 1, KEY_LEFTCTRL),
 247         KEY(2, 3, KEY_H),
 248         KEY(2, 4, KEY_Y),
 249         KEY(2, 5, KEY_N),
 250         KEY(2, 6, KEY_J),
 251         KEY(2, 7, KEY_U),
 252         KEY(2, 8, KEY_M),
 253         KEY(2, 9, KEY_K),
 254         KEY(2, 10, KEY_I),
 255         KEY(2, 11, KEY_RIGHT),
 256
 257         KEY(3, 0, KEY_F4),
 258         KEY(3, 1, KEY_ENTER),
 259         KEY(3, 3, KEY_DOT),
 260         KEY(3, 4, KEY_L),
 261         KEY(3, 5, KEY_O),
 262         KEY(3, 6, KEY_LEFTALT),
 263         KEY(3, 7, KEY_ENTER),
 264         KEY(3, 8, KEY_BACKSPACE),
 265         KEY(3, 9, KEY_P),
 266         KEY(3, 10, KEY_B),
 267         KEY(3, 11, KEY_FN),
 268 };
 269
 270 const struct matrix_keymap_data palmtc_keymap_data = {
 271         .keymap                 = palmtc_matrix_keys,
 272         .keymap_size            = ARRAY_SIZE(palmtc_matrix_keys),
 273 };
 274
 275 static const unsigned int palmtc_keypad_row_gpios[] = {
 276         0, 9, 10, 11
 277 };
 278
 279 static const unsigned int palmtc_keypad_col_gpios[] = {
 280         18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
 281 };
 282
 283 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
 284         .keymap_data    = &palmtc_keymap_data,
 285         .row_gpios      = palmtc_keypad_row_gpios,
 286         .num_row_gpios  = ARRAY_SIZE(palmtc_keypad_row_gpios),
 287         .col_gpios      = palmtc_keypad_col_gpios,
 288         .num_col_gpios  = ARRAY_SIZE(palmtc_keypad_col_gpios),
 289         .active_low     = 1,
 290
 291         .debounce_ms            = 20,
 292         .col_scan_delay_us      = 5,
 293 };
 294
 295 static struct platform_device palmtc_keyboard = {
 296         .name   = "matrix-keypad",
 297         .id     = -1,
 298         .dev    = {
 299                 .platform_data = &palmtc_keypad_platform_data,
 300         },
 301 };
 302 static void __init palmtc_mkp_init(void)
 303 {
 304         platform_device_register(&palmtc_keyboard);
 305 }
 306 #else
 307 static inline void palmtc_mkp_init(void) {}
 308 #endif
 309
 310 /******************************************************************************
 311  * UDC
 312  ******************************************************************************/
 313 #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
 314 static struct gpio_vbus_mach_info palmtc_udc_info = {
 315         .gpio_vbus              = GPIO_NR_PALMTC_USB_DETECT_N,
 316         .gpio_vbus_inverted     = 1,
 317         .gpio_pullup            = GPIO_NR_PALMTC_USB_POWER,
 318 };
 319
 320 static struct platform_device palmtc_gpio_vbus = {
 321         .name   = "gpio-vbus",
 322         .id     = -1,
 323         .dev    = {
 324                 .platform_data  = &palmtc_udc_info,
 325         },
 326 };
 327
 328 static void __init palmtc_udc_init(void)
 329 {
 330         platform_device_register(&palmtc_gpio_vbus);
 331 };
 332 #else
 333 static inline void palmtc_udc_init(void) {}
 334 #endif
 335
 336 /******************************************************************************
 337  * Touchscreen / Battery / GPIO-extender
 338  ******************************************************************************/
 339 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 340         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 341 static struct platform_device palmtc_ucb1400_device = {
 342         .name   = "ucb1400_core",
 343         .id     = -1,
 344 };
 345
 346 static void __init palmtc_ts_init(void)
 347 {
 348         pxa_set_ac97_info(NULL);
 349         platform_device_register(&palmtc_ucb1400_device);
 350 }
 351 #else
 352 static inline void palmtc_ts_init(void) {}
 353 #endif
 354
 355 /******************************************************************************
 356  * LEDs
 357  ******************************************************************************/
 358 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 359 struct gpio_led palmtc_gpio_leds[] = {
 360 {
 361         .name                   = "palmtc:green:user",
 362         .default_trigger        = "none",
 363         .gpio                   = GPIO_NR_PALMTC_LED_POWER,
 364         .active_low             = 1,
 365 }, {
 366         .name                   = "palmtc:vibra:vibra",
 367         .default_trigger        = "none",
 368         .gpio                   = GPIO_NR_PALMTC_VIBRA_POWER,
 369         .active_low             = 1,
 370 }
 371
 372 };
 373
 374 static struct gpio_led_platform_data palmtc_gpio_led_info = {
 375         .leds           = palmtc_gpio_leds,
 376         .num_leds       = ARRAY_SIZE(palmtc_gpio_leds),
 377 };
 378
 379 static struct platform_device palmtc_leds = {
 380         .name   = "leds-gpio",
 381         .id     = -1,
 382         .dev    = {
 383                 .platform_data  = &palmtc_gpio_led_info,
 384         }
 385 };
 386
 387 static void __init palmtc_leds_init(void)
 388 {
 389         platform_device_register(&palmtc_leds);
 390 }
 391 #else
 392 static inline void palmtc_leds_init(void) {}
 393 #endif
 394
 395 /******************************************************************************
 396  * NOR Flash
 397  ******************************************************************************/
 398 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 399 static struct resource palmtc_flash_resource = {
 400         .start  = PXA_CS0_PHYS,
 401         .end    = PXA_CS0_PHYS + SZ_16M - 1,
 402         .flags  = IORESOURCE_MEM,
 403 };
 404
 405 static struct mtd_partition palmtc_flash_parts[] = {
 406         {
 407                 .name   = "U-Boot Bootloader",
 408                 .offset = 0x0,
 409                 .size   = 0x40000,
 410         },
 411         {
 412                 .name   = "Linux Kernel",
 413                 .offset = 0x40000,
 414                 .size   = 0x2c0000,
 415         },
 416         {
 417                 .name   = "Filesystem",
 418                 .offset = 0x300000,
 419                 .size   = 0xcc0000,
 420         },
 421         {
 422                 .name   = "U-Boot Environment",
 423                 .offset = 0xfc0000,
 424                 .size   = MTDPART_SIZ_FULL,
 425         },
 426 };
 427
 428 static struct physmap_flash_data palmtc_flash_data = {
 429         .width          = 4,
 430         .parts          = palmtc_flash_parts,
 431         .nr_parts       = ARRAY_SIZE(palmtc_flash_parts),
 432 };
 433
 434 static struct platform_device palmtc_flash = {
 435         .name           = "physmap-flash",
 436         .id             = -1,
 437         .resource       = &palmtc_flash_resource,
 438         .num_resources  = 1,
 439         .dev = {
 440                 .platform_data  = &palmtc_flash_data,
 441         },
 442 };
 443
 444 static void __init palmtc_nor_init(void)
 445 {
 446         platform_device_register(&palmtc_flash);
 447 }
 448 #else
 449 static inline void palmtc_nor_init(void) {}
 450 #endif
 451
 452 /******************************************************************************
 453  * Framebuffer
 454  ******************************************************************************/
 455 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 456 static struct pxafb_mode_info palmtc_lcd_modes[] = {
 457         {
 458                 .pixclock       = 115384,
 459                 .xres           = 320,
 460                 .yres           = 320,
 461                 .bpp            = 16,
 462
 463                 .left_margin    = 27,
 464                 .right_margin   = 7,
 465                 .upper_margin   = 7,
 466                 .lower_margin   = 8,
 467
 468                 .hsync_len      = 6,
 469                 .vsync_len      = 1,
 470         },
 471 };
 472
 473 static struct pxafb_mach_info palmtc_lcd_screen = {
 474         .modes                  = palmtc_lcd_modes,
 475         .num_modes              = ARRAY_SIZE(palmtc_lcd_modes),
 476         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 477 };
 478
 479 static void __init palmtc_lcd_init(void)
 480 {
 481         pxa_set_fb_info(NULL, &palmtc_lcd_screen);
 482 }
 483 #else
 484 static inline void palmtc_lcd_init(void) {}
 485 #endif
 486
 487 /******************************************************************************
 488  * Machine init
 489  ******************************************************************************/
 490 static void __init palmtc_init(void)
 491 {
 492         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
 493
 494         pxa_set_ffuart_info(NULL);
 495         pxa_set_btuart_info(NULL);
 496         pxa_set_stuart_info(NULL);
 497         pxa_set_hwuart_info(NULL);
 498
 499         palmtc_mmc_init();
 500         palmtc_keys_init();
 501         palmtc_pwm_init();
 502         palmtc_irda_init();
 503         palmtc_mkp_init();
 504         palmtc_udc_init();
 505         palmtc_ts_init();
 506         palmtc_nor_init();
 507         palmtc_lcd_init();
 508         palmtc_leds_init();
 509 };
 510
 511 MACHINE_START(PALMTC, "Palm Tungsten|C")
 512         .atag_offset    = 0x100,
 513         .map_io         = pxa25x_map_io,
 514         .nr_irqs        = PXA_NR_IRQS,
 515         .init_irq       = pxa25x_init_irq,
 516         .handle_irq     = pxa25x_handle_irq,
 517         .init_time      = pxa_timer_init,
 518         .init_machine   = palmtc_init,
 519         .restart        = pxa_restart,
 520 MACHINE_END