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_backlight.h>
  22 #include <linux/gpio.h>
  23 #include <linux/input/matrix_keypad.h>
  24 #include <linux/ucb1400.h>
  25 #include <linux/power_supply.h>
  26 #include <linux/gpio_keys.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/usb/gpio_vbus.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <mach/pxa25x.h>
  35 #include <mach/audio.h>
  36 #include <mach/palmtc.h>
  37 #include <linux/platform_data/mmc-pxamci.h>
  38 #include <linux/platform_data/video-pxafb.h>
  39 #include <linux/platform_data/irda-pxaficp.h>
  40 #include <mach/udc.h>
  41
  42 #include "generic.h"
  43 #include "devices.h"
  44
  45 /******************************************************************************
  46  * Pin configuration
  47  ******************************************************************************/
  48 static unsigned long palmtc_pin_config[] __initdata = {
  49         /* MMC */
  50         GPIO6_MMC_CLK,
  51         GPIO8_MMC_CS0,
  52         GPIO12_GPIO,    /* detect */
  53         GPIO32_GPIO,    /* power */
  54         GPIO54_GPIO,    /* r/o switch */
  55
  56         /* PCMCIA */
  57         GPIO52_nPCE_1,
  58         GPIO53_nPCE_2,
  59         GPIO50_nPIOR,
  60         GPIO51_nPIOW,
  61         GPIO49_nPWE,
  62         GPIO48_nPOE,
  63         GPIO52_nPCE_1,
  64         GPIO53_nPCE_2,
  65         GPIO57_nIOIS16,
  66         GPIO56_nPWAIT,
  67
  68         /* AC97 */
  69         GPIO28_AC97_BITCLK,
  70         GPIO29_AC97_SDATA_IN_0,
  71         GPIO30_AC97_SDATA_OUT,
  72         GPIO31_AC97_SYNC,
  73
  74         /* IrDA */
  75         GPIO45_GPIO,    /* ir disable */
  76         GPIO46_FICP_RXD,
  77         GPIO47_FICP_TXD,
  78
  79         /* PWM */
  80         GPIO17_PWM1_OUT,
  81
  82         /* USB */
  83         GPIO4_GPIO,     /* detect */
  84         GPIO36_GPIO,    /* pullup */
  85
  86         /* LCD */
  87         GPIOxx_LCD_TFT_16BPP,
  88
  89         /* MATRIX KEYPAD */
  90         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 0 */
  91         GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 1 */
  92         GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 2 */
  93         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 3 */
  94         GPIO18_GPIO | MFP_LPM_DRIVE_LOW,        /* out 0 */
  95         GPIO19_GPIO | MFP_LPM_DRIVE_LOW,        /* out 1 */
  96         GPIO20_GPIO | MFP_LPM_DRIVE_LOW,        /* out 2 */
  97         GPIO21_GPIO | MFP_LPM_DRIVE_LOW,        /* out 3 */
  98         GPIO22_GPIO | MFP_LPM_DRIVE_LOW,        /* out 4 */
  99         GPIO23_GPIO | MFP_LPM_DRIVE_LOW,        /* out 5 */
 100         GPIO24_GPIO | MFP_LPM_DRIVE_LOW,        /* out 6 */
 101         GPIO25_GPIO | MFP_LPM_DRIVE_LOW,        /* out 7 */
 102         GPIO26_GPIO | MFP_LPM_DRIVE_LOW,        /* out 8 */
 103         GPIO27_GPIO | MFP_LPM_DRIVE_LOW,        /* out 9 */
 104         GPIO79_GPIO | MFP_LPM_DRIVE_LOW,        /* out 10 */
 105         GPIO80_GPIO | MFP_LPM_DRIVE_LOW,        /* out 11 */
 106
 107         /* PXA GPIO KEYS */
 108         GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH,       /* hotsync button on cradle */
 109
 110         /* MISC */
 111         GPIO1_RST,      /* reset */
 112         GPIO2_GPIO,     /* earphone detect */
 113         GPIO16_GPIO,    /* backlight switch */
 114 };
 115
 116 /******************************************************************************
 117  * SD/MMC card controller
 118  ******************************************************************************/
 119 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 120 static struct pxamci_platform_data palmtc_mci_platform_data = {
 121         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 122         .gpio_power             = GPIO_NR_PALMTC_SD_POWER,
 123         .gpio_card_ro           = GPIO_NR_PALMTC_SD_READONLY,
 124         .gpio_card_detect       = GPIO_NR_PALMTC_SD_DETECT_N,
 125         .detect_delay_ms        = 200,
 126 };
 127
 128 static void __init palmtc_mmc_init(void)
 129 {
 130         pxa_set_mci_info(&palmtc_mci_platform_data);
 131 }
 132 #else
 133 static inline void palmtc_mmc_init(void) {}
 134 #endif
 135
 136 /******************************************************************************
 137  * GPIO keys
 138  ******************************************************************************/
 139 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 140 static struct gpio_keys_button palmtc_pxa_buttons[] = {
 141         {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
 142 };
 143
 144 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
 145         .buttons        = palmtc_pxa_buttons,
 146         .nbuttons       = ARRAY_SIZE(palmtc_pxa_buttons),
 147 };
 148
 149 static struct platform_device palmtc_pxa_keys = {
 150         .name   = "gpio-keys",
 151         .id     = -1,
 152         .dev    = {
 153                 .platform_data = &palmtc_pxa_keys_data,
 154         },
 155 };
 156
 157 static void __init palmtc_keys_init(void)
 158 {
 159         platform_device_register(&palmtc_pxa_keys);
 160 }
 161 #else
 162 static inline void palmtc_keys_init(void) {}
 163 #endif
 164
 165 /******************************************************************************
 166  * Backlight
 167  ******************************************************************************/
 168 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 169 static struct platform_pwm_backlight_data palmtc_backlight_data = {
 170         .pwm_id         = 1,
 171         .max_brightness = PALMTC_MAX_INTENSITY,
 172         .dft_brightness = PALMTC_MAX_INTENSITY,
 173         .pwm_period_ns  = PALMTC_PERIOD_NS,
 174         .enable_gpio    = GPIO_NR_PALMTC_BL_POWER,
 175 };
 176
 177 static struct platform_device palmtc_backlight = {
 178         .name   = "pwm-backlight",
 179         .dev    = {
 180                 .parent         = &pxa25x_device_pwm1.dev,
 181                 .platform_data  = &palmtc_backlight_data,
 182         },
 183 };
 184
 185 static void __init palmtc_pwm_init(void)
 186 {
 187         platform_device_register(&palmtc_backlight);
 188 }
 189 #else
 190 static inline void palmtc_pwm_init(void) {}
 191 #endif
 192
 193 /******************************************************************************
 194  * IrDA
 195  ******************************************************************************/
 196 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
 197 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
 198         .gpio_pwdown            = GPIO_NR_PALMTC_IR_DISABLE,
 199         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 200 };
 201
 202 static void __init palmtc_irda_init(void)
 203 {
 204         pxa_set_ficp_info(&palmtc_ficp_platform_data);
 205 }
 206 #else
 207 static inline void palmtc_irda_init(void) {}
 208 #endif
 209
 210 /******************************************************************************
 211  * Keyboard
 212  ******************************************************************************/
 213 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 214 static const uint32_t palmtc_matrix_keys[] = {
 215         KEY(0, 0, KEY_F1),
 216         KEY(0, 1, KEY_X),
 217         KEY(0, 2, KEY_POWER),
 218         KEY(0, 3, KEY_TAB),
 219         KEY(0, 4, KEY_A),
 220         KEY(0, 5, KEY_Q),
 221         KEY(0, 6, KEY_LEFTSHIFT),
 222         KEY(0, 7, KEY_Z),
 223         KEY(0, 8, KEY_S),
 224         KEY(0, 9, KEY_W),
 225         KEY(0, 10, KEY_E),
 226         KEY(0, 11, KEY_UP),
 227
 228         KEY(1, 0, KEY_F2),
 229         KEY(1, 1, KEY_DOWN),
 230         KEY(1, 3, KEY_D),
 231         KEY(1, 4, KEY_C),
 232         KEY(1, 5, KEY_F),
 233         KEY(1, 6, KEY_R),
 234         KEY(1, 7, KEY_SPACE),
 235         KEY(1, 8, KEY_V),
 236         KEY(1, 9, KEY_G),
 237         KEY(1, 10, KEY_T),
 238         KEY(1, 11, KEY_LEFT),
 239
 240         KEY(2, 0, KEY_F3),
 241         KEY(2, 1, KEY_LEFTCTRL),
 242         KEY(2, 3, KEY_H),
 243         KEY(2, 4, KEY_Y),
 244         KEY(2, 5, KEY_N),
 245         KEY(2, 6, KEY_J),
 246         KEY(2, 7, KEY_U),
 247         KEY(2, 8, KEY_M),
 248         KEY(2, 9, KEY_K),
 249         KEY(2, 10, KEY_I),
 250         KEY(2, 11, KEY_RIGHT),
 251
 252         KEY(3, 0, KEY_F4),
 253         KEY(3, 1, KEY_ENTER),
 254         KEY(3, 3, KEY_DOT),
 255         KEY(3, 4, KEY_L),
 256         KEY(3, 5, KEY_O),
 257         KEY(3, 6, KEY_LEFTALT),
 258         KEY(3, 7, KEY_ENTER),
 259         KEY(3, 8, KEY_BACKSPACE),
 260         KEY(3, 9, KEY_P),
 261         KEY(3, 10, KEY_B),
 262         KEY(3, 11, KEY_FN),
 263 };
 264
 265 const struct matrix_keymap_data palmtc_keymap_data = {
 266         .keymap                 = palmtc_matrix_keys,
 267         .keymap_size            = ARRAY_SIZE(palmtc_matrix_keys),
 268 };
 269
 270 static const unsigned int palmtc_keypad_row_gpios[] = {
 271         0, 9, 10, 11
 272 };
 273
 274 static const unsigned int palmtc_keypad_col_gpios[] = {
 275         18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
 276 };
 277
 278 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
 279         .keymap_data    = &palmtc_keymap_data,
 280         .row_gpios      = palmtc_keypad_row_gpios,
 281         .num_row_gpios  = ARRAY_SIZE(palmtc_keypad_row_gpios),
 282         .col_gpios      = palmtc_keypad_col_gpios,
 283         .num_col_gpios  = ARRAY_SIZE(palmtc_keypad_col_gpios),
 284         .active_low     = 1,
 285
 286         .debounce_ms            = 20,
 287         .col_scan_delay_us      = 5,
 288 };
 289
 290 static struct platform_device palmtc_keyboard = {
 291         .name   = "matrix-keypad",
 292         .id     = -1,
 293         .dev    = {
 294                 .platform_data = &palmtc_keypad_platform_data,
 295         },
 296 };
 297 static void __init palmtc_mkp_init(void)
 298 {
 299         platform_device_register(&palmtc_keyboard);
 300 }
 301 #else
 302 static inline void palmtc_mkp_init(void) {}
 303 #endif
 304
 305 /******************************************************************************
 306  * UDC
 307  ******************************************************************************/
 308 #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
 309 static struct gpio_vbus_mach_info palmtc_udc_info = {
 310         .gpio_vbus              = GPIO_NR_PALMTC_USB_DETECT_N,
 311         .gpio_vbus_inverted     = 1,
 312         .gpio_pullup            = GPIO_NR_PALMTC_USB_POWER,
 313 };
 314
 315 static struct platform_device palmtc_gpio_vbus = {
 316         .name   = "gpio-vbus",
 317         .id     = -1,
 318         .dev    = {
 319                 .platform_data  = &palmtc_udc_info,
 320         },
 321 };
 322
 323 static void __init palmtc_udc_init(void)
 324 {
 325         platform_device_register(&palmtc_gpio_vbus);
 326 };
 327 #else
 328 static inline void palmtc_udc_init(void) {}
 329 #endif
 330
 331 /******************************************************************************
 332  * Touchscreen / Battery / GPIO-extender
 333  ******************************************************************************/
 334 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 335         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 336 static struct platform_device palmtc_ucb1400_device = {
 337         .name   = "ucb1400_core",
 338         .id     = -1,
 339 };
 340
 341 static void __init palmtc_ts_init(void)
 342 {
 343         pxa_set_ac97_info(NULL);
 344         platform_device_register(&palmtc_ucb1400_device);
 345 }
 346 #else
 347 static inline void palmtc_ts_init(void) {}
 348 #endif
 349
 350 /******************************************************************************
 351  * LEDs
 352  ******************************************************************************/
 353 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 354 struct gpio_led palmtc_gpio_leds[] = {
 355 {
 356         .name                   = "palmtc:green:user",
 357         .default_trigger        = "none",
 358         .gpio                   = GPIO_NR_PALMTC_LED_POWER,
 359         .active_low             = 1,
 360 }, {
 361         .name                   = "palmtc:vibra:vibra",
 362         .default_trigger        = "none",
 363         .gpio                   = GPIO_NR_PALMTC_VIBRA_POWER,
 364         .active_low             = 1,
 365 }
 366
 367 };
 368
 369 static struct gpio_led_platform_data palmtc_gpio_led_info = {
 370         .leds           = palmtc_gpio_leds,
 371         .num_leds       = ARRAY_SIZE(palmtc_gpio_leds),
 372 };
 373
 374 static struct platform_device palmtc_leds = {
 375         .name   = "leds-gpio",
 376         .id     = -1,
 377         .dev    = {
 378                 .platform_data  = &palmtc_gpio_led_info,
 379         }
 380 };
 381
 382 static void __init palmtc_leds_init(void)
 383 {
 384         platform_device_register(&palmtc_leds);
 385 }
 386 #else
 387 static inline void palmtc_leds_init(void) {}
 388 #endif
 389
 390 /******************************************************************************
 391  * NOR Flash
 392  ******************************************************************************/
 393 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 394 static struct resource palmtc_flash_resource = {
 395         .start  = PXA_CS0_PHYS,
 396         .end    = PXA_CS0_PHYS + SZ_16M - 1,
 397         .flags  = IORESOURCE_MEM,
 398 };
 399
 400 static struct mtd_partition palmtc_flash_parts[] = {
 401         {
 402                 .name   = "U-Boot Bootloader",
 403                 .offset = 0x0,
 404                 .size   = 0x40000,
 405         },
 406         {
 407                 .name   = "Linux Kernel",
 408                 .offset = 0x40000,
 409                 .size   = 0x2c0000,
 410         },
 411         {
 412                 .name   = "Filesystem",
 413                 .offset = 0x300000,
 414                 .size   = 0xcc0000,
 415         },
 416         {
 417                 .name   = "U-Boot Environment",
 418                 .offset = 0xfc0000,
 419                 .size   = MTDPART_SIZ_FULL,
 420         },
 421 };
 422
 423 static struct physmap_flash_data palmtc_flash_data = {
 424         .width          = 4,
 425         .parts          = palmtc_flash_parts,
 426         .nr_parts       = ARRAY_SIZE(palmtc_flash_parts),
 427 };
 428
 429 static struct platform_device palmtc_flash = {
 430         .name           = "physmap-flash",
 431         .id             = -1,
 432         .resource       = &palmtc_flash_resource,
 433         .num_resources  = 1,
 434         .dev = {
 435                 .platform_data  = &palmtc_flash_data,
 436         },
 437 };
 438
 439 static void __init palmtc_nor_init(void)
 440 {
 441         platform_device_register(&palmtc_flash);
 442 }
 443 #else
 444 static inline void palmtc_nor_init(void) {}
 445 #endif
 446
 447 /******************************************************************************
 448  * Framebuffer
 449  ******************************************************************************/
 450 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 451 static struct pxafb_mode_info palmtc_lcd_modes[] = {
 452         {
 453                 .pixclock       = 115384,
 454                 .xres           = 320,
 455                 .yres           = 320,
 456                 .bpp            = 16,
 457
 458                 .left_margin    = 27,
 459                 .right_margin   = 7,
 460                 .upper_margin   = 7,
 461                 .lower_margin   = 8,
 462
 463                 .hsync_len      = 6,
 464                 .vsync_len      = 1,
 465         },
 466 };
 467
 468 static struct pxafb_mach_info palmtc_lcd_screen = {
 469         .modes                  = palmtc_lcd_modes,
 470         .num_modes              = ARRAY_SIZE(palmtc_lcd_modes),
 471         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 472 };
 473
 474 static void __init palmtc_lcd_init(void)
 475 {
 476         pxa_set_fb_info(NULL, &palmtc_lcd_screen);
 477 }
 478 #else
 479 static inline void palmtc_lcd_init(void) {}
 480 #endif
 481
 482 /******************************************************************************
 483  * Machine init
 484  ******************************************************************************/
 485 static void __init palmtc_init(void)
 486 {
 487         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
 488
 489         pxa_set_ffuart_info(NULL);
 490         pxa_set_btuart_info(NULL);
 491         pxa_set_stuart_info(NULL);
 492         pxa_set_hwuart_info(NULL);
 493
 494         palmtc_mmc_init();
 495         palmtc_keys_init();
 496         palmtc_pwm_init();
 497         palmtc_irda_init();
 498         palmtc_mkp_init();
 499         palmtc_udc_init();
 500         palmtc_ts_init();
 501         palmtc_nor_init();
 502         palmtc_lcd_init();
 503         palmtc_leds_init();
 504 };
 505
 506 MACHINE_START(PALMTC, "Palm Tungsten|C")
 507         .atag_offset    = 0x100,
 508         .map_io         = pxa25x_map_io,
 509         .nr_irqs        = PXA_NR_IRQS,
 510         .init_irq       = pxa25x_init_irq,
 511         .handle_irq     = pxa25x_handle_irq,
 512         .init_time      = pxa_timer_init,
 513         .init_machine   = palmtc_init,
 514         .restart        = pxa_restart,
 515 MACHINE_END