arch/arm/mach-pxa/palmld.c

   1 /*
   2  * Hardware definitions for Palm LifeDrive
   3  *
   4  * Author:     Marek Vasut <marek.vasut@gmail.com>
   5  *
   6  * Based on work of:
   7  *              Alex Osborne <ato@meshy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  * (find more info at www.hackndev.com)
  14  *
  15  */
  16
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/irq.h>
  20 #include <linux/gpio_keys.h>
  21 #include <linux/input.h>
  22 #include <linux/pda_power.h>
  23 #include <linux/pwm_backlight.h>
  24 #include <linux/gpio.h>
  25 #include <linux/wm97xx_batt.h>
  26 #include <linux/power_supply.h>
  27 #include <linux/sysdev.h>
  28 #include <linux/mtd/mtd.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/mtd/physmap.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <mach/pxa27x.h>
  37 #include <mach/audio.h>
  38 #include <mach/palmld.h>
  39 #include <mach/mmc.h>
  40 #include <mach/pxafb.h>
  41 #include <mach/irda.h>
  42 #include <mach/pxa27x_keypad.h>
  43 #include <mach/palmasoc.h>
  44
  45 #include "generic.h"
  46 #include "devices.h"
  47
  48 /******************************************************************************
  49  * Pin configuration
  50  ******************************************************************************/
  51 static unsigned long palmld_pin_config[] __initdata = {
  52         /* MMC */
  53         GPIO32_MMC_CLK,
  54         GPIO92_MMC_DAT_0,
  55         GPIO109_MMC_DAT_1,
  56         GPIO110_MMC_DAT_2,
  57         GPIO111_MMC_DAT_3,
  58         GPIO112_MMC_CMD,
  59         GPIO14_GPIO,    /* SD detect */
  60         GPIO114_GPIO,   /* SD power */
  61         GPIO116_GPIO,   /* SD r/o switch */
  62
  63         /* AC97 */
  64         GPIO28_AC97_BITCLK,
  65         GPIO29_AC97_SDATA_IN_0,
  66         GPIO30_AC97_SDATA_OUT,
  67         GPIO31_AC97_SYNC,
  68         GPIO89_AC97_SYSCLK,
  69         GPIO95_AC97_nRESET,
  70
  71         /* IrDA */
  72         GPIO108_GPIO,   /* ir disable */
  73         GPIO46_FICP_RXD,
  74         GPIO47_FICP_TXD,
  75
  76         /* MATRIX KEYPAD */
  77         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
  78         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
  79         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
  80         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
  81         GPIO103_KP_MKOUT_0,
  82         GPIO104_KP_MKOUT_1,
  83         GPIO105_KP_MKOUT_2,
  84
  85         /* LCD */
  86         GPIO58_LCD_LDD_0,
  87         GPIO59_LCD_LDD_1,
  88         GPIO60_LCD_LDD_2,
  89         GPIO61_LCD_LDD_3,
  90         GPIO62_LCD_LDD_4,
  91         GPIO63_LCD_LDD_5,
  92         GPIO64_LCD_LDD_6,
  93         GPIO65_LCD_LDD_7,
  94         GPIO66_LCD_LDD_8,
  95         GPIO67_LCD_LDD_9,
  96         GPIO68_LCD_LDD_10,
  97         GPIO69_LCD_LDD_11,
  98         GPIO70_LCD_LDD_12,
  99         GPIO71_LCD_LDD_13,
 100         GPIO72_LCD_LDD_14,
 101         GPIO73_LCD_LDD_15,
 102         GPIO74_LCD_FCLK,
 103         GPIO75_LCD_LCLK,
 104         GPIO76_LCD_PCLK,
 105         GPIO77_LCD_BIAS,
 106
 107         /* PWM */
 108         GPIO16_PWM0_OUT,
 109
 110         /* GPIO KEYS */
 111         GPIO10_GPIO,    /* hotsync button */
 112         GPIO12_GPIO,    /* power switch */
 113         GPIO15_GPIO,    /* lock switch */
 114
 115         /* LEDs */
 116         GPIO52_GPIO,    /* green led */
 117         GPIO94_GPIO,    /* orange led */
 118
 119         /* PCMCIA */
 120         GPIO48_nPOE,
 121         GPIO49_nPWE,
 122         GPIO50_nPIOR,
 123         GPIO51_nPIOW,
 124         GPIO85_nPCE_1,
 125         GPIO54_nPCE_2,
 126         GPIO79_PSKTSEL,
 127         GPIO55_nPREG,
 128         GPIO56_nPWAIT,
 129         GPIO57_nIOIS16,
 130         GPIO36_GPIO,    /* wifi power */
 131         GPIO38_GPIO,    /* wifi ready */
 132         GPIO81_GPIO,    /* wifi reset */
 133
 134         /* FFUART */
 135         GPIO34_FFUART_RXD,
 136         GPIO39_FFUART_TXD,
 137
 138         /* HDD */
 139         GPIO98_GPIO,    /* HDD reset */
 140         GPIO115_GPIO,   /* HDD power */
 141
 142         /* MISC */
 143         GPIO13_GPIO,    /* earphone detect */
 144 };
 145
 146 /******************************************************************************
 147  * NOR Flash
 148  ******************************************************************************/
 149 static struct mtd_partition palmld_partitions[] = {
 150         {
 151                 .name           = "Flash",
 152                 .offset         = 0x00000000,
 153                 .size           = MTDPART_SIZ_FULL,
 154                 .mask_flags     = 0
 155         }
 156 };
 157
 158 static struct physmap_flash_data palmld_flash_data[] = {
 159         {
 160                 .width          = 2,                    /* bankwidth in bytes */
 161                 .parts          = palmld_partitions,
 162                 .nr_parts       = ARRAY_SIZE(palmld_partitions)
 163         }
 164 };
 165
 166 static struct resource palmld_flash_resource = {
 167         .start  = PXA_CS0_PHYS,
 168         .end    = PXA_CS0_PHYS + SZ_4M - 1,
 169         .flags  = IORESOURCE_MEM,
 170 };
 171
 172 static struct platform_device palmld_flash = {
 173         .name           = "physmap-flash",
 174         .id             = 0,
 175         .resource       = &palmld_flash_resource,
 176         .num_resources  = 1,
 177         .dev            = {
 178                 .platform_data = palmld_flash_data,
 179         },
 180 };
 181
 182 /******************************************************************************
 183  * SD/MMC card controller
 184  ******************************************************************************/
 185 static struct pxamci_platform_data palmld_mci_platform_data = {
 186         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 187         .gpio_card_detect       = GPIO_NR_PALMLD_SD_DETECT_N,
 188         .gpio_card_ro           = GPIO_NR_PALMLD_SD_READONLY,
 189         .gpio_power             = GPIO_NR_PALMLD_SD_POWER,
 190         .detect_delay           = 20,
 191 };
 192
 193 /******************************************************************************
 194  * GPIO keyboard
 195  ******************************************************************************/
 196 static unsigned int palmld_matrix_keys[] = {
 197         KEY(0, 1, KEY_F2),
 198         KEY(0, 2, KEY_UP),
 199
 200         KEY(1, 0, KEY_F3),
 201         KEY(1, 1, KEY_F4),
 202         KEY(1, 2, KEY_RIGHT),
 203
 204         KEY(2, 0, KEY_F1),
 205         KEY(2, 1, KEY_F5),
 206         KEY(2, 2, KEY_DOWN),
 207
 208         KEY(3, 0, KEY_F6),
 209         KEY(3, 1, KEY_ENTER),
 210         KEY(3, 2, KEY_LEFT),
 211 };
 212
 213 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
 214         .matrix_key_rows        = 4,
 215         .matrix_key_cols        = 3,
 216         .matrix_key_map         = palmld_matrix_keys,
 217         .matrix_key_map_size    = ARRAY_SIZE(palmld_matrix_keys),
 218
 219         .debounce_interval      = 30,
 220 };
 221
 222 /******************************************************************************
 223  * GPIO keys
 224  ******************************************************************************/
 225 static struct gpio_keys_button palmld_pxa_buttons[] = {
 226         {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 227         {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
 228         {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
 229 };
 230
 231 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
 232         .buttons        = palmld_pxa_buttons,
 233         .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
 234 };
 235
 236 static struct platform_device palmld_pxa_keys = {
 237         .name   = "gpio-keys",
 238         .id     = -1,
 239         .dev    = {
 240                 .platform_data = &palmld_pxa_keys_data,
 241         },
 242 };
 243
 244 /******************************************************************************
 245  * Backlight
 246  ******************************************************************************/
 247 static int palmld_backlight_init(struct device *dev)
 248 {
 249         int ret;
 250
 251         ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
 252         if (ret)
 253                 goto err;
 254         ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
 255         if (ret)
 256                 goto err2;
 257         ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
 258         if (ret)
 259                 goto err2;
 260         ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
 261         if (ret)
 262                 goto err3;
 263
 264         return 0;
 265 err3:
 266         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
 267 err2:
 268         gpio_free(GPIO_NR_PALMLD_BL_POWER);
 269 err:
 270         return ret;
 271 }
 272
 273 static int palmld_backlight_notify(int brightness)
 274 {
 275         gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
 276         gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
 277         return brightness;
 278 }
 279
 280 static void palmld_backlight_exit(struct device *dev)
 281 {
 282         gpio_free(GPIO_NR_PALMLD_BL_POWER);
 283         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
 284 }
 285
 286 static struct platform_pwm_backlight_data palmld_backlight_data = {
 287         .pwm_id         = 0,
 288         .max_brightness = PALMLD_MAX_INTENSITY,
 289         .dft_brightness = PALMLD_MAX_INTENSITY,
 290         .pwm_period_ns  = PALMLD_PERIOD_NS,
 291         .init           = palmld_backlight_init,
 292         .notify         = palmld_backlight_notify,
 293         .exit           = palmld_backlight_exit,
 294 };
 295
 296 static struct platform_device palmld_backlight = {
 297         .name   = "pwm-backlight",
 298         .dev    = {
 299                 .parent         = &pxa27x_device_pwm0.dev,
 300                 .platform_data  = &palmld_backlight_data,
 301         },
 302 };
 303
 304 /******************************************************************************
 305  * IrDA
 306  ******************************************************************************/
 307 static struct pxaficp_platform_data palmld_ficp_platform_data = {
 308         .gpio_pwdown            = GPIO_NR_PALMLD_IR_DISABLE,
 309         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 310 };
 311
 312 /******************************************************************************
 313  * LEDs
 314  ******************************************************************************/
 315 struct gpio_led gpio_leds[] = {
 316 {
 317         .name                   = "palmld:green:led",
 318         .default_trigger        = "none",
 319         .gpio                   = GPIO_NR_PALMLD_LED_GREEN,
 320 }, {
 321         .name                   = "palmld:amber:led",
 322         .default_trigger        = "none",
 323         .gpio                   = GPIO_NR_PALMLD_LED_AMBER,
 324 },
 325 };
 326
 327 static struct gpio_led_platform_data gpio_led_info = {
 328         .leds           = gpio_leds,
 329         .num_leds       = ARRAY_SIZE(gpio_leds),
 330 };
 331
 332 static struct platform_device palmld_leds = {
 333         .name   = "leds-gpio",
 334         .id     = -1,
 335         .dev    = {
 336                 .platform_data  = &gpio_led_info,
 337         }
 338 };
 339
 340 /******************************************************************************
 341  * Power supply
 342  ******************************************************************************/
 343 static int power_supply_init(struct device *dev)
 344 {
 345         int ret;
 346
 347         ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
 348         if (ret)
 349                 goto err1;
 350         ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
 351         if (ret)
 352                 goto err2;
 353
 354         ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
 355         if (ret)
 356                 goto err2;
 357         ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
 358         if (ret)
 359                 goto err3;
 360
 361         return 0;
 362
 363 err3:
 364         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
 365 err2:
 366         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
 367 err1:
 368         return ret;
 369 }
 370
 371 static int palmld_is_ac_online(void)
 372 {
 373         return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
 374 }
 375
 376 static int palmld_is_usb_online(void)
 377 {
 378         return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
 379 }
 380
 381 static void power_supply_exit(struct device *dev)
 382 {
 383         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
 384         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
 385 }
 386
 387 static char *palmld_supplicants[] = {
 388         "main-battery",
 389 };
 390
 391 static struct pda_power_pdata power_supply_info = {
 392         .init            = power_supply_init,
 393         .is_ac_online    = palmld_is_ac_online,
 394         .is_usb_online   = palmld_is_usb_online,
 395         .exit            = power_supply_exit,
 396         .supplied_to     = palmld_supplicants,
 397         .num_supplicants = ARRAY_SIZE(palmld_supplicants),
 398 };
 399
 400 static struct platform_device power_supply = {
 401         .name = "pda-power",
 402         .id   = -1,
 403         .dev  = {
 404                 .platform_data = &power_supply_info,
 405         },
 406 };
 407
 408 /******************************************************************************
 409  * WM97xx battery
 410  ******************************************************************************/
 411 static struct wm97xx_batt_info wm97xx_batt_pdata = {
 412         .batt_aux       = WM97XX_AUX_ID3,
 413         .temp_aux       = WM97XX_AUX_ID2,
 414         .charge_gpio    = -1,
 415         .max_voltage    = PALMLD_BAT_MAX_VOLTAGE,
 416         .min_voltage    = PALMLD_BAT_MIN_VOLTAGE,
 417         .batt_mult      = 1000,
 418         .batt_div       = 414,
 419         .temp_mult      = 1,
 420         .temp_div       = 1,
 421         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
 422         .batt_name      = "main-batt",
 423 };
 424
 425 /******************************************************************************
 426  * aSoC audio
 427  ******************************************************************************/
 428 static struct palm27x_asoc_info palmld_asoc_pdata = {
 429         .jack_gpio      = GPIO_NR_PALMLD_EARPHONE_DETECT,
 430 };
 431
 432 static pxa2xx_audio_ops_t palmld_ac97_pdata = {
 433         .reset_gpio     = 95,
 434 };
 435
 436 static struct platform_device palmld_asoc = {
 437         .name = "palm27x-asoc",
 438         .id   = -1,
 439         .dev  = {
 440                 .platform_data = &palmld_asoc_pdata,
 441         },
 442 };
 443
 444 /******************************************************************************
 445  * HDD
 446  ******************************************************************************/
 447 static struct platform_device palmld_hdd = {
 448         .name   = "pata_palmld",
 449         .id     = -1,
 450 };
 451
 452 /******************************************************************************
 453  * Framebuffer
 454  ******************************************************************************/
 455 static struct pxafb_mode_info palmld_lcd_modes[] = {
 456 {
 457         .pixclock       = 57692,
 458         .xres           = 320,
 459         .yres           = 480,
 460         .bpp            = 16,
 461
 462         .left_margin    = 32,
 463         .right_margin   = 1,
 464         .upper_margin   = 7,
 465         .lower_margin   = 1,
 466
 467         .hsync_len      = 4,
 468         .vsync_len      = 1,
 469 },
 470 };
 471
 472 static struct pxafb_mach_info palmld_lcd_screen = {
 473         .modes          = palmld_lcd_modes,
 474         .num_modes      = ARRAY_SIZE(palmld_lcd_modes),
 475         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 476 };
 477
 478 /******************************************************************************
 479  * Power management - standby
 480  ******************************************************************************/
 481 static void __init palmld_pm_init(void)
 482 {
 483         static u32 resume[] = {
 484                 0xe3a00101,     /* mov  r0,     #0x40000000 */
 485                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
 486                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
 487         };
 488
 489         /* copy the bootloader */
 490         memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume));
 491 }
 492
 493 /******************************************************************************
 494  * Machine init
 495  ******************************************************************************/
 496 static struct platform_device *devices[] __initdata = {
 497 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 498         &palmld_pxa_keys,
 499 #endif
 500         &palmld_backlight,
 501         &palmld_leds,
 502         &power_supply,
 503         &palmld_asoc,
 504         &palmld_hdd,
 505         &palmld_flash,
 506 };
 507
 508 static struct map_desc palmld_io_desc[] __initdata = {
 509 {
 510         .virtual        = PALMLD_IDE_VIRT,
 511         .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
 512         .length         = PALMLD_IDE_SIZE,
 513         .type           = MT_DEVICE
 514 },
 515 {
 516         .virtual        = PALMLD_USB_VIRT,
 517         .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
 518         .length         = PALMLD_USB_SIZE,
 519         .type           = MT_DEVICE
 520 },
 521 };
 522
 523 static void __init palmld_map_io(void)
 524 {
 525         pxa_map_io();
 526         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
 527 }
 528
 529 static void __init palmld_init(void)
 530 {
 531         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
 532
 533         palmld_pm_init();
 534         set_pxa_fb_info(&palmld_lcd_screen);
 535         pxa_set_mci_info(&palmld_mci_platform_data);
 536         pxa_set_ac97_info(&palmld_ac97_pdata);
 537         pxa_set_ficp_info(&palmld_ficp_platform_data);
 538         pxa_set_keypad_info(&palmld_keypad_platform_data);
 539         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
 540
 541         platform_add_devices(devices, ARRAY_SIZE(devices));
 542 }
 543
 544 MACHINE_START(PALMLD, "Palm LifeDrive")
 545         .phys_io        = PALMLD_PHYS_IO_START,
 546         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 547         .boot_params    = 0xa0000100,
 548         .map_io         = palmld_map_io,
 549         .init_irq       = pxa27x_init_irq,
 550         .timer          = &pxa_timer,
 551         .init_machine   = palmld_init
 552 MACHINE_END