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         GPIOxx_LCD_TFT_16BPP,
  87
  88         /* PWM */
  89         GPIO16_PWM0_OUT,
  90
  91         /* GPIO KEYS */
  92         GPIO10_GPIO,    /* hotsync button */
  93         GPIO12_GPIO,    /* power switch */
  94         GPIO15_GPIO,    /* lock switch */
  95
  96         /* LEDs */
  97         GPIO52_GPIO,    /* green led */
  98         GPIO94_GPIO,    /* orange led */
  99
 100         /* PCMCIA */
 101         GPIO48_nPOE,
 102         GPIO49_nPWE,
 103         GPIO50_nPIOR,
 104         GPIO51_nPIOW,
 105         GPIO85_nPCE_1,
 106         GPIO54_nPCE_2,
 107         GPIO79_PSKTSEL,
 108         GPIO55_nPREG,
 109         GPIO56_nPWAIT,
 110         GPIO57_nIOIS16,
 111         GPIO36_GPIO,    /* wifi power */
 112         GPIO38_GPIO,    /* wifi ready */
 113         GPIO81_GPIO,    /* wifi reset */
 114
 115         /* FFUART */
 116         GPIO34_FFUART_RXD,
 117         GPIO39_FFUART_TXD,
 118
 119         /* HDD */
 120         GPIO98_GPIO,    /* HDD reset */
 121         GPIO115_GPIO,   /* HDD power */
 122
 123         /* MISC */
 124         GPIO13_GPIO,    /* earphone detect */
 125 };
 126
 127 /******************************************************************************
 128  * NOR Flash
 129  ******************************************************************************/
 130 static struct mtd_partition palmld_partitions[] = {
 131         {
 132                 .name           = "Flash",
 133                 .offset         = 0x00000000,
 134                 .size           = MTDPART_SIZ_FULL,
 135                 .mask_flags     = 0
 136         }
 137 };
 138
 139 static struct physmap_flash_data palmld_flash_data[] = {
 140         {
 141                 .width          = 2,                    /* bankwidth in bytes */
 142                 .parts          = palmld_partitions,
 143                 .nr_parts       = ARRAY_SIZE(palmld_partitions)
 144         }
 145 };
 146
 147 static struct resource palmld_flash_resource = {
 148         .start  = PXA_CS0_PHYS,
 149         .end    = PXA_CS0_PHYS + SZ_4M - 1,
 150         .flags  = IORESOURCE_MEM,
 151 };
 152
 153 static struct platform_device palmld_flash = {
 154         .name           = "physmap-flash",
 155         .id             = 0,
 156         .resource       = &palmld_flash_resource,
 157         .num_resources  = 1,
 158         .dev            = {
 159                 .platform_data = palmld_flash_data,
 160         },
 161 };
 162
 163 /******************************************************************************
 164  * SD/MMC card controller
 165  ******************************************************************************/
 166 static struct pxamci_platform_data palmld_mci_platform_data = {
 167         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 168         .gpio_card_detect       = GPIO_NR_PALMLD_SD_DETECT_N,
 169         .gpio_card_ro           = GPIO_NR_PALMLD_SD_READONLY,
 170         .gpio_power             = GPIO_NR_PALMLD_SD_POWER,
 171         .detect_delay_ms        = 200,
 172 };
 173
 174 /******************************************************************************
 175  * GPIO keyboard
 176  ******************************************************************************/
 177 static unsigned int palmld_matrix_keys[] = {
 178         KEY(0, 1, KEY_F2),
 179         KEY(0, 2, KEY_UP),
 180
 181         KEY(1, 0, KEY_F3),
 182         KEY(1, 1, KEY_F4),
 183         KEY(1, 2, KEY_RIGHT),
 184
 185         KEY(2, 0, KEY_F1),
 186         KEY(2, 1, KEY_F5),
 187         KEY(2, 2, KEY_DOWN),
 188
 189         KEY(3, 0, KEY_F6),
 190         KEY(3, 1, KEY_ENTER),
 191         KEY(3, 2, KEY_LEFT),
 192 };
 193
 194 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
 195         .matrix_key_rows        = 4,
 196         .matrix_key_cols        = 3,
 197         .matrix_key_map         = palmld_matrix_keys,
 198         .matrix_key_map_size    = ARRAY_SIZE(palmld_matrix_keys),
 199
 200         .debounce_interval      = 30,
 201 };
 202
 203 /******************************************************************************
 204  * GPIO keys
 205  ******************************************************************************/
 206 static struct gpio_keys_button palmld_pxa_buttons[] = {
 207         {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 208         {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
 209         {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
 210 };
 211
 212 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
 213         .buttons        = palmld_pxa_buttons,
 214         .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
 215 };
 216
 217 static struct platform_device palmld_pxa_keys = {
 218         .name   = "gpio-keys",
 219         .id     = -1,
 220         .dev    = {
 221                 .platform_data = &palmld_pxa_keys_data,
 222         },
 223 };
 224
 225 /******************************************************************************
 226  * Backlight
 227  ******************************************************************************/
 228 static int palmld_backlight_init(struct device *dev)
 229 {
 230         int ret;
 231
 232         ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
 233         if (ret)
 234                 goto err;
 235         ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
 236         if (ret)
 237                 goto err2;
 238         ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
 239         if (ret)
 240                 goto err2;
 241         ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
 242         if (ret)
 243                 goto err3;
 244
 245         return 0;
 246 err3:
 247         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
 248 err2:
 249         gpio_free(GPIO_NR_PALMLD_BL_POWER);
 250 err:
 251         return ret;
 252 }
 253
 254 static int palmld_backlight_notify(struct device *dev, int brightness)
 255 {
 256         gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
 257         gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
 258         return brightness;
 259 }
 260
 261 static void palmld_backlight_exit(struct device *dev)
 262 {
 263         gpio_free(GPIO_NR_PALMLD_BL_POWER);
 264         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
 265 }
 266
 267 static struct platform_pwm_backlight_data palmld_backlight_data = {
 268         .pwm_id         = 0,
 269         .max_brightness = PALMLD_MAX_INTENSITY,
 270         .dft_brightness = PALMLD_MAX_INTENSITY,
 271         .pwm_period_ns  = PALMLD_PERIOD_NS,
 272         .init           = palmld_backlight_init,
 273         .notify         = palmld_backlight_notify,
 274         .exit           = palmld_backlight_exit,
 275 };
 276
 277 static struct platform_device palmld_backlight = {
 278         .name   = "pwm-backlight",
 279         .dev    = {
 280                 .parent         = &pxa27x_device_pwm0.dev,
 281                 .platform_data  = &palmld_backlight_data,
 282         },
 283 };
 284
 285 /******************************************************************************
 286  * IrDA
 287  ******************************************************************************/
 288 static struct pxaficp_platform_data palmld_ficp_platform_data = {
 289         .gpio_pwdown            = GPIO_NR_PALMLD_IR_DISABLE,
 290         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 291 };
 292
 293 /******************************************************************************
 294  * LEDs
 295  ******************************************************************************/
 296 struct gpio_led gpio_leds[] = {
 297 {
 298         .name                   = "palmld:green:led",
 299         .default_trigger        = "none",
 300         .gpio                   = GPIO_NR_PALMLD_LED_GREEN,
 301 }, {
 302         .name                   = "palmld:amber:led",
 303         .default_trigger        = "none",
 304         .gpio                   = GPIO_NR_PALMLD_LED_AMBER,
 305 },
 306 };
 307
 308 static struct gpio_led_platform_data gpio_led_info = {
 309         .leds           = gpio_leds,
 310         .num_leds       = ARRAY_SIZE(gpio_leds),
 311 };
 312
 313 static struct platform_device palmld_leds = {
 314         .name   = "leds-gpio",
 315         .id     = -1,
 316         .dev    = {
 317                 .platform_data  = &gpio_led_info,
 318         }
 319 };
 320
 321 /******************************************************************************
 322  * Power supply
 323  ******************************************************************************/
 324 static int power_supply_init(struct device *dev)
 325 {
 326         int ret;
 327
 328         ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
 329         if (ret)
 330                 goto err1;
 331         ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
 332         if (ret)
 333                 goto err2;
 334
 335         ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
 336         if (ret)
 337                 goto err2;
 338         ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
 339         if (ret)
 340                 goto err3;
 341
 342         return 0;
 343
 344 err3:
 345         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
 346 err2:
 347         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
 348 err1:
 349         return ret;
 350 }
 351
 352 static int palmld_is_ac_online(void)
 353 {
 354         return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
 355 }
 356
 357 static int palmld_is_usb_online(void)
 358 {
 359         return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
 360 }
 361
 362 static void power_supply_exit(struct device *dev)
 363 {
 364         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
 365         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
 366 }
 367
 368 static char *palmld_supplicants[] = {
 369         "main-battery",
 370 };
 371
 372 static struct pda_power_pdata power_supply_info = {
 373         .init            = power_supply_init,
 374         .is_ac_online    = palmld_is_ac_online,
 375         .is_usb_online   = palmld_is_usb_online,
 376         .exit            = power_supply_exit,
 377         .supplied_to     = palmld_supplicants,
 378         .num_supplicants = ARRAY_SIZE(palmld_supplicants),
 379 };
 380
 381 static struct platform_device power_supply = {
 382         .name = "pda-power",
 383         .id   = -1,
 384         .dev  = {
 385                 .platform_data = &power_supply_info,
 386         },
 387 };
 388
 389 /******************************************************************************
 390  * WM97xx battery
 391  ******************************************************************************/
 392 static struct wm97xx_batt_info wm97xx_batt_pdata = {
 393         .batt_aux       = WM97XX_AUX_ID3,
 394         .temp_aux       = WM97XX_AUX_ID2,
 395         .charge_gpio    = -1,
 396         .max_voltage    = PALMLD_BAT_MAX_VOLTAGE,
 397         .min_voltage    = PALMLD_BAT_MIN_VOLTAGE,
 398         .batt_mult      = 1000,
 399         .batt_div       = 414,
 400         .temp_mult      = 1,
 401         .temp_div       = 1,
 402         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
 403         .batt_name      = "main-batt",
 404 };
 405
 406 /******************************************************************************
 407  * aSoC audio
 408  ******************************************************************************/
 409 static struct palm27x_asoc_info palmld_asoc_pdata = {
 410         .jack_gpio      = GPIO_NR_PALMLD_EARPHONE_DETECT,
 411 };
 412
 413 static pxa2xx_audio_ops_t palmld_ac97_pdata = {
 414         .reset_gpio     = 95,
 415 };
 416
 417 static struct platform_device palmld_asoc = {
 418         .name = "palm27x-asoc",
 419         .id   = -1,
 420         .dev  = {
 421                 .platform_data = &palmld_asoc_pdata,
 422         },
 423 };
 424
 425 /******************************************************************************
 426  * HDD
 427  ******************************************************************************/
 428 static struct platform_device palmld_hdd = {
 429         .name   = "pata_palmld",
 430         .id     = -1,
 431 };
 432
 433 /******************************************************************************
 434  * Framebuffer
 435  ******************************************************************************/
 436 static struct pxafb_mode_info palmld_lcd_modes[] = {
 437 {
 438         .pixclock       = 57692,
 439         .xres           = 320,
 440         .yres           = 480,
 441         .bpp            = 16,
 442
 443         .left_margin    = 32,
 444         .right_margin   = 1,
 445         .upper_margin   = 7,
 446         .lower_margin   = 1,
 447
 448         .hsync_len      = 4,
 449         .vsync_len      = 1,
 450 },
 451 };
 452
 453 static struct pxafb_mach_info palmld_lcd_screen = {
 454         .modes          = palmld_lcd_modes,
 455         .num_modes      = ARRAY_SIZE(palmld_lcd_modes),
 456         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 457 };
 458
 459 /******************************************************************************
 460  * Power management - standby
 461  ******************************************************************************/
 462 static void __init palmld_pm_init(void)
 463 {
 464         static u32 resume[] = {
 465                 0xe3a00101,     /* mov  r0,     #0x40000000 */
 466                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
 467                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
 468         };
 469
 470         /* copy the bootloader */
 471         memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume));
 472 }
 473
 474 /******************************************************************************
 475  * Machine init
 476  ******************************************************************************/
 477 static struct platform_device *devices[] __initdata = {
 478 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 479         &palmld_pxa_keys,
 480 #endif
 481         &palmld_backlight,
 482         &palmld_leds,
 483         &power_supply,
 484         &palmld_asoc,
 485         &palmld_hdd,
 486         &palmld_flash,
 487 };
 488
 489 static struct map_desc palmld_io_desc[] __initdata = {
 490 {
 491         .virtual        = PALMLD_IDE_VIRT,
 492         .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
 493         .length         = PALMLD_IDE_SIZE,
 494         .type           = MT_DEVICE
 495 },
 496 {
 497         .virtual        = PALMLD_USB_VIRT,
 498         .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
 499         .length         = PALMLD_USB_SIZE,
 500         .type           = MT_DEVICE
 501 },
 502 };
 503
 504 static void __init palmld_map_io(void)
 505 {
 506         pxa_map_io();
 507         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
 508 }
 509
 510 static void __init palmld_init(void)
 511 {
 512         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
 513
 514         pxa_set_ffuart_info(NULL);
 515         pxa_set_btuart_info(NULL);
 516         pxa_set_stuart_info(NULL);
 517
 518         palmld_pm_init();
 519         set_pxa_fb_info(&palmld_lcd_screen);
 520         pxa_set_mci_info(&palmld_mci_platform_data);
 521         pxa_set_ac97_info(&palmld_ac97_pdata);
 522         pxa_set_ficp_info(&palmld_ficp_platform_data);
 523         pxa_set_keypad_info(&palmld_keypad_platform_data);
 524         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
 525
 526         platform_add_devices(devices, ARRAY_SIZE(devices));
 527 }
 528
 529 MACHINE_START(PALMLD, "Palm LifeDrive")
 530         .phys_io        = PALMLD_PHYS_IO_START,
 531         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 532         .boot_params    = 0xa0000100,
 533         .map_io         = palmld_map_io,
 534         .init_irq       = pxa27x_init_irq,
 535         .timer          = &pxa_timer,
 536         .init_machine   = palmld_init
 537 MACHINE_END