arch/arm/mach-pxa/vpac270.c

   1 /*
   2  * Hardware definitions for Voipac PXA270
   3  *
   4  * Copyright (C) 2010
   5  * Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/irq.h>
  16 #include <linux/gpio_keys.h>
  17 #include <linux/input.h>
  18 #include <linux/gpio.h>
  19 #include <linux/sysdev.h>
  20 #include <linux/usb/gpio_vbus.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/partitions.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/onenand.h>
  25 #include <linux/dm9000.h>
  26 #include <linux/ucb1400.h>
  27 #include <linux/ata_platform.h>
  28
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31
  32 #include <mach/pxa27x.h>
  33 #include <mach/audio.h>
  34 #include <mach/vpac270.h>
  35 #include <mach/mmc.h>
  36 #include <mach/pxafb.h>
  37 #include <mach/ohci.h>
  38 #include <mach/pxa27x-udc.h>
  39 #include <mach/udc.h>
  40
  41 #include <plat/i2c.h>
  42
  43 #include "generic.h"
  44 #include "devices.h"
  45
  46 /******************************************************************************
  47  * Pin configuration
  48  ******************************************************************************/
  49 static unsigned long vpac270_pin_config[] __initdata = {
  50         /* MMC */
  51         GPIO32_MMC_CLK,
  52         GPIO92_MMC_DAT_0,
  53         GPIO109_MMC_DAT_1,
  54         GPIO110_MMC_DAT_2,
  55         GPIO111_MMC_DAT_3,
  56         GPIO112_MMC_CMD,
  57         GPIO53_GPIO,    /* SD detect */
  58         GPIO52_GPIO,    /* SD r/o switch */
  59
  60         /* GPIO KEYS */
  61         GPIO1_GPIO,     /* USER BTN */
  62
  63         /* LEDs */
  64         GPIO15_GPIO,    /* orange led */
  65
  66         /* FFUART */
  67         GPIO34_FFUART_RXD,
  68         GPIO39_FFUART_TXD,
  69         GPIO27_FFUART_RTS,
  70         GPIO100_FFUART_CTS,
  71         GPIO33_FFUART_DSR,
  72         GPIO40_FFUART_DTR,
  73         GPIO10_FFUART_DCD,
  74         GPIO38_FFUART_RI,
  75
  76         /* LCD */
  77         GPIO58_LCD_LDD_0,
  78         GPIO59_LCD_LDD_1,
  79         GPIO60_LCD_LDD_2,
  80         GPIO61_LCD_LDD_3,
  81         GPIO62_LCD_LDD_4,
  82         GPIO63_LCD_LDD_5,
  83         GPIO64_LCD_LDD_6,
  84         GPIO65_LCD_LDD_7,
  85         GPIO66_LCD_LDD_8,
  86         GPIO67_LCD_LDD_9,
  87         GPIO68_LCD_LDD_10,
  88         GPIO69_LCD_LDD_11,
  89         GPIO70_LCD_LDD_12,
  90         GPIO71_LCD_LDD_13,
  91         GPIO72_LCD_LDD_14,
  92         GPIO73_LCD_LDD_15,
  93         GPIO86_LCD_LDD_16,
  94         GPIO87_LCD_LDD_17,
  95         GPIO74_LCD_FCLK,
  96         GPIO75_LCD_LCLK,
  97         GPIO76_LCD_PCLK,
  98         GPIO77_LCD_BIAS,
  99
 100         /* PCMCIA */
 101         GPIO48_nPOE,
 102         GPIO49_nPWE,
 103         GPIO50_nPIOR,
 104         GPIO51_nPIOW,
 105         GPIO85_nPCE_1,
 106         GPIO54_nPCE_2,
 107         GPIO55_nPREG,
 108         GPIO57_nIOIS16,
 109         GPIO56_nPWAIT,
 110         GPIO104_PSKTSEL,
 111         GPIO84_GPIO,    /* PCMCIA CD */
 112         GPIO35_GPIO,    /* PCMCIA RDY */
 113         GPIO107_GPIO,   /* PCMCIA PPEN */
 114         GPIO11_GPIO,    /* PCMCIA RESET */
 115         GPIO17_GPIO,    /* CF CD */
 116         GPIO12_GPIO,    /* CF RDY */
 117         GPIO16_GPIO,    /* CF RESET */
 118
 119         /* UHC */
 120         GPIO88_USBH1_PWR,
 121         GPIO89_USBH1_PEN,
 122         GPIO119_USBH2_PWR,
 123         GPIO120_USBH2_PEN,
 124
 125         /* UDC */
 126         GPIO41_GPIO,
 127
 128         /* Ethernet */
 129         GPIO114_GPIO,   /* IRQ */
 130
 131         /* AC97 */
 132         GPIO28_AC97_BITCLK,
 133         GPIO29_AC97_SDATA_IN_0,
 134         GPIO30_AC97_SDATA_OUT,
 135         GPIO31_AC97_SYNC,
 136         GPIO95_AC97_nRESET,
 137         GPIO98_AC97_SYSCLK,
 138         GPIO113_GPIO,   /* TS IRQ */
 139
 140         /* I2C */
 141         GPIO117_I2C_SCL,
 142         GPIO118_I2C_SDA,
 143
 144         /* IDE */
 145         GPIO36_GPIO,    /* IDE IRQ */
 146         GPIO80_DREQ_1,
 147 };
 148
 149 /******************************************************************************
 150  * NOR Flash
 151  ******************************************************************************/
 152 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 153 static struct mtd_partition vpac270_nor_partitions[] = {
 154         {
 155                 .name           = "Flash",
 156                 .offset         = 0x00000000,
 157                 .size           = MTDPART_SIZ_FULL,
 158         }
 159 };
 160
 161 static struct physmap_flash_data vpac270_flash_data[] = {
 162         {
 163                 .width          = 2,    /* bankwidth in bytes */
 164                 .parts          = vpac270_nor_partitions,
 165                 .nr_parts       = ARRAY_SIZE(vpac270_nor_partitions)
 166         }
 167 };
 168
 169 static struct resource vpac270_flash_resource = {
 170         .start  = PXA_CS0_PHYS,
 171         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 172         .flags  = IORESOURCE_MEM,
 173 };
 174
 175 static struct platform_device vpac270_flash = {
 176         .name           = "physmap-flash",
 177         .id             = 0,
 178         .resource       = &vpac270_flash_resource,
 179         .num_resources  = 1,
 180         .dev            = {
 181                 .platform_data = vpac270_flash_data,
 182         },
 183 };
 184 static void __init vpac270_nor_init(void)
 185 {
 186         platform_device_register(&vpac270_flash);
 187 }
 188 #else
 189 static inline void vpac270_nor_init(void) {}
 190 #endif
 191
 192 /******************************************************************************
 193  * OneNAND Flash
 194  ******************************************************************************/
 195 #if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
 196 static struct mtd_partition vpac270_onenand_partitions[] = {
 197         {
 198                 .name           = "Flash",
 199                 .offset         = 0x00000000,
 200                 .size           = MTDPART_SIZ_FULL,
 201         }
 202 };
 203
 204 static struct onenand_platform_data vpac270_onenand_info = {
 205         .parts          = vpac270_onenand_partitions,
 206         .nr_parts       = ARRAY_SIZE(vpac270_onenand_partitions),
 207 };
 208
 209 static struct resource vpac270_onenand_resources[] = {
 210         [0] = {
 211                 .start  = PXA_CS0_PHYS,
 212                 .end    = PXA_CS0_PHYS + SZ_1M,
 213                 .flags  = IORESOURCE_MEM,
 214         },
 215 };
 216
 217 static struct platform_device vpac270_onenand = {
 218         .name           = "onenand-flash",
 219         .id             = -1,
 220         .resource       = vpac270_onenand_resources,
 221         .num_resources  = ARRAY_SIZE(vpac270_onenand_resources),
 222         .dev            = {
 223                 .platform_data  = &vpac270_onenand_info,
 224         },
 225 };
 226
 227 static void __init vpac270_onenand_init(void)
 228 {
 229         platform_device_register(&vpac270_onenand);
 230 }
 231 #else
 232 static void __init vpac270_onenand_init(void) {}
 233 #endif
 234
 235 /******************************************************************************
 236  * SD/MMC card controller
 237  ******************************************************************************/
 238 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 239 static struct pxamci_platform_data vpac270_mci_platform_data = {
 240         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 241         .gpio_card_detect       = GPIO53_VPAC270_SD_DETECT_N,
 242         .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
 243         .detect_delay_ms        = 200,
 244 };
 245
 246 static void __init vpac270_mmc_init(void)
 247 {
 248         pxa_set_mci_info(&vpac270_mci_platform_data);
 249 }
 250 #else
 251 static inline void vpac270_mmc_init(void) {}
 252 #endif
 253
 254 /******************************************************************************
 255  * GPIO keys
 256  ******************************************************************************/
 257 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 258 static struct gpio_keys_button vpac270_pxa_buttons[] = {
 259         {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
 260 };
 261
 262 static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
 263         .buttons        = vpac270_pxa_buttons,
 264         .nbuttons       = ARRAY_SIZE(vpac270_pxa_buttons),
 265 };
 266
 267 static struct platform_device vpac270_pxa_keys = {
 268         .name   = "gpio-keys",
 269         .id     = -1,
 270         .dev    = {
 271                 .platform_data = &vpac270_pxa_keys_data,
 272         },
 273 };
 274
 275 static void __init vpac270_keys_init(void)
 276 {
 277         platform_device_register(&vpac270_pxa_keys);
 278 }
 279 #else
 280 static inline void vpac270_keys_init(void) {}
 281 #endif
 282
 283 /******************************************************************************
 284  * LED
 285  ******************************************************************************/
 286 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 287 struct gpio_led vpac270_gpio_leds[] = {
 288 {
 289         .name                   = "vpac270:orange:user",
 290         .default_trigger        = "none",
 291         .gpio                   = GPIO15_VPAC270_LED_ORANGE,
 292         .active_low             = 1,
 293 }
 294 };
 295
 296 static struct gpio_led_platform_data vpac270_gpio_led_info = {
 297         .leds           = vpac270_gpio_leds,
 298         .num_leds       = ARRAY_SIZE(vpac270_gpio_leds),
 299 };
 300
 301 static struct platform_device vpac270_leds = {
 302         .name   = "leds-gpio",
 303         .id     = -1,
 304         .dev    = {
 305                 .platform_data  = &vpac270_gpio_led_info,
 306         }
 307 };
 308
 309 static void __init vpac270_leds_init(void)
 310 {
 311         platform_device_register(&vpac270_leds);
 312 }
 313 #else
 314 static inline void vpac270_leds_init(void) {}
 315 #endif
 316
 317 /******************************************************************************
 318  * USB Host
 319  ******************************************************************************/
 320 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 321 static int vpac270_ohci_init(struct device *dev)
 322 {
 323         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 324         return 0;
 325 }
 326
 327 static struct pxaohci_platform_data vpac270_ohci_info = {
 328         .port_mode      = PMM_PERPORT_MODE,
 329         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
 330                         POWER_CONTROL_LOW | POWER_SENSE_LOW,
 331         .init           = vpac270_ohci_init,
 332 };
 333
 334 static void __init vpac270_uhc_init(void)
 335 {
 336         pxa_set_ohci_info(&vpac270_ohci_info);
 337 }
 338 #else
 339 static inline void vpac270_uhc_init(void) {}
 340 #endif
 341
 342 /******************************************************************************
 343  * USB Gadget
 344  ******************************************************************************/
 345 #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
 346 static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
 347         .gpio_vbus              = GPIO41_VPAC270_UDC_DETECT,
 348         .gpio_pullup            = -1,
 349 };
 350
 351 static struct platform_device vpac270_gpio_vbus = {
 352         .name   = "gpio-vbus",
 353         .id     = -1,
 354         .dev    = {
 355                 .platform_data  = &vpac270_gpio_vbus_info,
 356         },
 357 };
 358
 359 static void vpac270_udc_command(int cmd)
 360 {
 361         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 362                 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
 363         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 364                 UP2OCR = UP2OCR_HXOE;
 365 }
 366
 367 static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
 368         .udc_command            = vpac270_udc_command,
 369         .gpio_pullup            = -1,
 370 };
 371
 372 static void __init vpac270_udc_init(void)
 373 {
 374         pxa_set_udc_info(&vpac270_udc_info);
 375         platform_device_register(&vpac270_gpio_vbus);
 376 }
 377 #else
 378 static inline void vpac270_udc_init(void) {}
 379 #endif
 380
 381 /******************************************************************************
 382  * Ethernet
 383  ******************************************************************************/
 384 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 385 static struct resource vpac270_dm9000_resources[] = {
 386         [0] = {
 387                 .start  = PXA_CS2_PHYS + 0x300,
 388                 .end    = PXA_CS2_PHYS + 0x303,
 389                 .flags  = IORESOURCE_MEM,
 390         },
 391         [1] = {
 392                 .start  = PXA_CS2_PHYS + 0x304,
 393                 .end    = PXA_CS2_PHYS + 0x343,
 394                 .flags  = IORESOURCE_MEM,
 395         },
 396         [2] = {
 397                 .start  = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 398                 .end    = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 399                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 400         },
 401 };
 402
 403 static struct dm9000_plat_data vpac270_dm9000_platdata = {
 404         .flags          = DM9000_PLATF_32BITONLY,
 405 };
 406
 407 static struct platform_device vpac270_dm9000_device = {
 408         .name           = "dm9000",
 409         .id             = -1,
 410         .num_resources  = ARRAY_SIZE(vpac270_dm9000_resources),
 411         .resource       = vpac270_dm9000_resources,
 412         .dev            = {
 413                 .platform_data = &vpac270_dm9000_platdata,
 414         }
 415 };
 416
 417 static void __init vpac270_eth_init(void)
 418 {
 419         platform_device_register(&vpac270_dm9000_device);
 420 }
 421 #else
 422 static inline void vpac270_eth_init(void) {}
 423 #endif
 424
 425 /******************************************************************************
 426  * Audio and Touchscreen
 427  ******************************************************************************/
 428 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 429         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 430 static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
 431         .reset_gpio     = 95,
 432 };
 433
 434 static struct ucb1400_pdata vpac270_ucb1400_pdata = {
 435         .irq            = IRQ_GPIO(GPIO113_VPAC270_TS_IRQ),
 436 };
 437
 438 static struct platform_device vpac270_ucb1400_device = {
 439         .name           = "ucb1400_core",
 440         .id             = -1,
 441         .dev            = {
 442                 .platform_data = &vpac270_ucb1400_pdata,
 443         },
 444 };
 445
 446 static void __init vpac270_ts_init(void)
 447 {
 448         pxa_set_ac97_info(&vpac270_ac97_pdata);
 449         platform_device_register(&vpac270_ucb1400_device);
 450 }
 451 #else
 452 static inline void vpac270_ts_init(void) {}
 453 #endif
 454
 455 /******************************************************************************
 456  * RTC
 457  ******************************************************************************/
 458 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
 459 static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
 460         {
 461                 I2C_BOARD_INFO("ds1339", 0x68),
 462         },
 463 };
 464
 465 static void __init vpac270_rtc_init(void)
 466 {
 467         pxa_set_i2c_info(NULL);
 468         i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
 469 }
 470 #else
 471 static inline void vpac270_rtc_init(void) {}
 472 #endif
 473
 474 /******************************************************************************
 475  * Framebuffer
 476  ******************************************************************************/
 477 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 478 static struct pxafb_mode_info vpac270_lcd_modes[] = {
 479 {
 480         .pixclock       = 57692,
 481         .xres           = 640,
 482         .yres           = 480,
 483         .bpp            = 32,
 484         .depth          = 18,
 485
 486         .left_margin    = 144,
 487         .right_margin   = 32,
 488         .upper_margin   = 13,
 489         .lower_margin   = 30,
 490
 491         .hsync_len      = 32,
 492         .vsync_len      = 2,
 493
 494         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 495 },
 496 };
 497
 498 static struct pxafb_mach_info vpac270_lcd_screen = {
 499         .modes          = vpac270_lcd_modes,
 500         .num_modes      = ARRAY_SIZE(vpac270_lcd_modes),
 501         .lcd_conn       = LCD_COLOR_TFT_18BPP,
 502 };
 503
 504 static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
 505 {
 506         gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
 507 }
 508
 509 static void __init vpac270_lcd_init(void)
 510 {
 511         int ret;
 512
 513         ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
 514         if (ret) {
 515                 pr_err("Requesting BKL-ON GPIO failed!\n");
 516                 goto err;
 517         }
 518
 519         ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
 520         if (ret) {
 521                 pr_err("Setting BKL-ON GPIO direction failed!\n");
 522                 goto err2;
 523         }
 524
 525         vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
 526         set_pxa_fb_info(&vpac270_lcd_screen);
 527         return;
 528
 529 err2:
 530         gpio_free(GPIO81_VPAC270_BKL_ON);
 531 err:
 532         return;
 533 }
 534 #else
 535 static inline void vpac270_lcd_init(void) {}
 536 #endif
 537
 538 /******************************************************************************
 539  * PATA IDE
 540  ******************************************************************************/
 541 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 542 static struct pata_platform_info vpac270_pata_pdata = {
 543         .ioport_shift   = 1,
 544         .irq_flags      = IRQF_TRIGGER_RISING,
 545 };
 546
 547 static struct resource vpac270_ide_resources[] = {
 548         [0] = { /* I/O Base address */
 549                .start   = PXA_CS3_PHYS + 0x120,
 550                .end     = PXA_CS3_PHYS + 0x13f,
 551                .flags   = IORESOURCE_MEM
 552         },
 553         [1] = { /* CTL Base address */
 554                .start   = PXA_CS3_PHYS + 0x15c,
 555                .end     = PXA_CS3_PHYS + 0x15f,
 556                .flags   = IORESOURCE_MEM
 557         },
 558         [2] = { /* IDE IRQ pin */
 559                .start   = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
 560                .end     = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
 561                .flags   = IORESOURCE_IRQ
 562         }
 563 };
 564
 565 static struct platform_device vpac270_ide_device = {
 566         .name           = "pata_platform",
 567         .num_resources  = ARRAY_SIZE(vpac270_ide_resources),
 568         .resource       = vpac270_ide_resources,
 569         .dev            = {
 570                 .platform_data  = &vpac270_pata_pdata,
 571         }
 572 };
 573
 574 static void __init vpac270_ide_init(void)
 575 {
 576         platform_device_register(&vpac270_ide_device);
 577 }
 578 #else
 579 static inline void vpac270_ide_init(void) {}
 580 #endif
 581
 582 /******************************************************************************
 583  * Machine init
 584  ******************************************************************************/
 585 static void __init vpac270_init(void)
 586 {
 587         pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
 588
 589         pxa_set_ffuart_info(NULL);
 590         pxa_set_btuart_info(NULL);
 591         pxa_set_stuart_info(NULL);
 592
 593         vpac270_lcd_init();
 594         vpac270_mmc_init();
 595         vpac270_nor_init();
 596         vpac270_onenand_init();
 597         vpac270_leds_init();
 598         vpac270_keys_init();
 599         vpac270_uhc_init();
 600         vpac270_udc_init();
 601         vpac270_eth_init();
 602         vpac270_ts_init();
 603         vpac270_rtc_init();
 604         vpac270_ide_init();
 605 }
 606
 607 MACHINE_START(VPAC270, "Voipac PXA270")
 608         .phys_io        = 0x40000000,
 609         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 610         .boot_params    = 0xa0000100,
 611         .map_io         = pxa_map_io,
 612         .init_irq       = pxa27x_init_irq,
 613         .timer          = &pxa_timer,
 614         .init_machine   = vpac270_init
 615 MACHINE_END