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 #include <mach/pata_pxa.h>
  41
  42 #include <plat/i2c.h>
  43
  44 #include "generic.h"
  45 #include "devices.h"
  46
  47 /******************************************************************************
  48  * Pin configuration
  49  ******************************************************************************/
  50 static unsigned long vpac270_pin_config[] __initdata = {
  51         /* MMC */
  52         GPIO32_MMC_CLK,
  53         GPIO92_MMC_DAT_0,
  54         GPIO109_MMC_DAT_1,
  55         GPIO110_MMC_DAT_2,
  56         GPIO111_MMC_DAT_3,
  57         GPIO112_MMC_CMD,
  58         GPIO53_GPIO,    /* SD detect */
  59         GPIO52_GPIO,    /* SD r/o switch */
  60
  61         /* GPIO KEYS */
  62         GPIO1_GPIO,     /* USER BTN */
  63
  64         /* LEDs */
  65         GPIO15_GPIO,    /* orange led */
  66
  67         /* FFUART */
  68         GPIO34_FFUART_RXD,
  69         GPIO39_FFUART_TXD,
  70         GPIO27_FFUART_RTS,
  71         GPIO100_FFUART_CTS,
  72         GPIO33_FFUART_DSR,
  73         GPIO40_FFUART_DTR,
  74         GPIO10_FFUART_DCD,
  75         GPIO38_FFUART_RI,
  76
  77         /* LCD */
  78         GPIO58_LCD_LDD_0,
  79         GPIO59_LCD_LDD_1,
  80         GPIO60_LCD_LDD_2,
  81         GPIO61_LCD_LDD_3,
  82         GPIO62_LCD_LDD_4,
  83         GPIO63_LCD_LDD_5,
  84         GPIO64_LCD_LDD_6,
  85         GPIO65_LCD_LDD_7,
  86         GPIO66_LCD_LDD_8,
  87         GPIO67_LCD_LDD_9,
  88         GPIO68_LCD_LDD_10,
  89         GPIO69_LCD_LDD_11,
  90         GPIO70_LCD_LDD_12,
  91         GPIO71_LCD_LDD_13,
  92         GPIO72_LCD_LDD_14,
  93         GPIO73_LCD_LDD_15,
  94         GPIO86_LCD_LDD_16,
  95         GPIO87_LCD_LDD_17,
  96         GPIO74_LCD_FCLK,
  97         GPIO75_LCD_LCLK,
  98         GPIO76_LCD_PCLK,
  99         GPIO77_LCD_BIAS,
 100
 101         /* PCMCIA */
 102         GPIO48_nPOE,
 103         GPIO49_nPWE,
 104         GPIO50_nPIOR,
 105         GPIO51_nPIOW,
 106         GPIO85_nPCE_1,
 107         GPIO54_nPCE_2,
 108         GPIO55_nPREG,
 109         GPIO57_nIOIS16,
 110         GPIO56_nPWAIT,
 111         GPIO104_PSKTSEL,
 112         GPIO84_GPIO,    /* PCMCIA CD */
 113         GPIO35_GPIO,    /* PCMCIA RDY */
 114         GPIO107_GPIO,   /* PCMCIA PPEN */
 115         GPIO11_GPIO,    /* PCMCIA RESET */
 116         GPIO17_GPIO,    /* CF CD */
 117         GPIO12_GPIO,    /* CF RDY */
 118         GPIO16_GPIO,    /* CF RESET */
 119
 120         /* UHC */
 121         GPIO88_USBH1_PWR,
 122         GPIO89_USBH1_PEN,
 123         GPIO119_USBH2_PWR,
 124         GPIO120_USBH2_PEN,
 125
 126         /* UDC */
 127         GPIO41_GPIO,
 128
 129         /* Ethernet */
 130         GPIO114_GPIO,   /* IRQ */
 131
 132         /* AC97 */
 133         GPIO28_AC97_BITCLK,
 134         GPIO29_AC97_SDATA_IN_0,
 135         GPIO30_AC97_SDATA_OUT,
 136         GPIO31_AC97_SYNC,
 137         GPIO95_AC97_nRESET,
 138         GPIO98_AC97_SYSCLK,
 139         GPIO113_GPIO,   /* TS IRQ */
 140
 141         /* I2C */
 142         GPIO117_I2C_SCL,
 143         GPIO118_I2C_SDA,
 144
 145         /* IDE */
 146         GPIO36_GPIO,    /* IDE IRQ */
 147         GPIO80_DREQ_1,
 148 };
 149
 150 /******************************************************************************
 151  * NOR Flash
 152  ******************************************************************************/
 153 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 154 static struct mtd_partition vpac270_nor_partitions[] = {
 155         {
 156                 .name           = "Flash",
 157                 .offset         = 0x00000000,
 158                 .size           = MTDPART_SIZ_FULL,
 159         }
 160 };
 161
 162 static struct physmap_flash_data vpac270_flash_data[] = {
 163         {
 164                 .width          = 2,    /* bankwidth in bytes */
 165                 .parts          = vpac270_nor_partitions,
 166                 .nr_parts       = ARRAY_SIZE(vpac270_nor_partitions)
 167         }
 168 };
 169
 170 static struct resource vpac270_flash_resource = {
 171         .start  = PXA_CS0_PHYS,
 172         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 173         .flags  = IORESOURCE_MEM,
 174 };
 175
 176 static struct platform_device vpac270_flash = {
 177         .name           = "physmap-flash",
 178         .id             = 0,
 179         .resource       = &vpac270_flash_resource,
 180         .num_resources  = 1,
 181         .dev            = {
 182                 .platform_data = vpac270_flash_data,
 183         },
 184 };
 185 static void __init vpac270_nor_init(void)
 186 {
 187         platform_device_register(&vpac270_flash);
 188 }
 189 #else
 190 static inline void vpac270_nor_init(void) {}
 191 #endif
 192
 193 /******************************************************************************
 194  * OneNAND Flash
 195  ******************************************************************************/
 196 #if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
 197 static struct mtd_partition vpac270_onenand_partitions[] = {
 198         {
 199                 .name           = "Flash",
 200                 .offset         = 0x00000000,
 201                 .size           = MTDPART_SIZ_FULL,
 202         }
 203 };
 204
 205 static struct onenand_platform_data vpac270_onenand_info = {
 206         .parts          = vpac270_onenand_partitions,
 207         .nr_parts       = ARRAY_SIZE(vpac270_onenand_partitions),
 208 };
 209
 210 static struct resource vpac270_onenand_resources[] = {
 211         [0] = {
 212                 .start  = PXA_CS0_PHYS,
 213                 .end    = PXA_CS0_PHYS + SZ_1M,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216 };
 217
 218 static struct platform_device vpac270_onenand = {
 219         .name           = "onenand-flash",
 220         .id             = -1,
 221         .resource       = vpac270_onenand_resources,
 222         .num_resources  = ARRAY_SIZE(vpac270_onenand_resources),
 223         .dev            = {
 224                 .platform_data  = &vpac270_onenand_info,
 225         },
 226 };
 227
 228 static void __init vpac270_onenand_init(void)
 229 {
 230         platform_device_register(&vpac270_onenand);
 231 }
 232 #else
 233 static void __init vpac270_onenand_init(void) {}
 234 #endif
 235
 236 /******************************************************************************
 237  * SD/MMC card controller
 238  ******************************************************************************/
 239 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 240 static struct pxamci_platform_data vpac270_mci_platform_data = {
 241         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 242         .gpio_card_detect       = GPIO53_VPAC270_SD_DETECT_N,
 243         .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
 244         .detect_delay_ms        = 200,
 245 };
 246
 247 static void __init vpac270_mmc_init(void)
 248 {
 249         pxa_set_mci_info(&vpac270_mci_platform_data);
 250 }
 251 #else
 252 static inline void vpac270_mmc_init(void) {}
 253 #endif
 254
 255 /******************************************************************************
 256  * GPIO keys
 257  ******************************************************************************/
 258 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 259 static struct gpio_keys_button vpac270_pxa_buttons[] = {
 260         {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
 261 };
 262
 263 static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
 264         .buttons        = vpac270_pxa_buttons,
 265         .nbuttons       = ARRAY_SIZE(vpac270_pxa_buttons),
 266 };
 267
 268 static struct platform_device vpac270_pxa_keys = {
 269         .name   = "gpio-keys",
 270         .id     = -1,
 271         .dev    = {
 272                 .platform_data = &vpac270_pxa_keys_data,
 273         },
 274 };
 275
 276 static void __init vpac270_keys_init(void)
 277 {
 278         platform_device_register(&vpac270_pxa_keys);
 279 }
 280 #else
 281 static inline void vpac270_keys_init(void) {}
 282 #endif
 283
 284 /******************************************************************************
 285  * LED
 286  ******************************************************************************/
 287 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 288 struct gpio_led vpac270_gpio_leds[] = {
 289 {
 290         .name                   = "vpac270:orange:user",
 291         .default_trigger        = "none",
 292         .gpio                   = GPIO15_VPAC270_LED_ORANGE,
 293         .active_low             = 1,
 294 }
 295 };
 296
 297 static struct gpio_led_platform_data vpac270_gpio_led_info = {
 298         .leds           = vpac270_gpio_leds,
 299         .num_leds       = ARRAY_SIZE(vpac270_gpio_leds),
 300 };
 301
 302 static struct platform_device vpac270_leds = {
 303         .name   = "leds-gpio",
 304         .id     = -1,
 305         .dev    = {
 306                 .platform_data  = &vpac270_gpio_led_info,
 307         }
 308 };
 309
 310 static void __init vpac270_leds_init(void)
 311 {
 312         platform_device_register(&vpac270_leds);
 313 }
 314 #else
 315 static inline void vpac270_leds_init(void) {}
 316 #endif
 317
 318 /******************************************************************************
 319  * USB Host
 320  ******************************************************************************/
 321 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 322 static int vpac270_ohci_init(struct device *dev)
 323 {
 324         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 325         return 0;
 326 }
 327
 328 static struct pxaohci_platform_data vpac270_ohci_info = {
 329         .port_mode      = PMM_PERPORT_MODE,
 330         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
 331                         POWER_CONTROL_LOW | POWER_SENSE_LOW,
 332         .init           = vpac270_ohci_init,
 333 };
 334
 335 static void __init vpac270_uhc_init(void)
 336 {
 337         pxa_set_ohci_info(&vpac270_ohci_info);
 338 }
 339 #else
 340 static inline void vpac270_uhc_init(void) {}
 341 #endif
 342
 343 /******************************************************************************
 344  * USB Gadget
 345  ******************************************************************************/
 346 #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
 347 static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
 348         .gpio_vbus              = GPIO41_VPAC270_UDC_DETECT,
 349         .gpio_pullup            = -1,
 350 };
 351
 352 static struct platform_device vpac270_gpio_vbus = {
 353         .name   = "gpio-vbus",
 354         .id     = -1,
 355         .dev    = {
 356                 .platform_data  = &vpac270_gpio_vbus_info,
 357         },
 358 };
 359
 360 static void vpac270_udc_command(int cmd)
 361 {
 362         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 363                 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
 364         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 365                 UP2OCR = UP2OCR_HXOE;
 366 }
 367
 368 static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
 369         .udc_command            = vpac270_udc_command,
 370         .gpio_pullup            = -1,
 371 };
 372
 373 static void __init vpac270_udc_init(void)
 374 {
 375         pxa_set_udc_info(&vpac270_udc_info);
 376         platform_device_register(&vpac270_gpio_vbus);
 377 }
 378 #else
 379 static inline void vpac270_udc_init(void) {}
 380 #endif
 381
 382 /******************************************************************************
 383  * Ethernet
 384  ******************************************************************************/
 385 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 386 static struct resource vpac270_dm9000_resources[] = {
 387         [0] = {
 388                 .start  = PXA_CS2_PHYS + 0x300,
 389                 .end    = PXA_CS2_PHYS + 0x303,
 390                 .flags  = IORESOURCE_MEM,
 391         },
 392         [1] = {
 393                 .start  = PXA_CS2_PHYS + 0x304,
 394                 .end    = PXA_CS2_PHYS + 0x343,
 395                 .flags  = IORESOURCE_MEM,
 396         },
 397         [2] = {
 398                 .start  = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 399                 .end    = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 400                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 401         },
 402 };
 403
 404 static struct dm9000_plat_data vpac270_dm9000_platdata = {
 405         .flags          = DM9000_PLATF_32BITONLY,
 406 };
 407
 408 static struct platform_device vpac270_dm9000_device = {
 409         .name           = "dm9000",
 410         .id             = -1,
 411         .num_resources  = ARRAY_SIZE(vpac270_dm9000_resources),
 412         .resource       = vpac270_dm9000_resources,
 413         .dev            = {
 414                 .platform_data = &vpac270_dm9000_platdata,
 415         }
 416 };
 417
 418 static void __init vpac270_eth_init(void)
 419 {
 420         platform_device_register(&vpac270_dm9000_device);
 421 }
 422 #else
 423 static inline void vpac270_eth_init(void) {}
 424 #endif
 425
 426 /******************************************************************************
 427  * Audio and Touchscreen
 428  ******************************************************************************/
 429 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 430         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 431 static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
 432         .reset_gpio     = 95,
 433 };
 434
 435 static struct ucb1400_pdata vpac270_ucb1400_pdata = {
 436         .irq            = IRQ_GPIO(GPIO113_VPAC270_TS_IRQ),
 437 };
 438
 439 static struct platform_device vpac270_ucb1400_device = {
 440         .name           = "ucb1400_core",
 441         .id             = -1,
 442         .dev            = {
 443                 .platform_data = &vpac270_ucb1400_pdata,
 444         },
 445 };
 446
 447 static void __init vpac270_ts_init(void)
 448 {
 449         pxa_set_ac97_info(&vpac270_ac97_pdata);
 450         platform_device_register(&vpac270_ucb1400_device);
 451 }
 452 #else
 453 static inline void vpac270_ts_init(void) {}
 454 #endif
 455
 456 /******************************************************************************
 457  * RTC
 458  ******************************************************************************/
 459 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
 460 static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
 461         {
 462                 I2C_BOARD_INFO("ds1339", 0x68),
 463         },
 464 };
 465
 466 static void __init vpac270_rtc_init(void)
 467 {
 468         pxa_set_i2c_info(NULL);
 469         i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
 470 }
 471 #else
 472 static inline void vpac270_rtc_init(void) {}
 473 #endif
 474
 475 /******************************************************************************
 476  * Framebuffer
 477  ******************************************************************************/
 478 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 479 static struct pxafb_mode_info vpac270_lcd_modes[] = {
 480 {
 481         .pixclock       = 57692,
 482         .xres           = 640,
 483         .yres           = 480,
 484         .bpp            = 32,
 485         .depth          = 18,
 486
 487         .left_margin    = 144,
 488         .right_margin   = 32,
 489         .upper_margin   = 13,
 490         .lower_margin   = 30,
 491
 492         .hsync_len      = 32,
 493         .vsync_len      = 2,
 494
 495         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 496 },
 497 };
 498
 499 static struct pxafb_mach_info vpac270_lcd_screen = {
 500         .modes          = vpac270_lcd_modes,
 501         .num_modes      = ARRAY_SIZE(vpac270_lcd_modes),
 502         .lcd_conn       = LCD_COLOR_TFT_18BPP,
 503 };
 504
 505 static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
 506 {
 507         gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
 508 }
 509
 510 static void __init vpac270_lcd_init(void)
 511 {
 512         int ret;
 513
 514         ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
 515         if (ret) {
 516                 pr_err("Requesting BKL-ON GPIO failed!\n");
 517                 goto err;
 518         }
 519
 520         ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
 521         if (ret) {
 522                 pr_err("Setting BKL-ON GPIO direction failed!\n");
 523                 goto err2;
 524         }
 525
 526         vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
 527         set_pxa_fb_info(&vpac270_lcd_screen);
 528         return;
 529
 530 err2:
 531         gpio_free(GPIO81_VPAC270_BKL_ON);
 532 err:
 533         return;
 534 }
 535 #else
 536 static inline void vpac270_lcd_init(void) {}
 537 #endif
 538
 539 /******************************************************************************
 540  * PATA IDE
 541  ******************************************************************************/
 542 #if defined(CONFIG_PATA_PXA) || defined(CONFIG_PATA_PXA_MODULE)
 543 static struct pata_pxa_pdata vpac270_pata_pdata = {
 544         .reg_shift      = 1,
 545         .dma_dreq       = 1,
 546         .irq_flags      = IRQF_TRIGGER_RISING,
 547 };
 548
 549 static struct resource vpac270_ide_resources[] = {
 550         [0] = { /* I/O Base address */
 551                .start   = PXA_CS3_PHYS + 0x120,
 552                .end     = PXA_CS3_PHYS + 0x13f,
 553                .flags   = IORESOURCE_MEM
 554         },
 555         [1] = { /* CTL Base address */
 556                .start   = PXA_CS3_PHYS + 0x15c,
 557                .end     = PXA_CS3_PHYS + 0x15f,
 558                .flags   = IORESOURCE_MEM
 559         },
 560         [2] = { /* DMA Base address */
 561                .start   = PXA_CS3_PHYS + 0x20,
 562                .end     = PXA_CS3_PHYS + 0x2f,
 563                .flags   = IORESOURCE_DMA
 564         },
 565         [3] = { /* IDE IRQ pin */
 566                .start   = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
 567                .end     = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
 568                .flags   = IORESOURCE_IRQ
 569         }
 570 };
 571
 572 static struct platform_device vpac270_ide_device = {
 573         .name           = "pata_pxa",
 574         .num_resources  = ARRAY_SIZE(vpac270_ide_resources),
 575         .resource       = vpac270_ide_resources,
 576         .dev            = {
 577                 .platform_data  = &vpac270_pata_pdata,
 578                 .coherent_dma_mask      = 0xffffffff,
 579         }
 580 };
 581
 582 static void __init vpac270_ide_init(void)
 583 {
 584         platform_device_register(&vpac270_ide_device);
 585 }
 586 #else
 587 static inline void vpac270_ide_init(void) {}
 588 #endif
 589
 590 /******************************************************************************
 591  * Machine init
 592  ******************************************************************************/
 593 static void __init vpac270_init(void)
 594 {
 595         pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
 596
 597         pxa_set_ffuart_info(NULL);
 598         pxa_set_btuart_info(NULL);
 599         pxa_set_stuart_info(NULL);
 600
 601         vpac270_lcd_init();
 602         vpac270_mmc_init();
 603         vpac270_nor_init();
 604         vpac270_onenand_init();
 605         vpac270_leds_init();
 606         vpac270_keys_init();
 607         vpac270_uhc_init();
 608         vpac270_udc_init();
 609         vpac270_eth_init();
 610         vpac270_ts_init();
 611         vpac270_rtc_init();
 612         vpac270_ide_init();
 613 }
 614
 615 MACHINE_START(VPAC270, "Voipac PXA270")
 616         .phys_io        = 0x40000000,
 617         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 618         .boot_params    = 0xa0000100,
 619         .map_io         = pxa_map_io,
 620         .init_irq       = pxa27x_init_irq,
 621         .timer          = &pxa_timer,
 622         .init_machine   = vpac270_init
 623 MACHINE_END