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/dm9000.h>
  25 #include <linux/ucb1400.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29
  30 #include <mach/pxa27x.h>
  31 #include <mach/audio.h>
  32 #include <mach/vpac270.h>
  33 #include <mach/mmc.h>
  34 #include <mach/pxafb.h>
  35 #include <mach/ohci.h>
  36 #include <mach/pxa27x-udc.h>
  37 #include <mach/udc.h>
  38
  39 #include <plat/i2c.h>
  40
  41 #include "generic.h"
  42 #include "devices.h"
  43
  44 /******************************************************************************
  45  * Pin configuration
  46  ******************************************************************************/
  47 static unsigned long vpac270_pin_config[] __initdata = {
  48         /* MMC */
  49         GPIO32_MMC_CLK,
  50         GPIO92_MMC_DAT_0,
  51         GPIO109_MMC_DAT_1,
  52         GPIO110_MMC_DAT_2,
  53         GPIO111_MMC_DAT_3,
  54         GPIO112_MMC_CMD,
  55         GPIO53_GPIO,    /* SD detect */
  56         GPIO52_GPIO,    /* SD r/o switch */
  57
  58         /* GPIO KEYS */
  59         GPIO1_GPIO,     /* USER BTN */
  60
  61         /* LEDs */
  62         GPIO15_GPIO,    /* orange led */
  63
  64         /* FFUART */
  65         GPIO34_FFUART_RXD,
  66         GPIO39_FFUART_TXD,
  67         GPIO27_FFUART_RTS,
  68         GPIO100_FFUART_CTS,
  69         GPIO33_FFUART_DSR,
  70         GPIO40_FFUART_DTR,
  71         GPIO10_FFUART_DCD,
  72         GPIO38_FFUART_RI,
  73
  74         /* LCD */
  75         GPIO58_LCD_LDD_0,
  76         GPIO59_LCD_LDD_1,
  77         GPIO60_LCD_LDD_2,
  78         GPIO61_LCD_LDD_3,
  79         GPIO62_LCD_LDD_4,
  80         GPIO63_LCD_LDD_5,
  81         GPIO64_LCD_LDD_6,
  82         GPIO65_LCD_LDD_7,
  83         GPIO66_LCD_LDD_8,
  84         GPIO67_LCD_LDD_9,
  85         GPIO68_LCD_LDD_10,
  86         GPIO69_LCD_LDD_11,
  87         GPIO70_LCD_LDD_12,
  88         GPIO71_LCD_LDD_13,
  89         GPIO72_LCD_LDD_14,
  90         GPIO73_LCD_LDD_15,
  91         GPIO86_LCD_LDD_16,
  92         GPIO87_LCD_LDD_17,
  93         GPIO74_LCD_FCLK,
  94         GPIO75_LCD_LCLK,
  95         GPIO76_LCD_PCLK,
  96         GPIO77_LCD_BIAS,
  97
  98         /* PCMCIA */
  99         GPIO48_nPOE,
 100         GPIO49_nPWE,
 101         GPIO50_nPIOR,
 102         GPIO51_nPIOW,
 103         GPIO85_nPCE_1,
 104         GPIO54_nPCE_2,
 105         GPIO55_nPREG,
 106         GPIO57_nIOIS16,
 107         GPIO56_nPWAIT,
 108         GPIO104_PSKTSEL,
 109         GPIO84_GPIO,    /* PCMCIA CD */
 110         GPIO35_GPIO,    /* PCMCIA RDY */
 111         GPIO107_GPIO,   /* PCMCIA PPEN */
 112         GPIO11_GPIO,    /* PCMCIA RESET */
 113         GPIO17_GPIO,    /* CF CD */
 114         GPIO12_GPIO,    /* CF RDY */
 115         GPIO16_GPIO,    /* CF RESET */
 116
 117         /* UHC */
 118         GPIO88_USBH1_PWR,
 119         GPIO89_USBH1_PEN,
 120         GPIO119_USBH2_PWR,
 121         GPIO120_USBH2_PEN,
 122
 123         /* UDC */
 124         GPIO41_GPIO,
 125
 126         /* Ethernet */
 127         GPIO114_GPIO,   /* IRQ */
 128
 129         /* AC97 */
 130         GPIO28_AC97_BITCLK,
 131         GPIO29_AC97_SDATA_IN_0,
 132         GPIO30_AC97_SDATA_OUT,
 133         GPIO31_AC97_SYNC,
 134         GPIO95_AC97_nRESET,
 135         GPIO98_AC97_SYSCLK,
 136         GPIO113_GPIO,   /* TS IRQ */
 137
 138         /* I2C */
 139         GPIO117_I2C_SCL,
 140         GPIO118_I2C_SDA,
 141 };
 142
 143 /******************************************************************************
 144  * NOR Flash
 145  ******************************************************************************/
 146 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 147 static struct mtd_partition vpac270_partitions[] = {
 148         {
 149                 .name           = "Flash",
 150                 .offset         = 0x00000000,
 151                 .size           = MTDPART_SIZ_FULL,
 152         }
 153 };
 154
 155 static struct physmap_flash_data vpac270_flash_data[] = {
 156         {
 157                 .width          = 2,    /* bankwidth in bytes */
 158                 .parts          = vpac270_partitions,
 159                 .nr_parts       = ARRAY_SIZE(vpac270_partitions)
 160         }
 161 };
 162
 163 static struct resource vpac270_flash_resource = {
 164         .start  = PXA_CS0_PHYS,
 165         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 166         .flags  = IORESOURCE_MEM,
 167 };
 168
 169 static struct platform_device vpac270_flash = {
 170         .name           = "physmap-flash",
 171         .id             = 0,
 172         .resource       = &vpac270_flash_resource,
 173         .num_resources  = 1,
 174         .dev            = {
 175                 .platform_data = vpac270_flash_data,
 176         },
 177 };
 178 static void __init vpac270_nor_init(void)
 179 {
 180         platform_device_register(&vpac270_flash);
 181 }
 182 #else
 183 static inline void vpac270_nor_init(void) {}
 184 #endif
 185
 186 /******************************************************************************
 187  * SD/MMC card controller
 188  ******************************************************************************/
 189 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 190 static struct pxamci_platform_data vpac270_mci_platform_data = {
 191         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 192         .gpio_card_detect       = GPIO53_VPAC270_SD_DETECT_N,
 193         .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
 194         .detect_delay           = 20,
 195 };
 196
 197 static void __init vpac270_mmc_init(void)
 198 {
 199         pxa_set_mci_info(&vpac270_mci_platform_data);
 200 }
 201 #else
 202 static inline void vpac270_mmc_init(void) {}
 203 #endif
 204
 205 /******************************************************************************
 206  * GPIO keys
 207  ******************************************************************************/
 208 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 209 static struct gpio_keys_button vpac270_pxa_buttons[] = {
 210         {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
 211 };
 212
 213 static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
 214         .buttons        = vpac270_pxa_buttons,
 215         .nbuttons       = ARRAY_SIZE(vpac270_pxa_buttons),
 216 };
 217
 218 static struct platform_device vpac270_pxa_keys = {
 219         .name   = "gpio-keys",
 220         .id     = -1,
 221         .dev    = {
 222                 .platform_data = &vpac270_pxa_keys_data,
 223         },
 224 };
 225
 226 static void __init vpac270_keys_init(void)
 227 {
 228         platform_device_register(&vpac270_pxa_keys);
 229 }
 230 #else
 231 static inline void vpac270_keys_init(void) {}
 232 #endif
 233
 234 /******************************************************************************
 235  * LED
 236  ******************************************************************************/
 237 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 238 struct gpio_led vpac270_gpio_leds[] = {
 239 {
 240         .name                   = "vpac270:orange:user",
 241         .default_trigger        = "none",
 242         .gpio                   = GPIO15_VPAC270_LED_ORANGE,
 243         .active_low             = 1,
 244 }
 245 };
 246
 247 static struct gpio_led_platform_data vpac270_gpio_led_info = {
 248         .leds           = vpac270_gpio_leds,
 249         .num_leds       = ARRAY_SIZE(vpac270_gpio_leds),
 250 };
 251
 252 static struct platform_device vpac270_leds = {
 253         .name   = "leds-gpio",
 254         .id     = -1,
 255         .dev    = {
 256                 .platform_data  = &vpac270_gpio_led_info,
 257         }
 258 };
 259
 260 static void __init vpac270_leds_init(void)
 261 {
 262         platform_device_register(&vpac270_leds);
 263 }
 264 #else
 265 static inline void vpac270_leds_init(void) {}
 266 #endif
 267
 268 /******************************************************************************
 269  * USB Host
 270  ******************************************************************************/
 271 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 272 static int vpac270_ohci_init(struct device *dev)
 273 {
 274         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 275         return 0;
 276 }
 277
 278 static struct pxaohci_platform_data vpac270_ohci_info = {
 279         .port_mode      = PMM_PERPORT_MODE,
 280         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
 281                         POWER_CONTROL_LOW | POWER_SENSE_LOW,
 282         .init           = vpac270_ohci_init,
 283 };
 284
 285 static void __init vpac270_uhc_init(void)
 286 {
 287         pxa_set_ohci_info(&vpac270_ohci_info);
 288 }
 289 #else
 290 static inline void vpac270_uhc_init(void) {}
 291 #endif
 292
 293 /******************************************************************************
 294  * USB Gadget
 295  ******************************************************************************/
 296 #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
 297 static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
 298         .gpio_vbus              = GPIO41_VPAC270_UDC_DETECT,
 299         .gpio_pullup            = -1,
 300 };
 301
 302 static struct platform_device vpac270_gpio_vbus = {
 303         .name   = "gpio-vbus",
 304         .id     = -1,
 305         .dev    = {
 306                 .platform_data  = &vpac270_gpio_vbus_info,
 307         },
 308 };
 309
 310 static void vpac270_udc_command(int cmd)
 311 {
 312         if (cmd == PXA2XX_UDC_CMD_CONNECT)
 313                 UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 314         else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
 315                 UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 316 }
 317
 318 static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
 319         .udc_command            = vpac270_udc_command,
 320         .gpio_pullup            = -1,
 321 };
 322
 323 static void __init vpac270_udc_init(void)
 324 {
 325         pxa_set_udc_info(&vpac270_udc_info);
 326         platform_device_register(&vpac270_gpio_vbus);
 327 }
 328 #else
 329 static inline void vpac270_udc_init(void) {}
 330 #endif
 331
 332 /******************************************************************************
 333  * Ethernet
 334  ******************************************************************************/
 335 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 336 static struct resource vpac270_dm9000_resources[] = {
 337         [0] = {
 338                 .start  = PXA_CS2_PHYS + 0x300,
 339                 .end    = PXA_CS2_PHYS + 0x303,
 340                 .flags  = IORESOURCE_MEM,
 341         },
 342         [1] = {
 343                 .start  = PXA_CS2_PHYS + 0x304,
 344                 .end    = PXA_CS2_PHYS + 0x343,
 345                 .flags  = IORESOURCE_MEM,
 346         },
 347         [2] = {
 348                 .start  = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 349                 .end    = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
 350                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 351         },
 352 };
 353
 354 static struct dm9000_plat_data vpac270_dm9000_platdata = {
 355         .flags          = DM9000_PLATF_32BITONLY,
 356 };
 357
 358 static struct platform_device vpac270_dm9000_device = {
 359         .name           = "dm9000",
 360         .id             = -1,
 361         .num_resources  = ARRAY_SIZE(vpac270_dm9000_resources),
 362         .resource       = vpac270_dm9000_resources,
 363         .dev            = {
 364                 .platform_data = &vpac270_dm9000_platdata,
 365         }
 366 };
 367
 368 static void __init vpac270_eth_init(void)
 369 {
 370         platform_device_register(&vpac270_dm9000_device);
 371 }
 372 #else
 373 static inline void vpac270_eth_init(void) {}
 374 #endif
 375
 376 /******************************************************************************
 377  * Audio and Touchscreen
 378  ******************************************************************************/
 379 #if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
 380         defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
 381 static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
 382         .reset_gpio     = 95,
 383 };
 384
 385 static struct ucb1400_pdata vpac270_ucb1400_pdata = {
 386         .irq            = IRQ_GPIO(113),
 387 };
 388
 389 static struct platform_device vpac270_ucb1400_device = {
 390         .name           = "ucb1400_core",
 391         .id             = -1,
 392         .dev            = {
 393                 .platform_data = &vpac270_ucb1400_pdata,
 394         },
 395 };
 396
 397 static void __init vpac270_ts_init(void)
 398 {
 399         pxa_set_ac97_info(&vpac270_ac97_pdata);
 400         platform_device_register(&vpac270_ucb1400_device);
 401 }
 402 #else
 403 static inline void vpac270_ts_init(void) {}
 404 #endif
 405
 406 /******************************************************************************
 407  * RTC
 408  ******************************************************************************/
 409 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
 410 static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
 411         {
 412                 I2C_BOARD_INFO("ds1339", 0x68),
 413         },
 414 };
 415
 416 static void __init vpac270_rtc_init(void)
 417 {
 418         pxa_set_i2c_info(NULL);
 419         i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
 420 }
 421 #else
 422 static inline void vpac270_rtc_init(void) {}
 423 #endif
 424
 425 /******************************************************************************
 426  * Framebuffer
 427  ******************************************************************************/
 428 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 429 static struct pxafb_mode_info vpac270_lcd_modes[] = {
 430 {
 431         .pixclock       = 57692,
 432         .xres           = 640,
 433         .yres           = 480,
 434         .bpp            = 32,
 435         .depth          = 18,
 436
 437         .left_margin    = 144,
 438         .right_margin   = 32,
 439         .upper_margin   = 13,
 440         .lower_margin   = 30,
 441
 442         .hsync_len      = 32,
 443         .vsync_len      = 2,
 444
 445         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 446 },
 447 };
 448
 449 static struct pxafb_mach_info vpac270_lcd_screen = {
 450         .modes          = vpac270_lcd_modes,
 451         .num_modes      = ARRAY_SIZE(vpac270_lcd_modes),
 452         .lcd_conn       = LCD_COLOR_TFT_18BPP,
 453 };
 454
 455 static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
 456 {
 457         gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
 458 }
 459
 460 static void __init vpac270_lcd_init(void)
 461 {
 462         int ret;
 463
 464         ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
 465         if (ret) {
 466                 pr_err("Requesting BKL-ON GPIO failed!\n");
 467                 goto err;
 468         }
 469
 470         ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
 471         if (ret) {
 472                 pr_err("Setting BKL-ON GPIO direction failed!\n");
 473                 goto err2;
 474         }
 475
 476         vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
 477         set_pxa_fb_info(&vpac270_lcd_screen);
 478         return;
 479
 480 err2:
 481         gpio_free(GPIO81_VPAC270_BKL_ON);
 482 err:
 483         return;
 484 }
 485 #else
 486 static inline void vpac270_lcd_init(void) {}
 487 #endif
 488
 489 /******************************************************************************
 490  * Machine init
 491  ******************************************************************************/
 492 static void __init vpac270_init(void)
 493 {
 494         pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
 495
 496         pxa_set_ffuart_info(NULL);
 497         pxa_set_btuart_info(NULL);
 498         pxa_set_stuart_info(NULL);
 499
 500         vpac270_lcd_init();
 501         vpac270_mmc_init();
 502         vpac270_nor_init();
 503         vpac270_leds_init();
 504         vpac270_keys_init();
 505         vpac270_uhc_init();
 506         vpac270_udc_init();
 507         vpac270_eth_init();
 508         vpac270_ts_init();
 509         vpac270_rtc_init();
 510 }
 511
 512 MACHINE_START(VPAC270, "Voipac PXA270")
 513         .phys_io        = 0x40000000,
 514         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 515         .boot_params    = 0xa0000100,
 516         .map_io         = pxa_map_io,
 517         .init_irq       = pxa27x_init_irq,
 518         .timer          = &pxa_timer,
 519         .init_machine   = vpac270_init
 520 MACHINE_END