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