arch/arm/mach-at91/board-sam9m10g45ek.c

   1 /*
   2  *  Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
   3  *
   4  *  Covers: * AT91SAM9G45-EKES  board
   5  *          * AT91SAM9M10G45-EK board
   6  *
   7  *  Copyright (C) 2009 Atmel Corporation.
   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 as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  */
  15
  16 #include <linux/types.h>
  17 #include <linux/gpio.h>
  18 #include <linux/init.h>
  19 #include <linux/mm.h>
  20 #include <linux/module.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/fb.h>
  24 #include <linux/gpio_keys.h>
  25 #include <linux/input.h>
  26 #include <linux/leds.h>
  27 #include <linux/atmel-mci.h>
  28 #include <linux/delay.h>
  29
  30 #include <mach/hardware.h>
  31 #include <video/atmel_lcdc.h>
  32 #include <media/soc_camera.h>
  33 #include <media/atmel-isi.h>
  34
  35 #include <asm/setup.h>
  36 #include <asm/mach-types.h>
  37 #include <asm/irq.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42
  43 #include <mach/board.h>
  44 #include <mach/at91sam9_smc.h>
  45 #include <mach/at91_shdwc.h>
  46 #include <mach/system_rev.h>
  47
  48 #include "sam9_smc.h"
  49 #include "generic.h"
  50
  51
  52 static void __init ek_init_early(void)
  53 {
  54         /* Initialize processor: 12.000 MHz crystal */
  55         at91_initialize(12000000);
  56
  57         /* DGBU on ttyS0. (Rx & Tx only) */
  58         at91_register_uart(0, 0, 0);
  59
  60         /* USART0 not connected on the -EK board */
  61         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  62         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  63
  64         /* set serial console to ttyS0 (ie, DBGU) */
  65         at91_set_serial_console(0);
  66 }
  67
  68 /*
  69  * USB HS Host port (common to OHCI & EHCI)
  70  */
  71 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  72         .ports          = 2,
  73         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  74         .overcurrent_pin= {-EINVAL, -EINVAL},
  75 };
  76
  77
  78 /*
  79  * USB HS Device port
  80  */
  81 static struct usba_platform_data __initdata ek_usba_udc_data = {
  82         .vbus_pin       = AT91_PIN_PB19,
  83 };
  84
  85
  86 /*
  87  * SPI devices.
  88  */
  89 static struct spi_board_info ek_spi_devices[] = {
  90         {       /* DataFlash chip */
  91                 .modalias       = "mtd_dataflash",
  92                 .chip_select    = 0,
  93                 .max_speed_hz   = 15 * 1000 * 1000,
  94                 .bus_num        = 0,
  95         },
  96 };
  97
  98
  99 /*
 100  * MCI (SD/MMC)
 101  */
 102 static struct mci_platform_data __initdata mci0_data = {
 103         .slot[0] = {
 104                 .bus_width      = 4,
 105                 .detect_pin     = AT91_PIN_PD10,
 106                 .wp_pin         = -EINVAL,
 107         },
 108 };
 109
 110 static struct mci_platform_data __initdata mci1_data = {
 111         .slot[0] = {
 112                 .bus_width      = 4,
 113                 .detect_pin     = AT91_PIN_PD11,
 114                 .wp_pin         = AT91_PIN_PD29,
 115         },
 116 };
 117
 118
 119 /*
 120  * MACB Ethernet device
 121  */
 122 static struct macb_platform_data __initdata ek_macb_data = {
 123         .phy_irq_pin    = AT91_PIN_PD5,
 124         .is_rmii        = 1,
 125 };
 126
 127
 128 /*
 129  * NAND flash
 130  */
 131 static struct mtd_partition __initdata ek_nand_partition[] = {
 132         {
 133                 .name   = "Partition 1",
 134                 .offset = 0,
 135                 .size   = SZ_64M,
 136         },
 137         {
 138                 .name   = "Partition 2",
 139                 .offset = MTDPART_OFS_NXTBLK,
 140                 .size   = MTDPART_SIZ_FULL,
 141         },
 142 };
 143
 144 /* det_pin is not connected */
 145 static struct atmel_nand_data __initdata ek_nand_data = {
 146         .ale            = 21,
 147         .cle            = 22,
 148         .rdy_pin        = AT91_PIN_PC8,
 149         .enable_pin     = AT91_PIN_PC14,
 150         .det_pin        = -EINVAL,
 151         .parts          = ek_nand_partition,
 152         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 153 };
 154
 155 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 156         .ncs_read_setup         = 0,
 157         .nrd_setup              = 2,
 158         .ncs_write_setup        = 0,
 159         .nwe_setup              = 2,
 160
 161         .ncs_read_pulse         = 4,
 162         .nrd_pulse              = 4,
 163         .ncs_write_pulse        = 4,
 164         .nwe_pulse              = 4,
 165
 166         .read_cycle             = 7,
 167         .write_cycle            = 7,
 168
 169         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 170         .tdf_cycles             = 3,
 171 };
 172
 173 static void __init ek_add_device_nand(void)
 174 {
 175         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 176         /* setup bus-width (8 or 16) */
 177         if (ek_nand_data.bus_width_16)
 178                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 179         else
 180                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 181
 182         /* configure chip-select 3 (NAND) */
 183         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 184
 185         at91_add_device_nand(&ek_nand_data);
 186 }
 187
 188
 189 /*
 190  *  ISI
 191  */
 192 static struct isi_platform_data __initdata isi_data = {
 193         .frate                  = ISI_CFG1_FRATE_CAPTURE_ALL,
 194         /* to use codec and preview path simultaneously */
 195         .full_mode              = 1,
 196         .data_width_flags       = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
 197         /* ISI_MCK is provided by programmable clock or external clock */
 198         .mck_hz                 = 25000000,
 199 };
 200
 201
 202 /*
 203  * soc-camera OV2640
 204  */
 205 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 206         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 207 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
 208 {
 209         /* ISI board for ek using default 8-bits connection */
 210         return SOCAM_DATAWIDTH_8;
 211 }
 212
 213 static int i2c_camera_power(struct device *dev, int on)
 214 {
 215         /* enable or disable the camera */
 216         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 217         at91_set_gpio_output(AT91_PIN_PD13, !on);
 218
 219         if (!on)
 220                 goto out;
 221
 222         /* If enabled, give a reset impulse */
 223         at91_set_gpio_output(AT91_PIN_PD12, 0);
 224         msleep(20);
 225         at91_set_gpio_output(AT91_PIN_PD12, 1);
 226         msleep(100);
 227
 228 out:
 229         return 0;
 230 }
 231
 232 static struct i2c_board_info i2c_camera = {
 233         I2C_BOARD_INFO("ov2640", 0x30),
 234 };
 235
 236 static struct soc_camera_link iclink_ov2640 = {
 237         .bus_id                 = 0,
 238         .board_info             = &i2c_camera,
 239         .i2c_adapter_id         = 0,
 240         .power                  = i2c_camera_power,
 241         .query_bus_param        = isi_camera_query_bus_param,
 242 };
 243
 244 static struct platform_device isi_ov2640 = {
 245         .name   = "soc-camera-pdrv",
 246         .id     = 0,
 247         .dev    = {
 248                 .platform_data = &iclink_ov2640,
 249         },
 250 };
 251 #endif
 252
 253
 254 /*
 255  * LCD Controller
 256  */
 257 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 258 static struct fb_videomode at91_tft_vga_modes[] = {
 259         {
 260                 .name           = "LG",
 261                 .refresh        = 60,
 262                 .xres           = 480,          .yres           = 272,
 263                 .pixclock       = KHZ2PICOS(9000),
 264
 265                 .left_margin    = 1,            .right_margin   = 1,
 266                 .upper_margin   = 40,           .lower_margin   = 1,
 267                 .hsync_len      = 45,           .vsync_len      = 1,
 268
 269                 .sync           = 0,
 270                 .vmode          = FB_VMODE_NONINTERLACED,
 271         },
 272 };
 273
 274 static struct fb_monspecs at91fb_default_monspecs = {
 275         .manufacturer   = "LG",
 276         .monitor        = "LB043WQ1",
 277
 278         .modedb         = at91_tft_vga_modes,
 279         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 280         .hfmin          = 15000,
 281         .hfmax          = 17640,
 282         .vfmin          = 57,
 283         .vfmax          = 67,
 284 };
 285
 286 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 287                                         | ATMEL_LCDC_DISTYPE_TFT \
 288                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 289
 290 /* Driver datas */
 291 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 292         .lcdcon_is_backlight            = true,
 293         .default_bpp                    = 32,
 294         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 295         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 296         .default_monspecs               = &at91fb_default_monspecs,
 297         .guard_time                     = 9,
 298         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 299 };
 300
 301 #else
 302 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 303 #endif
 304
 305
 306 /*
 307  * Touchscreen
 308  */
 309 static struct at91_tsadcc_data ek_tsadcc_data = {
 310         .adc_clock              = 300000,
 311         .pendet_debounce        = 0x0d,
 312         .ts_sample_hold_time    = 0x0a,
 313 };
 314
 315
 316 /*
 317  * GPIO Buttons
 318  */
 319 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 320 static struct gpio_keys_button ek_buttons[] = {
 321         {       /* BP1, "leftclic" */
 322                 .code           = BTN_LEFT,
 323                 .gpio           = AT91_PIN_PB6,
 324                 .active_low     = 1,
 325                 .desc           = "left_click",
 326                 .wakeup         = 1,
 327         },
 328         {       /* BP2, "rightclic" */
 329                 .code           = BTN_RIGHT,
 330                 .gpio           = AT91_PIN_PB7,
 331                 .active_low     = 1,
 332                 .desc           = "right_click",
 333                 .wakeup         = 1,
 334         },
 335                 /* BP3, "joystick" */
 336         {
 337                 .code           = KEY_LEFT,
 338                 .gpio           = AT91_PIN_PB14,
 339                 .active_low     = 1,
 340                 .desc           = "Joystick Left",
 341         },
 342         {
 343                 .code           = KEY_RIGHT,
 344                 .gpio           = AT91_PIN_PB15,
 345                 .active_low     = 1,
 346                 .desc           = "Joystick Right",
 347         },
 348         {
 349                 .code           = KEY_UP,
 350                 .gpio           = AT91_PIN_PB16,
 351                 .active_low     = 1,
 352                 .desc           = "Joystick Up",
 353         },
 354         {
 355                 .code           = KEY_DOWN,
 356                 .gpio           = AT91_PIN_PB17,
 357                 .active_low     = 1,
 358                 .desc           = "Joystick Down",
 359         },
 360         {
 361                 .code           = KEY_ENTER,
 362                 .gpio           = AT91_PIN_PB18,
 363                 .active_low     = 1,
 364                 .desc           = "Joystick Press",
 365         },
 366 };
 367
 368 static struct gpio_keys_platform_data ek_button_data = {
 369         .buttons        = ek_buttons,
 370         .nbuttons       = ARRAY_SIZE(ek_buttons),
 371 };
 372
 373 static struct platform_device ek_button_device = {
 374         .name           = "gpio-keys",
 375         .id             = -1,
 376         .num_resources  = 0,
 377         .dev            = {
 378                 .platform_data  = &ek_button_data,
 379         }
 380 };
 381
 382 static void __init ek_add_device_buttons(void)
 383 {
 384         int i;
 385
 386         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 387                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 388                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 389         }
 390
 391         platform_device_register(&ek_button_device);
 392 }
 393 #else
 394 static void __init ek_add_device_buttons(void) {}
 395 #endif
 396
 397
 398 /*
 399  * AC97
 400  * reset_pin is not connected: NRST
 401  */
 402 static struct ac97c_platform_data ek_ac97_data = {
 403         .reset_pin      = -EINVAL,
 404 };
 405
 406
 407 /*
 408  * LEDs ... these could all be PWM-driven, for variable brightness
 409  */
 410 static struct gpio_led ek_leds[] = {
 411         {       /* "top" led, red, powerled */
 412                 .name                   = "d8",
 413                 .gpio                   = AT91_PIN_PD30,
 414                 .default_trigger        = "heartbeat",
 415         },
 416         {       /* "left" led, green, userled2, pwm3 */
 417                 .name                   = "d6",
 418                 .gpio                   = AT91_PIN_PD0,
 419                 .active_low             = 1,
 420                 .default_trigger        = "nand-disk",
 421         },
 422 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 423         {       /* "right" led, green, userled1, pwm1 */
 424                 .name                   = "d7",
 425                 .gpio                   = AT91_PIN_PD31,
 426                 .active_low             = 1,
 427                 .default_trigger        = "mmc0",
 428         },
 429 #endif
 430 };
 431
 432
 433 /*
 434  * PWM Leds
 435  */
 436 static struct gpio_led ek_pwm_led[] = {
 437 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 438         {       /* "right" led, green, userled1, pwm1 */
 439                 .name                   = "d7",
 440                 .gpio                   = 1,    /* is PWM channel number */
 441                 .active_low             = 1,
 442                 .default_trigger        = "none",
 443         },
 444 #endif
 445 };
 446
 447 static struct platform_device *devices[] __initdata = {
 448 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 449         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 450         &isi_ov2640,
 451 #endif
 452 };
 453
 454 static void __init ek_board_init(void)
 455 {
 456         /* Serial */
 457         at91_add_device_serial();
 458         /* USB HS Host */
 459         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 460         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 461         /* USB HS Device */
 462         at91_add_device_usba(&ek_usba_udc_data);
 463         /* SPI */
 464         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 465         /* MMC */
 466         at91_add_device_mci(0, &mci0_data);
 467         at91_add_device_mci(1, &mci1_data);
 468         /* Ethernet */
 469         at91_add_device_eth(&ek_macb_data);
 470         /* NAND */
 471         ek_add_device_nand();
 472         /* I2C */
 473         at91_add_device_i2c(0, NULL, 0);
 474         /* ISI, using programmable clock as ISI_MCK */
 475         at91_add_device_isi(&isi_data, true);
 476         /* LCD Controller */
 477         at91_add_device_lcdc(&ek_lcdc_data);
 478         /* Touch Screen */
 479         at91_add_device_tsadcc(&ek_tsadcc_data);
 480         /* Push Buttons */
 481         ek_add_device_buttons();
 482         /* AC97 */
 483         at91_add_device_ac97(&ek_ac97_data);
 484         /* LEDs */
 485         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 486         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 487         /* Other platform devices */
 488         platform_add_devices(devices, ARRAY_SIZE(devices));
 489 }
 490
 491 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 492         /* Maintainer: Atmel */
 493         .timer          = &at91sam926x_timer,
 494         .map_io         = at91_map_io,
 495         .init_early     = ek_init_early,
 496         .init_irq       = at91_init_irq_default,
 497         .init_machine   = ek_board_init,
 498 MACHINE_END