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         .ecc_mode       = NAND_ECC_SOFT,
 152         .on_flash_bbt   = 1,
 153         .parts          = ek_nand_partition,
 154         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 155 };
 156
 157 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 158         .ncs_read_setup         = 0,
 159         .nrd_setup              = 2,
 160         .ncs_write_setup        = 0,
 161         .nwe_setup              = 2,
 162
 163         .ncs_read_pulse         = 4,
 164         .nrd_pulse              = 4,
 165         .ncs_write_pulse        = 4,
 166         .nwe_pulse              = 4,
 167
 168         .read_cycle             = 7,
 169         .write_cycle            = 7,
 170
 171         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 172         .tdf_cycles             = 3,
 173 };
 174
 175 static void __init ek_add_device_nand(void)
 176 {
 177         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 178         /* setup bus-width (8 or 16) */
 179         if (ek_nand_data.bus_width_16)
 180                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 181         else
 182                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 183
 184         /* configure chip-select 3 (NAND) */
 185         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 186
 187         at91_add_device_nand(&ek_nand_data);
 188 }
 189
 190
 191 /*
 192  *  ISI
 193  */
 194 static struct isi_platform_data __initdata isi_data = {
 195         .frate                  = ISI_CFG1_FRATE_CAPTURE_ALL,
 196         /* to use codec and preview path simultaneously */
 197         .full_mode              = 1,
 198         .data_width_flags       = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
 199         /* ISI_MCK is provided by programmable clock or external clock */
 200         .mck_hz                 = 25000000,
 201 };
 202
 203
 204 /*
 205  * soc-camera OV2640
 206  */
 207 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 208         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 209 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
 210 {
 211         /* ISI board for ek using default 8-bits connection */
 212         return SOCAM_DATAWIDTH_8;
 213 }
 214
 215 static int i2c_camera_power(struct device *dev, int on)
 216 {
 217         /* enable or disable the camera */
 218         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 219         at91_set_gpio_output(AT91_PIN_PD13, !on);
 220
 221         if (!on)
 222                 goto out;
 223
 224         /* If enabled, give a reset impulse */
 225         at91_set_gpio_output(AT91_PIN_PD12, 0);
 226         msleep(20);
 227         at91_set_gpio_output(AT91_PIN_PD12, 1);
 228         msleep(100);
 229
 230 out:
 231         return 0;
 232 }
 233
 234 static struct i2c_board_info i2c_camera = {
 235         I2C_BOARD_INFO("ov2640", 0x30),
 236 };
 237
 238 static struct soc_camera_link iclink_ov2640 = {
 239         .bus_id                 = 0,
 240         .board_info             = &i2c_camera,
 241         .i2c_adapter_id         = 0,
 242         .power                  = i2c_camera_power,
 243         .query_bus_param        = isi_camera_query_bus_param,
 244 };
 245
 246 static struct platform_device isi_ov2640 = {
 247         .name   = "soc-camera-pdrv",
 248         .id     = 0,
 249         .dev    = {
 250                 .platform_data = &iclink_ov2640,
 251         },
 252 };
 253 #endif
 254
 255
 256 /*
 257  * LCD Controller
 258  */
 259 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 260 static struct fb_videomode at91_tft_vga_modes[] = {
 261         {
 262                 .name           = "LG",
 263                 .refresh        = 60,
 264                 .xres           = 480,          .yres           = 272,
 265                 .pixclock       = KHZ2PICOS(9000),
 266
 267                 .left_margin    = 1,            .right_margin   = 1,
 268                 .upper_margin   = 40,           .lower_margin   = 1,
 269                 .hsync_len      = 45,           .vsync_len      = 1,
 270
 271                 .sync           = 0,
 272                 .vmode          = FB_VMODE_NONINTERLACED,
 273         },
 274 };
 275
 276 static struct fb_monspecs at91fb_default_monspecs = {
 277         .manufacturer   = "LG",
 278         .monitor        = "LB043WQ1",
 279
 280         .modedb         = at91_tft_vga_modes,
 281         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 282         .hfmin          = 15000,
 283         .hfmax          = 17640,
 284         .vfmin          = 57,
 285         .vfmax          = 67,
 286 };
 287
 288 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 289                                         | ATMEL_LCDC_DISTYPE_TFT \
 290                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 291
 292 /* Driver datas */
 293 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 294         .lcdcon_is_backlight            = true,
 295         .default_bpp                    = 32,
 296         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 297         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 298         .default_monspecs               = &at91fb_default_monspecs,
 299         .guard_time                     = 9,
 300         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 301 };
 302
 303 #else
 304 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 305 #endif
 306
 307
 308 /*
 309  * Touchscreen
 310  */
 311 static struct at91_tsadcc_data ek_tsadcc_data = {
 312         .adc_clock              = 300000,
 313         .pendet_debounce        = 0x0d,
 314         .ts_sample_hold_time    = 0x0a,
 315 };
 316
 317
 318 /*
 319  * GPIO Buttons
 320  */
 321 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 322 static struct gpio_keys_button ek_buttons[] = {
 323         {       /* BP1, "leftclic" */
 324                 .code           = BTN_LEFT,
 325                 .gpio           = AT91_PIN_PB6,
 326                 .active_low     = 1,
 327                 .desc           = "left_click",
 328                 .wakeup         = 1,
 329         },
 330         {       /* BP2, "rightclic" */
 331                 .code           = BTN_RIGHT,
 332                 .gpio           = AT91_PIN_PB7,
 333                 .active_low     = 1,
 334                 .desc           = "right_click",
 335                 .wakeup         = 1,
 336         },
 337                 /* BP3, "joystick" */
 338         {
 339                 .code           = KEY_LEFT,
 340                 .gpio           = AT91_PIN_PB14,
 341                 .active_low     = 1,
 342                 .desc           = "Joystick Left",
 343         },
 344         {
 345                 .code           = KEY_RIGHT,
 346                 .gpio           = AT91_PIN_PB15,
 347                 .active_low     = 1,
 348                 .desc           = "Joystick Right",
 349         },
 350         {
 351                 .code           = KEY_UP,
 352                 .gpio           = AT91_PIN_PB16,
 353                 .active_low     = 1,
 354                 .desc           = "Joystick Up",
 355         },
 356         {
 357                 .code           = KEY_DOWN,
 358                 .gpio           = AT91_PIN_PB17,
 359                 .active_low     = 1,
 360                 .desc           = "Joystick Down",
 361         },
 362         {
 363                 .code           = KEY_ENTER,
 364                 .gpio           = AT91_PIN_PB18,
 365                 .active_low     = 1,
 366                 .desc           = "Joystick Press",
 367         },
 368 };
 369
 370 static struct gpio_keys_platform_data ek_button_data = {
 371         .buttons        = ek_buttons,
 372         .nbuttons       = ARRAY_SIZE(ek_buttons),
 373 };
 374
 375 static struct platform_device ek_button_device = {
 376         .name           = "gpio-keys",
 377         .id             = -1,
 378         .num_resources  = 0,
 379         .dev            = {
 380                 .platform_data  = &ek_button_data,
 381         }
 382 };
 383
 384 static void __init ek_add_device_buttons(void)
 385 {
 386         int i;
 387
 388         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 389                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 390                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 391         }
 392
 393         platform_device_register(&ek_button_device);
 394 }
 395 #else
 396 static void __init ek_add_device_buttons(void) {}
 397 #endif
 398
 399
 400 /*
 401  * AC97
 402  * reset_pin is not connected: NRST
 403  */
 404 static struct ac97c_platform_data ek_ac97_data = {
 405         .reset_pin      = -EINVAL,
 406 };
 407
 408
 409 /*
 410  * LEDs ... these could all be PWM-driven, for variable brightness
 411  */
 412 static struct gpio_led ek_leds[] = {
 413         {       /* "top" led, red, powerled */
 414                 .name                   = "d8",
 415                 .gpio                   = AT91_PIN_PD30,
 416                 .default_trigger        = "heartbeat",
 417         },
 418         {       /* "left" led, green, userled2, pwm3 */
 419                 .name                   = "d6",
 420                 .gpio                   = AT91_PIN_PD0,
 421                 .active_low             = 1,
 422                 .default_trigger        = "nand-disk",
 423         },
 424 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 425         {       /* "right" led, green, userled1, pwm1 */
 426                 .name                   = "d7",
 427                 .gpio                   = AT91_PIN_PD31,
 428                 .active_low             = 1,
 429                 .default_trigger        = "mmc0",
 430         },
 431 #endif
 432 };
 433
 434
 435 /*
 436  * PWM Leds
 437  */
 438 static struct gpio_led ek_pwm_led[] = {
 439 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 440         {       /* "right" led, green, userled1, pwm1 */
 441                 .name                   = "d7",
 442                 .gpio                   = 1,    /* is PWM channel number */
 443                 .active_low             = 1,
 444                 .default_trigger        = "none",
 445         },
 446 #endif
 447 };
 448
 449 static struct platform_device *devices[] __initdata = {
 450 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 451         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 452         &isi_ov2640,
 453 #endif
 454 };
 455
 456 static void __init ek_board_init(void)
 457 {
 458         /* Serial */
 459         at91_add_device_serial();
 460         /* USB HS Host */
 461         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 462         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 463         /* USB HS Device */
 464         at91_add_device_usba(&ek_usba_udc_data);
 465         /* SPI */
 466         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 467         /* MMC */
 468         at91_add_device_mci(0, &mci0_data);
 469         at91_add_device_mci(1, &mci1_data);
 470         /* Ethernet */
 471         at91_add_device_eth(&ek_macb_data);
 472         /* NAND */
 473         ek_add_device_nand();
 474         /* I2C */
 475         at91_add_device_i2c(0, NULL, 0);
 476         /* ISI, using programmable clock as ISI_MCK */
 477         at91_add_device_isi(&isi_data, true);
 478         /* LCD Controller */
 479         at91_add_device_lcdc(&ek_lcdc_data);
 480         /* Touch Screen */
 481         at91_add_device_tsadcc(&ek_tsadcc_data);
 482         /* Push Buttons */
 483         ek_add_device_buttons();
 484         /* AC97 */
 485         at91_add_device_ac97(&ek_ac97_data);
 486         /* LEDs */
 487         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 488         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 489         /* Other platform devices */
 490         platform_add_devices(devices, ARRAY_SIZE(devices));
 491 }
 492
 493 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 494         /* Maintainer: Atmel */
 495         .timer          = &at91sam926x_timer,
 496         .map_io         = at91_map_io,
 497         .init_early     = ek_init_early,
 498         .init_irq       = at91_init_irq_default,
 499         .init_machine   = ek_board_init,
 500 MACHINE_END