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 <linux/platform_data/at91_adc.h>
  31
  32 #include <mach/hardware.h>
  33 #include <video/atmel_lcdc.h>
  34 #include <media/soc_camera.h>
  35 #include <media/atmel-isi.h>
  36
  37 #include <asm/setup.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/irq.h>
  40
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/irq.h>
  44
  45 #include <mach/at91sam9_smc.h>
  46 #include <mach/system_rev.h>
  47
  48 #include "at91_aic.h"
  49 #include "at91_shdwc.h"
  50 #include "board.h"
  51 #include "sam9_smc.h"
  52 #include "generic.h"
  53 #include "gpio.h"
  54
  55
  56 static void __init ek_init_early(void)
  57 {
  58         /* Initialize processor: 12.000 MHz crystal */
  59         at91_initialize(12000000);
  60 }
  61
  62 /*
  63  * USB HS Host port (common to OHCI & EHCI)
  64  */
  65 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  66         .ports          = 2,
  67         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  68         .vbus_pin_active_low = {1, 1},
  69         .overcurrent_pin= {-EINVAL, -EINVAL},
  70 };
  71
  72
  73 /*
  74  * USB HS Device port
  75  */
  76 static struct usba_platform_data __initdata ek_usba_udc_data = {
  77         .vbus_pin       = AT91_PIN_PB19,
  78 };
  79
  80
  81 /*
  82  * SPI devices.
  83  */
  84 static struct spi_board_info ek_spi_devices[] = {
  85         {       /* DataFlash chip */
  86                 .modalias       = "mtd_dataflash",
  87                 .chip_select    = 0,
  88                 .max_speed_hz   = 15 * 1000 * 1000,
  89                 .bus_num        = 0,
  90         },
  91 };
  92
  93
  94 /*
  95  * MCI (SD/MMC)
  96  */
  97 static struct mci_platform_data __initdata mci0_data = {
  98         .slot[0] = {
  99                 .bus_width      = 4,
 100                 .detect_pin     = AT91_PIN_PD10,
 101                 .wp_pin         = -EINVAL,
 102         },
 103 };
 104
 105 static struct mci_platform_data __initdata mci1_data = {
 106         .slot[0] = {
 107                 .bus_width      = 4,
 108                 .detect_pin     = AT91_PIN_PD11,
 109                 .wp_pin         = AT91_PIN_PD29,
 110         },
 111 };
 112
 113
 114 /*
 115  * MACB Ethernet device
 116  */
 117 static struct macb_platform_data __initdata ek_macb_data = {
 118         .phy_irq_pin    = AT91_PIN_PD5,
 119         .is_rmii        = 1,
 120 };
 121
 122
 123 /*
 124  * NAND flash
 125  */
 126 static struct mtd_partition __initdata ek_nand_partition[] = {
 127         {
 128                 .name   = "Partition 1",
 129                 .offset = 0,
 130                 .size   = SZ_64M,
 131         },
 132         {
 133                 .name   = "Partition 2",
 134                 .offset = MTDPART_OFS_NXTBLK,
 135                 .size   = MTDPART_SIZ_FULL,
 136         },
 137 };
 138
 139 /* det_pin is not connected */
 140 static struct atmel_nand_data __initdata ek_nand_data = {
 141         .ale            = 21,
 142         .cle            = 22,
 143         .rdy_pin        = AT91_PIN_PC8,
 144         .enable_pin     = AT91_PIN_PC14,
 145         .det_pin        = -EINVAL,
 146         .ecc_mode       = NAND_ECC_SOFT,
 147         .on_flash_bbt   = 1,
 148         .parts          = ek_nand_partition,
 149         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 150 };
 151
 152 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 153         .ncs_read_setup         = 0,
 154         .nrd_setup              = 2,
 155         .ncs_write_setup        = 0,
 156         .nwe_setup              = 2,
 157
 158         .ncs_read_pulse         = 4,
 159         .nrd_pulse              = 4,
 160         .ncs_write_pulse        = 4,
 161         .nwe_pulse              = 4,
 162
 163         .read_cycle             = 7,
 164         .write_cycle            = 7,
 165
 166         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 167         .tdf_cycles             = 3,
 168 };
 169
 170 static void __init ek_add_device_nand(void)
 171 {
 172         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 173         /* setup bus-width (8 or 16) */
 174         if (ek_nand_data.bus_width_16)
 175                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 176         else
 177                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 178
 179         /* configure chip-select 3 (NAND) */
 180         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 181
 182         at91_add_device_nand(&ek_nand_data);
 183 }
 184
 185
 186 /*
 187  *  ISI
 188  */
 189 static struct isi_platform_data __initdata isi_data = {
 190         .frate                  = ISI_CFG1_FRATE_CAPTURE_ALL,
 191         /* to use codec and preview path simultaneously */
 192         .full_mode              = 1,
 193         .data_width_flags       = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
 194         /* ISI_MCK is provided by programmable clock or external clock */
 195         .mck_hz                 = 25000000,
 196 };
 197
 198
 199 /*
 200  * soc-camera OV2640
 201  */
 202 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 203         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 204 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
 205 {
 206         /* ISI board for ek using default 8-bits connection */
 207         return SOCAM_DATAWIDTH_8;
 208 }
 209
 210 static int i2c_camera_power(struct device *dev, int on)
 211 {
 212         /* enable or disable the camera */
 213         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 214         at91_set_gpio_output(AT91_PIN_PD13, !on);
 215
 216         if (!on)
 217                 goto out;
 218
 219         /* If enabled, give a reset impulse */
 220         at91_set_gpio_output(AT91_PIN_PD12, 0);
 221         msleep(20);
 222         at91_set_gpio_output(AT91_PIN_PD12, 1);
 223         msleep(100);
 224
 225 out:
 226         return 0;
 227 }
 228
 229 static struct i2c_board_info i2c_camera = {
 230         I2C_BOARD_INFO("ov2640", 0x30),
 231 };
 232
 233 static struct soc_camera_link iclink_ov2640 = {
 234         .bus_id                 = 0,
 235         .board_info             = &i2c_camera,
 236         .i2c_adapter_id         = 0,
 237         .power                  = i2c_camera_power,
 238         .query_bus_param        = isi_camera_query_bus_param,
 239 };
 240
 241 static struct platform_device isi_ov2640 = {
 242         .name   = "soc-camera-pdrv",
 243         .id     = 0,
 244         .dev    = {
 245                 .platform_data = &iclink_ov2640,
 246         },
 247 };
 248 #endif
 249
 250
 251 /*
 252  * LCD Controller
 253  */
 254 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 255 static struct fb_videomode at91_tft_vga_modes[] = {
 256         {
 257                 .name           = "LG",
 258                 .refresh        = 60,
 259                 .xres           = 480,          .yres           = 272,
 260                 .pixclock       = KHZ2PICOS(9000),
 261
 262                 .left_margin    = 1,            .right_margin   = 1,
 263                 .upper_margin   = 40,           .lower_margin   = 1,
 264                 .hsync_len      = 45,           .vsync_len      = 1,
 265
 266                 .sync           = 0,
 267                 .vmode          = FB_VMODE_NONINTERLACED,
 268         },
 269 };
 270
 271 static struct fb_monspecs at91fb_default_monspecs = {
 272         .manufacturer   = "LG",
 273         .monitor        = "LB043WQ1",
 274
 275         .modedb         = at91_tft_vga_modes,
 276         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 277         .hfmin          = 15000,
 278         .hfmax          = 17640,
 279         .vfmin          = 57,
 280         .vfmax          = 67,
 281 };
 282
 283 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 284                                         | ATMEL_LCDC_DISTYPE_TFT \
 285                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 286
 287 /* Driver datas */
 288 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
 289         .lcdcon_is_backlight            = true,
 290         .default_bpp                    = 32,
 291         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 292         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 293         .default_monspecs               = &at91fb_default_monspecs,
 294         .guard_time                     = 9,
 295         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 296 };
 297
 298 #else
 299 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
 300 #endif
 301
 302
 303 /*
 304  * ADCs and touchscreen
 305  */
 306 static struct at91_adc_data ek_adc_data = {
 307         .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
 308         .use_external_triggers = true,
 309         .vref = 3300,
 310         .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE,
 311 };
 312
 313 /*
 314  * GPIO Buttons
 315  */
 316 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 317 static struct gpio_keys_button ek_buttons[] = {
 318         {       /* BP1, "leftclic" */
 319                 .code           = BTN_LEFT,
 320                 .gpio           = AT91_PIN_PB6,
 321                 .active_low     = 1,
 322                 .desc           = "left_click",
 323                 .wakeup         = 1,
 324         },
 325         {       /* BP2, "rightclic" */
 326                 .code           = BTN_RIGHT,
 327                 .gpio           = AT91_PIN_PB7,
 328                 .active_low     = 1,
 329                 .desc           = "right_click",
 330                 .wakeup         = 1,
 331         },
 332                 /* BP3, "joystick" */
 333         {
 334                 .code           = KEY_LEFT,
 335                 .gpio           = AT91_PIN_PB14,
 336                 .active_low     = 1,
 337                 .desc           = "Joystick Left",
 338         },
 339         {
 340                 .code           = KEY_RIGHT,
 341                 .gpio           = AT91_PIN_PB15,
 342                 .active_low     = 1,
 343                 .desc           = "Joystick Right",
 344         },
 345         {
 346                 .code           = KEY_UP,
 347                 .gpio           = AT91_PIN_PB16,
 348                 .active_low     = 1,
 349                 .desc           = "Joystick Up",
 350         },
 351         {
 352                 .code           = KEY_DOWN,
 353                 .gpio           = AT91_PIN_PB17,
 354                 .active_low     = 1,
 355                 .desc           = "Joystick Down",
 356         },
 357         {
 358                 .code           = KEY_ENTER,
 359                 .gpio           = AT91_PIN_PB18,
 360                 .active_low     = 1,
 361                 .desc           = "Joystick Press",
 362         },
 363 };
 364
 365 static struct gpio_keys_platform_data ek_button_data = {
 366         .buttons        = ek_buttons,
 367         .nbuttons       = ARRAY_SIZE(ek_buttons),
 368 };
 369
 370 static struct platform_device ek_button_device = {
 371         .name           = "gpio-keys",
 372         .id             = -1,
 373         .num_resources  = 0,
 374         .dev            = {
 375                 .platform_data  = &ek_button_data,
 376         }
 377 };
 378
 379 static void __init ek_add_device_buttons(void)
 380 {
 381         int i;
 382
 383         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 384                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 385                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 386         }
 387
 388         platform_device_register(&ek_button_device);
 389 }
 390 #else
 391 static void __init ek_add_device_buttons(void) {}
 392 #endif
 393
 394
 395 /*
 396  * AC97
 397  * reset_pin is not connected: NRST
 398  */
 399 static struct ac97c_platform_data ek_ac97_data = {
 400         .reset_pin      = -EINVAL,
 401 };
 402
 403
 404 /*
 405  * LEDs ... these could all be PWM-driven, for variable brightness
 406  */
 407 static struct gpio_led ek_leds[] = {
 408         {       /* "top" led, red, powerled */
 409                 .name                   = "d8",
 410                 .gpio                   = AT91_PIN_PD30,
 411                 .default_trigger        = "heartbeat",
 412         },
 413         {       /* "left" led, green, userled2, pwm3 */
 414                 .name                   = "d6",
 415                 .gpio                   = AT91_PIN_PD0,
 416                 .active_low             = 1,
 417                 .default_trigger        = "nand-disk",
 418         },
 419 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 420         {       /* "right" led, green, userled1, pwm1 */
 421                 .name                   = "d7",
 422                 .gpio                   = AT91_PIN_PD31,
 423                 .active_low             = 1,
 424                 .default_trigger        = "mmc0",
 425         },
 426 #endif
 427 };
 428
 429
 430 /*
 431  * PWM Leds
 432  */
 433 static struct gpio_led ek_pwm_led[] = {
 434 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 435         {       /* "right" led, green, userled1, pwm1 */
 436                 .name                   = "d7",
 437                 .gpio                   = 1,    /* is PWM channel number */
 438                 .active_low             = 1,
 439                 .default_trigger        = "none",
 440         },
 441 #endif
 442 };
 443
 444 static struct platform_device *devices[] __initdata = {
 445 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 446         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 447         &isi_ov2640,
 448 #endif
 449 };
 450
 451 static void __init ek_board_init(void)
 452 {
 453         /* Serial */
 454         /* DGBU on ttyS0. (Rx & Tx only) */
 455         at91_register_uart(0, 0, 0);
 456
 457         /* USART0 not connected on the -EK board */
 458         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
 459         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
 460         at91_add_device_serial();
 461         /* USB HS Host */
 462         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 463         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 464         /* USB HS Device */
 465         at91_add_device_usba(&ek_usba_udc_data);
 466         /* SPI */
 467         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 468         /* MMC */
 469         at91_add_device_mci(0, &mci0_data);
 470         at91_add_device_mci(1, &mci1_data);
 471         /* Ethernet */
 472         at91_add_device_eth(&ek_macb_data);
 473         /* NAND */
 474         ek_add_device_nand();
 475         /* I2C */
 476         at91_add_device_i2c(0, NULL, 0);
 477         /* ISI, using programmable clock as ISI_MCK */
 478         at91_add_device_isi(&isi_data, true);
 479         /* LCD Controller */
 480         at91_add_device_lcdc(&ek_lcdc_data);
 481         /* ADC and touchscreen */
 482         at91_add_device_adc(&ek_adc_data);
 483         /* Push Buttons */
 484         ek_add_device_buttons();
 485         /* AC97 */
 486         at91_add_device_ac97(&ek_ac97_data);
 487         /* LEDs */
 488         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 489         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 490         /* Other platform devices */
 491         platform_add_devices(devices, ARRAY_SIZE(devices));
 492 }
 493
 494 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 495         /* Maintainer: Atmel */
 496         .init_time      = at91sam926x_pit_init,
 497         .map_io         = at91_map_io,
 498         .handle_irq     = at91_aic_handle_irq,
 499         .init_early     = ek_init_early,
 500         .init_irq       = at91_init_irq_default,
 501         .init_machine   = ek_board_init,
 502 MACHINE_END