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/board.h>
  46 #include <mach/at91sam9_smc.h>
  47 #include <mach/at91_shdwc.h>
  48 #include <mach/system_rev.h>
  49
  50 #include "sam9_smc.h"
  51 #include "generic.h"
  52
  53
  54 static void __init ek_init_early(void)
  55 {
  56         /* Initialize processor: 12.000 MHz crystal */
  57         at91_initialize(12000000);
  58 }
  59
  60 /*
  61  * USB HS Host port (common to OHCI & EHCI)
  62  */
  63 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  64         .ports          = 2,
  65         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  66         .vbus_pin_active_low = {1, 1},
  67         .overcurrent_pin= {-EINVAL, -EINVAL},
  68 };
  69
  70
  71 /*
  72  * USB HS Device port
  73  */
  74 static struct usba_platform_data __initdata ek_usba_udc_data = {
  75         .vbus_pin       = AT91_PIN_PB19,
  76 };
  77
  78
  79 /*
  80  * SPI devices.
  81  */
  82 static struct spi_board_info ek_spi_devices[] = {
  83         {       /* DataFlash chip */
  84                 .modalias       = "mtd_dataflash",
  85                 .chip_select    = 0,
  86                 .max_speed_hz   = 15 * 1000 * 1000,
  87                 .bus_num        = 0,
  88         },
  89 };
  90
  91
  92 /*
  93  * MCI (SD/MMC)
  94  */
  95 static struct mci_platform_data __initdata mci0_data = {
  96         .slot[0] = {
  97                 .bus_width      = 4,
  98                 .detect_pin     = AT91_PIN_PD10,
  99                 .wp_pin         = -EINVAL,
 100         },
 101 };
 102
 103 static struct mci_platform_data __initdata mci1_data = {
 104         .slot[0] = {
 105                 .bus_width      = 4,
 106                 .detect_pin     = AT91_PIN_PD11,
 107                 .wp_pin         = AT91_PIN_PD29,
 108         },
 109 };
 110
 111
 112 /*
 113  * MACB Ethernet device
 114  */
 115 static struct macb_platform_data __initdata ek_macb_data = {
 116         .phy_irq_pin    = AT91_PIN_PD5,
 117         .is_rmii        = 1,
 118 };
 119
 120
 121 /*
 122  * NAND flash
 123  */
 124 static struct mtd_partition __initdata ek_nand_partition[] = {
 125         {
 126                 .name   = "Partition 1",
 127                 .offset = 0,
 128                 .size   = SZ_64M,
 129         },
 130         {
 131                 .name   = "Partition 2",
 132                 .offset = MTDPART_OFS_NXTBLK,
 133                 .size   = MTDPART_SIZ_FULL,
 134         },
 135 };
 136
 137 /* det_pin is not connected */
 138 static struct atmel_nand_data __initdata ek_nand_data = {
 139         .ale            = 21,
 140         .cle            = 22,
 141         .rdy_pin        = AT91_PIN_PC8,
 142         .enable_pin     = AT91_PIN_PC14,
 143         .det_pin        = -EINVAL,
 144         .ecc_mode       = NAND_ECC_SOFT,
 145         .on_flash_bbt   = 1,
 146         .parts          = ek_nand_partition,
 147         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 148 };
 149
 150 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 151         .ncs_read_setup         = 0,
 152         .nrd_setup              = 2,
 153         .ncs_write_setup        = 0,
 154         .nwe_setup              = 2,
 155
 156         .ncs_read_pulse         = 4,
 157         .nrd_pulse              = 4,
 158         .ncs_write_pulse        = 4,
 159         .nwe_pulse              = 4,
 160
 161         .read_cycle             = 7,
 162         .write_cycle            = 7,
 163
 164         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 165         .tdf_cycles             = 3,
 166 };
 167
 168 static void __init ek_add_device_nand(void)
 169 {
 170         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 171         /* setup bus-width (8 or 16) */
 172         if (ek_nand_data.bus_width_16)
 173                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 174         else
 175                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 176
 177         /* configure chip-select 3 (NAND) */
 178         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 179
 180         at91_add_device_nand(&ek_nand_data);
 181 }
 182
 183
 184 /*
 185  *  ISI
 186  */
 187 static struct isi_platform_data __initdata isi_data = {
 188         .frate                  = ISI_CFG1_FRATE_CAPTURE_ALL,
 189         /* to use codec and preview path simultaneously */
 190         .full_mode              = 1,
 191         .data_width_flags       = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
 192         /* ISI_MCK is provided by programmable clock or external clock */
 193         .mck_hz                 = 25000000,
 194 };
 195
 196
 197 /*
 198  * soc-camera OV2640
 199  */
 200 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 201         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 202 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
 203 {
 204         /* ISI board for ek using default 8-bits connection */
 205         return SOCAM_DATAWIDTH_8;
 206 }
 207
 208 static int i2c_camera_power(struct device *dev, int on)
 209 {
 210         /* enable or disable the camera */
 211         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 212         at91_set_gpio_output(AT91_PIN_PD13, !on);
 213
 214         if (!on)
 215                 goto out;
 216
 217         /* If enabled, give a reset impulse */
 218         at91_set_gpio_output(AT91_PIN_PD12, 0);
 219         msleep(20);
 220         at91_set_gpio_output(AT91_PIN_PD12, 1);
 221         msleep(100);
 222
 223 out:
 224         return 0;
 225 }
 226
 227 static struct i2c_board_info i2c_camera = {
 228         I2C_BOARD_INFO("ov2640", 0x30),
 229 };
 230
 231 static struct soc_camera_link iclink_ov2640 = {
 232         .bus_id                 = 0,
 233         .board_info             = &i2c_camera,
 234         .i2c_adapter_id         = 0,
 235         .power                  = i2c_camera_power,
 236         .query_bus_param        = isi_camera_query_bus_param,
 237 };
 238
 239 static struct platform_device isi_ov2640 = {
 240         .name   = "soc-camera-pdrv",
 241         .id     = 0,
 242         .dev    = {
 243                 .platform_data = &iclink_ov2640,
 244         },
 245 };
 246 #endif
 247
 248
 249 /*
 250  * LCD Controller
 251  */
 252 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 253 static struct fb_videomode at91_tft_vga_modes[] = {
 254         {
 255                 .name           = "LG",
 256                 .refresh        = 60,
 257                 .xres           = 480,          .yres           = 272,
 258                 .pixclock       = KHZ2PICOS(9000),
 259
 260                 .left_margin    = 1,            .right_margin   = 1,
 261                 .upper_margin   = 40,           .lower_margin   = 1,
 262                 .hsync_len      = 45,           .vsync_len      = 1,
 263
 264                 .sync           = 0,
 265                 .vmode          = FB_VMODE_NONINTERLACED,
 266         },
 267 };
 268
 269 static struct fb_monspecs at91fb_default_monspecs = {
 270         .manufacturer   = "LG",
 271         .monitor        = "LB043WQ1",
 272
 273         .modedb         = at91_tft_vga_modes,
 274         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 275         .hfmin          = 15000,
 276         .hfmax          = 17640,
 277         .vfmin          = 57,
 278         .vfmax          = 67,
 279 };
 280
 281 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 282                                         | ATMEL_LCDC_DISTYPE_TFT \
 283                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 284
 285 /* Driver datas */
 286 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 287         .lcdcon_is_backlight            = true,
 288         .default_bpp                    = 32,
 289         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 290         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 291         .default_monspecs               = &at91fb_default_monspecs,
 292         .guard_time                     = 9,
 293         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 294 };
 295
 296 #else
 297 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 298 #endif
 299
 300
 301 /*
 302  * Touchscreen
 303  */
 304 static struct at91_tsadcc_data ek_tsadcc_data = {
 305         .adc_clock              = 300000,
 306         .pendet_debounce        = 0x0d,
 307         .ts_sample_hold_time    = 0x0a,
 308 };
 309
 310 /*
 311  * ADCs
 312  */
 313 static struct at91_adc_data ek_adc_data = {
 314         .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
 315         .use_external_triggers = true,
 316         .vref = 3300,
 317 };
 318
 319 /*
 320  * GPIO Buttons
 321  */
 322 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 323 static struct gpio_keys_button ek_buttons[] = {
 324         {       /* BP1, "leftclic" */
 325                 .code           = BTN_LEFT,
 326                 .gpio           = AT91_PIN_PB6,
 327                 .active_low     = 1,
 328                 .desc           = "left_click",
 329                 .wakeup         = 1,
 330         },
 331         {       /* BP2, "rightclic" */
 332                 .code           = BTN_RIGHT,
 333                 .gpio           = AT91_PIN_PB7,
 334                 .active_low     = 1,
 335                 .desc           = "right_click",
 336                 .wakeup         = 1,
 337         },
 338                 /* BP3, "joystick" */
 339         {
 340                 .code           = KEY_LEFT,
 341                 .gpio           = AT91_PIN_PB14,
 342                 .active_low     = 1,
 343                 .desc           = "Joystick Left",
 344         },
 345         {
 346                 .code           = KEY_RIGHT,
 347                 .gpio           = AT91_PIN_PB15,
 348                 .active_low     = 1,
 349                 .desc           = "Joystick Right",
 350         },
 351         {
 352                 .code           = KEY_UP,
 353                 .gpio           = AT91_PIN_PB16,
 354                 .active_low     = 1,
 355                 .desc           = "Joystick Up",
 356         },
 357         {
 358                 .code           = KEY_DOWN,
 359                 .gpio           = AT91_PIN_PB17,
 360                 .active_low     = 1,
 361                 .desc           = "Joystick Down",
 362         },
 363         {
 364                 .code           = KEY_ENTER,
 365                 .gpio           = AT91_PIN_PB18,
 366                 .active_low     = 1,
 367                 .desc           = "Joystick Press",
 368         },
 369 };
 370
 371 static struct gpio_keys_platform_data ek_button_data = {
 372         .buttons        = ek_buttons,
 373         .nbuttons       = ARRAY_SIZE(ek_buttons),
 374 };
 375
 376 static struct platform_device ek_button_device = {
 377         .name           = "gpio-keys",
 378         .id             = -1,
 379         .num_resources  = 0,
 380         .dev            = {
 381                 .platform_data  = &ek_button_data,
 382         }
 383 };
 384
 385 static void __init ek_add_device_buttons(void)
 386 {
 387         int i;
 388
 389         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 390                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 391                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 392         }
 393
 394         platform_device_register(&ek_button_device);
 395 }
 396 #else
 397 static void __init ek_add_device_buttons(void) {}
 398 #endif
 399
 400
 401 /*
 402  * AC97
 403  * reset_pin is not connected: NRST
 404  */
 405 static struct ac97c_platform_data ek_ac97_data = {
 406         .reset_pin      = -EINVAL,
 407 };
 408
 409
 410 /*
 411  * LEDs ... these could all be PWM-driven, for variable brightness
 412  */
 413 static struct gpio_led ek_leds[] = {
 414         {       /* "top" led, red, powerled */
 415                 .name                   = "d8",
 416                 .gpio                   = AT91_PIN_PD30,
 417                 .default_trigger        = "heartbeat",
 418         },
 419         {       /* "left" led, green, userled2, pwm3 */
 420                 .name                   = "d6",
 421                 .gpio                   = AT91_PIN_PD0,
 422                 .active_low             = 1,
 423                 .default_trigger        = "nand-disk",
 424         },
 425 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 426         {       /* "right" led, green, userled1, pwm1 */
 427                 .name                   = "d7",
 428                 .gpio                   = AT91_PIN_PD31,
 429                 .active_low             = 1,
 430                 .default_trigger        = "mmc0",
 431         },
 432 #endif
 433 };
 434
 435
 436 /*
 437  * PWM Leds
 438  */
 439 static struct gpio_led ek_pwm_led[] = {
 440 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 441         {       /* "right" led, green, userled1, pwm1 */
 442                 .name                   = "d7",
 443                 .gpio                   = 1,    /* is PWM channel number */
 444                 .active_low             = 1,
 445                 .default_trigger        = "none",
 446         },
 447 #endif
 448 };
 449
 450 static struct platform_device *devices[] __initdata = {
 451 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 452         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 453         &isi_ov2640,
 454 #endif
 455 };
 456
 457 static void __init ek_board_init(void)
 458 {
 459         /* Serial */
 460         /* DGBU on ttyS0. (Rx & Tx only) */
 461         at91_register_uart(0, 0, 0);
 462
 463         /* USART0 not connected on the -EK board */
 464         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
 465         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
 466         at91_add_device_serial();
 467         /* USB HS Host */
 468         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 469         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 470         /* USB HS Device */
 471         at91_add_device_usba(&ek_usba_udc_data);
 472         /* SPI */
 473         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 474         /* MMC */
 475         at91_add_device_mci(0, &mci0_data);
 476         at91_add_device_mci(1, &mci1_data);
 477         /* Ethernet */
 478         at91_add_device_eth(&ek_macb_data);
 479         /* NAND */
 480         ek_add_device_nand();
 481         /* I2C */
 482         at91_add_device_i2c(0, NULL, 0);
 483         /* ISI, using programmable clock as ISI_MCK */
 484         at91_add_device_isi(&isi_data, true);
 485         /* LCD Controller */
 486         at91_add_device_lcdc(&ek_lcdc_data);
 487         /* Touch Screen */
 488         at91_add_device_tsadcc(&ek_tsadcc_data);
 489         /* ADC */
 490         at91_add_device_adc(&ek_adc_data);
 491         /* Push Buttons */
 492         ek_add_device_buttons();
 493         /* AC97 */
 494         at91_add_device_ac97(&ek_ac97_data);
 495         /* LEDs */
 496         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 497         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 498         /* Other platform devices */
 499         platform_add_devices(devices, ARRAY_SIZE(devices));
 500 }
 501
 502 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 503         /* Maintainer: Atmel */
 504         .timer          = &at91sam926x_timer,
 505         .map_io         = at91_map_io,
 506         .init_early     = ek_init_early,
 507         .init_irq       = at91_init_irq_default,
 508         .init_machine   = ek_board_init,
 509 MACHINE_END