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
  54
  55 static void __init ek_init_early(void)
  56 {
  57         /* Initialize processor: 12.000 MHz crystal */
  58         at91_initialize(12000000);
  59 }
  60
  61 /*
  62  * USB HS Host port (common to OHCI & EHCI)
  63  */
  64 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  65         .ports          = 2,
  66         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  67         .vbus_pin_active_low = {1, 1},
  68         .overcurrent_pin= {-EINVAL, -EINVAL},
  69 };
  70
  71
  72 /*
  73  * USB HS Device port
  74  */
  75 static struct usba_platform_data __initdata ek_usba_udc_data = {
  76         .vbus_pin       = AT91_PIN_PB19,
  77 };
  78
  79
  80 /*
  81  * SPI devices.
  82  */
  83 static struct spi_board_info ek_spi_devices[] = {
  84         {       /* DataFlash chip */
  85                 .modalias       = "mtd_dataflash",
  86                 .chip_select    = 0,
  87                 .max_speed_hz   = 15 * 1000 * 1000,
  88                 .bus_num        = 0,
  89         },
  90 };
  91
  92
  93 /*
  94  * MCI (SD/MMC)
  95  */
  96 static struct mci_platform_data __initdata mci0_data = {
  97         .slot[0] = {
  98                 .bus_width      = 4,
  99                 .detect_pin     = AT91_PIN_PD10,
 100                 .wp_pin         = -EINVAL,
 101         },
 102 };
 103
 104 static struct mci_platform_data __initdata mci1_data = {
 105         .slot[0] = {
 106                 .bus_width      = 4,
 107                 .detect_pin     = AT91_PIN_PD11,
 108                 .wp_pin         = AT91_PIN_PD29,
 109         },
 110 };
 111
 112
 113 /*
 114  * MACB Ethernet device
 115  */
 116 static struct macb_platform_data __initdata ek_macb_data = {
 117         .phy_irq_pin    = AT91_PIN_PD5,
 118         .is_rmii        = 1,
 119 };
 120
 121
 122 /*
 123  * NAND flash
 124  */
 125 static struct mtd_partition __initdata ek_nand_partition[] = {
 126         {
 127                 .name   = "Partition 1",
 128                 .offset = 0,
 129                 .size   = SZ_64M,
 130         },
 131         {
 132                 .name   = "Partition 2",
 133                 .offset = MTDPART_OFS_NXTBLK,
 134                 .size   = MTDPART_SIZ_FULL,
 135         },
 136 };
 137
 138 /* det_pin is not connected */
 139 static struct atmel_nand_data __initdata ek_nand_data = {
 140         .ale            = 21,
 141         .cle            = 22,
 142         .rdy_pin        = AT91_PIN_PC8,
 143         .enable_pin     = AT91_PIN_PC14,
 144         .det_pin        = -EINVAL,
 145         .ecc_mode       = NAND_ECC_SOFT,
 146         .on_flash_bbt   = 1,
 147         .parts          = ek_nand_partition,
 148         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 149 };
 150
 151 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 152         .ncs_read_setup         = 0,
 153         .nrd_setup              = 2,
 154         .ncs_write_setup        = 0,
 155         .nwe_setup              = 2,
 156
 157         .ncs_read_pulse         = 4,
 158         .nrd_pulse              = 4,
 159         .ncs_write_pulse        = 4,
 160         .nwe_pulse              = 4,
 161
 162         .read_cycle             = 7,
 163         .write_cycle            = 7,
 164
 165         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 166         .tdf_cycles             = 3,
 167 };
 168
 169 static void __init ek_add_device_nand(void)
 170 {
 171         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 172         /* setup bus-width (8 or 16) */
 173         if (ek_nand_data.bus_width_16)
 174                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 175         else
 176                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 177
 178         /* configure chip-select 3 (NAND) */
 179         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 180
 181         at91_add_device_nand(&ek_nand_data);
 182 }
 183
 184
 185 /*
 186  *  ISI
 187  */
 188 static struct isi_platform_data __initdata isi_data = {
 189         .frate                  = ISI_CFG1_FRATE_CAPTURE_ALL,
 190         /* to use codec and preview path simultaneously */
 191         .full_mode              = 1,
 192         .data_width_flags       = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
 193         /* ISI_MCK is provided by programmable clock or external clock */
 194         .mck_hz                 = 25000000,
 195 };
 196
 197
 198 /*
 199  * soc-camera OV2640
 200  */
 201 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 202         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 203 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
 204 {
 205         /* ISI board for ek using default 8-bits connection */
 206         return SOCAM_DATAWIDTH_8;
 207 }
 208
 209 static int i2c_camera_power(struct device *dev, int on)
 210 {
 211         /* enable or disable the camera */
 212         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 213         at91_set_gpio_output(AT91_PIN_PD13, !on);
 214
 215         if (!on)
 216                 goto out;
 217
 218         /* If enabled, give a reset impulse */
 219         at91_set_gpio_output(AT91_PIN_PD12, 0);
 220         msleep(20);
 221         at91_set_gpio_output(AT91_PIN_PD12, 1);
 222         msleep(100);
 223
 224 out:
 225         return 0;
 226 }
 227
 228 static struct i2c_board_info i2c_camera = {
 229         I2C_BOARD_INFO("ov2640", 0x30),
 230 };
 231
 232 static struct soc_camera_link iclink_ov2640 = {
 233         .bus_id                 = 0,
 234         .board_info             = &i2c_camera,
 235         .i2c_adapter_id         = 0,
 236         .power                  = i2c_camera_power,
 237         .query_bus_param        = isi_camera_query_bus_param,
 238 };
 239
 240 static struct platform_device isi_ov2640 = {
 241         .name   = "soc-camera-pdrv",
 242         .id     = 0,
 243         .dev    = {
 244                 .platform_data = &iclink_ov2640,
 245         },
 246 };
 247 #endif
 248
 249
 250 /*
 251  * LCD Controller
 252  */
 253 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 254 static struct fb_videomode at91_tft_vga_modes[] = {
 255         {
 256                 .name           = "LG",
 257                 .refresh        = 60,
 258                 .xres           = 480,          .yres           = 272,
 259                 .pixclock       = KHZ2PICOS(9000),
 260
 261                 .left_margin    = 1,            .right_margin   = 1,
 262                 .upper_margin   = 40,           .lower_margin   = 1,
 263                 .hsync_len      = 45,           .vsync_len      = 1,
 264
 265                 .sync           = 0,
 266                 .vmode          = FB_VMODE_NONINTERLACED,
 267         },
 268 };
 269
 270 static struct fb_monspecs at91fb_default_monspecs = {
 271         .manufacturer   = "LG",
 272         .monitor        = "LB043WQ1",
 273
 274         .modedb         = at91_tft_vga_modes,
 275         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 276         .hfmin          = 15000,
 277         .hfmax          = 17640,
 278         .vfmin          = 57,
 279         .vfmax          = 67,
 280 };
 281
 282 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 283                                         | ATMEL_LCDC_DISTYPE_TFT \
 284                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 285
 286 /* Driver datas */
 287 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
 288         .lcdcon_is_backlight            = true,
 289         .default_bpp                    = 32,
 290         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 291         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 292         .default_monspecs               = &at91fb_default_monspecs,
 293         .guard_time                     = 9,
 294         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 295 };
 296
 297 #else
 298 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
 299 #endif
 300
 301
 302 /*
 303  * Touchscreen
 304  */
 305 static struct at91_tsadcc_data ek_tsadcc_data = {
 306         .adc_clock              = 300000,
 307         .pendet_debounce        = 0x0d,
 308         .ts_sample_hold_time    = 0x0a,
 309 };
 310
 311 /*
 312  * ADCs
 313  */
 314 static struct at91_adc_data ek_adc_data = {
 315         .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
 316         .use_external_triggers = true,
 317         .vref = 3300,
 318 };
 319
 320 /*
 321  * GPIO Buttons
 322  */
 323 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 324 static struct gpio_keys_button ek_buttons[] = {
 325         {       /* BP1, "leftclic" */
 326                 .code           = BTN_LEFT,
 327                 .gpio           = AT91_PIN_PB6,
 328                 .active_low     = 1,
 329                 .desc           = "left_click",
 330                 .wakeup         = 1,
 331         },
 332         {       /* BP2, "rightclic" */
 333                 .code           = BTN_RIGHT,
 334                 .gpio           = AT91_PIN_PB7,
 335                 .active_low     = 1,
 336                 .desc           = "right_click",
 337                 .wakeup         = 1,
 338         },
 339                 /* BP3, "joystick" */
 340         {
 341                 .code           = KEY_LEFT,
 342                 .gpio           = AT91_PIN_PB14,
 343                 .active_low     = 1,
 344                 .desc           = "Joystick Left",
 345         },
 346         {
 347                 .code           = KEY_RIGHT,
 348                 .gpio           = AT91_PIN_PB15,
 349                 .active_low     = 1,
 350                 .desc           = "Joystick Right",
 351         },
 352         {
 353                 .code           = KEY_UP,
 354                 .gpio           = AT91_PIN_PB16,
 355                 .active_low     = 1,
 356                 .desc           = "Joystick Up",
 357         },
 358         {
 359                 .code           = KEY_DOWN,
 360                 .gpio           = AT91_PIN_PB17,
 361                 .active_low     = 1,
 362                 .desc           = "Joystick Down",
 363         },
 364         {
 365                 .code           = KEY_ENTER,
 366                 .gpio           = AT91_PIN_PB18,
 367                 .active_low     = 1,
 368                 .desc           = "Joystick Press",
 369         },
 370 };
 371
 372 static struct gpio_keys_platform_data ek_button_data = {
 373         .buttons        = ek_buttons,
 374         .nbuttons       = ARRAY_SIZE(ek_buttons),
 375 };
 376
 377 static struct platform_device ek_button_device = {
 378         .name           = "gpio-keys",
 379         .id             = -1,
 380         .num_resources  = 0,
 381         .dev            = {
 382                 .platform_data  = &ek_button_data,
 383         }
 384 };
 385
 386 static void __init ek_add_device_buttons(void)
 387 {
 388         int i;
 389
 390         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 391                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 392                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 393         }
 394
 395         platform_device_register(&ek_button_device);
 396 }
 397 #else
 398 static void __init ek_add_device_buttons(void) {}
 399 #endif
 400
 401
 402 /*
 403  * AC97
 404  * reset_pin is not connected: NRST
 405  */
 406 static struct ac97c_platform_data ek_ac97_data = {
 407         .reset_pin      = -EINVAL,
 408 };
 409
 410
 411 /*
 412  * LEDs ... these could all be PWM-driven, for variable brightness
 413  */
 414 static struct gpio_led ek_leds[] = {
 415         {       /* "top" led, red, powerled */
 416                 .name                   = "d8",
 417                 .gpio                   = AT91_PIN_PD30,
 418                 .default_trigger        = "heartbeat",
 419         },
 420         {       /* "left" led, green, userled2, pwm3 */
 421                 .name                   = "d6",
 422                 .gpio                   = AT91_PIN_PD0,
 423                 .active_low             = 1,
 424                 .default_trigger        = "nand-disk",
 425         },
 426 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 427         {       /* "right" led, green, userled1, pwm1 */
 428                 .name                   = "d7",
 429                 .gpio                   = AT91_PIN_PD31,
 430                 .active_low             = 1,
 431                 .default_trigger        = "mmc0",
 432         },
 433 #endif
 434 };
 435
 436
 437 /*
 438  * PWM Leds
 439  */
 440 static struct gpio_led ek_pwm_led[] = {
 441 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 442         {       /* "right" led, green, userled1, pwm1 */
 443                 .name                   = "d7",
 444                 .gpio                   = 1,    /* is PWM channel number */
 445                 .active_low             = 1,
 446                 .default_trigger        = "none",
 447         },
 448 #endif
 449 };
 450
 451 static struct platform_device *devices[] __initdata = {
 452 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
 453         defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
 454         &isi_ov2640,
 455 #endif
 456 };
 457
 458 static void __init ek_board_init(void)
 459 {
 460         /* Serial */
 461         /* DGBU on ttyS0. (Rx & Tx only) */
 462         at91_register_uart(0, 0, 0);
 463
 464         /* USART0 not connected on the -EK board */
 465         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
 466         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
 467         at91_add_device_serial();
 468         /* USB HS Host */
 469         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 470         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 471         /* USB HS Device */
 472         at91_add_device_usba(&ek_usba_udc_data);
 473         /* SPI */
 474         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 475         /* MMC */
 476         at91_add_device_mci(0, &mci0_data);
 477         at91_add_device_mci(1, &mci1_data);
 478         /* Ethernet */
 479         at91_add_device_eth(&ek_macb_data);
 480         /* NAND */
 481         ek_add_device_nand();
 482         /* I2C */
 483         at91_add_device_i2c(0, NULL, 0);
 484         /* ISI, using programmable clock as ISI_MCK */
 485         at91_add_device_isi(&isi_data, true);
 486         /* LCD Controller */
 487         at91_add_device_lcdc(&ek_lcdc_data);
 488         /* Touch Screen */
 489         at91_add_device_tsadcc(&ek_tsadcc_data);
 490         /* ADC */
 491         at91_add_device_adc(&ek_adc_data);
 492         /* Push Buttons */
 493         ek_add_device_buttons();
 494         /* AC97 */
 495         at91_add_device_ac97(&ek_ac97_data);
 496         /* LEDs */
 497         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 498         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 499         /* Other platform devices */
 500         platform_add_devices(devices, ARRAY_SIZE(devices));
 501 }
 502
 503 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 504         /* Maintainer: Atmel */
 505         .init_time      = at91sam926x_pit_init,
 506         .map_io         = at91_map_io,
 507         .handle_irq     = at91_aic_handle_irq,
 508         .init_early     = ek_init_early,
 509         .init_irq       = at91_init_irq_default,
 510         .init_machine   = ek_board_init,
 511 MACHINE_END