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/clk.h>
  28 #include <linux/atmel-mci.h>
  29
  30 #include <mach/hardware.h>
  31 #include <video/atmel_lcdc.h>
  32
  33 #include <asm/setup.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/irq.h>
  40
  41 #include <mach/board.h>
  42 #include <mach/at91sam9_smc.h>
  43 #include <mach/at91_shdwc.h>
  44 #include <mach/system_rev.h>
  45
  46 #include "sam9_smc.h"
  47 #include "generic.h"
  48
  49
  50 static void __init ek_init_early(void)
  51 {
  52         /* Initialize processor: 12.000 MHz crystal */
  53         at91_initialize(12000000);
  54
  55         /* DGBU on ttyS0. (Rx & Tx only) */
  56         at91_register_uart(0, 0, 0);
  57
  58         /* USART0 not connected on the -EK board */
  59         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  60         at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  61
  62         /* set serial console to ttyS0 (ie, DBGU) */
  63         at91_set_serial_console(0);
  64 }
  65
  66 /*
  67  * USB HS Host port (common to OHCI & EHCI)
  68  */
  69 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
  70         .ports          = 2,
  71         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
  72         .overcurrent_pin= {-EINVAL, -EINVAL},
  73 };
  74
  75
  76 /*
  77  * USB HS Device port
  78  */
  79 static struct usba_platform_data __initdata ek_usba_udc_data = {
  80         .vbus_pin       = AT91_PIN_PB19,
  81 };
  82
  83
  84 /*
  85  * SPI devices.
  86  */
  87 static struct spi_board_info ek_spi_devices[] = {
  88         {       /* DataFlash chip */
  89                 .modalias       = "mtd_dataflash",
  90                 .chip_select    = 0,
  91                 .max_speed_hz   = 15 * 1000 * 1000,
  92                 .bus_num        = 0,
  93         },
  94 };
  95
  96
  97 /*
  98  * MCI (SD/MMC)
  99  */
 100 static struct mci_platform_data __initdata mci0_data = {
 101         .slot[0] = {
 102                 .bus_width      = 4,
 103                 .detect_pin     = AT91_PIN_PD10,
 104                 .wp_pin         = -EINVAL,
 105         },
 106 };
 107
 108 static struct mci_platform_data __initdata mci1_data = {
 109         .slot[0] = {
 110                 .bus_width      = 4,
 111                 .detect_pin     = AT91_PIN_PD11,
 112                 .wp_pin         = AT91_PIN_PD29,
 113         },
 114 };
 115
 116
 117 /*
 118  * MACB Ethernet device
 119  */
 120 static struct macb_platform_data __initdata ek_macb_data = {
 121         .phy_irq_pin    = AT91_PIN_PD5,
 122         .is_rmii        = 1,
 123 };
 124
 125
 126 /*
 127  * NAND flash
 128  */
 129 static struct mtd_partition __initdata ek_nand_partition[] = {
 130         {
 131                 .name   = "Partition 1",
 132                 .offset = 0,
 133                 .size   = SZ_64M,
 134         },
 135         {
 136                 .name   = "Partition 2",
 137                 .offset = MTDPART_OFS_NXTBLK,
 138                 .size   = MTDPART_SIZ_FULL,
 139         },
 140 };
 141
 142 /* det_pin is not connected */
 143 static struct atmel_nand_data __initdata ek_nand_data = {
 144         .ale            = 21,
 145         .cle            = 22,
 146         .rdy_pin        = AT91_PIN_PC8,
 147         .enable_pin     = AT91_PIN_PC14,
 148         .det_pin        = -EINVAL,
 149         .parts          = ek_nand_partition,
 150         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 151 };
 152
 153 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 154         .ncs_read_setup         = 0,
 155         .nrd_setup              = 2,
 156         .ncs_write_setup        = 0,
 157         .nwe_setup              = 2,
 158
 159         .ncs_read_pulse         = 4,
 160         .nrd_pulse              = 4,
 161         .ncs_write_pulse        = 4,
 162         .nwe_pulse              = 4,
 163
 164         .read_cycle             = 7,
 165         .write_cycle            = 7,
 166
 167         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 168         .tdf_cycles             = 3,
 169 };
 170
 171 static void __init ek_add_device_nand(void)
 172 {
 173         ek_nand_data.bus_width_16 = board_have_nand_16bit();
 174         /* setup bus-width (8 or 16) */
 175         if (ek_nand_data.bus_width_16)
 176                 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
 177         else
 178                 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
 179
 180         /* configure chip-select 3 (NAND) */
 181         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 182
 183         at91_add_device_nand(&ek_nand_data);
 184 }
 185
 186
 187 /*
 188  * LCD Controller
 189  */
 190 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 191 static struct fb_videomode at91_tft_vga_modes[] = {
 192         {
 193                 .name           = "LG",
 194                 .refresh        = 60,
 195                 .xres           = 480,          .yres           = 272,
 196                 .pixclock       = KHZ2PICOS(9000),
 197
 198                 .left_margin    = 1,            .right_margin   = 1,
 199                 .upper_margin   = 40,           .lower_margin   = 1,
 200                 .hsync_len      = 45,           .vsync_len      = 1,
 201
 202                 .sync           = 0,
 203                 .vmode          = FB_VMODE_NONINTERLACED,
 204         },
 205 };
 206
 207 static struct fb_monspecs at91fb_default_monspecs = {
 208         .manufacturer   = "LG",
 209         .monitor        = "LB043WQ1",
 210
 211         .modedb         = at91_tft_vga_modes,
 212         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
 213         .hfmin          = 15000,
 214         .hfmax          = 17640,
 215         .vfmin          = 57,
 216         .vfmax          = 67,
 217 };
 218
 219 #define AT91SAM9G45_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
 220                                         | ATMEL_LCDC_DISTYPE_TFT \
 221                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
 222
 223 /* Driver datas */
 224 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
 225         .lcdcon_is_backlight            = true,
 226         .default_bpp                    = 32,
 227         .default_dmacon                 = ATMEL_LCDC_DMAEN,
 228         .default_lcdcon2                = AT91SAM9G45_DEFAULT_LCDCON2,
 229         .default_monspecs               = &at91fb_default_monspecs,
 230         .guard_time                     = 9,
 231         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 232 };
 233
 234 #else
 235 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 236 #endif
 237
 238
 239 /*
 240  * Touchscreen
 241  */
 242 static struct at91_tsadcc_data ek_tsadcc_data = {
 243         .adc_clock              = 300000,
 244         .pendet_debounce        = 0x0d,
 245         .ts_sample_hold_time    = 0x0a,
 246 };
 247
 248
 249 /*
 250  * GPIO Buttons
 251  */
 252 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 253 static struct gpio_keys_button ek_buttons[] = {
 254         {       /* BP1, "leftclic" */
 255                 .code           = BTN_LEFT,
 256                 .gpio           = AT91_PIN_PB6,
 257                 .active_low     = 1,
 258                 .desc           = "left_click",
 259                 .wakeup         = 1,
 260         },
 261         {       /* BP2, "rightclic" */
 262                 .code           = BTN_RIGHT,
 263                 .gpio           = AT91_PIN_PB7,
 264                 .active_low     = 1,
 265                 .desc           = "right_click",
 266                 .wakeup         = 1,
 267         },
 268                 /* BP3, "joystick" */
 269         {
 270                 .code           = KEY_LEFT,
 271                 .gpio           = AT91_PIN_PB14,
 272                 .active_low     = 1,
 273                 .desc           = "Joystick Left",
 274         },
 275         {
 276                 .code           = KEY_RIGHT,
 277                 .gpio           = AT91_PIN_PB15,
 278                 .active_low     = 1,
 279                 .desc           = "Joystick Right",
 280         },
 281         {
 282                 .code           = KEY_UP,
 283                 .gpio           = AT91_PIN_PB16,
 284                 .active_low     = 1,
 285                 .desc           = "Joystick Up",
 286         },
 287         {
 288                 .code           = KEY_DOWN,
 289                 .gpio           = AT91_PIN_PB17,
 290                 .active_low     = 1,
 291                 .desc           = "Joystick Down",
 292         },
 293         {
 294                 .code           = KEY_ENTER,
 295                 .gpio           = AT91_PIN_PB18,
 296                 .active_low     = 1,
 297                 .desc           = "Joystick Press",
 298         },
 299 };
 300
 301 static struct gpio_keys_platform_data ek_button_data = {
 302         .buttons        = ek_buttons,
 303         .nbuttons       = ARRAY_SIZE(ek_buttons),
 304 };
 305
 306 static struct platform_device ek_button_device = {
 307         .name           = "gpio-keys",
 308         .id             = -1,
 309         .num_resources  = 0,
 310         .dev            = {
 311                 .platform_data  = &ek_button_data,
 312         }
 313 };
 314
 315 static void __init ek_add_device_buttons(void)
 316 {
 317         int i;
 318
 319         for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
 320                 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
 321                 at91_set_deglitch(ek_buttons[i].gpio, 1);
 322         }
 323
 324         platform_device_register(&ek_button_device);
 325 }
 326 #else
 327 static void __init ek_add_device_buttons(void) {}
 328 #endif
 329
 330
 331 /*
 332  * AC97
 333  * reset_pin is not connected: NRST
 334  */
 335 static struct ac97c_platform_data ek_ac97_data = {
 336         .reset_pin      = -EINVAL,
 337 };
 338
 339
 340 /*
 341  * LEDs ... these could all be PWM-driven, for variable brightness
 342  */
 343 static struct gpio_led ek_leds[] = {
 344         {       /* "top" led, red, powerled */
 345                 .name                   = "d8",
 346                 .gpio                   = AT91_PIN_PD30,
 347                 .default_trigger        = "heartbeat",
 348         },
 349         {       /* "left" led, green, userled2, pwm3 */
 350                 .name                   = "d6",
 351                 .gpio                   = AT91_PIN_PD0,
 352                 .active_low             = 1,
 353                 .default_trigger        = "nand-disk",
 354         },
 355 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
 356         {       /* "right" led, green, userled1, pwm1 */
 357                 .name                   = "d7",
 358                 .gpio                   = AT91_PIN_PD31,
 359                 .active_low             = 1,
 360                 .default_trigger        = "mmc0",
 361         },
 362 #endif
 363 };
 364
 365
 366 /*
 367  * PWM Leds
 368  */
 369 static struct gpio_led ek_pwm_led[] = {
 370 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
 371         {       /* "right" led, green, userled1, pwm1 */
 372                 .name                   = "d7",
 373                 .gpio                   = 1,    /* is PWM channel number */
 374                 .active_low             = 1,
 375                 .default_trigger        = "none",
 376         },
 377 #endif
 378 };
 379
 380
 381
 382 static void __init ek_board_init(void)
 383 {
 384         /* Serial */
 385         at91_add_device_serial();
 386         /* USB HS Host */
 387         at91_add_device_usbh_ohci(&ek_usbh_hs_data);
 388         at91_add_device_usbh_ehci(&ek_usbh_hs_data);
 389         /* USB HS Device */
 390         at91_add_device_usba(&ek_usba_udc_data);
 391         /* SPI */
 392         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 393         /* MMC */
 394         at91_add_device_mci(0, &mci0_data);
 395         at91_add_device_mci(1, &mci1_data);
 396         /* Ethernet */
 397         at91_add_device_eth(&ek_macb_data);
 398         /* NAND */
 399         ek_add_device_nand();
 400         /* I2C */
 401         at91_add_device_i2c(0, NULL, 0);
 402         /* LCD Controller */
 403         at91_add_device_lcdc(&ek_lcdc_data);
 404         /* Touch Screen */
 405         at91_add_device_tsadcc(&ek_tsadcc_data);
 406         /* Push Buttons */
 407         ek_add_device_buttons();
 408         /* AC97 */
 409         at91_add_device_ac97(&ek_ac97_data);
 410         /* LEDs */
 411         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 412         at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
 413 }
 414
 415 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 416         /* Maintainer: Atmel */
 417         .timer          = &at91sam926x_timer,
 418         .map_io         = at91_map_io,
 419         .init_early     = ek_init_early,
 420         .init_irq       = at91_init_irq_default,
 421         .init_machine   = ek_board_init,
 422 MACHINE_END