arch/arm/mach-omap2/board-ldp.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-ldp.c
   3  *
   4  * Copyright (C) 2008 Texas Instruments Inc.
   5  * Nishant Kamat <nskamat@ti.com>
   6  *
   7  * Modified from mach-omap2/board-3430sdp.c
   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 version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13 #include <linux/gpio.h>
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/delay.h>
  18 #include <linux/input.h>
  19 #include <linux/input/matrix_keypad.h>
  20 #include <linux/gpio_keys.h>
  21 #include <linux/workqueue.h>
  22 #include <linux/err.h>
  23 #include <linux/clk.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/regulator/fixed.h>
  26 #include <linux/regulator/machine.h>
  27 #include <linux/i2c/twl.h>
  28 #include <linux/io.h>
  29 #include <linux/smsc911x.h>
  30 #include <linux/mmc/host.h>
  31 #include <linux/usb/phy.h>
  32 #include <linux/platform_data/spi-omap2-mcspi.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37
  38 #include "common.h"
  39 #include "board-zoom.h"
  40 #include "gpmc.h"
  41 #include "gpmc-smsc911x.h"
  42
  43 #include <video/omapdss.h>
  44 #include <video/omap-panel-generic-dpi.h>
  45
  46 #include "board-flash.h"
  47 #include "mux.h"
  48 #include "hsmmc.h"
  49 #include "control.h"
  50 #include "common-board-devices.h"
  51
  52 #define LDP_SMSC911X_CS         1
  53 #define LDP_SMSC911X_GPIO       152
  54 #define DEBUG_BASE              0x08000000
  55 #define LDP_ETHR_START          DEBUG_BASE
  56
  57 static uint32_t board_keymap[] = {
  58         KEY(0, 0, KEY_1),
  59         KEY(1, 0, KEY_2),
  60         KEY(2, 0, KEY_3),
  61         KEY(0, 1, KEY_4),
  62         KEY(1, 1, KEY_5),
  63         KEY(2, 1, KEY_6),
  64         KEY(3, 1, KEY_F5),
  65         KEY(0, 2, KEY_7),
  66         KEY(1, 2, KEY_8),
  67         KEY(2, 2, KEY_9),
  68         KEY(3, 2, KEY_F6),
  69         KEY(0, 3, KEY_F7),
  70         KEY(1, 3, KEY_0),
  71         KEY(2, 3, KEY_F8),
  72         PERSISTENT_KEY(4, 5),
  73         KEY(4, 4, KEY_VOLUMEUP),
  74         KEY(5, 5, KEY_VOLUMEDOWN),
  75         0
  76 };
  77
  78 static struct matrix_keymap_data board_map_data = {
  79         .keymap                 = board_keymap,
  80         .keymap_size            = ARRAY_SIZE(board_keymap),
  81 };
  82
  83 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
  84         .keymap_data    = &board_map_data,
  85         .rows           = 6,
  86         .cols           = 6,
  87         .rep            = 1,
  88 };
  89
  90 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
  91         [0] = {
  92                 .code                   = KEY_ENTER,
  93                 .gpio                   = 101,
  94                 .desc                   = "enter sw",
  95                 .active_low             = 1,
  96                 .debounce_interval      = 30,
  97         },
  98         [1] = {
  99                 .code                   = KEY_F1,
 100                 .gpio                   = 102,
 101                 .desc                   = "func 1",
 102                 .active_low             = 1,
 103                 .debounce_interval      = 30,
 104         },
 105         [2] = {
 106                 .code                   = KEY_F2,
 107                 .gpio                   = 103,
 108                 .desc                   = "func 2",
 109                 .active_low             = 1,
 110                 .debounce_interval      = 30,
 111         },
 112         [3] = {
 113                 .code                   = KEY_F3,
 114                 .gpio                   = 104,
 115                 .desc                   = "func 3",
 116                 .active_low             = 1,
 117                 .debounce_interval      = 30,
 118         },
 119         [4] = {
 120                 .code                   = KEY_F4,
 121                 .gpio                   = 105,
 122                 .desc                   = "func 4",
 123                 .active_low             = 1,
 124                 .debounce_interval      = 30,
 125         },
 126         [5] = {
 127                 .code                   = KEY_LEFT,
 128                 .gpio                   = 106,
 129                 .desc                   = "left sw",
 130                 .active_low             = 1,
 131                 .debounce_interval      = 30,
 132         },
 133         [6] = {
 134                 .code                   = KEY_RIGHT,
 135                 .gpio                   = 107,
 136                 .desc                   = "right sw",
 137                 .active_low             = 1,
 138                 .debounce_interval      = 30,
 139         },
 140         [7] = {
 141                 .code                   = KEY_UP,
 142                 .gpio                   = 108,
 143                 .desc                   = "up sw",
 144                 .active_low             = 1,
 145                 .debounce_interval      = 30,
 146         },
 147         [8] = {
 148                 .code                   = KEY_DOWN,
 149                 .gpio                   = 109,
 150                 .desc                   = "down sw",
 151                 .active_low             = 1,
 152                 .debounce_interval      = 30,
 153         },
 154 };
 155
 156 static struct gpio_keys_platform_data ldp_gpio_keys = {
 157         .buttons                = ldp_gpio_keys_buttons,
 158         .nbuttons               = ARRAY_SIZE(ldp_gpio_keys_buttons),
 159         .rep                    = 1,
 160 };
 161
 162 static struct platform_device ldp_gpio_keys_device = {
 163         .name           = "gpio-keys",
 164         .id             = -1,
 165         .dev            = {
 166                 .platform_data  = &ldp_gpio_keys,
 167         },
 168 };
 169
 170 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 171         .cs             = LDP_SMSC911X_CS,
 172         .gpio_irq       = LDP_SMSC911X_GPIO,
 173         .gpio_reset     = -EINVAL,
 174         .flags          = SMSC911X_USE_32BIT,
 175 };
 176
 177 static inline void __init ldp_init_smsc911x(void)
 178 {
 179         gpmc_smsc911x_init(&smsc911x_cfg);
 180 }
 181
 182 /* LCD */
 183
 184 static int ldp_backlight_gpio;
 185 static int ldp_lcd_enable_gpio;
 186
 187 #define LCD_PANEL_RESET_GPIO            55
 188 #define LCD_PANEL_QVGA_GPIO             56
 189
 190 static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
 191 {
 192         if (gpio_is_valid(ldp_lcd_enable_gpio))
 193                 gpio_direction_output(ldp_lcd_enable_gpio, 1);
 194         if (gpio_is_valid(ldp_backlight_gpio))
 195                 gpio_direction_output(ldp_backlight_gpio, 1);
 196
 197         return 0;
 198 }
 199
 200 static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
 201 {
 202         if (gpio_is_valid(ldp_lcd_enable_gpio))
 203                 gpio_direction_output(ldp_lcd_enable_gpio, 0);
 204         if (gpio_is_valid(ldp_backlight_gpio))
 205                 gpio_direction_output(ldp_backlight_gpio, 0);
 206 }
 207
 208 static struct panel_generic_dpi_data ldp_panel_data = {
 209         .name                   = "nec_nl2432dr22-11b",
 210         .platform_enable        = ldp_panel_enable_lcd,
 211         .platform_disable       = ldp_panel_disable_lcd,
 212 };
 213
 214 static struct omap_dss_device ldp_lcd_device = {
 215         .name                   = "lcd",
 216         .driver_name            = "generic_dpi_panel",
 217         .type                   = OMAP_DISPLAY_TYPE_DPI,
 218         .phy.dpi.data_lines     = 18,
 219         .data                   = &ldp_panel_data,
 220 };
 221
 222 static struct omap_dss_device *ldp_dss_devices[] = {
 223         &ldp_lcd_device,
 224 };
 225
 226 static struct omap_dss_board_info ldp_dss_data = {
 227         .num_devices    = ARRAY_SIZE(ldp_dss_devices),
 228         .devices        = ldp_dss_devices,
 229         .default_device = &ldp_lcd_device,
 230 };
 231
 232 static void __init ldp_display_init(void)
 233 {
 234         int r;
 235
 236         static struct gpio gpios[] __initdata = {
 237                 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
 238                 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
 239         };
 240
 241         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
 242         if (r) {
 243                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
 244                 return;
 245         }
 246
 247         omap_display_init(&ldp_dss_data);
 248 }
 249
 250 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
 251 {
 252         int r;
 253
 254         struct gpio gpios[] = {
 255                 {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
 256                 {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
 257         };
 258
 259         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
 260         if (r) {
 261                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
 262                 ldp_backlight_gpio = -EINVAL;
 263                 ldp_lcd_enable_gpio = -EINVAL;
 264                 return r;
 265         }
 266
 267         ldp_backlight_gpio = gpio + 15;
 268         ldp_lcd_enable_gpio = gpio + 7;
 269
 270         return 0;
 271 }
 272
 273 static struct twl4030_gpio_platform_data ldp_gpio_data = {
 274         .setup          = ldp_twl_gpio_setup,
 275 };
 276
 277 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
 278         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 279 };
 280
 281 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 282 static struct regulator_init_data ldp_vmmc1 = {
 283         .constraints = {
 284                 .min_uV                 = 1850000,
 285                 .max_uV                 = 3150000,
 286                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 287                                         | REGULATOR_MODE_STANDBY,
 288                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 289                                         | REGULATOR_CHANGE_MODE
 290                                         | REGULATOR_CHANGE_STATUS,
 291         },
 292         .num_consumer_supplies  = ARRAY_SIZE(ldp_vmmc1_supply),
 293         .consumer_supplies      = ldp_vmmc1_supply,
 294 };
 295
 296 /* ads7846 on SPI */
 297 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
 298         REGULATOR_SUPPLY("vcc", "spi1.0"),
 299 };
 300
 301 /* VAUX1 */
 302 static struct regulator_init_data ldp_vaux1 = {
 303         .constraints = {
 304                 .min_uV                 = 3000000,
 305                 .max_uV                 = 3000000,
 306                 .apply_uV               = true,
 307                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 308                                         | REGULATOR_MODE_STANDBY,
 309                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 310                                         | REGULATOR_CHANGE_STATUS,
 311         },
 312         .num_consumer_supplies          = ARRAY_SIZE(ldp_vaux1_supplies),
 313         .consumer_supplies              = ldp_vaux1_supplies,
 314 };
 315
 316 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
 317         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 318         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 319 };
 320
 321 static struct regulator_init_data ldp_vpll2 = {
 322         .constraints = {
 323                 .name                   = "VDVI",
 324                 .min_uV                 = 1800000,
 325                 .max_uV                 = 1800000,
 326                 .apply_uV               = true,
 327                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 328                                         | REGULATOR_MODE_STANDBY,
 329                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 330                                         | REGULATOR_CHANGE_STATUS,
 331         },
 332         .num_consumer_supplies  = ARRAY_SIZE(ldp_vpll2_supplies),
 333         .consumer_supplies      = ldp_vpll2_supplies,
 334 };
 335
 336 static struct twl4030_platform_data ldp_twldata = {
 337         /* platform_data for children goes here */
 338         .vmmc1          = &ldp_vmmc1,
 339         .vaux1          = &ldp_vaux1,
 340         .vpll2          = &ldp_vpll2,
 341         .gpio           = &ldp_gpio_data,
 342         .keypad         = &ldp_kp_twl4030_data,
 343 };
 344
 345 static int __init omap_i2c_init(void)
 346 {
 347         omap3_pmic_get_config(&ldp_twldata,
 348                           TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
 349         omap3_pmic_init("twl4030", &ldp_twldata);
 350         omap_register_i2c_bus(2, 400, NULL, 0);
 351         omap_register_i2c_bus(3, 400, NULL, 0);
 352         return 0;
 353 }
 354
 355 static struct omap2_hsmmc_info mmc[] __initdata = {
 356         {
 357                 .mmc            = 1,
 358                 .caps           = MMC_CAP_4_BIT_DATA,
 359                 .gpio_cd        = -EINVAL,
 360                 .gpio_wp        = -EINVAL,
 361         },
 362         {}      /* Terminator */
 363 };
 364
 365 static struct platform_device *ldp_devices[] __initdata = {
 366         &ldp_gpio_keys_device,
 367 };
 368
 369 #ifdef CONFIG_OMAP_MUX
 370 static struct omap_board_mux board_mux[] __initdata = {
 371         { .reg_offset = OMAP_MUX_TERMINATOR },
 372 };
 373 #endif
 374
 375 static struct mtd_partition ldp_nand_partitions[] = {
 376         /* All the partition sizes are listed in terms of NAND block size */
 377         {
 378                 .name           = "X-Loader-NAND",
 379                 .offset         = 0,
 380                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
 381                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 382         },
 383         {
 384                 .name           = "U-Boot-NAND",
 385                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 386                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
 387                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 388         },
 389         {
 390                 .name           = "Boot Env-NAND",
 391                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
 392                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
 393         },
 394         {
 395                 .name           = "Kernel-NAND",
 396                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
 397                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
 398         },
 399         {
 400                 .name           = "File System - NAND",
 401                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
 402                 .size           = MTDPART_SIZ_FULL,     /* 96MB, 0x6000000 */
 403         },
 404
 405 };
 406
 407 static struct regulator_consumer_supply dummy_supplies[] = {
 408         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 409         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 410 };
 411
 412 static void __init omap_ldp_init(void)
 413 {
 414         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 415         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 416         ldp_init_smsc911x();
 417         omap_i2c_init();
 418         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 419         omap_ads7846_init(1, 54, 310, NULL);
 420         omap_serial_init();
 421         omap_sdrc_init(NULL, NULL);
 422         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 423         usb_musb_init(NULL);
 424         board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions),
 425                         ZOOM_NAND_CS, 0, nand_default_timings);
 426
 427         omap_hsmmc_init(mmc);
 428         ldp_display_init();
 429 }
 430
 431 MACHINE_START(OMAP_LDP, "OMAP LDP board")
 432         .atag_offset    = 0x100,
 433         .reserve        = omap_reserve,
 434         .map_io         = omap3_map_io,
 435         .init_early     = omap3430_init_early,
 436         .init_irq       = omap3_init_irq,
 437         .handle_irq     = omap3_intc_handle_irq,
 438         .init_machine   = omap_ldp_init,
 439         .init_late      = omap3430_init_late,
 440         .timer          = &omap3_timer,
 441         .restart        = omap3xxx_restart,
 442 MACHINE_END