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