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