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 "gpmc.h"
  40 #include "gpmc-smsc911x.h"
  41
  42 #include <linux/platform_data/omapdss.h>
  43 #include <video/omap-panel-data.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 #include "display.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 #define LCD_PANEL_RESET_GPIO            55
 185 #define LCD_PANEL_QVGA_GPIO             56
 186
 187 static const struct display_timing ldp_lcd_videomode = {
 188         .pixelclock     = { 0, 5400000, 0 },
 189
 190         .hactive = { 0, 240, 0 },
 191         .hfront_porch = { 0, 3, 0 },
 192         .hback_porch = { 0, 39, 0 },
 193         .hsync_len = { 0, 3, 0 },
 194
 195         .vactive = { 0, 320, 0 },
 196         .vfront_porch = { 0, 2, 0 },
 197         .vback_porch = { 0, 7, 0 },
 198         .vsync_len = { 0, 1, 0 },
 199
 200         .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
 201                 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
 202 };
 203
 204 static struct panel_dpi_platform_data ldp_lcd_pdata = {
 205         .name                   = "lcd",
 206         .source                 = "dpi.0",
 207
 208         .data_lines             = 18,
 209
 210         .display_timing         = &ldp_lcd_videomode,
 211
 212         .enable_gpio            = -1,   /* filled in code */
 213         .backlight_gpio         = -1,   /* filled in code */
 214 };
 215
 216 static struct platform_device ldp_lcd_device = {
 217         .name                   = "panel-dpi",
 218         .id                     = 0,
 219         .dev.platform_data      = &ldp_lcd_pdata,
 220 };
 221
 222 static struct omap_dss_board_info ldp_dss_data = {
 223         .default_display_name = "lcd",
 224 };
 225
 226 static void __init ldp_display_init(void)
 227 {
 228         int r;
 229
 230         static struct gpio gpios[] __initdata = {
 231                 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
 232                 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
 233         };
 234
 235         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
 236         if (r) {
 237                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
 238                 return;
 239         }
 240
 241         omap_display_init(&ldp_dss_data);
 242 }
 243
 244 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
 245 {
 246         int res;
 247
 248         /* LCD enable GPIO */
 249         ldp_lcd_pdata.enable_gpio = gpio + 7;
 250
 251         /* Backlight enable GPIO */
 252         ldp_lcd_pdata.backlight_gpio = gpio + 15;
 253
 254         res = platform_device_register(&ldp_lcd_device);
 255         if (res)
 256                 pr_err("Unable to register LCD: %d\n", res);
 257
 258         return 0;
 259 }
 260
 261 static struct twl4030_gpio_platform_data ldp_gpio_data = {
 262         .setup          = ldp_twl_gpio_setup,
 263 };
 264
 265 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
 266         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 267 };
 268
 269 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 270 static struct regulator_init_data ldp_vmmc1 = {
 271         .constraints = {
 272                 .min_uV                 = 1850000,
 273                 .max_uV                 = 3150000,
 274                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 275                                         | REGULATOR_MODE_STANDBY,
 276                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 277                                         | REGULATOR_CHANGE_MODE
 278                                         | REGULATOR_CHANGE_STATUS,
 279         },
 280         .num_consumer_supplies  = ARRAY_SIZE(ldp_vmmc1_supply),
 281         .consumer_supplies      = ldp_vmmc1_supply,
 282 };
 283
 284 /* ads7846 on SPI */
 285 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
 286         REGULATOR_SUPPLY("vcc", "spi1.0"),
 287 };
 288
 289 /* VAUX1 */
 290 static struct regulator_init_data ldp_vaux1 = {
 291         .constraints = {
 292                 .min_uV                 = 3000000,
 293                 .max_uV                 = 3000000,
 294                 .apply_uV               = true,
 295                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 296                                         | REGULATOR_MODE_STANDBY,
 297                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 298                                         | REGULATOR_CHANGE_STATUS,
 299         },
 300         .num_consumer_supplies          = ARRAY_SIZE(ldp_vaux1_supplies),
 301         .consumer_supplies              = ldp_vaux1_supplies,
 302 };
 303
 304 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
 305         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 306         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dpi.0"),
 307         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
 308 };
 309
 310 static struct regulator_init_data ldp_vpll2 = {
 311         .constraints = {
 312                 .name                   = "VDVI",
 313                 .min_uV                 = 1800000,
 314                 .max_uV                 = 1800000,
 315                 .apply_uV               = true,
 316                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 317                                         | REGULATOR_MODE_STANDBY,
 318                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 319                                         | REGULATOR_CHANGE_STATUS,
 320         },
 321         .num_consumer_supplies  = ARRAY_SIZE(ldp_vpll2_supplies),
 322         .consumer_supplies      = ldp_vpll2_supplies,
 323 };
 324
 325 static struct twl4030_platform_data ldp_twldata = {
 326         /* platform_data for children goes here */
 327         .vmmc1          = &ldp_vmmc1,
 328         .vaux1          = &ldp_vaux1,
 329         .vpll2          = &ldp_vpll2,
 330         .gpio           = &ldp_gpio_data,
 331         .keypad         = &ldp_kp_twl4030_data,
 332 };
 333
 334 static int __init omap_i2c_init(void)
 335 {
 336         omap3_pmic_get_config(&ldp_twldata,
 337                           TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
 338         omap3_pmic_init("twl4030", &ldp_twldata);
 339         omap_register_i2c_bus(2, 400, NULL, 0);
 340         omap_register_i2c_bus(3, 400, NULL, 0);
 341         return 0;
 342 }
 343
 344 static struct omap2_hsmmc_info mmc[] __initdata = {
 345         {
 346                 .mmc            = 1,
 347                 .caps           = MMC_CAP_4_BIT_DATA,
 348                 .gpio_cd        = -EINVAL,
 349                 .gpio_wp        = -EINVAL,
 350         },
 351         {}      /* Terminator */
 352 };
 353
 354 static struct platform_device *ldp_devices[] __initdata = {
 355         &ldp_gpio_keys_device,
 356 };
 357
 358 #ifdef CONFIG_OMAP_MUX
 359 static struct omap_board_mux board_mux[] __initdata = {
 360         { .reg_offset = OMAP_MUX_TERMINATOR },
 361 };
 362 #endif
 363
 364 static struct mtd_partition ldp_nand_partitions[] = {
 365         /* All the partition sizes are listed in terms of NAND block size */
 366         {
 367                 .name           = "X-Loader-NAND",
 368                 .offset         = 0,
 369                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
 370                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 371         },
 372         {
 373                 .name           = "U-Boot-NAND",
 374                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 375                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
 376                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 377         },
 378         {
 379                 .name           = "Boot Env-NAND",
 380                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
 381                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
 382         },
 383         {
 384                 .name           = "Kernel-NAND",
 385                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
 386                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
 387         },
 388         {
 389                 .name           = "File System - NAND",
 390                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
 391                 .size           = MTDPART_SIZ_FULL,     /* 96MB, 0x6000000 */
 392         },
 393
 394 };
 395
 396 static struct regulator_consumer_supply dummy_supplies[] = {
 397         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 398         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 399 };
 400
 401 static void __init omap_ldp_init(void)
 402 {
 403         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 404         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 405         ldp_init_smsc911x();
 406         omap_i2c_init();
 407         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 408         omap_ads7846_init(1, 54, 310, NULL);
 409         omap_serial_init();
 410         omap_sdrc_init(NULL, NULL);
 411         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 412         usb_musb_init(NULL);
 413         board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions),
 414                         0, 0, nand_default_timings);
 415
 416         omap_hsmmc_init(mmc);
 417         ldp_display_init();
 418 }
 419
 420 MACHINE_START(OMAP_LDP, "OMAP LDP board")
 421         .atag_offset    = 0x100,
 422         .reserve        = omap_reserve,
 423         .map_io         = omap3_map_io,
 424         .init_early     = omap3430_init_early,
 425         .init_irq       = omap3_init_irq,
 426         .init_machine   = omap_ldp_init,
 427         .init_late      = omap3430_init_late,
 428         .init_time      = omap_init_time,
 429         .restart        = omap3xxx_restart,
 430 MACHINE_END