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
  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/machine.h>
  26 #include <linux/i2c/twl.h>
  27 #include <linux/io.h>
  28 #include <linux/smsc911x.h>
  29 #include <linux/mmc/host.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <plat/mcspi.h>
  37 #include <mach/gpio.h>
  38 #include <plat/board.h>
  39 #include <plat/common.h>
  40 #include <plat/gpmc.h>
  41 #include <mach/board-zoom.h>
  42
  43 #include <asm/delay.h>
  44 #include <plat/usb.h>
  45 #include <plat/gpmc-smsc911x.h>
  46
  47 #include "board-flash.h"
  48 #include "mux.h"
  49 #include "hsmmc.h"
  50 #include "control.h"
  51 #include "common-board-devices.h"
  52
  53 #define LDP_SMSC911X_CS         1
  54 #define LDP_SMSC911X_GPIO       152
  55 #define DEBUG_BASE              0x08000000
  56 #define LDP_ETHR_START          DEBUG_BASE
  57
  58 static uint32_t board_keymap[] = {
  59         KEY(0, 0, KEY_1),
  60         KEY(1, 0, KEY_2),
  61         KEY(2, 0, KEY_3),
  62         KEY(0, 1, KEY_4),
  63         KEY(1, 1, KEY_5),
  64         KEY(2, 1, KEY_6),
  65         KEY(3, 1, KEY_F5),
  66         KEY(0, 2, KEY_7),
  67         KEY(1, 2, KEY_8),
  68         KEY(2, 2, KEY_9),
  69         KEY(3, 2, KEY_F6),
  70         KEY(0, 3, KEY_F7),
  71         KEY(1, 3, KEY_0),
  72         KEY(2, 3, KEY_F8),
  73         PERSISTENT_KEY(4, 5),
  74         KEY(4, 4, KEY_VOLUMEUP),
  75         KEY(5, 5, KEY_VOLUMEDOWN),
  76         0
  77 };
  78
  79 static struct matrix_keymap_data board_map_data = {
  80         .keymap                 = board_keymap,
  81         .keymap_size            = ARRAY_SIZE(board_keymap),
  82 };
  83
  84 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
  85         .keymap_data    = &board_map_data,
  86         .rows           = 6,
  87         .cols           = 6,
  88         .rep            = 1,
  89 };
  90
  91 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
  92         [0] = {
  93                 .code                   = KEY_ENTER,
  94                 .gpio                   = 101,
  95                 .desc                   = "enter sw",
  96                 .active_low             = 1,
  97                 .debounce_interval      = 30,
  98         },
  99         [1] = {
 100                 .code                   = KEY_F1,
 101                 .gpio                   = 102,
 102                 .desc                   = "func 1",
 103                 .active_low             = 1,
 104                 .debounce_interval      = 30,
 105         },
 106         [2] = {
 107                 .code                   = KEY_F2,
 108                 .gpio                   = 103,
 109                 .desc                   = "func 2",
 110                 .active_low             = 1,
 111                 .debounce_interval      = 30,
 112         },
 113         [3] = {
 114                 .code                   = KEY_F3,
 115                 .gpio                   = 104,
 116                 .desc                   = "func 3",
 117                 .active_low             = 1,
 118                 .debounce_interval      = 30,
 119         },
 120         [4] = {
 121                 .code                   = KEY_F4,
 122                 .gpio                   = 105,
 123                 .desc                   = "func 4",
 124                 .active_low             = 1,
 125                 .debounce_interval      = 30,
 126         },
 127         [5] = {
 128                 .code                   = KEY_LEFT,
 129                 .gpio                   = 106,
 130                 .desc                   = "left sw",
 131                 .active_low             = 1,
 132                 .debounce_interval      = 30,
 133         },
 134         [6] = {
 135                 .code                   = KEY_RIGHT,
 136                 .gpio                   = 107,
 137                 .desc                   = "right sw",
 138                 .active_low             = 1,
 139                 .debounce_interval      = 30,
 140         },
 141         [7] = {
 142                 .code                   = KEY_UP,
 143                 .gpio                   = 108,
 144                 .desc                   = "up sw",
 145                 .active_low             = 1,
 146                 .debounce_interval      = 30,
 147         },
 148         [8] = {
 149                 .code                   = KEY_DOWN,
 150                 .gpio                   = 109,
 151                 .desc                   = "down sw",
 152                 .active_low             = 1,
 153                 .debounce_interval      = 30,
 154         },
 155 };
 156
 157 static struct gpio_keys_platform_data ldp_gpio_keys = {
 158         .buttons                = ldp_gpio_keys_buttons,
 159         .nbuttons               = ARRAY_SIZE(ldp_gpio_keys_buttons),
 160         .rep                    = 1,
 161 };
 162
 163 static struct platform_device ldp_gpio_keys_device = {
 164         .name           = "gpio-keys",
 165         .id             = -1,
 166         .dev            = {
 167                 .platform_data  = &ldp_gpio_keys,
 168         },
 169 };
 170
 171 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 172         .cs             = LDP_SMSC911X_CS,
 173         .gpio_irq       = LDP_SMSC911X_GPIO,
 174         .gpio_reset     = -EINVAL,
 175         .flags          = SMSC911X_USE_32BIT,
 176 };
 177
 178 static inline void __init ldp_init_smsc911x(void)
 179 {
 180         gpmc_smsc911x_init(&smsc911x_cfg);
 181 }
 182
 183 static struct platform_device ldp_lcd_device = {
 184         .name           = "ldp_lcd",
 185         .id             = -1,
 186 };
 187
 188 static struct omap_lcd_config ldp_lcd_config __initdata = {
 189         .ctrl_name      = "internal",
 190 };
 191
 192 static struct omap_board_config_kernel ldp_config[] __initdata = {
 193         { OMAP_TAG_LCD,         &ldp_lcd_config },
 194 };
 195
 196 static void __init omap_ldp_init_early(void)
 197 {
 198         omap2_init_common_infrastructure();
 199         omap2_init_common_devices(NULL, NULL);
 200 }
 201
 202 static struct twl4030_usb_data ldp_usb_data = {
 203         .usb_mode       = T2_USB_MODE_ULPI,
 204 };
 205
 206 static struct twl4030_gpio_platform_data ldp_gpio_data = {
 207         .gpio_base      = OMAP_MAX_GPIO_LINES,
 208         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 209         .irq_end        = TWL4030_GPIO_IRQ_END,
 210 };
 211
 212 static struct twl4030_madc_platform_data ldp_madc_data = {
 213         .irq_line       = 1,
 214 };
 215
 216 static struct regulator_consumer_supply ldp_vmmc1_supply = {
 217         .supply                 = "vmmc",
 218 };
 219
 220 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 221 static struct regulator_init_data ldp_vmmc1 = {
 222         .constraints = {
 223                 .min_uV                 = 1850000,
 224                 .max_uV                 = 3150000,
 225                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 226                                         | REGULATOR_MODE_STANDBY,
 227                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 228                                         | REGULATOR_CHANGE_MODE
 229                                         | REGULATOR_CHANGE_STATUS,
 230         },
 231         .num_consumer_supplies  = 1,
 232         .consumer_supplies      = &ldp_vmmc1_supply,
 233 };
 234
 235 /* ads7846 on SPI */
 236 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
 237         REGULATOR_SUPPLY("vcc", "spi1.0"),
 238 };
 239
 240 /* VAUX1 */
 241 static struct regulator_init_data ldp_vaux1 = {
 242         .constraints = {
 243                 .min_uV                 = 3000000,
 244                 .max_uV                 = 3000000,
 245                 .apply_uV               = true,
 246                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 247                                         | REGULATOR_MODE_STANDBY,
 248                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 249                                         | REGULATOR_CHANGE_STATUS,
 250         },
 251         .num_consumer_supplies          = ARRAY_SIZE(ldp_vaux1_supplies),
 252         .consumer_supplies              = ldp_vaux1_supplies,
 253 };
 254
 255 static struct twl4030_platform_data ldp_twldata = {
 256         .irq_base       = TWL4030_IRQ_BASE,
 257         .irq_end        = TWL4030_IRQ_END,
 258
 259         /* platform_data for children goes here */
 260         .madc           = &ldp_madc_data,
 261         .usb            = &ldp_usb_data,
 262         .vmmc1          = &ldp_vmmc1,
 263         .vaux1          = &ldp_vaux1,
 264         .gpio           = &ldp_gpio_data,
 265         .keypad         = &ldp_kp_twl4030_data,
 266 };
 267
 268 static int __init omap_i2c_init(void)
 269 {
 270         omap3_pmic_init("twl4030", &ldp_twldata);
 271         omap_register_i2c_bus(2, 400, NULL, 0);
 272         omap_register_i2c_bus(3, 400, NULL, 0);
 273         return 0;
 274 }
 275
 276 static struct omap2_hsmmc_info mmc[] __initdata = {
 277         {
 278                 .mmc            = 1,
 279                 .caps           = MMC_CAP_4_BIT_DATA,
 280                 .gpio_cd        = -EINVAL,
 281                 .gpio_wp        = -EINVAL,
 282         },
 283         {}      /* Terminator */
 284 };
 285
 286 static struct platform_device *ldp_devices[] __initdata = {
 287         &ldp_lcd_device,
 288         &ldp_gpio_keys_device,
 289 };
 290
 291 #ifdef CONFIG_OMAP_MUX
 292 static struct omap_board_mux board_mux[] __initdata = {
 293         { .reg_offset = OMAP_MUX_TERMINATOR },
 294 };
 295 #endif
 296
 297 static struct mtd_partition ldp_nand_partitions[] = {
 298         /* All the partition sizes are listed in terms of NAND block size */
 299         {
 300                 .name           = "X-Loader-NAND",
 301                 .offset         = 0,
 302                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
 303                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 304         },
 305         {
 306                 .name           = "U-Boot-NAND",
 307                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 308                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
 309                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 310         },
 311         {
 312                 .name           = "Boot Env-NAND",
 313                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
 314                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
 315         },
 316         {
 317                 .name           = "Kernel-NAND",
 318                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
 319                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
 320         },
 321         {
 322                 .name           = "File System - NAND",
 323                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
 324                 .size           = MTDPART_SIZ_FULL,     /* 96MB, 0x6000000 */
 325         },
 326
 327 };
 328
 329 static void __init omap_ldp_init(void)
 330 {
 331         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 332         omap_board_config = ldp_config;
 333         omap_board_config_size = ARRAY_SIZE(ldp_config);
 334         ldp_init_smsc911x();
 335         omap_i2c_init();
 336         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 337         omap_ads7846_init(1, 54, 310, NULL);
 338         omap_serial_init();
 339         usb_musb_init(NULL);
 340         board_nand_init(ldp_nand_partitions,
 341                 ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
 342
 343         omap2_hsmmc_init(mmc);
 344         /* link regulators to MMC adapters */
 345         ldp_vmmc1_supply.dev = mmc[0].dev;
 346 }
 347
 348 MACHINE_START(OMAP_LDP, "OMAP LDP board")
 349         .boot_params    = 0x80000100,
 350         .reserve        = omap_reserve,
 351         .map_io         = omap3_map_io,
 352         .init_early     = omap_ldp_init_early,
 353         .init_irq       = omap_init_irq,
 354         .init_machine   = omap_ldp_init,
 355         .timer          = &omap_timer,
 356 MACHINE_END