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/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 <plat/board.h>
  38 #include <plat/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 "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 static struct platform_device ldp_lcd_device = {
 183         .name           = "ldp_lcd",
 184         .id             = -1,
 185 };
 186
 187 static struct omap_lcd_config ldp_lcd_config __initdata = {
 188         .ctrl_name      = "internal",
 189 };
 190
 191 static struct omap_board_config_kernel ldp_config[] __initdata = {
 192         { OMAP_TAG_LCD,         &ldp_lcd_config },
 193 };
 194
 195 static void __init omap_ldp_init_early(void)
 196 {
 197         omap2_init_common_infrastructure();
 198         omap2_init_common_devices(NULL, NULL);
 199 }
 200
 201 static struct twl4030_gpio_platform_data ldp_gpio_data = {
 202         .gpio_base      = OMAP_MAX_GPIO_LINES,
 203         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 204         .irq_end        = TWL4030_GPIO_IRQ_END,
 205 };
 206
 207 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
 208         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 209 };
 210
 211 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 212 static struct regulator_init_data ldp_vmmc1 = {
 213         .constraints = {
 214                 .min_uV                 = 1850000,
 215                 .max_uV                 = 3150000,
 216                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 217                                         | REGULATOR_MODE_STANDBY,
 218                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 219                                         | REGULATOR_CHANGE_MODE
 220                                         | REGULATOR_CHANGE_STATUS,
 221         },
 222         .num_consumer_supplies  = ARRAY_SIZE(ldp_vmmc1_supply),
 223         .consumer_supplies      = ldp_vmmc1_supply,
 224 };
 225
 226 /* ads7846 on SPI */
 227 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
 228         REGULATOR_SUPPLY("vcc", "spi1.0"),
 229 };
 230
 231 /* VAUX1 */
 232 static struct regulator_init_data ldp_vaux1 = {
 233         .constraints = {
 234                 .min_uV                 = 3000000,
 235                 .max_uV                 = 3000000,
 236                 .apply_uV               = true,
 237                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 238                                         | REGULATOR_MODE_STANDBY,
 239                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 240                                         | REGULATOR_CHANGE_STATUS,
 241         },
 242         .num_consumer_supplies          = ARRAY_SIZE(ldp_vaux1_supplies),
 243         .consumer_supplies              = ldp_vaux1_supplies,
 244 };
 245
 246 static struct twl4030_platform_data ldp_twldata = {
 247         /* platform_data for children goes here */
 248         .vmmc1          = &ldp_vmmc1,
 249         .vaux1          = &ldp_vaux1,
 250         .gpio           = &ldp_gpio_data,
 251         .keypad         = &ldp_kp_twl4030_data,
 252 };
 253
 254 static int __init omap_i2c_init(void)
 255 {
 256         omap3_pmic_get_config(&ldp_twldata,
 257                           TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
 258         omap3_pmic_init("twl4030", &ldp_twldata);
 259         omap_register_i2c_bus(2, 400, NULL, 0);
 260         omap_register_i2c_bus(3, 400, NULL, 0);
 261         return 0;
 262 }
 263
 264 static struct omap2_hsmmc_info mmc[] __initdata = {
 265         {
 266                 .mmc            = 1,
 267                 .caps           = MMC_CAP_4_BIT_DATA,
 268                 .gpio_cd        = -EINVAL,
 269                 .gpio_wp        = -EINVAL,
 270         },
 271         {}      /* Terminator */
 272 };
 273
 274 static struct platform_device *ldp_devices[] __initdata = {
 275         &ldp_lcd_device,
 276         &ldp_gpio_keys_device,
 277 };
 278
 279 #ifdef CONFIG_OMAP_MUX
 280 static struct omap_board_mux board_mux[] __initdata = {
 281         { .reg_offset = OMAP_MUX_TERMINATOR },
 282 };
 283 #endif
 284
 285 static struct mtd_partition ldp_nand_partitions[] = {
 286         /* All the partition sizes are listed in terms of NAND block size */
 287         {
 288                 .name           = "X-Loader-NAND",
 289                 .offset         = 0,
 290                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
 291                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 292         },
 293         {
 294                 .name           = "U-Boot-NAND",
 295                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 296                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
 297                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 298         },
 299         {
 300                 .name           = "Boot Env-NAND",
 301                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
 302                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
 303         },
 304         {
 305                 .name           = "Kernel-NAND",
 306                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
 307                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
 308         },
 309         {
 310                 .name           = "File System - NAND",
 311                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
 312                 .size           = MTDPART_SIZ_FULL,     /* 96MB, 0x6000000 */
 313         },
 314
 315 };
 316
 317 static void __init omap_ldp_init(void)
 318 {
 319         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 320         omap_board_config = ldp_config;
 321         omap_board_config_size = ARRAY_SIZE(ldp_config);
 322         ldp_init_smsc911x();
 323         omap_i2c_init();
 324         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 325         omap_ads7846_init(1, 54, 310, NULL);
 326         omap_serial_init();
 327         usb_musb_init(NULL);
 328         board_nand_init(ldp_nand_partitions,
 329                 ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
 330
 331         omap2_hsmmc_init(mmc);
 332 }
 333
 334 MACHINE_START(OMAP_LDP, "OMAP LDP board")
 335         .boot_params    = 0x80000100,
 336         .reserve        = omap_reserve,
 337         .map_io         = omap3_map_io,
 338         .init_early     = omap_ldp_init_early,
 339         .init_irq       = omap3_init_irq,
 340         .init_machine   = omap_ldp_init,
 341         .timer          = &omap3_timer,
 342 MACHINE_END