arch/arm/mach-omap2/board-rx51-peripherals.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-rx51-flash.c
   3  *
   4  * Copyright (C) 2008-2009 Nokia
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/input.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/i2c.h>
  17 #include <linux/i2c/twl4030.h>
  18 #include <linux/clk.h>
  19 #include <linux/delay.h>
  20 #include <linux/regulator/machine.h>
  21 #include <linux/gpio.h>
  22
  23 #include <mach/mcspi.h>
  24 #include <mach/mux.h>
  25 #include <mach/board.h>
  26 #include <mach/common.h>
  27 #include <mach/dma.h>
  28 #include <mach/gpmc.h>
  29 #include <mach/keypad.h>
  30 #include <mach/onenand.h>
  31 #include <mach/gpmc-smc91x.h>
  32
  33 #include "mmc-twl4030.h"
  34
  35 #define SYSTEM_REV_B_USES_VAUX3 0x1699
  36 #define SYSTEM_REV_S_USES_VAUX3 0x8
  37
  38 static int rx51_keymap[] = {
  39         KEY(0, 0, KEY_Q),
  40         KEY(0, 1, KEY_W),
  41         KEY(0, 2, KEY_E),
  42         KEY(0, 3, KEY_R),
  43         KEY(0, 4, KEY_T),
  44         KEY(0, 5, KEY_Y),
  45         KEY(0, 6, KEY_U),
  46         KEY(0, 7, KEY_I),
  47         KEY(1, 0, KEY_O),
  48         KEY(1, 1, KEY_D),
  49         KEY(1, 2, KEY_DOT),
  50         KEY(1, 3, KEY_V),
  51         KEY(1, 4, KEY_DOWN),
  52         KEY(2, 0, KEY_P),
  53         KEY(2, 1, KEY_F),
  54         KEY(2, 2, KEY_UP),
  55         KEY(2, 3, KEY_B),
  56         KEY(2, 4, KEY_RIGHT),
  57         KEY(3, 0, KEY_COMMA),
  58         KEY(3, 1, KEY_G),
  59         KEY(3, 2, KEY_ENTER),
  60         KEY(3, 3, KEY_N),
  61         KEY(4, 0, KEY_BACKSPACE),
  62         KEY(4, 1, KEY_H),
  63         KEY(4, 3, KEY_M),
  64         KEY(4, 4, KEY_LEFTCTRL),
  65         KEY(5, 1, KEY_J),
  66         KEY(5, 2, KEY_Z),
  67         KEY(5, 3, KEY_SPACE),
  68         KEY(5, 4, KEY_LEFTSHIFT),
  69         KEY(6, 0, KEY_A),
  70         KEY(6, 1, KEY_K),
  71         KEY(6, 2, KEY_X),
  72         KEY(6, 3, KEY_SPACE),
  73         KEY(6, 4, KEY_FN),
  74         KEY(7, 0, KEY_S),
  75         KEY(7, 1, KEY_L),
  76         KEY(7, 2, KEY_C),
  77         KEY(7, 3, KEY_LEFT),
  78         KEY(0xff, 0, KEY_F6),
  79         KEY(0xff, 1, KEY_F7),
  80         KEY(0xff, 2, KEY_F8),
  81         KEY(0xff, 4, KEY_F9),
  82         KEY(0xff, 5, KEY_F10),
  83 };
  84
  85 static struct twl4030_keypad_data rx51_kp_data = {
  86         .rows           = 8,
  87         .cols           = 8,
  88         .keymap         = rx51_keymap,
  89         .keymapsize     = ARRAY_SIZE(rx51_keymap),
  90         .rep            = 1,
  91 };
  92
  93 static struct twl4030_madc_platform_data rx51_madc_data = {
  94         .irq_line               = 1,
  95 };
  96
  97 static struct twl4030_hsmmc_info mmc[] = {
  98         {
  99                 .name           = "external",
 100                 .mmc            = 1,
 101                 .wires          = 4,
 102                 .cover_only     = true,
 103                 .gpio_cd        = 160,
 104                 .gpio_wp        = -EINVAL,
 105         },
 106         {
 107                 .name           = "internal",
 108                 .mmc            = 2,
 109                 .wires          = 8,
 110                 .gpio_cd        = -EINVAL,
 111                 .gpio_wp        = -EINVAL,
 112         },
 113         {}      /* Terminator */
 114 };
 115
 116 static struct regulator_consumer_supply rx51_vmmc1_supply = {
 117         .supply                 = "vmmc",
 118 };
 119
 120 static struct regulator_consumer_supply rx51_vmmc2_supply = {
 121         .supply                 = "vmmc",
 122 };
 123
 124 static struct regulator_consumer_supply rx51_vsim_supply = {
 125         .supply                 = "vmmc_aux",
 126 };
 127
 128 static struct regulator_init_data rx51_vaux1 = {
 129         .constraints = {
 130                 .name                   = "V28",
 131                 .min_uV                 = 2800000,
 132                 .max_uV                 = 2800000,
 133                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 134                                         | REGULATOR_MODE_STANDBY,
 135                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 136                                         | REGULATOR_CHANGE_STATUS,
 137         },
 138 };
 139
 140 static struct regulator_init_data rx51_vaux2 = {
 141         .constraints = {
 142                 .name                   = "VCSI",
 143                 .min_uV                 = 1800000,
 144                 .max_uV                 = 1800000,
 145                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 146                                         | REGULATOR_MODE_STANDBY,
 147                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 148                                         | REGULATOR_CHANGE_STATUS,
 149         },
 150 };
 151
 152 /* VAUX3 - adds more power to VIO_18 rail */
 153 static struct regulator_init_data rx51_vaux3_cam = {
 154         .constraints = {
 155                 .name                   = "VCAM_DIG_18",
 156                 .min_uV                 = 1800000,
 157                 .max_uV                 = 1800000,
 158                 .apply_uV               = true,
 159                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 160                                         | REGULATOR_MODE_STANDBY,
 161                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 162                                         | REGULATOR_CHANGE_STATUS,
 163         },
 164 };
 165
 166 static struct regulator_init_data rx51_vaux3_mmc = {
 167         .constraints = {
 168                 .name                   = "VMMC2_30",
 169                 .min_uV                 = 2800000,
 170                 .max_uV                 = 3000000,
 171                 .apply_uV               = true,
 172                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 173                                         | REGULATOR_MODE_STANDBY,
 174                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 175                                         | REGULATOR_CHANGE_MODE
 176                                         | REGULATOR_CHANGE_STATUS,
 177         },
 178         .num_consumer_supplies  = 1,
 179         .consumer_supplies      = &rx51_vmmc2_supply,
 180 };
 181
 182 static struct regulator_init_data rx51_vaux4 = {
 183         .constraints = {
 184                 .name                   = "VCAM_ANA_28",
 185                 .min_uV                 = 2800000,
 186                 .max_uV                 = 2800000,
 187                 .apply_uV               = true,
 188                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 189                                         | REGULATOR_MODE_STANDBY,
 190                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 191                                         | REGULATOR_CHANGE_STATUS,
 192         },
 193 };
 194
 195 static struct regulator_init_data rx51_vmmc1 = {
 196         .constraints = {
 197                 .min_uV                 = 1850000,
 198                 .max_uV                 = 3150000,
 199                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 200                                         | REGULATOR_MODE_STANDBY,
 201                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 202                                         | REGULATOR_CHANGE_MODE
 203                                         | REGULATOR_CHANGE_STATUS,
 204         },
 205         .num_consumer_supplies  = 1,
 206         .consumer_supplies      = &rx51_vmmc1_supply,
 207 };
 208
 209 static struct regulator_init_data rx51_vmmc2 = {
 210         .constraints = {
 211                 .name                   = "VMMC2_30",
 212                 .min_uV                 = 1850000,
 213                 .max_uV                 = 3150000,
 214                 .apply_uV               = true,
 215                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 216                                         | REGULATOR_MODE_STANDBY,
 217                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 218                                         | REGULATOR_CHANGE_MODE
 219                                         | REGULATOR_CHANGE_STATUS,
 220         },
 221         .num_consumer_supplies  = 1,
 222         .consumer_supplies      = &rx51_vmmc2_supply,
 223 };
 224
 225 static struct regulator_init_data rx51_vsim = {
 226         .constraints = {
 227                 .name                   = "VMMC2_IO_18",
 228                 .min_uV                 = 1800000,
 229                 .max_uV                 = 1800000,
 230                 .apply_uV               = true,
 231                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 232                                         | REGULATOR_MODE_STANDBY,
 233                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 234                                         | REGULATOR_CHANGE_STATUS,
 235         },
 236         .num_consumer_supplies  = 1,
 237         .consumer_supplies      = &rx51_vsim_supply,
 238 };
 239
 240 static struct regulator_init_data rx51_vdac = {
 241         .constraints = {
 242                 .min_uV                 = 1800000,
 243                 .max_uV                 = 1800000,
 244                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 245                                         | REGULATOR_MODE_STANDBY,
 246                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 247                                         | REGULATOR_CHANGE_MODE
 248                                         | REGULATOR_CHANGE_STATUS,
 249         },
 250 };
 251
 252 static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
 253 {
 254         /* FIXME this gpio setup is just a placeholder for now */
 255         gpio_request(gpio + 6, "backlight_pwm");
 256         gpio_direction_output(gpio + 6, 0);
 257         gpio_request(gpio + 7, "speaker_en");
 258         gpio_direction_output(gpio + 7, 1);
 259
 260         /* set up MMC adapters, linking their regulators to them */
 261         twl4030_mmc_init(mmc);
 262         rx51_vmmc1_supply.dev = mmc[0].dev;
 263         rx51_vmmc2_supply.dev = mmc[1].dev;
 264         rx51_vsim_supply.dev = mmc[1].dev;
 265
 266         return 0;
 267 }
 268
 269 static struct twl4030_gpio_platform_data rx51_gpio_data = {
 270         .gpio_base              = OMAP_MAX_GPIO_LINES,
 271         .irq_base               = TWL4030_GPIO_IRQ_BASE,
 272         .irq_end                = TWL4030_GPIO_IRQ_END,
 273         .pulldowns              = BIT(0) | BIT(1) | BIT(2) | BIT(3)
 274                                 | BIT(4) | BIT(5)
 275                                 | BIT(8) | BIT(9) | BIT(10) | BIT(11)
 276                                 | BIT(12) | BIT(13) | BIT(14) | BIT(15)
 277                                 | BIT(16) | BIT(17) ,
 278         .setup                  = rx51_twlgpio_setup,
 279 };
 280
 281 static struct twl4030_platform_data rx51_twldata = {
 282         .irq_base               = TWL4030_IRQ_BASE,
 283         .irq_end                = TWL4030_IRQ_END,
 284
 285         /* platform_data for children goes here */
 286         .gpio                   = &rx51_gpio_data,
 287         .keypad                 = &rx51_kp_data,
 288         .madc                   = &rx51_madc_data,
 289
 290         .vaux1                  = &rx51_vaux1,
 291         .vaux2                  = &rx51_vaux2,
 292         .vaux4                  = &rx51_vaux4,
 293         .vmmc1                  = &rx51_vmmc1,
 294         .vsim                   = &rx51_vsim,
 295         .vdac                   = &rx51_vdac,
 296 };
 297
 298 static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 299         {
 300                 I2C_BOARD_INFO("twl5030", 0x48),
 301                 .flags = I2C_CLIENT_WAKE,
 302                 .irq = INT_34XX_SYS_NIRQ,
 303                 .platform_data = &rx51_twldata,
 304         },
 305 };
 306
 307 static int __init rx51_i2c_init(void)
 308 {
 309         if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
 310             system_rev >= SYSTEM_REV_B_USES_VAUX3)
 311                 rx51_twldata.vaux3 = &rx51_vaux3_mmc;
 312         else {
 313                 rx51_twldata.vaux3 = &rx51_vaux3_cam;
 314                 rx51_twldata.vmmc2 = &rx51_vmmc2;
 315         }
 316         omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
 317                         ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 318         omap_register_i2c_bus(2, 100, NULL, 0);
 319         omap_register_i2c_bus(3, 400, NULL, 0);
 320         return 0;
 321 }
 322
 323 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 324         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 325
 326 static struct mtd_partition onenand_partitions[] = {
 327         {
 328                 .name           = "bootloader",
 329                 .offset         = 0,
 330                 .size           = 0x20000,
 331                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 332         },
 333         {
 334                 .name           = "config",
 335                 .offset         = MTDPART_OFS_APPEND,
 336                 .size           = 0x60000,
 337         },
 338         {
 339                 .name           = "log",
 340                 .offset         = MTDPART_OFS_APPEND,
 341                 .size           = 0x40000,
 342         },
 343         {
 344                 .name           = "kernel",
 345                 .offset         = MTDPART_OFS_APPEND,
 346                 .size           = 0x200000,
 347         },
 348         {
 349                 .name           = "initfs",
 350                 .offset         = MTDPART_OFS_APPEND,
 351                 .size           = 0x200000,
 352         },
 353         {
 354                 .name           = "rootfs",
 355                 .offset         = MTDPART_OFS_APPEND,
 356                 .size           = MTDPART_SIZ_FULL,
 357         },
 358 };
 359
 360 static struct omap_onenand_platform_data board_onenand_data = {
 361         .cs             = 0,
 362         .gpio_irq       = 65,
 363         .parts          = onenand_partitions,
 364         .nr_parts       = ARRAY_SIZE(onenand_partitions),
 365         .flags          = ONENAND_SYNC_READWRITE,
 366 };
 367
 368 static void __init board_onenand_init(void)
 369 {
 370         gpmc_onenand_init(&board_onenand_data);
 371 }
 372
 373 #else
 374
 375 static inline void board_onenand_init(void)
 376 {
 377 }
 378
 379 #endif
 380
 381 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 382
 383 static struct omap_smc91x_platform_data board_smc91x_data = {
 384         .cs             = 1,
 385         .gpio_irq       = 54,
 386         .gpio_pwrdwn    = 86,
 387         .gpio_reset     = 164,
 388         .flags          = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
 389 };
 390
 391 static void __init board_smc91x_init(void)
 392 {
 393         omap_cfg_reg(U8_34XX_GPIO54_DOWN);
 394         omap_cfg_reg(G25_34XX_GPIO86_OUT);
 395         omap_cfg_reg(H19_34XX_GPIO164_OUT);
 396
 397         gpmc_smc91x_init(&board_smc91x_data);
 398 }
 399
 400 #else
 401
 402 static inline void board_smc91x_init(void)
 403 {
 404 }
 405
 406 #endif
 407
 408 void __init rx51_peripherals_init(void)
 409 {
 410         rx51_i2c_init();
 411         board_onenand_init();
 412         board_smc91x_init();
 413 }
 414