release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-omap2/board-omap4panda.c

   1 /*
   2  * Board support file for OMAP4430 based PandaBoard.
   3  *
   4  * Copyright (C) 2010 Texas Instruments
   5  *
   6  * Author: David Anders <x0132446@ti.com>
   7  *
   8  * Based on mach-omap2/board-4430sdp.c
   9  *
  10  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
  11  *
  12  * Based on mach-omap2/board-3430sdp.c
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/io.h>
  23 #include <linux/gpio.h>
  24 #include <linux/usb/otg.h>
  25 #include <linux/i2c/twl.h>
  26 #include <linux/regulator/machine.h>
  27
  28 #include <mach/hardware.h>
  29 #include <mach/omap4-common.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <plat/board.h>
  35 #include <plat/common.h>
  36 #include <plat/control.h>
  37 #include <plat/timer-gp.h>
  38 #include <plat/usb.h>
  39 #include <plat/mmc.h>
  40 #include "hsmmc.h"
  41
  42
  43 static void __init omap4_panda_init_irq(void)
  44 {
  45         omap2_init_common_hw(NULL, NULL);
  46         gic_init_irq();
  47         omap_gpio_init();
  48 }
  49
  50 static struct omap_musb_board_data musb_board_data = {
  51         .interface_type         = MUSB_INTERFACE_UTMI,
  52         .mode                   = MUSB_PERIPHERAL,
  53         .power                  = 100,
  54 };
  55
  56 static struct omap2_hsmmc_info mmc[] = {
  57         {
  58                 .mmc            = 1,
  59                 .wires          = 8,
  60                 .gpio_wp        = -EINVAL,
  61         },
  62         {}      /* Terminator */
  63 };
  64
  65 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
  66         {
  67                 .supply = "vmmc",
  68                 .dev_name = "mmci-omap-hs.0",
  69         },
  70         {
  71                 .supply = "vmmc",
  72                 .dev_name = "mmci-omap-hs.1",
  73         },
  74 };
  75
  76 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
  77 {
  78         int ret = 0;
  79         struct platform_device *pdev = container_of(dev,
  80                                 struct platform_device, dev);
  81         struct omap_mmc_platform_data *pdata = dev->platform_data;
  82
  83         /* Setting MMC1 Card detect Irq */
  84         if (pdev->id == 0)
  85                 pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
  86                                                 MMCDETECT_INTR_OFFSET;
  87         return ret;
  88 }
  89
  90 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
  91 {
  92         struct omap_mmc_platform_data *pdata = dev->platform_data;
  93
  94         pdata->init =   omap4_twl6030_hsmmc_late_init;
  95 }
  96
  97 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
  98 {
  99         struct omap2_hsmmc_info *c;
 100
 101         omap2_hsmmc_init(controllers);
 102         for (c = controllers; c->mmc; c++)
 103                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 104
 105         return 0;
 106 }
 107
 108 static struct regulator_init_data omap4_panda_vaux1 = {
 109         .constraints = {
 110                 .min_uV                 = 1000000,
 111                 .max_uV                 = 3000000,
 112                 .apply_uV               = true,
 113                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 114                                         | REGULATOR_MODE_STANDBY,
 115                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 116                                         | REGULATOR_CHANGE_MODE
 117                                         | REGULATOR_CHANGE_STATUS,
 118         },
 119 };
 120
 121 static struct regulator_init_data omap4_panda_vaux2 = {
 122         .constraints = {
 123                 .min_uV                 = 1200000,
 124                 .max_uV                 = 2800000,
 125                 .apply_uV               = true,
 126                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 127                                         | REGULATOR_MODE_STANDBY,
 128                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 129                                         | REGULATOR_CHANGE_MODE
 130                                         | REGULATOR_CHANGE_STATUS,
 131         },
 132 };
 133
 134 static struct regulator_init_data omap4_panda_vaux3 = {
 135         .constraints = {
 136                 .min_uV                 = 1000000,
 137                 .max_uV                 = 3000000,
 138                 .apply_uV               = true,
 139                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 140                                         | REGULATOR_MODE_STANDBY,
 141                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 142                                         | REGULATOR_CHANGE_MODE
 143                                         | REGULATOR_CHANGE_STATUS,
 144         },
 145 };
 146
 147 /* VMMC1 for MMC1 card */
 148 static struct regulator_init_data omap4_panda_vmmc = {
 149         .constraints = {
 150                 .min_uV                 = 1200000,
 151                 .max_uV                 = 3000000,
 152                 .apply_uV               = true,
 153                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 154                                         | REGULATOR_MODE_STANDBY,
 155                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 156                                         | REGULATOR_CHANGE_MODE
 157                                         | REGULATOR_CHANGE_STATUS,
 158         },
 159         .num_consumer_supplies  = 2,
 160         .consumer_supplies      = omap4_panda_vmmc_supply,
 161 };
 162
 163 static struct regulator_init_data omap4_panda_vpp = {
 164         .constraints = {
 165                 .min_uV                 = 1800000,
 166                 .max_uV                 = 2500000,
 167                 .apply_uV               = true,
 168                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 169                                         | REGULATOR_MODE_STANDBY,
 170                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 171                                         | REGULATOR_CHANGE_MODE
 172                                         | REGULATOR_CHANGE_STATUS,
 173         },
 174 };
 175
 176 static struct regulator_init_data omap4_panda_vusim = {
 177         .constraints = {
 178                 .min_uV                 = 1200000,
 179                 .max_uV                 = 2900000,
 180                 .apply_uV               = true,
 181                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 182                                         | REGULATOR_MODE_STANDBY,
 183                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 184                                         | REGULATOR_CHANGE_MODE
 185                                         | REGULATOR_CHANGE_STATUS,
 186         },
 187 };
 188
 189 static struct regulator_init_data omap4_panda_vana = {
 190         .constraints = {
 191                 .min_uV                 = 2100000,
 192                 .max_uV                 = 2100000,
 193                 .apply_uV               = true,
 194                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 195                                         | REGULATOR_MODE_STANDBY,
 196                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 197                                         | REGULATOR_CHANGE_STATUS,
 198         },
 199 };
 200
 201 static struct regulator_init_data omap4_panda_vcxio = {
 202         .constraints = {
 203                 .min_uV                 = 1800000,
 204                 .max_uV                 = 1800000,
 205                 .apply_uV               = true,
 206                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 207                                         | REGULATOR_MODE_STANDBY,
 208                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 209                                         | REGULATOR_CHANGE_STATUS,
 210         },
 211 };
 212
 213 static struct regulator_init_data omap4_panda_vdac = {
 214         .constraints = {
 215                 .min_uV                 = 1800000,
 216                 .max_uV                 = 1800000,
 217                 .apply_uV               = true,
 218                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 219                                         | REGULATOR_MODE_STANDBY,
 220                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 221                                         | REGULATOR_CHANGE_STATUS,
 222         },
 223 };
 224
 225 static struct regulator_init_data omap4_panda_vusb = {
 226         .constraints = {
 227                 .min_uV                 = 3300000,
 228                 .max_uV                 = 3300000,
 229                 .apply_uV               = true,
 230                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 231                                         | REGULATOR_MODE_STANDBY,
 232                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 233                                         | REGULATOR_CHANGE_STATUS,
 234         },
 235 };
 236
 237 static struct twl4030_platform_data omap4_panda_twldata = {
 238         .irq_base       = TWL6030_IRQ_BASE,
 239         .irq_end        = TWL6030_IRQ_END,
 240
 241         /* Regulators */
 242         .vmmc           = &omap4_panda_vmmc,
 243         .vpp            = &omap4_panda_vpp,
 244         .vusim          = &omap4_panda_vusim,
 245         .vana           = &omap4_panda_vana,
 246         .vcxio          = &omap4_panda_vcxio,
 247         .vdac           = &omap4_panda_vdac,
 248         .vusb           = &omap4_panda_vusb,
 249         .vaux1          = &omap4_panda_vaux1,
 250         .vaux2          = &omap4_panda_vaux2,
 251         .vaux3          = &omap4_panda_vaux3,
 252 };
 253
 254 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 255         {
 256                 I2C_BOARD_INFO("twl6030", 0x48),
 257                 .flags = I2C_CLIENT_WAKE,
 258                 .irq = OMAP44XX_IRQ_SYS_1N,
 259                 .platform_data = &omap4_panda_twldata,
 260         },
 261 };
 262 static int __init omap4_panda_i2c_init(void)
 263 {
 264         /*
 265          * Phoenix Audio IC needs I2C1 to
 266          * start with 400 KHz or less
 267          */
 268         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 269                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 270         omap_register_i2c_bus(2, 400, NULL, 0);
 271         omap_register_i2c_bus(3, 400, NULL, 0);
 272         omap_register_i2c_bus(4, 400, NULL, 0);
 273         return 0;
 274 }
 275 static void __init omap4_panda_init(void)
 276 {
 277         int status;
 278
 279         omap4_panda_i2c_init();
 280         omap_serial_init();
 281         omap4_twl6030_hsmmc_init(mmc);
 282         /* OMAP4 Panda uses internal transceiver so register nop transceiver */
 283         usb_nop_xceiv_register();
 284         if (!cpu_is_omap44xx())
 285                 usb_musb_init(&musb_board_data);
 286 }
 287
 288 static void __init omap4_panda_map_io(void)
 289 {
 290         omap2_set_globals_443x();
 291         omap44xx_map_common_io();
 292 }
 293
 294 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 295         /* Maintainer: David Anders - Texas Instruments Inc */
 296         .phys_io        = 0x48000000,
 297         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 298         .boot_params    = 0x80000100,
 299         .map_io         = omap4_panda_map_io,
 300         .init_irq       = omap4_panda_init_irq,
 301         .init_machine   = omap4_panda_init,
 302         .timer          = &omap_timer,
 303 MACHINE_END