arch/arm/mach-omap2/board-4430sdp.c

   1 /*
   2  * Board support file for OMAP4430 SDP.
   3  *
   4  * Copyright (C) 2009 Texas Instruments
   5  *
   6  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  *
   8  * Based on mach-omap2/board-3430sdp.c
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/io.h>
  19 #include <linux/gpio.h>
  20 #include <linux/usb/otg.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/i2c/twl.h>
  23 #include <linux/regulator/machine.h>
  24
  25 #include <mach/hardware.h>
  26 #include <mach/omap4-common.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <plat/board.h>
  32 #include <plat/common.h>
  33 #include <plat/control.h>
  34 #include <plat/timer-gp.h>
  35 #include <plat/usb.h>
  36 #include <plat/mmc.h>
  37 #include "hsmmc.h"
  38
  39 #define ETH_KS8851_IRQ                  34
  40 #define ETH_KS8851_POWER_ON             48
  41 #define ETH_KS8851_QUART                138
  42
  43 static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
  44         {
  45                 .modalias               = "ks8851",
  46                 .bus_num                = 1,
  47                 .chip_select            = 0,
  48                 .max_speed_hz           = 24000000,
  49                 .irq                    = ETH_KS8851_IRQ,
  50         },
  51 };
  52
  53 static int omap_ethernet_init(void)
  54 {
  55         int status;
  56
  57         /* Request of GPIO lines */
  58
  59         status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
  60         if (status) {
  61                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
  62                 return status;
  63         }
  64
  65         status = gpio_request(ETH_KS8851_QUART, "quart");
  66         if (status) {
  67                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
  68                 goto error1;
  69         }
  70
  71         status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
  72         if (status) {
  73                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
  74                 goto error2;
  75         }
  76
  77         /* Configuration of requested GPIO lines */
  78
  79         status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
  80         if (status) {
  81                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
  82                 goto error3;
  83         }
  84
  85         status = gpio_direction_output(ETH_KS8851_QUART, 1);
  86         if (status) {
  87                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
  88                 goto error3;
  89         }
  90
  91         status = gpio_direction_input(ETH_KS8851_IRQ);
  92         if (status) {
  93                 pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
  94                 goto error3;
  95         }
  96
  97         return 0;
  98
  99 error3:
 100         gpio_free(ETH_KS8851_IRQ);
 101 error2:
 102         gpio_free(ETH_KS8851_QUART);
 103 error1:
 104         gpio_free(ETH_KS8851_POWER_ON);
 105         return status;
 106 }
 107
 108 static struct platform_device sdp4430_lcd_device = {
 109         .name           = "sdp4430_lcd",
 110         .id             = -1,
 111 };
 112
 113 static struct platform_device *sdp4430_devices[] __initdata = {
 114         &sdp4430_lcd_device,
 115 };
 116
 117 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
 118         .ctrl_name      = "internal",
 119 };
 120
 121 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
 122         { OMAP_TAG_LCD,         &sdp4430_lcd_config },
 123 };
 124
 125 static void __init omap_4430sdp_init_irq(void)
 126 {
 127         omap_board_config = sdp4430_config;
 128         omap_board_config_size = ARRAY_SIZE(sdp4430_config);
 129         omap2_init_common_hw(NULL, NULL);
 130 #ifdef CONFIG_OMAP_32K_TIMER
 131         omap2_gp_clockevent_set_gptimer(1);
 132 #endif
 133         gic_init_irq();
 134         omap_gpio_init();
 135 }
 136
 137 static struct omap_musb_board_data musb_board_data = {
 138         .interface_type         = MUSB_INTERFACE_UTMI,
 139         .mode                   = MUSB_PERIPHERAL,
 140         .power                  = 100,
 141 };
 142
 143 static struct omap2_hsmmc_info mmc[] = {
 144         {
 145                 .mmc            = 1,
 146                 .wires          = 8,
 147                 .gpio_wp        = -EINVAL,
 148         },
 149         {
 150                 .mmc            = 2,
 151                 .wires          = 8,
 152                 .gpio_cd        = -EINVAL,
 153                 .gpio_wp        = -EINVAL,
 154                 .nonremovable   = true,
 155         },
 156         {}      /* Terminator */
 157 };
 158
 159 static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
 160         {
 161                 .supply = "vmmc",
 162                 .dev_name = "mmci-omap-hs.1",
 163         },
 164 };
 165 static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
 166         {
 167                 .supply = "vmmc",
 168                 .dev_name = "mmci-omap-hs.0",
 169         },
 170 };
 171
 172 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 173 {
 174         int ret = 0;
 175         struct platform_device *pdev = container_of(dev,
 176                                 struct platform_device, dev);
 177         struct omap_mmc_platform_data *pdata = dev->platform_data;
 178
 179         /* Setting MMC1 Card detect Irq */
 180         if (pdev->id == 0)
 181                 pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
 182                                                 MMCDETECT_INTR_OFFSET;
 183         return ret;
 184 }
 185
 186 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 187 {
 188         struct omap_mmc_platform_data *pdata = dev->platform_data;
 189
 190         pdata->init =   omap4_twl6030_hsmmc_late_init;
 191 }
 192
 193 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 194 {
 195         struct omap2_hsmmc_info *c;
 196
 197         omap2_hsmmc_init(controllers);
 198         for (c = controllers; c->mmc; c++)
 199                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 200
 201         return 0;
 202 }
 203
 204 static struct regulator_init_data sdp4430_vaux1 = {
 205         .constraints = {
 206                 .min_uV                 = 1000000,
 207                 .max_uV                 = 3000000,
 208                 .apply_uV               = true,
 209                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 210                                         | REGULATOR_MODE_STANDBY,
 211                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 212                                         | REGULATOR_CHANGE_MODE
 213                                         | REGULATOR_CHANGE_STATUS,
 214         },
 215         .num_consumer_supplies  = 1,
 216         .consumer_supplies      = sdp4430_vaux_supply,
 217 };
 218
 219 static struct regulator_init_data sdp4430_vaux2 = {
 220         .constraints = {
 221                 .min_uV                 = 1200000,
 222                 .max_uV                 = 2800000,
 223                 .apply_uV               = true,
 224                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 225                                         | REGULATOR_MODE_STANDBY,
 226                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 227                                         | REGULATOR_CHANGE_MODE
 228                                         | REGULATOR_CHANGE_STATUS,
 229         },
 230 };
 231
 232 static struct regulator_init_data sdp4430_vaux3 = {
 233         .constraints = {
 234                 .min_uV                 = 1000000,
 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_VOLTAGE
 240                                         | REGULATOR_CHANGE_MODE
 241                                         | REGULATOR_CHANGE_STATUS,
 242         },
 243 };
 244
 245 /* VMMC1 for MMC1 card */
 246 static struct regulator_init_data sdp4430_vmmc = {
 247         .constraints = {
 248                 .min_uV                 = 1200000,
 249                 .max_uV                 = 3000000,
 250                 .apply_uV               = true,
 251                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 252                                         | REGULATOR_MODE_STANDBY,
 253                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 254                                         | REGULATOR_CHANGE_MODE
 255                                         | REGULATOR_CHANGE_STATUS,
 256         },
 257         .num_consumer_supplies  = 1,
 258         .consumer_supplies      = sdp4430_vmmc_supply,
 259 };
 260
 261 static struct regulator_init_data sdp4430_vpp = {
 262         .constraints = {
 263                 .min_uV                 = 1800000,
 264                 .max_uV                 = 2500000,
 265                 .apply_uV               = true,
 266                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 267                                         | REGULATOR_MODE_STANDBY,
 268                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 269                                         | REGULATOR_CHANGE_MODE
 270                                         | REGULATOR_CHANGE_STATUS,
 271         },
 272 };
 273
 274 static struct regulator_init_data sdp4430_vusim = {
 275         .constraints = {
 276                 .min_uV                 = 1200000,
 277                 .max_uV                 = 2900000,
 278                 .apply_uV               = true,
 279                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 280                                         | REGULATOR_MODE_STANDBY,
 281                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 282                                         | REGULATOR_CHANGE_MODE
 283                                         | REGULATOR_CHANGE_STATUS,
 284         },
 285 };
 286
 287 static struct regulator_init_data sdp4430_vana = {
 288         .constraints = {
 289                 .min_uV                 = 2100000,
 290                 .max_uV                 = 2100000,
 291                 .apply_uV               = true,
 292                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 293                                         | REGULATOR_MODE_STANDBY,
 294                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 295                                         | REGULATOR_CHANGE_STATUS,
 296         },
 297 };
 298
 299 static struct regulator_init_data sdp4430_vcxio = {
 300         .constraints = {
 301                 .min_uV                 = 1800000,
 302                 .max_uV                 = 1800000,
 303                 .apply_uV               = true,
 304                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 305                                         | REGULATOR_MODE_STANDBY,
 306                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 307                                         | REGULATOR_CHANGE_STATUS,
 308         },
 309 };
 310
 311 static struct regulator_init_data sdp4430_vdac = {
 312         .constraints = {
 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 };
 322
 323 static struct regulator_init_data sdp4430_vusb = {
 324         .constraints = {
 325                 .min_uV                 = 3300000,
 326                 .max_uV                 = 3300000,
 327                 .apply_uV               = true,
 328                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 329                                         | REGULATOR_MODE_STANDBY,
 330                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 331                                         | REGULATOR_CHANGE_STATUS,
 332         },
 333 };
 334
 335 static struct twl4030_platform_data sdp4430_twldata = {
 336         .irq_base       = TWL6030_IRQ_BASE,
 337         .irq_end        = TWL6030_IRQ_END,
 338
 339         /* Regulators */
 340         .vmmc           = &sdp4430_vmmc,
 341         .vpp            = &sdp4430_vpp,
 342         .vusim          = &sdp4430_vusim,
 343         .vana           = &sdp4430_vana,
 344         .vcxio          = &sdp4430_vcxio,
 345         .vdac           = &sdp4430_vdac,
 346         .vusb           = &sdp4430_vusb,
 347         .vaux1          = &sdp4430_vaux1,
 348         .vaux2          = &sdp4430_vaux2,
 349         .vaux3          = &sdp4430_vaux3,
 350 };
 351
 352 static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
 353         {
 354                 I2C_BOARD_INFO("twl6030", 0x48),
 355                 .flags = I2C_CLIENT_WAKE,
 356                 .irq = OMAP44XX_IRQ_SYS_1N,
 357                 .platform_data = &sdp4430_twldata,
 358         },
 359 };
 360 static int __init omap4_i2c_init(void)
 361 {
 362         /*
 363          * Phoenix Audio IC needs I2C1 to
 364          * start with 400 KHz or less
 365          */
 366         omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
 367                         ARRAY_SIZE(sdp4430_i2c_boardinfo));
 368         omap_register_i2c_bus(2, 400, NULL, 0);
 369         omap_register_i2c_bus(3, 400, NULL, 0);
 370         omap_register_i2c_bus(4, 400, NULL, 0);
 371         return 0;
 372 }
 373 static void __init omap_4430sdp_init(void)
 374 {
 375         int status;
 376
 377         omap4_i2c_init();
 378         platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 379         omap_serial_init();
 380         omap4_twl6030_hsmmc_init(mmc);
 381         /* OMAP4 SDP uses internal transceiver so register nop transceiver */
 382         usb_nop_xceiv_register();
 383         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 384         if (!cpu_is_omap44xx())
 385                 usb_musb_init(&musb_board_data);
 386
 387         status = omap_ethernet_init();
 388         if (status) {
 389                 pr_err("Ethernet initialization failed: %d\n", status);
 390         } else {
 391                 sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
 392                 spi_register_board_info(sdp4430_spi_board_info,
 393                                 ARRAY_SIZE(sdp4430_spi_board_info));
 394         }
 395 }
 396
 397 static void __init omap_4430sdp_map_io(void)
 398 {
 399         omap2_set_globals_443x();
 400         omap44xx_map_common_io();
 401 }
 402
 403 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
 404         /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
 405         .phys_io        = 0x48000000,
 406         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 407         .boot_params    = 0x80000100,
 408         .map_io         = omap_4430sdp_map_io,
 409         .init_irq       = omap_4430sdp_init_irq,
 410         .init_machine   = omap_4430sdp_init,
 411         .timer          = &omap_timer,
 412 MACHINE_END