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/clk.h>
  23 #include <linux/io.h>
  24 #include <linux/leds.h>
  25 #include <linux/gpio.h>
  26 #include <linux/usb/otg.h>
  27 #include <linux/i2c/twl.h>
  28 #include <linux/mfd/twl6040.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/regulator/fixed.h>
  31 #include <linux/ti_wilink_st.h>
  32 #include <linux/usb/musb.h>
  33 #include <linux/wl12xx.h>
  34 #include <linux/platform_data/omap-abe-twl6040.h>
  35
  36 #include <asm/hardware/gic.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 #include "common.h"
  42 #include "soc.h"
  43 #include "mmc.h"
  44 #include "hsmmc.h"
  45 #include "control.h"
  46 #include "mux.h"
  47 #include "common-board-devices.h"
  48 #include "dss-common.h"
  49
  50 #define GPIO_HUB_POWER          1
  51 #define GPIO_HUB_NRESET         62
  52 #define GPIO_WIFI_PMENA         43
  53 #define GPIO_WIFI_IRQ           53
  54
  55 /* wl127x BT, FM, GPS connectivity chip */
  56 static struct ti_st_plat_data wilink_platform_data = {
  57         .nshutdown_gpio = 46,
  58         .dev_name       = "/dev/ttyO1",
  59         .flow_cntrl     = 1,
  60         .baud_rate      = 3000000,
  61         .chip_enable    = NULL,
  62         .suspend        = NULL,
  63         .resume         = NULL,
  64 };
  65
  66 static struct platform_device wl1271_device = {
  67         .name   = "kim",
  68         .id     = -1,
  69         .dev    = {
  70                 .platform_data  = &wilink_platform_data,
  71         },
  72 };
  73
  74 static struct gpio_led gpio_leds[] = {
  75         {
  76                 .name                   = "pandaboard::status1",
  77                 .default_trigger        = "heartbeat",
  78                 .gpio                   = 7,
  79         },
  80         {
  81                 .name                   = "pandaboard::status2",
  82                 .default_trigger        = "mmc0",
  83                 .gpio                   = 8,
  84         },
  85 };
  86
  87 static struct gpio_led_platform_data gpio_led_info = {
  88         .leds           = gpio_leds,
  89         .num_leds       = ARRAY_SIZE(gpio_leds),
  90 };
  91
  92 static struct platform_device leds_gpio = {
  93         .name   = "leds-gpio",
  94         .id     = -1,
  95         .dev    = {
  96                 .platform_data  = &gpio_led_info,
  97         },
  98 };
  99
 100 static struct omap_abe_twl6040_data panda_abe_audio_data = {
 101         /* Audio out */
 102         .has_hs         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 103         /* HandsFree through expansion connector */
 104         .has_hf         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 105         /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
 106         .has_aux        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 107         /* PandaBoard: FM RX, PandaBoardES: audio in */
 108         .has_afm        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 109         /* No jack detection. */
 110         .jack_detection = 0,
 111         /* MCLK input is 38.4MHz */
 112         .mclk_freq      = 38400000,
 113
 114 };
 115
 116 static struct platform_device panda_abe_audio = {
 117         .name           = "omap-abe-twl6040",
 118         .id             = -1,
 119         .dev = {
 120                 .platform_data = &panda_abe_audio_data,
 121         },
 122 };
 123
 124 static struct platform_device panda_hdmi_audio_codec = {
 125         .name   = "hdmi-audio-codec",
 126         .id     = -1,
 127 };
 128
 129 static struct platform_device btwilink_device = {
 130         .name   = "btwilink",
 131         .id     = -1,
 132 };
 133
 134 static struct platform_device *panda_devices[] __initdata = {
 135         &leds_gpio,
 136         &wl1271_device,
 137         &panda_abe_audio,
 138         &panda_hdmi_audio_codec,
 139         &btwilink_device,
 140 };
 141
 142 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 143         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 144         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 145         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 146         .phy_reset  = false,
 147         .reset_gpio_port[0]  = -EINVAL,
 148         .reset_gpio_port[1]  = -EINVAL,
 149         .reset_gpio_port[2]  = -EINVAL
 150 };
 151
 152 static struct gpio panda_ehci_gpios[] __initdata = {
 153         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
 154         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
 155 };
 156
 157 static void __init omap4_ehci_init(void)
 158 {
 159         int ret;
 160         struct clk *phy_ref_clk;
 161
 162         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 163         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 164         if (IS_ERR(phy_ref_clk)) {
 165                 pr_err("Cannot request auxclk3\n");
 166                 return;
 167         }
 168         clk_set_rate(phy_ref_clk, 19200000);
 169         clk_prepare_enable(phy_ref_clk);
 170
 171         /* disable the power to the usb hub prior to init and reset phy+hub */
 172         ret = gpio_request_array(panda_ehci_gpios,
 173                                  ARRAY_SIZE(panda_ehci_gpios));
 174         if (ret) {
 175                 pr_err("Unable to initialize EHCI power/reset\n");
 176                 return;
 177         }
 178
 179         gpio_export(GPIO_HUB_POWER, 0);
 180         gpio_export(GPIO_HUB_NRESET, 0);
 181         gpio_set_value(GPIO_HUB_NRESET, 1);
 182
 183         usbhs_init(&usbhs_bdata);
 184
 185         /* enable power to hub */
 186         gpio_set_value(GPIO_HUB_POWER, 1);
 187 }
 188
 189 static struct omap_musb_board_data musb_board_data = {
 190         .interface_type         = MUSB_INTERFACE_UTMI,
 191         .mode                   = MUSB_OTG,
 192         .power                  = 100,
 193 };
 194
 195 static struct omap2_hsmmc_info mmc[] = {
 196         {
 197                 .mmc            = 1,
 198                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 199                 .gpio_wp        = -EINVAL,
 200                 .gpio_cd        = -EINVAL,
 201         },
 202         {
 203                 .name           = "wl1271",
 204                 .mmc            = 5,
 205                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 206                 .gpio_wp        = -EINVAL,
 207                 .gpio_cd        = -EINVAL,
 208                 .ocr_mask       = MMC_VDD_165_195,
 209                 .nonremovable   = true,
 210         },
 211         {}      /* Terminator */
 212 };
 213
 214 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
 215         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
 216 };
 217
 218 static struct regulator_init_data panda_vmmc5 = {
 219         .constraints = {
 220                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 221         },
 222         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
 223         .consumer_supplies = omap4_panda_vmmc5_supply,
 224 };
 225
 226 static struct fixed_voltage_config panda_vwlan = {
 227         .supply_name = "vwl1271",
 228         .microvolts = 1800000, /* 1.8V */
 229         .gpio = GPIO_WIFI_PMENA,
 230         .startup_delay = 70000, /* 70msec */
 231         .enable_high = 1,
 232         .enabled_at_boot = 0,
 233         .init_data = &panda_vmmc5,
 234 };
 235
 236 static struct platform_device omap_vwlan_device = {
 237         .name           = "reg-fixed-voltage",
 238         .id             = 1,
 239         .dev = {
 240                 .platform_data = &panda_vwlan,
 241         },
 242 };
 243
 244 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 245         .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
 246 };
 247
 248 static struct twl6040_codec_data twl6040_codec = {
 249         /* single-step ramp for headset and handsfree */
 250         .hs_left_step   = 0x0f,
 251         .hs_right_step  = 0x0f,
 252         .hf_left_step   = 0x1d,
 253         .hf_right_step  = 0x1d,
 254 };
 255
 256 static struct twl6040_platform_data twl6040_data = {
 257         .codec          = &twl6040_codec,
 258         .audpwron_gpio  = 127,
 259 };
 260
 261 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
 262         {
 263                 I2C_BOARD_INFO("twl6040", 0x4b),
 264                 .irq = 119 + OMAP44XX_IRQ_GIC_START,
 265                 .platform_data = &twl6040_data,
 266         },
 267 };
 268
 269 /* Panda board uses the common PMIC configuration */
 270 static struct twl4030_platform_data omap4_panda_twldata;
 271
 272 /*
 273  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 274  * is connected as I2C slave device, and can be accessed at address 0x50
 275  */
 276 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 277         {
 278                 I2C_BOARD_INFO("eeprom", 0x50),
 279         },
 280 };
 281
 282 static int __init omap4_panda_i2c_init(void)
 283 {
 284         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
 285                         TWL_COMMON_REGULATOR_VDAC |
 286                         TWL_COMMON_REGULATOR_VAUX2 |
 287                         TWL_COMMON_REGULATOR_VAUX3 |
 288                         TWL_COMMON_REGULATOR_VMMC |
 289                         TWL_COMMON_REGULATOR_VPP |
 290                         TWL_COMMON_REGULATOR_VANA |
 291                         TWL_COMMON_REGULATOR_VCXIO |
 292                         TWL_COMMON_REGULATOR_VUSB |
 293                         TWL_COMMON_REGULATOR_CLK32KG |
 294                         TWL_COMMON_REGULATOR_V1V8 |
 295                         TWL_COMMON_REGULATOR_V2V1);
 296         omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
 297                         ARRAY_SIZE(panda_i2c_1_boardinfo));
 298         omap_register_i2c_bus(2, 400, NULL, 0);
 299         /*
 300          * Bus 3 is attached to the DVI port where devices like the pico DLP
 301          * projector don't work reliably with 400kHz
 302          */
 303         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 304                                         ARRAY_SIZE(panda_i2c_eeprom));
 305         omap_register_i2c_bus(4, 400, NULL, 0);
 306         return 0;
 307 }
 308
 309 #ifdef CONFIG_OMAP_MUX
 310 static struct omap_board_mux board_mux[] __initdata = {
 311         /* WLAN IRQ - GPIO 53 */
 312         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 313         /* WLAN POWER ENABLE - GPIO 43 */
 314         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 315         /* WLAN SDIO: MMC5 CMD */
 316         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 317         /* WLAN SDIO: MMC5 CLK */
 318         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 319         /* WLAN SDIO: MMC5 DAT[0-3] */
 320         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 321         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 322         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 323         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 324         /* gpio 0 - TFP410 PD */
 325         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 326         /* dispc2_data23 */
 327         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 328         /* dispc2_data22 */
 329         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 330         /* dispc2_data21 */
 331         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 332         /* dispc2_data20 */
 333         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 334         /* dispc2_data19 */
 335         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 336         /* dispc2_data18 */
 337         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 338         /* dispc2_data15 */
 339         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 340         /* dispc2_data14 */
 341         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 342         /* dispc2_data13 */
 343         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 344         /* dispc2_data12 */
 345         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 346         /* dispc2_data11 */
 347         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 348         /* dispc2_data10 */
 349         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 350         /* dispc2_data9 */
 351         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 352         /* dispc2_data16 */
 353         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 354         /* dispc2_data17 */
 355         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 356         /* dispc2_hsync */
 357         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 358         /* dispc2_pclk */
 359         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 360         /* dispc2_vsync */
 361         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 362         /* dispc2_de */
 363         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 364         /* dispc2_data8 */
 365         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 366         /* dispc2_data7 */
 367         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 368         /* dispc2_data6 */
 369         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 370         /* dispc2_data5 */
 371         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 372         /* dispc2_data4 */
 373         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 374         /* dispc2_data3 */
 375         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 376         /* dispc2_data2 */
 377         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 378         /* dispc2_data1 */
 379         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 380         /* dispc2_data0 */
 381         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 382         /* NIRQ2 for twl6040 */
 383         OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
 384                   OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 385         /* GPIO_127 for twl6040 */
 386         OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 387         /* McPDM */
 388         OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 389         OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 390         OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 391         OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 392         OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 393         /* McBSP1 */
 394         OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 395         OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 396         OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
 397                   OMAP_PULL_ENA),
 398         OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 399
 400         { .reg_offset = OMAP_MUX_TERMINATOR },
 401 };
 402
 403 #else
 404 #define board_mux       NULL
 405 #endif
 406
 407
 408 static void omap4_panda_init_rev(void)
 409 {
 410         if (cpu_is_omap443x()) {
 411                 /* PandaBoard 4430 */
 412                 /* ASoC audio configuration */
 413                 panda_abe_audio_data.card_name = "PandaBoard";
 414                 panda_abe_audio_data.has_hsmic = 1;
 415         } else {
 416                 /* PandaBoard ES */
 417                 /* ASoC audio configuration */
 418                 panda_abe_audio_data.card_name = "PandaBoardES";
 419         }
 420 }
 421
 422 static void __init omap4_panda_init(void)
 423 {
 424         int package = OMAP_PACKAGE_CBS;
 425         int ret;
 426
 427         if (omap_rev() == OMAP4430_REV_ES1_0)
 428                 package = OMAP_PACKAGE_CBL;
 429         omap4_mux_init(board_mux, NULL, package);
 430
 431         omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
 432         ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
 433         if (ret)
 434                 pr_err("error setting wl12xx data: %d\n", ret);
 435
 436         omap4_panda_init_rev();
 437         omap4_panda_i2c_init();
 438         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 439         platform_device_register(&omap_vwlan_device);
 440         omap_serial_init();
 441         omap_sdrc_init(NULL, NULL);
 442         omap4_twl6030_hsmmc_init(mmc);
 443         omap4_ehci_init();
 444         usb_musb_init(&musb_board_data);
 445         omap4_panda_display_init();
 446 }
 447
 448 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 449         /* Maintainer: David Anders - Texas Instruments Inc */
 450         .atag_offset    = 0x100,
 451         .smp            = smp_ops(omap4_smp_ops),
 452         .reserve        = omap_reserve,
 453         .map_io         = omap4_map_io,
 454         .init_early     = omap4430_init_early,
 455         .init_irq       = gic_init_irq,
 456         .handle_irq     = gic_handle_irq,
 457         .init_machine   = omap4_panda_init,
 458         .init_late      = omap4430_init_late,
 459         .timer          = &omap4_timer,
 460         .restart        = omap44xx_restart,
 461 MACHINE_END