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/usb/phy.h>
  34 #include <linux/usb/nop-usb-xceiv.h>
  35 #include <linux/wl12xx.h>
  36 #include <linux/irqchip/arm-gic.h>
  37 #include <linux/platform_data/omap-abe-twl6040.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include "common.h"
  44 #include "soc.h"
  45 #include "mmc.h"
  46 #include "hsmmc.h"
  47 #include "control.h"
  48 #include "mux.h"
  49 #include "common-board-devices.h"
  50 #include "dss-common.h"
  51
  52 #define GPIO_HUB_POWER          1
  53 #define GPIO_HUB_NRESET         62
  54 #define GPIO_WIFI_PMENA         43
  55 #define GPIO_WIFI_IRQ           53
  56
  57 /* wl127x BT, FM, GPS connectivity chip */
  58 static struct ti_st_plat_data wilink_platform_data = {
  59         .nshutdown_gpio = 46,
  60         .dev_name       = "/dev/ttyO1",
  61         .flow_cntrl     = 1,
  62         .baud_rate      = 3000000,
  63         .chip_enable    = NULL,
  64         .suspend        = NULL,
  65         .resume         = NULL,
  66 };
  67
  68 static struct platform_device wl1271_device = {
  69         .name   = "kim",
  70         .id     = -1,
  71         .dev    = {
  72                 .platform_data  = &wilink_platform_data,
  73         },
  74 };
  75
  76 static struct gpio_led gpio_leds[] = {
  77         {
  78                 .name                   = "pandaboard::status1",
  79                 .default_trigger        = "heartbeat",
  80                 .gpio                   = 7,
  81         },
  82         {
  83                 .name                   = "pandaboard::status2",
  84                 .default_trigger        = "mmc0",
  85                 .gpio                   = 8,
  86         },
  87 };
  88
  89 static struct gpio_led_platform_data gpio_led_info = {
  90         .leds           = gpio_leds,
  91         .num_leds       = ARRAY_SIZE(gpio_leds),
  92 };
  93
  94 static struct platform_device leds_gpio = {
  95         .name   = "leds-gpio",
  96         .id     = -1,
  97         .dev    = {
  98                 .platform_data  = &gpio_led_info,
  99         },
 100 };
 101
 102 static struct omap_abe_twl6040_data panda_abe_audio_data = {
 103         /* Audio out */
 104         .has_hs         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 105         /* HandsFree through expansion connector */
 106         .has_hf         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 107         /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
 108         .has_aux        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 109         /* PandaBoard: FM RX, PandaBoardES: audio in */
 110         .has_afm        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 111         /* No jack detection. */
 112         .jack_detection = 0,
 113         /* MCLK input is 38.4MHz */
 114         .mclk_freq      = 38400000,
 115
 116 };
 117
 118 static struct platform_device panda_abe_audio = {
 119         .name           = "omap-abe-twl6040",
 120         .id             = -1,
 121         .dev = {
 122                 .platform_data = &panda_abe_audio_data,
 123         },
 124 };
 125
 126 static struct platform_device panda_hdmi_audio_codec = {
 127         .name   = "hdmi-audio-codec",
 128         .id     = -1,
 129 };
 130
 131 static struct platform_device btwilink_device = {
 132         .name   = "btwilink",
 133         .id     = -1,
 134 };
 135
 136 /* PHY device on HS USB Port 1 i.e. nop_usb_xceiv.1 */
 137 static struct nop_usb_xceiv_platform_data hsusb1_phy_data = {
 138         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 139         .clk_rate = 19200000,
 140 };
 141
 142 static struct usbhs_phy_data phy_data[] __initdata = {
 143         {
 144                 .port = 1,
 145                 .reset_gpio = GPIO_HUB_NRESET,
 146                 .vcc_gpio = GPIO_HUB_POWER,
 147                 .vcc_polarity = 1,
 148                 .platform_data = &hsusb1_phy_data,
 149         },
 150 };
 151
 152 static struct platform_device *panda_devices[] __initdata = {
 153         &leds_gpio,
 154         &wl1271_device,
 155         &panda_abe_audio,
 156         &panda_hdmi_audio_codec,
 157         &btwilink_device,
 158 };
 159
 160 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 161         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 162 };
 163
 164 static void __init omap4_ehci_init(void)
 165 {
 166         int ret;
 167
 168         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 169         ret = clk_add_alias("main_clk", "nop_usb_xceiv.1", "auxclk3_ck", NULL);
 170         if (ret)
 171                 pr_err("Failed to add main_clk alias to auxclk3_ck\n");
 172
 173         usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 174         usbhs_init(&usbhs_bdata);
 175 }
 176
 177 static struct omap_musb_board_data musb_board_data = {
 178         .interface_type         = MUSB_INTERFACE_UTMI,
 179         .mode                   = MUSB_OTG,
 180         .power                  = 100,
 181 };
 182
 183 static struct omap2_hsmmc_info mmc[] = {
 184         {
 185                 .mmc            = 1,
 186                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 187                 .gpio_wp        = -EINVAL,
 188                 .gpio_cd        = -EINVAL,
 189         },
 190         {
 191                 .name           = "wl1271",
 192                 .mmc            = 5,
 193                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 194                 .gpio_wp        = -EINVAL,
 195                 .gpio_cd        = -EINVAL,
 196                 .ocr_mask       = MMC_VDD_165_195,
 197                 .nonremovable   = true,
 198         },
 199         {}      /* Terminator */
 200 };
 201
 202 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
 203         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
 204 };
 205
 206 static struct regulator_init_data panda_vmmc5 = {
 207         .constraints = {
 208                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 209         },
 210         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
 211         .consumer_supplies = omap4_panda_vmmc5_supply,
 212 };
 213
 214 static struct fixed_voltage_config panda_vwlan = {
 215         .supply_name = "vwl1271",
 216         .microvolts = 1800000, /* 1.8V */
 217         .gpio = GPIO_WIFI_PMENA,
 218         .startup_delay = 70000, /* 70msec */
 219         .enable_high = 1,
 220         .enabled_at_boot = 0,
 221         .init_data = &panda_vmmc5,
 222 };
 223
 224 static struct platform_device omap_vwlan_device = {
 225         .name           = "reg-fixed-voltage",
 226         .id             = 1,
 227         .dev = {
 228                 .platform_data = &panda_vwlan,
 229         },
 230 };
 231
 232 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 233         .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
 234 };
 235
 236 static struct twl6040_codec_data twl6040_codec = {
 237         /* single-step ramp for headset and handsfree */
 238         .hs_left_step   = 0x0f,
 239         .hs_right_step  = 0x0f,
 240         .hf_left_step   = 0x1d,
 241         .hf_right_step  = 0x1d,
 242 };
 243
 244 static struct twl6040_platform_data twl6040_data = {
 245         .codec          = &twl6040_codec,
 246         .audpwron_gpio  = 127,
 247 };
 248
 249 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
 250         {
 251                 I2C_BOARD_INFO("twl6040", 0x4b),
 252                 .irq = 119 + OMAP44XX_IRQ_GIC_START,
 253                 .platform_data = &twl6040_data,
 254         },
 255 };
 256
 257 /* Panda board uses the common PMIC configuration */
 258 static struct twl4030_platform_data omap4_panda_twldata;
 259
 260 /*
 261  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 262  * is connected as I2C slave device, and can be accessed at address 0x50
 263  */
 264 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 265         {
 266                 I2C_BOARD_INFO("eeprom", 0x50),
 267         },
 268 };
 269
 270 static int __init omap4_panda_i2c_init(void)
 271 {
 272         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
 273                         TWL_COMMON_REGULATOR_VDAC |
 274                         TWL_COMMON_REGULATOR_VAUX2 |
 275                         TWL_COMMON_REGULATOR_VAUX3 |
 276                         TWL_COMMON_REGULATOR_VMMC |
 277                         TWL_COMMON_REGULATOR_VPP |
 278                         TWL_COMMON_REGULATOR_VANA |
 279                         TWL_COMMON_REGULATOR_VCXIO |
 280                         TWL_COMMON_REGULATOR_VUSB |
 281                         TWL_COMMON_REGULATOR_CLK32KG |
 282                         TWL_COMMON_REGULATOR_V1V8 |
 283                         TWL_COMMON_REGULATOR_V2V1);
 284         omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
 285                         ARRAY_SIZE(panda_i2c_1_boardinfo));
 286         omap_register_i2c_bus(2, 400, NULL, 0);
 287         /*
 288          * Bus 3 is attached to the DVI port where devices like the pico DLP
 289          * projector don't work reliably with 400kHz
 290          */
 291         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 292                                         ARRAY_SIZE(panda_i2c_eeprom));
 293         omap_register_i2c_bus(4, 400, NULL, 0);
 294         return 0;
 295 }
 296
 297 #ifdef CONFIG_OMAP_MUX
 298 static struct omap_board_mux board_mux[] __initdata = {
 299         /* WLAN IRQ - GPIO 53 */
 300         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 301         /* WLAN POWER ENABLE - GPIO 43 */
 302         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 303         /* WLAN SDIO: MMC5 CMD */
 304         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 305         /* WLAN SDIO: MMC5 CLK */
 306         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 307         /* WLAN SDIO: MMC5 DAT[0-3] */
 308         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 309         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 310         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 311         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 312         /* gpio 0 - TFP410 PD */
 313         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 314         /* dispc2_data23 */
 315         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 316         /* dispc2_data22 */
 317         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 318         /* dispc2_data21 */
 319         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 320         /* dispc2_data20 */
 321         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 322         /* dispc2_data19 */
 323         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 324         /* dispc2_data18 */
 325         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 326         /* dispc2_data15 */
 327         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 328         /* dispc2_data14 */
 329         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 330         /* dispc2_data13 */
 331         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 332         /* dispc2_data12 */
 333         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 334         /* dispc2_data11 */
 335         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 336         /* dispc2_data10 */
 337         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 338         /* dispc2_data9 */
 339         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 340         /* dispc2_data16 */
 341         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 342         /* dispc2_data17 */
 343         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 344         /* dispc2_hsync */
 345         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 346         /* dispc2_pclk */
 347         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 348         /* dispc2_vsync */
 349         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 350         /* dispc2_de */
 351         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 352         /* dispc2_data8 */
 353         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 354         /* dispc2_data7 */
 355         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 356         /* dispc2_data6 */
 357         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 358         /* dispc2_data5 */
 359         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 360         /* dispc2_data4 */
 361         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 362         /* dispc2_data3 */
 363         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 364         /* dispc2_data2 */
 365         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 366         /* dispc2_data1 */
 367         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 368         /* dispc2_data0 */
 369         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 370         /* NIRQ2 for twl6040 */
 371         OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
 372                   OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 373         /* GPIO_127 for twl6040 */
 374         OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 375         /* McPDM */
 376         OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 377         OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 378         OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 379         OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 380         OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 381         /* McBSP1 */
 382         OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 383         OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 384         OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
 385                   OMAP_PULL_ENA),
 386         OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 387
 388         /* UART2 - BT/FM/GPS shared transport */
 389         OMAP4_MUX(UART2_CTS,    OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
 390         OMAP4_MUX(UART2_RTS,    OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 391         OMAP4_MUX(UART2_RX,     OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
 392         OMAP4_MUX(UART2_TX,     OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 393
 394         { .reg_offset = OMAP_MUX_TERMINATOR },
 395 };
 396
 397 #else
 398 #define board_mux       NULL
 399 #endif
 400
 401
 402 static void omap4_panda_init_rev(void)
 403 {
 404         if (cpu_is_omap443x()) {
 405                 /* PandaBoard 4430 */
 406                 /* ASoC audio configuration */
 407                 panda_abe_audio_data.card_name = "PandaBoard";
 408                 panda_abe_audio_data.has_hsmic = 1;
 409         } else {
 410                 /* PandaBoard ES */
 411                 /* ASoC audio configuration */
 412                 panda_abe_audio_data.card_name = "PandaBoardES";
 413         }
 414 }
 415
 416 static void __init omap4_panda_init(void)
 417 {
 418         int package = OMAP_PACKAGE_CBS;
 419         int ret;
 420
 421         if (omap_rev() == OMAP4430_REV_ES1_0)
 422                 package = OMAP_PACKAGE_CBL;
 423         omap4_mux_init(board_mux, NULL, package);
 424
 425         omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
 426         ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
 427         if (ret)
 428                 pr_err("error setting wl12xx data: %d\n", ret);
 429
 430         omap4_panda_init_rev();
 431         omap4_panda_i2c_init();
 432         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 433         platform_device_register(&omap_vwlan_device);
 434         omap_serial_init();
 435         omap_sdrc_init(NULL, NULL);
 436         omap4_twl6030_hsmmc_init(mmc);
 437         omap4_ehci_init();
 438         usb_bind_phy("musb-hdrc.2.auto", 0, "omap-usb2.3.auto");
 439         usb_musb_init(&musb_board_data);
 440         omap4_panda_display_init();
 441 }
 442
 443 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 444         /* Maintainer: David Anders - Texas Instruments Inc */
 445         .atag_offset    = 0x100,
 446         .smp            = smp_ops(omap4_smp_ops),
 447         .reserve        = omap_reserve,
 448         .map_io         = omap4_map_io,
 449         .init_early     = omap4430_init_early,
 450         .init_irq       = gic_init_irq,
 451         .init_machine   = omap4_panda_init,
 452         .init_late      = omap4430_init_late,
 453         .init_time      = omap4_local_timer_init,
 454         .restart        = omap44xx_restart,
 455 MACHINE_END