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/wl12xx.h>
  35 #include <linux/irqchip/arm-gic.h>
  36 #include <linux/platform_data/omap-abe-twl6040.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41
  42 #include "common.h"
  43 #include "soc.h"
  44 #include "mmc.h"
  45 #include "hsmmc.h"
  46 #include "control.h"
  47 #include "mux.h"
  48 #include "common-board-devices.h"
  49 #include "dss-common.h"
  50
  51 #define GPIO_HUB_POWER          1
  52 #define GPIO_HUB_NRESET         62
  53 #define GPIO_WIFI_PMENA         43
  54 #define GPIO_WIFI_IRQ           53
  55
  56 /* wl127x BT, FM, GPS connectivity chip */
  57 static struct ti_st_plat_data wilink_platform_data = {
  58         .nshutdown_gpio = 46,
  59         .dev_name       = "/dev/ttyO1",
  60         .flow_cntrl     = 1,
  61         .baud_rate      = 3000000,
  62         .chip_enable    = NULL,
  63         .suspend        = NULL,
  64         .resume         = NULL,
  65 };
  66
  67 static struct platform_device wl1271_device = {
  68         .name   = "kim",
  69         .id     = -1,
  70         .dev    = {
  71                 .platform_data  = &wilink_platform_data,
  72         },
  73 };
  74
  75 static struct gpio_led gpio_leds[] = {
  76         {
  77                 .name                   = "pandaboard::status1",
  78                 .default_trigger        = "heartbeat",
  79                 .gpio                   = 7,
  80         },
  81         {
  82                 .name                   = "pandaboard::status2",
  83                 .default_trigger        = "mmc0",
  84                 .gpio                   = 8,
  85         },
  86 };
  87
  88 static struct gpio_led_platform_data gpio_led_info = {
  89         .leds           = gpio_leds,
  90         .num_leds       = ARRAY_SIZE(gpio_leds),
  91 };
  92
  93 static struct platform_device leds_gpio = {
  94         .name   = "leds-gpio",
  95         .id     = -1,
  96         .dev    = {
  97                 .platform_data  = &gpio_led_info,
  98         },
  99 };
 100
 101 static struct omap_abe_twl6040_data panda_abe_audio_data = {
 102         /* Audio out */
 103         .has_hs         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 104         /* HandsFree through expansion connector */
 105         .has_hf         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 106         /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
 107         .has_aux        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 108         /* PandaBoard: FM RX, PandaBoardES: audio in */
 109         .has_afm        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
 110         /* No jack detection. */
 111         .jack_detection = 0,
 112         /* MCLK input is 38.4MHz */
 113         .mclk_freq      = 38400000,
 114
 115 };
 116
 117 static struct platform_device panda_abe_audio = {
 118         .name           = "omap-abe-twl6040",
 119         .id             = -1,
 120         .dev = {
 121                 .platform_data = &panda_abe_audio_data,
 122         },
 123 };
 124
 125 static struct platform_device panda_hdmi_audio_codec = {
 126         .name   = "hdmi-audio-codec",
 127         .id     = -1,
 128 };
 129
 130 static struct platform_device btwilink_device = {
 131         .name   = "btwilink",
 132         .id     = -1,
 133 };
 134
 135 static struct platform_device *panda_devices[] __initdata = {
 136         &leds_gpio,
 137         &wl1271_device,
 138         &panda_abe_audio,
 139         &panda_hdmi_audio_codec,
 140         &btwilink_device,
 141 };
 142
 143 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 144         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 145         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 146         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 147         .phy_reset  = false,
 148         .reset_gpio_port[0]  = -EINVAL,
 149         .reset_gpio_port[1]  = -EINVAL,
 150         .reset_gpio_port[2]  = -EINVAL
 151 };
 152
 153 static struct gpio panda_ehci_gpios[] __initdata = {
 154         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
 155         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
 156 };
 157
 158 static void __init omap4_ehci_init(void)
 159 {
 160         int ret;
 161         struct clk *phy_ref_clk;
 162
 163         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 164         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 165         if (IS_ERR(phy_ref_clk)) {
 166                 pr_err("Cannot request auxclk3\n");
 167                 return;
 168         }
 169         clk_set_rate(phy_ref_clk, 19200000);
 170         clk_prepare_enable(phy_ref_clk);
 171
 172         /* disable the power to the usb hub prior to init and reset phy+hub */
 173         ret = gpio_request_array(panda_ehci_gpios,
 174                                  ARRAY_SIZE(panda_ehci_gpios));
 175         if (ret) {
 176                 pr_err("Unable to initialize EHCI power/reset\n");
 177                 return;
 178         }
 179
 180         gpio_export(GPIO_HUB_POWER, 0);
 181         gpio_export(GPIO_HUB_NRESET, 0);
 182         gpio_set_value(GPIO_HUB_NRESET, 1);
 183
 184         usbhs_init(&usbhs_bdata);
 185
 186         /* enable power to hub */
 187         gpio_set_value(GPIO_HUB_POWER, 1);
 188 }
 189
 190 static struct omap_musb_board_data musb_board_data = {
 191         .interface_type         = MUSB_INTERFACE_UTMI,
 192         .mode                   = MUSB_OTG,
 193         .power                  = 100,
 194 };
 195
 196 static struct omap2_hsmmc_info mmc[] = {
 197         {
 198                 .mmc            = 1,
 199                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 200                 .gpio_wp        = -EINVAL,
 201                 .gpio_cd        = -EINVAL,
 202         },
 203         {
 204                 .name           = "wl1271",
 205                 .mmc            = 5,
 206                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 207                 .gpio_wp        = -EINVAL,
 208                 .gpio_cd        = -EINVAL,
 209                 .ocr_mask       = MMC_VDD_165_195,
 210                 .nonremovable   = true,
 211         },
 212         {}      /* Terminator */
 213 };
 214
 215 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
 216         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
 217 };
 218
 219 static struct regulator_init_data panda_vmmc5 = {
 220         .constraints = {
 221                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 222         },
 223         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
 224         .consumer_supplies = omap4_panda_vmmc5_supply,
 225 };
 226
 227 static struct fixed_voltage_config panda_vwlan = {
 228         .supply_name = "vwl1271",
 229         .microvolts = 1800000, /* 1.8V */
 230         .gpio = GPIO_WIFI_PMENA,
 231         .startup_delay = 70000, /* 70msec */
 232         .enable_high = 1,
 233         .enabled_at_boot = 0,
 234         .init_data = &panda_vmmc5,
 235 };
 236
 237 static struct platform_device omap_vwlan_device = {
 238         .name           = "reg-fixed-voltage",
 239         .id             = 1,
 240         .dev = {
 241                 .platform_data = &panda_vwlan,
 242         },
 243 };
 244
 245 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 246         .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
 247 };
 248
 249 static struct twl6040_codec_data twl6040_codec = {
 250         /* single-step ramp for headset and handsfree */
 251         .hs_left_step   = 0x0f,
 252         .hs_right_step  = 0x0f,
 253         .hf_left_step   = 0x1d,
 254         .hf_right_step  = 0x1d,
 255 };
 256
 257 static struct twl6040_platform_data twl6040_data = {
 258         .codec          = &twl6040_codec,
 259         .audpwron_gpio  = 127,
 260 };
 261
 262 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
 263         {
 264                 I2C_BOARD_INFO("twl6040", 0x4b),
 265                 .irq = 119 + OMAP44XX_IRQ_GIC_START,
 266                 .platform_data = &twl6040_data,
 267         },
 268 };
 269
 270 /* Panda board uses the common PMIC configuration */
 271 static struct twl4030_platform_data omap4_panda_twldata;
 272
 273 /*
 274  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 275  * is connected as I2C slave device, and can be accessed at address 0x50
 276  */
 277 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 278         {
 279                 I2C_BOARD_INFO("eeprom", 0x50),
 280         },
 281 };
 282
 283 static int __init omap4_panda_i2c_init(void)
 284 {
 285         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
 286                         TWL_COMMON_REGULATOR_VDAC |
 287                         TWL_COMMON_REGULATOR_VAUX2 |
 288                         TWL_COMMON_REGULATOR_VAUX3 |
 289                         TWL_COMMON_REGULATOR_VMMC |
 290                         TWL_COMMON_REGULATOR_VPP |
 291                         TWL_COMMON_REGULATOR_VANA |
 292                         TWL_COMMON_REGULATOR_VCXIO |
 293                         TWL_COMMON_REGULATOR_VUSB |
 294                         TWL_COMMON_REGULATOR_CLK32KG |
 295                         TWL_COMMON_REGULATOR_V1V8 |
 296                         TWL_COMMON_REGULATOR_V2V1);
 297         omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
 298                         ARRAY_SIZE(panda_i2c_1_boardinfo));
 299         omap_register_i2c_bus(2, 400, NULL, 0);
 300         /*
 301          * Bus 3 is attached to the DVI port where devices like the pico DLP
 302          * projector don't work reliably with 400kHz
 303          */
 304         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 305                                         ARRAY_SIZE(panda_i2c_eeprom));
 306         omap_register_i2c_bus(4, 400, NULL, 0);
 307         return 0;
 308 }
 309
 310 #ifdef CONFIG_OMAP_MUX
 311 static struct omap_board_mux board_mux[] __initdata = {
 312         /* WLAN IRQ - GPIO 53 */
 313         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 314         /* WLAN POWER ENABLE - GPIO 43 */
 315         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 316         /* WLAN SDIO: MMC5 CMD */
 317         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 318         /* WLAN SDIO: MMC5 CLK */
 319         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 320         /* WLAN SDIO: MMC5 DAT[0-3] */
 321         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 322         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 323         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 324         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 325         /* gpio 0 - TFP410 PD */
 326         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 327         /* dispc2_data23 */
 328         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 329         /* dispc2_data22 */
 330         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 331         /* dispc2_data21 */
 332         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 333         /* dispc2_data20 */
 334         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 335         /* dispc2_data19 */
 336         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 337         /* dispc2_data18 */
 338         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 339         /* dispc2_data15 */
 340         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 341         /* dispc2_data14 */
 342         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 343         /* dispc2_data13 */
 344         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 345         /* dispc2_data12 */
 346         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 347         /* dispc2_data11 */
 348         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 349         /* dispc2_data10 */
 350         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 351         /* dispc2_data9 */
 352         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 353         /* dispc2_data16 */
 354         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 355         /* dispc2_data17 */
 356         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 357         /* dispc2_hsync */
 358         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 359         /* dispc2_pclk */
 360         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 361         /* dispc2_vsync */
 362         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 363         /* dispc2_de */
 364         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 365         /* dispc2_data8 */
 366         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 367         /* dispc2_data7 */
 368         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 369         /* dispc2_data6 */
 370         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 371         /* dispc2_data5 */
 372         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 373         /* dispc2_data4 */
 374         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 375         /* dispc2_data3 */
 376         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 377         /* dispc2_data2 */
 378         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 379         /* dispc2_data1 */
 380         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 381         /* dispc2_data0 */
 382         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 383         /* NIRQ2 for twl6040 */
 384         OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
 385                   OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 386         /* GPIO_127 for twl6040 */
 387         OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 388         /* McPDM */
 389         OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 390         OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 391         OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 392         OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 393         OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 394         /* McBSP1 */
 395         OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 396         OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 397         OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
 398                   OMAP_PULL_ENA),
 399         OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 400
 401         /* UART2 - BT/FM/GPS shared transport */
 402         OMAP4_MUX(UART2_CTS,    OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
 403         OMAP4_MUX(UART2_RTS,    OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 404         OMAP4_MUX(UART2_RX,     OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
 405         OMAP4_MUX(UART2_TX,     OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 406
 407         { .reg_offset = OMAP_MUX_TERMINATOR },
 408 };
 409
 410 #else
 411 #define board_mux       NULL
 412 #endif
 413
 414
 415 static void omap4_panda_init_rev(void)
 416 {
 417         if (cpu_is_omap443x()) {
 418                 /* PandaBoard 4430 */
 419                 /* ASoC audio configuration */
 420                 panda_abe_audio_data.card_name = "PandaBoard";
 421                 panda_abe_audio_data.has_hsmic = 1;
 422         } else {
 423                 /* PandaBoard ES */
 424                 /* ASoC audio configuration */
 425                 panda_abe_audio_data.card_name = "PandaBoardES";
 426         }
 427 }
 428
 429 static void __init omap4_panda_init(void)
 430 {
 431         int package = OMAP_PACKAGE_CBS;
 432         int ret;
 433
 434         if (omap_rev() == OMAP4430_REV_ES1_0)
 435                 package = OMAP_PACKAGE_CBL;
 436         omap4_mux_init(board_mux, NULL, package);
 437
 438         omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
 439         ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
 440         if (ret)
 441                 pr_err("error setting wl12xx data: %d\n", ret);
 442
 443         omap4_panda_init_rev();
 444         omap4_panda_i2c_init();
 445         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 446         platform_device_register(&omap_vwlan_device);
 447         omap_serial_init();
 448         omap_sdrc_init(NULL, NULL);
 449         omap4_twl6030_hsmmc_init(mmc);
 450         omap4_ehci_init();
 451         usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto");
 452         usb_musb_init(&musb_board_data);
 453         omap4_panda_display_init();
 454 }
 455
 456 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 457         /* Maintainer: David Anders - Texas Instruments Inc */
 458         .atag_offset    = 0x100,
 459         .smp            = smp_ops(omap4_smp_ops),
 460         .reserve        = omap_reserve,
 461         .map_io         = omap4_map_io,
 462         .init_early     = omap4430_init_early,
 463         .init_irq       = gic_init_irq,
 464         .init_machine   = omap4_panda_init,
 465         .init_late      = omap4430_init_late,
 466         .init_time      = omap4_local_timer_init,
 467         .restart        = omap44xx_restart,
 468 MACHINE_END