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am335x的網絡卡相關資料

其他網站看到的am335x的網絡卡移植參考程式,不知道能不能用

http://www.deyisupport.com/question_answer/dsp_arm/sitara_arm/f/25/t/46117.aspx

/*
 * Code for AM335X EVM.
 *
 * Copyright (C) 2011 Texas Instruments, Inc. - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/i2c/at24.h>
#include <linux/phy.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/wl12xx.h>
#include <linux/ethtool.h>
#include <linux/mfd/

tps65910.h>
#include <linux/mfd/tps65217.h>
#include <linux/pwm_backlight.h>
#include <linux/input/ti_tsc.h>
#include <linux/platform_data/ti_adc.h>
#include <linux/mfd/ti_tscadc.h>
#include <linux/reboot.h>
#include <linux/pwm/pwm.h>
#include <linux/rtc/rtc-omap.h>
#include <linux/opp.h>

/* LCD controller is similar to DA850 */
#include <video/da8xx-fb.h>

#include <mach/hardware.h>
#include <mach/board-am335xevm.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/hardware/asp.h>

#include <plat/omap_device.h>
#include <plat/omap-pm.h>
#include <plat/irqs.h>
#include <plat/board.h>
#include <plat/common.h>
#include <plat/lcdc.h>
#include <plat/usb.h>
#include <plat/mmc.h>
#include <plat/emif.h>
#include <plat/nand.h>

#include "board-flash.h"
#include "cpuidle33xx.h"
#include "mux.h"
#include "devices.h"
#include "hsmmc.h"

/* Convert GPIO signal to GPIO pin number */
#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))

/* BBB PHY IDs */
#define BBB_PHY_ID  0x7c0f1
#define BBB_PHY_MASK  0xfffffffe

/* AM335X EVM Phy ID and Debug Registers */
#define AM335X_EVM_PHY_ID  0x4dd074
#define AM335X_EVM_PHY_MASK  0xfffffffe
#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
#define AR8051_PHY_DEBUG_DATA_REG 0x1e
#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
#define AR8051_RGMII_TX_CLK_DLY  BIT(8)
/*
#define CONFIG_DH_320_240          1
#define CONFIG_DH_480_272          2
#define CONFIG_DH_800_480          3
#define CONFIG_DH_800_600          4*/
static const struct display_panel disp_panel = {
 WVGA,
 32,
 16,//32, --czx
 COLOR_ACTIVE,
};

/* LCD backlight platform Data */
#define AM335X_BACKLIGHT_MAX_BRIGHTNESS        100
#define AM335X_BACKLIGHT_DEFAULT_BRIGHTNESS    100
#define AM335X_PWM_PERIOD_NANO_SECONDS        (5000 * 10)

static struct platform_pwm_backlight_data am335x_backlight_data0 = {
 .pwm_id         = "ecap.0",
 .ch             = -1,
 .lth_brightness = 21,
 .max_brightness = AM335X_BACKLIGHT_MAX_BRIGHTNESS,
 .dft_brightness = AM335X_BACKLIGHT_DEFAULT_BRIGHTNESS,
 .pwm_period_ns  = AM335X_PWM_PERIOD_NANO_SECONDS,
};

static struct platform_pwm_backlight_data am335x_backlight_data2 = {
 .pwm_id         = "ecap.2",
 .ch             = -1,
 .lth_brightness = 21,
 .max_brightness = AM335X_BACKLIGHT_MAX_BRIGHTNESS,
 .dft_brightness = AM335X_BACKLIGHT_DEFAULT_BRIGHTNESS,
 .pwm_period_ns  = AM335X_PWM_PERIOD_NANO_SECONDS,
};

static struct lcd_ctrl_config lcd_cfg = {
//#if defined (CONFIG_DH_320_240)||(CONFIG_DH_480_272)||(CONFIG_DH_800_480)||(CONFIG_DH_800_600)
 /*&disp_panel,
 .ac_bias  = 255,
 .ac_bias_intrpt  = 0,
 .dma_burst_sz  = 16,
 .bpp   = 16,//32,--czx
 .fdd   = 0x80,
 .tft_alt_mode  = 0,
 .stn_565_mode  = 0,
 .mono_8bit_mode  = 0,
 .invert_line_clock = 1,
 .invert_frm_clock = 1,
 .sync_edge  = 0,
 .sync_ctrl  = 1,
 .raster_order  = 0,*/
//#elif defined CONFIG_VGA
        &disp_panel,
 .ac_bias  = 255,
 .ac_bias_intrpt  = 0,
 .dma_burst_sz  = 16,
 .bpp   = 16,//32,--czx
 .fdd   = 0x80,
 .tft_alt_mode  = 0,
 .stn_565_mode  = 0,
 .mono_8bit_mode  = 0,
 .invert_line_clock = 1,
 .invert_frm_clock = 1,
 .sync_edge  = 0,
 .sync_ctrl  = 1,
 .raster_order  = 0,
//#endif
};

struct da8xx_lcdc_platform_data TFC_S9700RTWV35TR_01B_pdata = {
 .manu_name  = "ThreeFive",
 .controller_data = &lcd_cfg,
 .type   = "TFC_S9700RTWV35TR_01B",
};

struct da8xx_lcdc_platform_data  NHD_480272MF_ATXI_pdata = {
 .manu_name              = "NHD",
 .controller_data        = &lcd_cfg,
 .type                   = "NHD-4.3-ATXI#-T-1",
};
// --czx

struct da8xx_lcdc_platform_data  YL_LCD_pdata = {
 .manu_name              = "DH",
 .controller_data        = &lcd_cfg,
#if defined (CONFIG_DH_320_240)
 .type                   = "YL_LCD35",

#elif defined (CONFIG_DH_480_272)
 .type                   = "YL_LCD43",

#elif defined (CONFIG_DH_800_480)

 .type                   = "YL_LCD70",

#elif defined CONFIG_DH_800_600
 .type                   = "YL_LCD80",

#elif defined CONFIG_VGA
 .type                   = "YL_VGA",
#endif
};


//end
#include "common.h"


/* TSc controller */

static struct tsc_data am335x_touchscreen_data  = {
 .wires  = 4,
 .x_plate_resistance = 200,
 .steps_to_configure = 5,
};


static struct adc_data am335x_adc_data = {
 .adc_channels = 4,
};

static struct mfd_tscadc_board tscadc = {
 .tsc_init = &am335x_touchscreen_data,
 .adc_init = &am335x_adc_data,
};

static u8 am335x_evm_sk_iis_serializer_direction1[] = {
 RX_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
};


static struct snd_platform_data am335x_evm_snd_data1 = {
 .tx_dma_offset = 0x46400000, /* McASP1 */
 .rx_dma_offset = 0x46400000,
 .op_mode = DAVINCI_MCASP_IIS_MODE,
 .num_serializer = ARRAY_SIZE(am335x_evm_sk_iis_serializer_direction1),
 .tdm_slots = 2,
 .serial_dir = am335x_evm_sk_iis_serializer_direction1,
 .asp_chan_q = EVENTQ_2,
 .version = MCASP_VERSION_3,
 .txnumevt = 1,
 .rxnumevt = 1,
 .get_context_loss_count =
   omap_pm_get_dev_context_loss_count,
};

static struct snd_platform_data am335x_evm_sk_snd_data1 = {
 .tx_dma_offset = 0x46400000, /* McASP1 */
 .rx_dma_offset = 0x46400000,
 .op_mode = DAVINCI_MCASP_IIS_MODE,
 .num_serializer = ARRAY_SIZE(am335x_evm_sk_iis_serializer_direction1),
 .tdm_slots = 2,
 .serial_dir = am335x_evm_sk_iis_serializer_direction1,
 .asp_chan_q = EVENTQ_2,
 .version = MCASP_VERSION_3,
 .txnumevt = 1,
 .rxnumevt = 1,
  .get_context_loss_count =
      omap_pm_get_dev_context_loss_count,
};

static struct omap2_hsmmc_info am335x_mmc[] __initdata = {
 {
  .mmc            = 1,
  .caps           = MMC_CAP_4_BIT_DATA,
  .gpio_cd        = GPIO_TO_PIN(0, 6),
  .gpio_wp        = -EINVAL,//GPIO_TO_PIN(3, 18),//--czx
  .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34, /* 3V3 */
 },
 {
  .mmc            = 0, /* will be set at runtime */
 },
 {
  .mmc            = 0, /* will be set at runtime */
 },
 {}      /* Terminator */
};

#ifdef CONFIG_OMAP_MUX

static struct omap_board_mux board_mux[] __initdata = {
 /*
  * Setting SYSBOOT[5] should set xdma_event_intr0 pin to mode 3 thereby
  * allowing clkout1 to be available on xdma_event_intr0.
  * However, on some boards (like EVM-SK), SYSBOOT[5] isn't properly
  * latched.
  * To be extra cautious, setup the pin-mux manually.
  * If any modules/usecase requries it in different mode, then subsequent
  * module init call will change the mux accordingly.
  */
 AM33XX_MUX(XDMA_EVENT_INTR0, OMAP_MUX_MODE3 | AM33XX_PIN_OUTPUT),
 AM33XX_MUX(I2C0_SDA, OMAP_MUX_MODE0 | AM33XX_SLEWCTRL_SLOW |
                        AM33XX_INPUT_EN |AM33XX_PIN_OUTPUT),
 AM33XX_MUX(I2C0_SCL, OMAP_MUX_MODE0 | AM33XX_SLEWCTRL_SLOW |
   AM33XX_INPUT_EN | AM33XX_PIN_OUTPUT),

 { .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
#define board_mux NULL
#endif

/* module pin mux structure */
struct pinmux_config {
 const char *string_name; /* signal name format */
 int val; /* Options for the mux register value */
};

struct evm_dev_cfg {
 void (*device_init)(int evm_id, int profile);

/*
* If the device is required on both baseboard & daughter board (ex i2c),
* specify DEV_ON_BASEBOARD
*/
#define DEV_ON_BASEBOARD 0
#define DEV_ON_DGHTR_BRD 1
 u32 device_on;

 u32 profile; /* Profiles (0-7) in which the module is present */
};

/* AM335X - CPLD Register Offsets */
#define CPLD_DEVICE_HDR 0x00 /* CPLD Header */
#define CPLD_DEVICE_ID 0x04 /* CPLD identification */
#define CPLD_DEVICE_REV 0x0C /* Revision of the CPLD code */
#define CPLD_CFG_REG 0x10 /* Configuration Register */

static struct i2c_client *cpld_client;
static u32 am335x_evm_id;
static struct omap_board_config_kernel am335x_evm_config[] __initdata = {
};

/*
* EVM Config held in On-Board eeprom device.
*
* Header Format
*
*  Name   Size Contents
*   (Bytes)
*-------------------------------------------------------------
*  Header  4 0xAA, 0x55, 0x33, 0xEE
*
*  Board Name  8 Name for board in ASCII.
*    Example "A33515BB" = "AM335x 15x15 Base Board"
*
*  Version  4 Hardware version code for board in ASCII.
*    "1.0A" = rev.01.0A
*
*  Serial Number 12 Serial number of the board. This is a 12
*    character string which is WWYY4P16nnnn, where
*    WW = 2 digit week of the year of production
*    YY = 2 digit year of production
*    nnnn = incrementing board number
*
*  Configuration option 32 Codes(TBD) to show the configuration
*    setup on this board.
*
*  Available  32720 Available space for other non-volatile data.
*/
struct am335x_evm_eeprom_config {
 u32 header;
 u8 name[8];
 char version[4];
 u8 serial[12];
 u8 opt[32];
};

/*
* EVM Config held in daughter board eeprom device.
*
* Header Format
*
*  Name   Size  Contents
*   (Bytes)
*-------------------------------------------------------------
*  Header  4 0xAA, 0x55, 0x33, 0xEE
*
*  Board Name  8 Name for board in ASCII.
*    example "A335GPBD" = "AM335x
*    General Purpose Daughterboard"
*
*  Version  4 Hardware version code for board in
*    in ASCII. "1.0A" = rev.01.0A
*  Serial Number 12 Serial number of the board. This is a 12
*    character string which is: WWYY4P13nnnn, where
*    WW = 2 digit week of the year of production
*    YY = 2 digit year of production
*    nnnn = incrementing board number
*  Configuration Option 32 Codes to show the configuration
*    setup on this board.
*  CPLD Version 8  CPLD code version for board in ASCII
*    "CPLD1.0A" = rev. 01.0A of the CPLD
*  Available 32700  Available space for other non-volatile
*    codes/data
*/

struct am335x_eeprom_config1 {
 u32 header;
 u8 name[8];
 char version[4];
 u8 serial[12];
 u8 opt[32];
 u8 cpld_ver[8];
};

static struct am335x_evm_eeprom_config config;
static struct am335x_eeprom_config1 config1;
static bool daughter_brd_detected;

#define EEPROM_MAC_ADDRESS_OFFSET 60 /* 4+8+4+12+32 */
#define EEPROM_NO_OF_MAC_ADDR  3
static char am335x_mac_addr[EEPROM_NO_OF_MAC_ADDR][ETH_ALEN];

#define AM335X_EEPROM_HEADER  0xEE3355AA

static int am33xx_evmid = -EINVAL;

/*
* am335x_evm_set_id - set up board evmid
* @evmid - evm id which needs to be configured
*
* This function is called to configure board evm id.
*/
void am335x_evm_set_id(unsigned int evmid)
{
 am33xx_evmid = evmid;
 return;
}

/*
* am335x_evm_get_id - returns Board Type (EVM/BB/EVM-SK ...)
*
* Note:
* returns -EINVAL if Board detection hasn't happened yet.
*/
int am335x_evm_get_id(void)
{
 return am33xx_evmid;
}
EXPORT_SYMBOL(am335x_evm_get_id);

/* current profile if exists else PROFILE_0 on error */
static u32 am335x_get_profile_selection(void)
{
 int val = 0;

 if (!cpld_client)
  /* error checking is not done in func's calling this routine.
  so return profile 0 on error */
  return 0;

 val = i2c_smbus_read_word_data(cpld_client, CPLD_CFG_REG);
 if (val < 0)
  return 0; /* default to Profile 0 on Error */
 else
  return val & 0x7;
}

static struct pinmux_config haptics_pin_mux[] = {
 {"gpmc_ad9.ehrpwm2B",  OMAP_MUX_MODE4 |
  AM33XX_PIN_OUTPUT},
 {NULL, 0},
};

/* Module pin mux for LCDC */
static struct pinmux_config lcdc_pin_mux[] = {
 {"lcd_data0.lcd_data0",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data1.lcd_data1",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data2.lcd_data2",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data3.lcd_data3",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data4.lcd_data4",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data5.lcd_data5",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data6.lcd_data6",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data7.lcd_data7",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data8.lcd_data8",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data9.lcd_data9",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data10.lcd_data10", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data11.lcd_data11", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data12.lcd_data12", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data13.lcd_data13", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data14.lcd_data14", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_data15.lcd_data15", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
             | AM33XX_PULL_DISA},
 {"lcd_vsync.lcd_vsync",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {"lcd_hsync.lcd_hsync",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {"lcd_pclk.lcd_pclk",  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {"lcd_ac_bias_en.lcd_ac_bias_en", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};

static struct pinmux_config tsc_pin_mux[] = {
 {"ain0.ain0",           OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {"ain1.ain1",           OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {"ain2.ain2",           OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {"ain3.ain3",           OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {"vrefp.vrefp",         OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {"vrefn.vrefn",         OMAP_MUX_MODE0 | AM33XX_INPUT_EN},
 {NULL, 0},
};

/* Pin mux for nand flash module */
static struct pinmux_config nand_pin_mux[] = {
 {"gpmc_ad0.gpmc_ad0",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad1.gpmc_ad1",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad2.gpmc_ad2",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad3.gpmc_ad3",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad4.gpmc_ad4",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad5.gpmc_ad5",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad6.gpmc_ad6",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_ad7.gpmc_ad7",   OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_wait0.gpmc_wait0", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_wpn.gpmc_wpn",   OMAP_MUX_MODE7 | AM33XX_PIN_INPUT_PULLUP},
 {"gpmc_csn0.gpmc_csn0",   OMAP_MUX_MODE0 | AM33XX_PULL_DISA},
 {"gpmc_advn_ale.gpmc_advn_ale",  OMAP_MUX_MODE0 | AM33XX_PULL_DISA},
 {"gpmc_oen_ren.gpmc_oen_ren",  OMAP_MUX_MODE0 | AM33XX_PULL_DISA},
 {"gpmc_wen.gpmc_wen",     OMAP_MUX_MODE0 | AM33XX_PULL_DISA},
 {"gpmc_ben0_cle.gpmc_ben0_cle",  OMAP_MUX_MODE0 | AM33XX_PULL_DISA},
 {NULL, 0},
};

/* Module pin mux for rgmii1 */
static struct pinmux_config rgmii1_pin_mux[] = {
 {"mii1_txen.rgmii1_tctl", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_rxdv.rgmii1_rctl", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_txd3.rgmii1_td3", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_txd2.rgmii1_td2", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_txd1.rgmii1_td1", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_txd0.rgmii1_td0", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_txclk.rgmii1_tclk", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"mii1_rxclk.rgmii1_rclk", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_rxd3.rgmii1_rd3", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_rxd2.rgmii1_rd2", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_rxd1.rgmii1_rd1", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_rxd0.rgmii1_rd0", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mdio_data.mdio_data", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mdio_clk.mdio_clk", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT_PULLUP},
 {NULL, 0},
};

/* Module pin mux for rgmii2 */
static struct pinmux_config rgmii2_pin_mux[] = {
 {"gpmc_a0.rgmii2_tctl", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a1.rgmii2_rctl", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"gpmc_a2.rgmii2_td3", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a3.rgmii2_td2", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a4.rgmii2_td1", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a5.rgmii2_td0", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a6.rgmii2_tclk", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT},
 {"gpmc_a7.rgmii2_rclk", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"gpmc_a8.rgmii2_rd3", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"gpmc_a9.rgmii2_rd2", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"gpmc_a10.rgmii2_rd1", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"gpmc_a11.rgmii2_rd0", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mdio_data.mdio_data", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mdio_clk.mdio_clk", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT_PULLUP},
 {NULL, 0},
};

static struct pinmux_config i2c0_pin_mux[] = {
        {"i2c0_sda.i2c0_sda",    OMAP_MUX_MODE0 | AM33XX_SLEWCTRL_SLOW |
                                        AM33XX_PULL_ENBL | AM33XX_INPUT_EN},
        {"i2c0_scl.i2c0_scl",   OMAP_MUX_MODE0 | AM33XX_SLEWCTRL_SLOW |
                                        AM33XX_PULL_ENBL | AM33XX_INPUT_EN},
        {NULL, 0},
};


/* Module pin mux for mcasp1 */
static struct pinmux_config mcasp1_pin_mux[] = {
 {"mii1_crs.mcasp1_aclkx", OMAP_MUX_MODE4 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_rxerr.mcasp1_fsx", OMAP_MUX_MODE4 | AM33XX_PIN_INPUT_PULLDOWN},
 {"mii1_col.mcasp1_axr2", OMAP_MUX_MODE4 | AM33XX_PIN_INPUT_PULLDOWN},
 {"rmii1_refclk.mcasp1_ahclkx", OMAP_MUX_MODE6 |AM33XX_PIN_OUTPUT},
 {"mcasp0_ahclkx.mcasp1_axr1", OMAP_MUX_MODE3 |AM33XX_PIN_INPUT_PULLDOWN},
 {NULL, 0},
};


/* Module pin mux for mmc0 */
static struct pinmux_config mmc0_common_pin_mux[] = {
 {"mmc0_dat3.mmc0_dat3", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mmc0_dat2.mmc0_dat2", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mmc0_dat1.mmc0_dat1", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mmc0_dat0.mmc0_dat0", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mmc0_clk.mmc0_clk", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"mmc0_cmd.mmc0_cmd", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {NULL, 0},
};


static struct pinmux_config uart4_pin_mux[] = {                              
 {"uart0_ctsn.uart4_rxd", OMAP_MUX_MODE1 |  AM33XX_PIN_INPUT_PULLUP},
 {"uart0_rtsn.uart4_txd", OMAP_MUX_MODE1 | AM33XX_PULL_ENBL},
 {NULL, 0},
};

static struct pinmux_config d_can_gp_pin_mux[] = {
 {"uart0_ctsn.d_can1_tx", OMAP_MUX_MODE2 | AM33XX_PULL_ENBL},
 {"uart0_rtsn.d_can1_rx", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLUP},
 {NULL, 0},
};

/* pinmux for gpio based key */
static struct pinmux_config gpio_keys_pin_mux[] = {                      //lh
 {"mcasp0_aclkx.gpio3_14", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},//K1
 {"mcasp0_fsx.gpio3_15", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 {"mcasp0_axr0.gpio3_16", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 {"mcasp0_aclkr.gpio3_18", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 {NULL, 0},
};

/* pinmux for led device */
static struct pinmux_config gpio_led_mux[] = {                      //lh
 {"gpmc_csn1.gpio1_30", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, 
 {"gpmc_csn2.gpio1_31", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};


/*
* @pin_mux - single module pin-mux structure which defines pin-mux
*   details for all its pins.
*/
static void setup_pin_mux(struct pinmux_config *pin_mux)
{
 int i;

 for (i = 0; pin_mux->string_name != NULL; pin_mux++)
  omap_mux_init_signal(pin_mux->string_name, pin_mux->val);

}

static struct gpio_keys_platform_data am335x_evm_volume_gpio_key_info = {
 /*.buttons        = am335x_evm_volume_gpio_buttons,
 .nbuttons       = ARRAY_SIZE(am335x_evm_volume_gpio_buttons),*/
};

static struct platform_device am335x_evm_volume_keys = {
 .name   = "gpio-keys",
 .id     = -1,
 .dev    = {
  .platform_data  = &am335x_evm_volume_gpio_key_info,
 },
};

static void volume_keys_init(int evm_id, int profile)
{
 int err;

 //setup_pin_mux(volume_keys_pin_mux);
 err = platform_device_register(&am335x_evm_volume_keys);
 if (err)
  pr_err("failed to register matrix keypad (2x3) device\n");
}

/*
* @evm_id - evm id which needs to be configured
* @dev_cfg - single evm structure which includes
*    all module inits, pin-mux defines
* @profile - if present, else PROFILE_NONE
* @dghtr_brd_flg - Whether Daughter board is present or not
*/
static void _configure_device(int evm_id, struct evm_dev_cfg *dev_cfg,
 int profile)
{
 int i;

 am335x_evm_set_id(evm_id);

 /*
 * Only General Purpose & Industrial Auto Motro Control
 * EVM has profiles. So check if this evm has profile.
 * If not, ignore the profile comparison
 */

 /*
 * If the device is on baseboard, directly configure it. Else (device on
 * Daughter board), check if the daughter card is detected.
 */
 if (profile == PROFILE_NONE) {
  for (i = 0; dev_cfg->device_init != NULL; dev_cfg++) {
   pr_info("_configure_device %d \n",i);
   if (dev_cfg->device_on == DEV_ON_BASEBOARD)
    dev_cfg->device_init(evm_id, profile);
   else if (daughter_brd_detected == true)
    dev_cfg->device_init(evm_id, profile);
  }
 } else {
  for (i = 0; dev_cfg->device_init != NULL; dev_cfg++) {
   pr_info("_configure_device %d \n",i);
   if (dev_cfg->profile & profile) {
    if (dev_cfg->device_on == DEV_ON_BASEBOARD)
     dev_cfg->device_init(evm_id, profile);
    else if (daughter_brd_detected == true)
     dev_cfg->device_init(evm_id, profile);
   }
  }
 }
}


/* pinmux for usb0 drvvbus */
static struct pinmux_config usb0_pin_mux[] = {
 {"usb0_drvvbus.usb0_drvvbus",    OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};

/* pinmux for usb1 drvvbus */
static struct pinmux_config usb1_pin_mux[] = {
 {"usb1_drvvbus.usb1_drvvbus",    OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};

/* Module pin mux for eCAP0 */
static struct pinmux_config ecap0_pin_mux[] = {
 {"ecap0_in_pwm0_out.ecap0_in_pwm0_out",
  OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};


//#define AM335XEVM_WLAN_PMENA_GPIO GPIO_TO_PIN(1, 30)
//#define AM335XEVM_WLAN_IRQ_GPIO  GPIO_TO_PIN(3, 17)
//#define AM335XEVM_SK_WLAN_IRQ_GPIO      GPIO_TO_PIN(0, 31)

struct wl12xx_platform_data am335xevm_wlan_data = {
 /*.irq = OMAP_GPIO_IRQ(AM335XEVM_WLAN_IRQ_GPIO),
 .board_ref_clock = WL12XX_REFCLOCK_38_XTAL, /* 38.4Mhz */
 /*.bt_enable_gpio = GPIO_TO_PIN(3, 21),
 .wlan_enable_gpio = GPIO_TO_PIN(1, 16),*/
};

static struct pinmux_config uart1_wl12xx_pin_mux[] = {
 //{"uart1_ctsn.uart1_ctsn", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
 //{"uart1_rtsn.uart1_rtsn", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT},
 {"uart1_rxd.uart1_rxd", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
 {"uart1_txd.uart1_txd", OMAP_MUX_MODE0 | AM33XX_PULL_ENBL},
 {NULL, 0},
};

static struct pinmux_config wl12xx_pin_mux[] = {
 //{"gpmc_a0.gpio1_16", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
 //{"mcasp0_ahclkr.gpio3_17", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 //{"mcasp0_ahclkx.gpio3_21", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT_PULLUP},
 {NULL, 0},
 };

static struct pinmux_config wl12xx_pin_mux_sk[] = {
 //{"gpmc_wpn.gpio0_31", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
 //{"gpmc_csn0.gpio1_29", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT_PULLUP},
 //{"mcasp0_ahclkx.gpio3_21", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
 {NULL, 0},
};

static bool backlight_enable;

static void enable_ecap0(int evm_id, int profile)
{
 backlight_enable = true;
 setup_pin_mux(ecap0_pin_mux);
}

static void enable_ecap2(int evm_id, int profile)
{
 backlight_enable = true;
 //setup_pin_mux(ecap2_pin_mux);
}

/* Setup pwm-backlight */
static struct platform_device am335x_backlight = {
 .name           = "pwm-backlight",
 .id             = -1,
 .dev  = {
  .platform_data = &am335x_backlight_data0,
 },
};

static struct pwmss_platform_data  pwm_pdata[3] = {
 {
  .version = PWM_VERSION_1,
 },
 {
  .version = PWM_VERSION_1,
 },
 {
  .version = PWM_VERSION_1,
 },
};

static int __init backlight_init(void)
{
 int status = 0;

 if (backlight_enable) {
  int ecap_index = 0;

  switch (am335x_evm_get_id()) {
  case GEN_PURP_EVM:
  case GEN_PURP_DDR3_EVM:
   ecap_index = 0;
   break;
  case EVM_SK:
   /*
    * Invert polarity of PWM wave from ECAP to handle
    * backlight intensity to pwm brightness
    */
   ecap_index = 2;
   pwm_pdata[ecap_index].chan_attrib[0].inverse_pol = true;
   am335x_backlight.dev.platform_data =
    &am335x_backlight_data2;
   break;
  default:
   pr_err("%s: Error on attempting to enable backlight,"
    " not supported\n", __func__);
   return -EINVAL;
  }

  am33xx_register_ecap(ecap_index, &pwm_pdata[ecap_index]);
  platform_device_register(&am335x_backlight);
 }
 return status;
}
late_initcall(backlight_init);

static int __init conf_disp_pll(int rate)
{
 struct clk *disp_pll;
 int ret = -EINVAL;

 disp_pll = clk_get(NULL, "dpll_disp_ck");
 if (IS_ERR(disp_pll)) {
  pr_err("Cannot clk_get disp_pll\n");
  goto out;
 }

 ret = clk_set_rate(disp_pll, rate);
 clk_put(disp_pll);
out:
 return ret;
}

static void lcdc_init(int evm_id, int profile)
{
 struct da8xx_lcdc_platform_data *lcdc_pdata;
 setup_pin_mux(lcdc_pin_mux);
 
 pr_info("lcdc_init ********************************** \n");
 
 if (conf_disp_pll(300000000)) {
  pr_info("Failed configure display PLL, not attempting to"
    "register LCDC\n");
  return;
 }
 switch (evm_id) {
 case GEN_PURP_EVM:
 case GEN_PURP_DDR3_EVM:
  lcdc_pdata = &TFC_S9700RTWV35TR_01B_pdata;
  break;
 case EVM_SK:
  //lcdc_pdata = &NHD_480272MF_ATXI_pdata;
  lcdc_pdata = &YL_LCD_pdata;
  break;
 default:
  pr_err("LCDC not supported on this evm (%d)\n",evm_id);
  return;
 }

 lcdc_pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count;

 if (am33xx_register_lcdc(lcdc_pdata))
  pr_info("Failed to register LCDC device\n");

 return;
}


static void mfd_tscadc_init(int evm_id, int profile)
{
 int err;
 
 pr_info("mfd_tscadc_init ********************************** \n");
 
 err = am33xx_register_mfd_tscadc(&tscadc);
 if (err)
  pr_err("failed to register touchscreen device\n");
}

static void rgmii1_init(int evm_id, int profile)
{
 pr_info("rgmii1_init ********************************** \n");
 setup_pin_mux(rgmii1_pin_mux);
 return;
}

static void rgmii2_init(int evm_id, int profile)
{
 pr_info("rgmii2_init ********************************** \n");
 setup_pin_mux(rgmii2_pin_mux);
 return;
}

static void usb0_init(int evm_id, int profile)
{
 setup_pin_mux(usb0_pin_mux);
 return;
}

static void usb1_init(int evm_id, int profile)
{
 setup_pin_mux(usb1_pin_mux);
 return;
}

/* setup uart4 */            //lh
static void uart4_init(int evm_id, int profile)
{
 pr_info("uart4_init ********************************** \n");
 setup_pin_mux(uart4_pin_mux);
 return;
}

/* setup uart3 */
static void uart3_init(int evm_id, int profile)
{
 pr_info("uart3_init ********************************** \n");
 //setup_pin_mux(uart3_pin_mux);
 return;
}

/* setup uart2 */
static void uart2_init(int evm_id, int profile)
{
 pr_info("uart2_init ********************************** \n");
 //setup_pin_mux(uart2_pin_mux);
 return;
}

/*
 * gpio0_7 was driven HIGH in u-boot before DDR configuration
 *
 * setup gpio0_7 for EVM-SK 1.2
 */
static void gpio_ddr_vtt_enb_init(int evm_id, int profile)
{
 //setup_pin_mux(gpio_ddr_vtt_enb_pin_mux);
 return;
}

/* setup haptics */
#define HAPTICS_MAX_FREQ 250
static void haptics_init(int evm_id, int profile)
{
 //setup_pin_mux(haptics_pin_mux);
 pwm_pdata[2].chan_attrib[1].max_freq = HAPTICS_MAX_FREQ;
 am33xx_register_ehrpwm(2, &pwm_pdata[2]);
}

/* NAND partition information */
static struct mtd_partition am335x_nand_partitions[] = {
/* All the partition sizes are listed in terms of NAND block size */
 {
  .name           = "SPL",
  .offset         = 0,   /* Offset = 0x0 */
  .size           = SZ_128K,
 },
 {
  .name           = "SPL.backup1",
  .offset         = MTDPART_OFS_APPEND, /* Offset = 0x20000 */
  .size           = SZ_128K,
 },
 {
  .name           = "SPL.backup2",
  .offset         = MTDPART_OFS_APPEND, /* Offset = 0x40000 */
  .size           = SZ_128K,
 },
 {
  .name           = "SPL.backup3",
  .offset         = MTDPART_OFS_APPEND, /* Offset = 0x60000 */
  .size           = SZ_128K,
 },
 {
  .name           = "U-Boot",
  .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
  .size           = 15 * SZ_128K,
 },
 {
  .name           = "U-Boot Env",
  .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
  .size           = 1 * SZ_128K,
 },
 {
  .name           = "Kernel",
  .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
  .size           = 40 * SZ_128K,
 },
 {
  .name           = "File System",
  .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x780000 */
  .size           = MTDPART_SIZ_FULL,
 },
};

/* SPI 0/1 Platform Data */
/* SPI flash information */
static struct mtd_partition am335x_spi_partitions[] = {
 /* All the partition sizes are listed in terms of erase size */
 {
  .name       = "SPL",
  .offset     = 0,   /* Offset = 0x0 */
  .size       = SZ_128K,
 },
 {
  .name       = "U-Boot",
  .offset     = MTDPART_OFS_APPEND, /* Offset = 0x20000 */
  .size       = (3 * SZ_128K) - SZ_4K,
 },
 {
  .name       = "U-Boot Env",
  .offset     = MTDPART_OFS_APPEND, /* Offset = 0x7F000 */
  .size       = SZ_4K,
 },
 {
  .name       = "Kernel",
  .offset     = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
  .size       = 866 * SZ_4K,  /* size = 0x362000 */
 },
 {
  .name       = "File System",
  .offset     = MTDPART_OFS_APPEND, /* Offset = 0x3E2000 */
  .size       = MTDPART_SIZ_FULL,  /* size ~= 4.1 MiB */
 }
};

static const struct flash_platform_data am335x_spi_flash = {
 .type      = "w25q64",
 .name      = "spi_flash",
 .parts     = am335x_spi_partitions,
 .nr_parts  = ARRAY_SIZE(am335x_spi_partitions),
};

static struct gpmc_timings am335x_nand_timings = {
 .sync_clk = 0,

 .cs_on = 0,
 .cs_rd_off = 44,
 .cs_wr_off = 44,

 .adv_on = 6,
 .adv_rd_off = 34,
 .adv_wr_off = 44,
 .we_off = 40,
 .oe_off = 54,

 .access = 64,
 .rd_cycle = 82,
 .wr_cycle = 82,

 .wr_access = 40,
 .wr_data_mux_bus = 0,
};

static void evm_nand_init(int evm_id, int profile)
{
 struct omap_nand_platform_data *pdata;
 struct gpmc_devices_info gpmc_device[2] = {
  { NULL, 0 },
  { NULL, 0 },
 };
 
 pr_info("evm_nand_init ********************************** \n");
 
 setup_pin_mux(nand_pin_mux);
 pdata = omap_nand_init(am335x_nand_partitions,
  ARRAY_SIZE(am335x_nand_partitions), 0, 0,
  &am335x_nand_timings);
 if (!pdata)
  return;
 pdata->ecc_opt =OMAP_ECC_BCH8_CODE_HW;
 pdata->elm_used = true;
 gpmc_device[0].pdata = pdata;
 gpmc_device[0].flag = GPMC_DEVICE_NAND;

 omap_init_gpmc(gpmc_device, sizeof(gpmc_device));
 omap_init_elm();
}

/* TPS65217 voltage regulator support */

/* 1.8V */
static struct regulator_consumer_supply tps65217_dcdc1_consumers[] = {
 {
  .supply = "vdds_osc",
 },
 {
  .supply = "vdds_pll_ddr",
 },
 {
  .supply = "vdds_pll_mpu",
 },
 {
  .supply = "vdds_pll_core_lcd",
 },
 {
  .supply = "vdds_sram_mpu_bb",
 },
 {
  .supply = "vdds_sram_core_bg",
 },
 {
  .supply = "vdda_usb0_1p8v",
 },
 {
  .supply = "vdds_ddr",
 },
 {
  .supply = "vdds",
 },
 {
  .supply = "vdds_hvx_1p8v",
 },
 {
  .supply = "vdda_adc",
 },
 {
  .supply = "ddr2",
 },
};

/* 1.1V */
static struct regulator_consumer_supply tps65217_dcdc2_consumers[] = {
 {
  .supply = "vdd_mpu",
 },
};

/* 1.1V */
static struct regulator_consumer_supply tps65217_dcdc3_consumers[] = {
 {
  .supply = "vdd_core",
 },
};

/* 1.8V LDO */
static struct regulator_consumer_supply tps65217_ldo1_consumers[] = {
 {
  .supply = "vdds_rtc",
 },
};

/* 3.3V LDO */
static struct regulator_consumer_supply tps65217_ldo2_consumers[] = {
 {
  .supply = "vdds_any_pn",
 },
};

/* 3.3V LDO */
static struct regulator_consumer_supply tps65217_ldo3_consumers[] = {
 {
  .supply = "vdds_hvx_ldo3_3p3v",
 },
 {
  .supply = "vdda_usb0_3p3v",
 },
};

/* 3.3V LDO */
static struct regulator_consumer_supply tps65217_ldo4_consumers[] = {
 {
  .supply = "vdds_hvx_ldo4_3p3v",
 },
};

/*
 * FIXME: Some BeagleBones reuire a ramp_delay to settle down the set
 * voltage from 0.95v to 1.25v. By default a minimum of 70msec is set
 * based on experimentation. This will be removed/modified to exact
 * value, once the root cause is known.
 *
 * The reason for extended ramp time requirement on BeagleBone is not
 * known and the delay varies from board - board, if the board hangs
 * with this 70msec delay then try to increase the value.
 */
static struct tps65217_rdelay dcdc2_ramp_delay = {
 .ramp_delay = 70000,
};

static struct regulator_init_data tps65217_regulator_data[] = {
 /* dcdc1 */
 {
  .constraints = {
   .min_uV = 900000,
   .max_uV = 1800000,
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_dcdc1_consumers),
  .consumer_supplies = tps65217_dcdc1_consumers,
 },

 /* dcdc2 */
 {
  .constraints = {
   .min_uV = 900000,
   .max_uV = 3300000,
   .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
    REGULATOR_CHANGE_STATUS),
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_dcdc2_consumers),
  .consumer_supplies = tps65217_dcdc2_consumers,
  .driver_data = &dcdc2_ramp_delay,
  .ignore_check_consumers = 1,
 },

 /* dcdc3 */
 {
  .constraints = {
   .min_uV = 900000,
   .max_uV = 1500000,
   .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
    REGULATOR_CHANGE_STATUS),
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_dcdc3_consumers),
  .consumer_supplies = tps65217_dcdc3_consumers,
  .ignore_check_consumers = 1,
 },

 /* ldo1 */
 {
  .constraints = {
   .min_uV = 1000000,
   .max_uV = 3300000,
   .valid_ops_mask = REGULATOR_CHANGE_STATUS,
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_ldo1_consumers),
  .consumer_supplies = tps65217_ldo1_consumers,
 },

 /* ldo2 */
 {
  .constraints = {
   .min_uV = 900000,
   .max_uV = 3300000,
   .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
    REGULATOR_CHANGE_STATUS),
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_ldo2_consumers),
  .consumer_supplies = tps65217_ldo2_consumers,
 },

 /* ldo3 */
 {
  .constraints = {
   .min_uV = 1800000,
   .max_uV = 3300000,
   .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
    REGULATOR_CHANGE_STATUS),
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_ldo3_consumers),
  .consumer_supplies = tps65217_ldo3_consumers,
 },

 /* ldo4 */
 {
  .constraints = {
   .min_uV = 1800000,
   .max_uV = 3300000,
   .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
    REGULATOR_CHANGE_STATUS),
   .boot_on = 1,
   .always_on = 1,
  },
  .num_consumer_supplies = ARRAY_SIZE(tps65217_ldo4_consumers),
  .consumer_supplies = tps65217_ldo4_consumers,
 },
};

static struct tps65217_board beaglebone_tps65217_info = {
 .tps65217_init_data = &tps65217_regulator_data[0],
 .status_off = true,
};


static struct i2c_board_info am335x_i2c1_boardinfo[] = {
 #if 0 
 {
  I2C_BOARD_INFO("tlv320aic3x", 0x1b),
 },
        
 {
  I2C_BOARD_INFO("tsl2550", 0x39),
 },
 {
  I2C_BOARD_INFO("tmp275", 0x48),
 },
 #endif
};

static void i2c1_init(int evm_id, int profile)
{
 //setup_pin_mux(i2c1_pin_mux);
 omap_register_i2c_bus(2, 100, am335x_i2c1_boardinfo,
   ARRAY_SIZE(am335x_i2c1_boardinfo));
 return;
}

static struct i2c_board_info am335x_i2c2_boardinfo[] = {
};

static void i2c2_init(int evm_id, int profile)
{
 //setup_pin_mux(i2c2_pin_mux);
 omap_register_i2c_bus(3, 100, am335x_i2c2_boardinfo,
   ARRAY_SIZE(am335x_i2c2_boardinfo));
 return;
}

/* Setup McASP 1 */
static void mcasp1_init(int evm_id, int profile)
{
 pr_info("--------mcasp1_init\n");
 /* Configure McASP */
 setup_pin_mux(mcasp1_pin_mux);
 switch (evm_id) {
 case EVM_SK:
  pr_info("--------evm_id is SK\n");
  am335x_register_mcasp(&am335x_evm_sk_snd_data1,1);
  break;
 default:
  am335x_register_mcasp(&am335x_evm_snd_data1,1);
 }

 return;
}

static void mmc1_init(int evm_id, int profile)
{
 /*setup_pin_mux(mmc1_common_pin_mux);
 setup_pin_mux(mmc1_dat4_7_pin_mux);
 setup_pin_mux(mmc1_wp_only_pin_mux);
 setup_pin_mux(mmc1_cd_only_pin_mux);

 am335x_mmc[1].mmc = 2;
 am335x_mmc[1].caps = MMC_CAP_4_BIT_DATA;
 am335x_mmc[1].gpio_cd = GPIO_TO_PIN(1, 28);//--czx
 am335x_mmc[1].gpio_wp = -EINVAL;//GPIO_TO_PIN(1, 29);
 am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */

 /* mmc will be initialized when mmc0_init is called */
 return;
}

static void mmc1_wl12xx_init(int evm_id, int profile)
{
 /*setup_pin_mux(mmc1_common_pin_mux);
 am335x_mmc[1].mmc = 2;
 am335x_mmc[1].name = "wl1271";
 am335x_mmc[1].caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD;
 am335x_mmc[1].nonremovable = true;
 am335x_mmc[1].pm_caps = MMC_PM_KEEP_POWER;
 am335x_mmc[1].gpio_cd = -EINVAL;
 am335x_mmc[1].gpio_wp = -EINVAL;
 am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */
}

static void mmc1_emmc_init(int evm_id, int profile)
{
 /*setup_pin_mux(mmc1_common_pin_mux);
 setup_pin_mux(mmc1_dat4_7_pin_mux);

 am335x_mmc[1].mmc = 2;
 am335x_mmc[1].caps = MMC_CAP_8_BIT_DATA;
 am335x_mmc[1].gpio_cd = -EINVAL;
 am335x_mmc[1].gpio_wp = -EINVAL;
 am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */

 /* mmc will be initialized when mmc0_init is called */
 return;
}

static void mmc2_wl12xx_init(int evm_id, int profile)
{
 /*setup_pin_mux(mmc2_wl12xx_pin_mux);

 am335x_mmc[1].mmc = 3;
 am335x_mmc[1].name = "wl1271";
 am335x_mmc[1].caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD;
 am335x_mmc[1].nonremovable = true;
 am335x_mmc[1].gpio_cd = -EINVAL;
 am335x_mmc[1].gpio_wp = -EINVAL;
 am335x_mmc[1].ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34; /* 3V3 */

 /* mmc will be initialized when mmc0_init is called */
 return;
}

static void uart1_wl12xx_init(int evm_id, int profile)
{
 setup_pin_mux(uart1_wl12xx_pin_mux);
}

static void wl12xx_bluetooth_enable(void)
{
 int status = gpio_request(am335xevm_wlan_data.bt_enable_gpio,
  "bt_en\n");
 if (status < 0)
  pr_err("Failed to request gpio for bt_enable");

 pr_info("Configure Bluetooth Enable pin...\n");
 gpio_direction_output(am335xevm_wlan_data.bt_enable_gpio, 0);
}

#define AM33XX_CTRL_REGADDR(reg)     \
  AM33XX_L4_WK_IO_ADDRESS(AM33XX_SCM_BASE + (reg))

/* wlan enable pin */
#define AM33XX_CONTROL_PADCONF_GPMC_CSN0_OFFSET  0x087C
static int wl12xx_set_power(struct device *dev, int slot, int on, int vdd)
{
 int pad_mux_value;

 if (on) {
  gpio_direction_output(am335xevm_wlan_data.wlan_enable_gpio, 1);

  /* Enable pullup on the WLAN enable pin for keeping wlan active during suspend
     in wowlan mode */
  if ( am335x_evm_get_id() == EVM_SK ) {
   pad_mux_value = readl(AM33XX_CTRL_REGADDR(AM33XX_CONTROL_PADCONF_GPMC_CSN0_OFFSET));
   pad_mux_value &= (~AM33XX_PULL_DISA);
   writel(pad_mux_value, AM33XX_CTRL_REGADDR(AM33XX_CONTROL_PADCONF_GPMC_CSN0_OFFSET));
  }

  mdelay(70);
 } else {
  gpio_direction_output(am335xevm_wlan_data.wlan_enable_gpio, 0);
  /* Disable pullup on the WLAN enable when WLAN is off */
  if ( am335x_evm_get_id() == EVM_SK ) {
   pad_mux_value = readl(AM33XX_CTRL_REGADDR(AM33XX_CONTROL_PADCONF_GPMC_CSN0_OFFSET));
   pad_mux_value |= AM33XX_PULL_DISA;
   writel(pad_mux_value, AM33XX_CTRL_REGADDR(AM33XX_CONTROL_PADCONF_GPMC_CSN0_OFFSET));
  }
 }

 return 0;
}

static void d_can_init(int evm_id, int profile)
{
 switch (evm_id) {
 case IND_AUT_MTR_EVM:
  if ((profile == PROFILE_0) || (profile == PROFILE_1)) {
   setup_pin_mux(d_can_gp_pin_mux);
   /* Instance Zero */
   am33xx_d_can_init(0);
  }
  break;
 case GEN_PURP_EVM:
 case GEN_PURP_DDR3_EVM:
  if (profile == PROFILE_1) {
   setup_pin_mux(d_can_gp_pin_mux);
   /* Instance One */
   am33xx_d_can_init(1);
  }
  break;
 default:
  break;
 }
}

static void mmc0_init(int evm_id, int profile)
{
 switch (evm_id) {
 case BEAGLE_BONE_A3:
 case BEAGLE_BONE_OLD:
 case EVM_SK:
  setup_pin_mux(mmc0_common_pin_mux);
  //setup_pin_mux(mmc0_cd_only_pin_mux);
  break;
 default:
  setup_pin_mux(mmc0_common_pin_mux);
  //setup_pin_mux(mmc0_cd_only_pin_mux);
  
  break;
 }

 omap2_hsmmc_init(am335x_mmc);
 return;
}

static struct i2c_board_info tps65217_i2c_boardinfo[] = {
 {
  I2C_BOARD_INFO("tps65217", TPS65217_I2C_ID),
  .platform_data  = &beaglebone_tps65217_info,
 },
};

static void tps65217_init(int evm_id, int profile)
{
 struct i2c_adapter *adapter;
 struct i2c_client *client;
 struct device *mpu_dev;
 struct tps65217 *tps;
 unsigned int val;
 int ret;

 mpu_dev = omap_device_get_by_hwmod_name("mpu");
 if (!mpu_dev)
  pr_warning("%s: unable to get the mpu device\n", __func__);

 /* I2C1 adapter request */
 adapter = i2c_get_adapter(1);
 if (!adapter) {
  pr_err("failed to get adapter i2c1\n");
  return;
 }

 client = i2c_new_device(adapter, tps65217_i2c_boardinfo);
 if (!client)
  pr_err("failed to register tps65217 to i2c1\n");

 i2c_put_adapter(adapter);

 tps = (struct tps65217 *)i2c_get_clientdata(client);

 ret = tps65217_reg_read(tps, TPS65217_REG_STATUS, &val);
 if (ret) {
  pr_err("failed to read tps65217 status reg\n");
  return;
 }

 if (!(val & TPS65217_STATUS_ACPWR)) {
  /* If powered by USB then disable OPP120 and OPPTURBO */
  pr_info("Maximum current provided by the USB port is 500mA"
   " which is not sufficient\nwhen operating @OPP120 and"
   " OPPTURBO. The current requirement for some\nuse-cases"
   " using OPP100 might also exceed the maximum current"
   " that the\nUSB port can provide. Unless you are fully"
   " confident that the current\nrequirements for OPP100"
   " use-case don't exceed the USB limits, switching\nto"
   " AC power is recommended.\n");
  opp_disable(mpu_dev, 600000000);
  opp_disable(mpu_dev, 720000000);
 }
}

static void mmc0_no_cd_init(int evm_id, int profile)
{
 setup_pin_mux(mmc0_common_pin_mux);
 
 omap2_hsmmc_init(am335x_mmc);
 return;
}

/* Configure GPIOs for GPIO Keys */
static struct gpio_keys_button am335x_evm_gpio_buttons[] = {
 { //K1 --czx
  .code                   = BTN_0,
  .gpio                   = GPIO_TO_PIN(3, 14),
  .desc                   = "SW1",
 },
 { //K2
  .code                   = BTN_1,
  .gpio                   = GPIO_TO_PIN(3, 15),
  .desc                   = "SW2",
 },
 { //K3
  .code                   = BTN_2,
  .gpio                   = GPIO_TO_PIN(3, 16),
  .desc                   = "SW3",
  .wakeup                 = 1,
 },
 { //K4
  .code                   = BTN_3,
  .gpio                   = GPIO_TO_PIN(3, 18),
  .desc                   = "SW4",
 },
};

static struct gpio_keys_platform_data am335x_evm_gpio_key_info = {
 .buttons        = am335x_evm_gpio_buttons,
 .nbuttons       = ARRAY_SIZE(am335x_evm_gpio_buttons),
};