colibri-evalboard.c

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/*
 *  linux/arch/arm/mach-pxa/colibri-evalboard.c
 *
 *  Support for Toradex Colibri Evaluation Carrier Board
 *  Daniel Mack <[email protected]>
 *  Marek Vasut <[email protected]>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/mach/arch.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>

#include <mach/pxa27x.h>
#include <mach/colibri.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa27x-udc.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data colibri_mci_platform_data = {
    .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
    .gpio_power     = -1,
    .gpio_card_ro       = -1,
    .detect_delay_ms    = 200,
};

static void __init colibri_mmc_init(void)
{
    if (machine_is_colibri())   /* PXA270 Colibri */
        colibri_mci_platform_data.gpio_card_detect =
            GPIO0_COLIBRI_PXA270_SD_DETECT;
    if (machine_is_colibri300())    /* PXA300 Colibri */
        colibri_mci_platform_data.gpio_card_detect =
            GPIO13_COLIBRI_PXA300_SD_DETECT;
    else                /* PXA320 Colibri */
        colibri_mci_platform_data.gpio_card_detect =
            GPIO28_COLIBRI_PXA320_SD_DETECT;

    pxa_set_mci_info(&colibri_mci_platform_data);
}
#else
static inline void colibri_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int colibri_ohci_init(struct device *dev)
{
    UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
    return 0;
}

static struct pxaohci_platform_data colibri_ohci_info = {
    .port_mode  = PMM_PERPORT_MODE,
    .flags      = ENABLE_PORT1 |
              POWER_CONTROL_LOW | POWER_SENSE_LOW,
    .init       = colibri_ohci_init,
};

static void __init colibri_uhc_init(void)
{
    /* Colibri PXA270 has two usb ports, TBA for 320 */
    if (machine_is_colibri())
        colibri_ohci_info.flags |= ENABLE_PORT2;

    pxa_set_ohci_info(&colibri_ohci_info);
}
#else
static inline void colibri_uhc_init(void) {}
#endif

/******************************************************************************
 * I2C RTC
 ******************************************************************************/
#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
static struct i2c_board_info __initdata colibri_i2c_devs[] = {
    {
        I2C_BOARD_INFO("m41t00", 0x68),
    },
};

static void __init colibri_rtc_init(void)
{
    pxa_set_i2c_info(NULL);
    i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
}
#else
static inline void colibri_rtc_init(void) {}
#endif

void __init colibri_evalboard_init(void)
{
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);

    colibri_mmc_init();
    colibri_uhc_init();
    colibri_rtc_init();
}