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/*
* Copyright (C) 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/fsl_devices.h>
#include <linux/usb/fsl_xcvr.h>
#include <linux/pmic_external.h>
#include <mach/hardware.h>
#include <mach/arc_otg.h>
#include <asm/mach-types.h>
static struct regulator *usbotg_regux;
static void usb_utmi_init(struct fsl_xcvr_ops *this)
{
#if defined(CONFIG_MXC_PMIC_MC13892_MODULE) || defined(CONFIG_MXC_PMIC_MC13892)
if (machine_is_mx51_3ds()) {
unsigned int value;
/* VUSBIN */
pmic_read_reg(REG_USB1, &value, 0xffffff);
value |= 0x1;
value |= (0x1 << 3);
pmic_write_reg(REG_USB1, value, 0xffffff);
}
#endif
}
static void usb_utmi_uninit(struct fsl_xcvr_ops *this)
{
}
/*!
* set vbus power
*
* @param view viewport register
* @param on power on or off
*/
static void set_power(struct fsl_xcvr_ops *this,
struct fsl_usb2_platform_data *pdata, int on)
{
struct device *dev = &pdata->pdev->dev;
pr_debug("real %s(on=%d) pdata=0x%p\n", __func__, on, pdata);
if (machine_is_mx37_3ds()) {
if (on) {
if (!board_is_rev(BOARD_REV_2))
usbotg_regux = regulator_get(dev, "DCDC2");
else
usbotg_regux = regulator_get(dev, "SWBST");
regulator_enable(usbotg_regux);
} else {
regulator_disable(usbotg_regux);
regulator_put(usbotg_regux);
}
}
if (pdata && pdata->platform_driver_vbus)
pdata->platform_driver_vbus(on);
}
static struct fsl_xcvr_ops utmi_ops = {
.name = "utmi",
.xcvr_type = PORTSC_PTS_UTMI,
.init = usb_utmi_init,
.uninit = usb_utmi_uninit,
.set_vbus_power = set_power,
};
extern void fsl_usb_xcvr_register(struct fsl_xcvr_ops *xcvr_ops);
static int __init utmixc_init(void)
{
fsl_usb_xcvr_register(&utmi_ops);
return 0;
}
extern void fsl_usb_xcvr_unregister(struct fsl_xcvr_ops *xcvr_ops);
static void __exit utmixc_exit(void)
{
fsl_usb_xcvr_unregister(&utmi_ops);
}
subsys_initcall(utmixc_init);
module_exit(utmixc_exit);
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("utmi xcvr driver");
MODULE_LICENSE("GPL");
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