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/*
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#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>
extern void fsl_phy_usb_utmi_init(struct fsl_xcvr_ops *this);
extern void fsl_phy_usb_utmi_uninit(struct fsl_xcvr_ops *this);
extern void fsl_phy_set_power(struct fsl_xcvr_ops *this,
struct fsl_usb2_platform_data *pdata, int on);
#include <mach/regs-power.h>
#include <asm/io.h>
static void set_vbus_draw(struct fsl_xcvr_ops *this,
struct fsl_usb2_platform_data *pdata, unsigned mA)
{
#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
if ((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL)
& BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x20000) {
printk(KERN_INFO "USB enumeration done,current limitation release\r\n");
__raw_writel(__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL) |
BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT, REGS_POWER_BASE +
HW_POWER_5VCTRL);
}
#endif
}
static struct fsl_xcvr_ops utmi_ops = {
.name = "utmi",
.xcvr_type = PORTSC_PTS_UTMI,
.init = fsl_phy_usb_utmi_init,
.uninit = fsl_phy_usb_utmi_uninit,
.set_vbus_power = fsl_phy_set_power,
.set_vbus_draw = set_vbus_draw,
};
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);
}
#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
fs_initcall(utmixc_init);
#else
module_init(utmixc_init);
#endif
module_exit(utmixc_exit);
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("utmi xcvr driver");
MODULE_LICENSE("GPL");
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