linux/drivers/usb/chipidea/ci_hdrc_imx.h
Peter Chen 58a3cefb38
usb: chipidea: imx: add two samsung picophy parameters tuning implementation
These two parameters are used to improve USB signal for board level,
in this commit, we read it from the dtb, and write to related register
during the initialization.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
2020-08-23 11:40:08 +08:00

41 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2012 Freescale Semiconductor, Inc.
*/
#ifndef __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H
#define __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H
struct imx_usbmisc_data {
struct device *dev;
int index;
unsigned int disable_oc:1; /* over current detect disabled */
/* true if over-current polarity is active low */
unsigned int oc_pol_active_low:1;
/* true if dt specifies polarity */
unsigned int oc_pol_configured:1;
unsigned int pwr_pol:1; /* power polarity */
unsigned int evdo:1; /* set external vbus divider option */
unsigned int ulpi:1; /* connected to an ULPI phy */
unsigned int hsic:1; /* HSIC controlller */
unsigned int ext_id:1; /* ID from exteranl event */
unsigned int ext_vbus:1; /* Vbus from exteranl event */
struct usb_phy *usb_phy;
enum usb_dr_mode available_role; /* runtime usb dr mode */
int emp_curr_control;
int dc_vol_level_adjust;
};
int imx_usbmisc_init(struct imx_usbmisc_data *data);
int imx_usbmisc_init_post(struct imx_usbmisc_data *data);
int imx_usbmisc_set_wakeup(struct imx_usbmisc_data *data, bool enabled);
int imx_usbmisc_hsic_set_connect(struct imx_usbmisc_data *data);
int imx_usbmisc_hsic_set_clk(struct imx_usbmisc_data *data, bool on);
int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect);
#endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */