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linux-next/include/linux/usb/of.h
Peter Chen 05f8b35a62 usb: common: add API to get if the platform supports TPL
The TPL (Targeted Peripheral List) is used for targeted hosts
(non-PC hosts), and it can be used at USB OTG & EH certification
and some specific products which need white list.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23 21:28:41 -07:00

46 lines
1.0 KiB
C

/*
* OF helpers for usb devices.
*
* This file is released under the GPLv2
*/
#ifndef __LINUX_USB_OF_H
#define __LINUX_USB_OF_H
#include <linux/usb/ch9.h>
#include <linux/usb/otg.h>
#include <linux/usb/phy.h>
#if IS_ENABLED(CONFIG_OF)
enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np);
bool of_usb_host_tpl_support(struct device_node *np);
#else
static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
{
return USB_DR_MODE_UNKNOWN;
}
static inline enum usb_device_speed
of_usb_get_maximum_speed(struct device_node *np)
{
return USB_SPEED_UNKNOWN;
}
static inline bool of_usb_host_tpl_support(struct device_node *np)
{
return false;
}
#endif
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np);
#else
static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
{
return USBPHY_INTERFACE_MODE_UNKNOWN;
}
#endif
#endif /* __LINUX_USB_OF_H */