of.h 1.2 KB
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/*
 * OF helpers for usb devices.
 *
 * This file is released under the GPLv2
 */

#ifndef __LINUX_USB_OF_H
#define __LINUX_USB_OF_H

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#include <linux/usb/ch9.h>
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#include <linux/usb/otg.h>
#include <linux/usb/phy.h>

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#if IS_ENABLED(CONFIG_OF)
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enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
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enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np);
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bool of_usb_host_tpl_support(struct device_node *np);
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int of_usb_update_otg_caps(struct device_node *np,
			struct usb_otg_caps *otg_caps);
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#else
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static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
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{
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	return USB_DR_MODE_UNKNOWN;
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}
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static inline enum usb_device_speed
of_usb_get_maximum_speed(struct device_node *np)
{
	return USB_SPEED_UNKNOWN;
}
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static inline bool of_usb_host_tpl_support(struct device_node *np)
{
	return false;
}
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static inline int of_usb_update_otg_caps(struct device_node *np,
				struct usb_otg_caps *otg_caps)
{
	return 0;
}
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#endif
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#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
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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)
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{
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	return USBPHY_INTERFACE_MODE_UNKNOWN;
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}
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#endif

#endif /* __LINUX_USB_OF_H */
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