1 files changed, 70 insertions, 0 deletions
diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h
new file mode 100644
index 000000000..98487fd7a
--- /dev/null
+++ b/include/linux/usb/of.h
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * OF helpers for usb devices.
+ */
+
+#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>
+
+struct usb_device;
+
+#if IS_ENABLED(CONFIG_OF)
+enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
+bool of_usb_host_tpl_support(struct device_node *np);
+int of_usb_update_otg_caps(struct device_node *np,
+			struct usb_otg_caps *otg_caps);
+struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1);
+bool usb_of_has_combined_node(struct usb_device *udev);
+struct device_node *usb_of_get_interface_node(struct usb_device *udev,
+		u8 config, u8 ifnum);
+struct device *usb_of_get_companion_dev(struct device *dev);
+#else
+static inline enum usb_dr_mode
+of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
+{
+	return USB_DR_MODE_UNKNOWN;
+}
+static inline bool of_usb_host_tpl_support(struct device_node *np)
+{
+	return false;
+}
+static inline int of_usb_update_otg_caps(struct device_node *np,
+				struct usb_otg_caps *otg_caps)
+{
+	return 0;
+}
+static inline struct device_node *
+usb_of_get_device_node(struct usb_device *hub, int port1)
+{
+	return NULL;
+}
+static inline bool usb_of_has_combined_node(struct usb_device *udev)
+{
+	return false;
+}
+static inline struct device_node *
+usb_of_get_interface_node(struct usb_device *udev, u8 config, u8 ifnum)
+{
+	return NULL;
+}
+static inline struct device *usb_of_get_companion_dev(struct device *dev)
+{
+	return NULL;
+}
+#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 */