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-rw-r--r--include/linux/usb/phy.h33
1 files changed, 27 insertions, 6 deletions
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 15847cbdb512..6b5978f57633 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -91,6 +91,9 @@ struct usb_phy {
int (*init)(struct usb_phy *x);
void (*shutdown)(struct usb_phy *x);
+ /* enable/disable VBUS */
+ int (*set_vbus)(struct usb_phy *x, int on);
+
/* effective for B devices, ignored for A-peripheral */
int (*set_power)(struct usb_phy *x,
unsigned mA);
@@ -160,8 +163,26 @@ usb_phy_shutdown(struct usb_phy *x)
x->shutdown(x);
}
+static inline int
+usb_phy_vbus_on(struct usb_phy *x)
+{
+ if (!x->set_vbus)
+ return 0;
+
+ return x->set_vbus(x, true);
+}
+
+static inline int
+usb_phy_vbus_off(struct usb_phy *x)
+{
+ if (!x->set_vbus)
+ return 0;
+
+ return x->set_vbus(x, false);
+}
+
/* for usb host and peripheral controller drivers */
-#ifdef CONFIG_USB_OTG_UTILS
+#if IS_ENABLED(CONFIG_USB_PHY)
extern struct usb_phy *usb_get_phy(enum usb_phy_type type);
extern struct usb_phy *devm_usb_get_phy(struct device *dev,
enum usb_phy_type type);
@@ -176,29 +197,29 @@ extern int usb_bind_phy(const char *dev_name, u8 index,
#else
static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
{
- return NULL;
+ return ERR_PTR(-ENXIO);
}
static inline struct usb_phy *devm_usb_get_phy(struct device *dev,
enum usb_phy_type type)
{
- return NULL;
+ return ERR_PTR(-ENXIO);
}
static inline struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index)
{
- return NULL;
+ return ERR_PTR(-ENXIO);
}
static inline struct usb_phy *devm_usb_get_phy_dev(struct device *dev, u8 index)
{
- return NULL;
+ return ERR_PTR(-ENXIO);
}
static inline struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
const char *phandle, u8 index)
{
- return NULL;
+ return ERR_PTR(-ENXIO);
}
static inline void usb_put_phy(struct usb_phy *x)
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