summaryrefslogtreecommitdiff
path: root/include/linux/phy/phy.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/phy/phy.h')
-rw-r--r--include/linux/phy/phy.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 13add0c2c407..2af0d01ebb39 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -53,6 +53,15 @@ enum phy_media {
PHY_MEDIA_DAC,
};
+enum phy_ufs_state {
+ PHY_UFS_HIBERN8_ENTER,
+ PHY_UFS_HIBERN8_EXIT,
+};
+
+union phy_notify {
+ enum phy_ufs_state ufs_state;
+};
+
/**
* union phy_configure_opts - Opaque generic phy configuration
*
@@ -83,6 +92,7 @@ union phy_configure_opts {
* @set_speed: set the speed of the phy (optional)
* @reset: resetting the phy
* @calibrate: calibrate the phy
+ * @notify_phystate: notify and configure the phy for a particular state
* @release: ops to be performed while the consumer relinquishes the PHY
* @owner: the module owner containing the ops
*/
@@ -132,6 +142,7 @@ struct phy_ops {
int (*connect)(struct phy *phy, int port);
int (*disconnect)(struct phy *phy, int port);
+ int (*notify_phystate)(struct phy *phy, union phy_notify state);
void (*release)(struct phy *phy);
struct module *owner;
};
@@ -255,6 +266,7 @@ int phy_reset(struct phy *phy);
int phy_calibrate(struct phy *phy);
int phy_notify_connect(struct phy *phy, int port);
int phy_notify_disconnect(struct phy *phy, int port);
+int phy_notify_state(struct phy *phy, union phy_notify state);
static inline int phy_get_bus_width(struct phy *phy)
{
return phy->attrs.bus_width;
@@ -412,6 +424,13 @@ static inline int phy_notify_disconnect(struct phy *phy, int index)
return -ENOSYS;
}
+static inline int phy_notify_state(struct phy *phy, union phy_notify state)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
static inline int phy_configure(struct phy *phy,
union phy_configure_opts *opts)
{