Signed-off-by: Sascha Hauer <[email protected]>
---
drivers/phy/phy-core.c | 15 +++++++++++++++
include/linux/phy/phy.h | 41 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 56 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index a5dd32e666..1a23f35b95 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -203,6 +203,21 @@ int phy_power_off(struct phy *phy)
return 0;
}
+int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode)
+{
+ int ret;
+
+ if (!phy || !phy->ops->set_mode)
+ return 0;
+
+ ret = phy->ops->set_mode(phy, mode, submode);
+ if (!ret)
+ phy->attrs.mode = mode;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(phy_set_mode_ext);
+
struct usb_phy *phy_to_usbphy(struct phy *phy)
{
if (!phy)
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 5dcc5b108a..9f01bc3e9f 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -20,12 +20,36 @@
struct phy;
+enum phy_mode {
+ PHY_MODE_INVALID,
+ PHY_MODE_USB_HOST,
+ PHY_MODE_USB_HOST_LS,
+ PHY_MODE_USB_HOST_FS,
+ PHY_MODE_USB_HOST_HS,
+ PHY_MODE_USB_HOST_SS,
+ PHY_MODE_USB_DEVICE,
+ PHY_MODE_USB_DEVICE_LS,
+ PHY_MODE_USB_DEVICE_FS,
+ PHY_MODE_USB_DEVICE_HS,
+ PHY_MODE_USB_DEVICE_SS,
+ PHY_MODE_USB_OTG,
+ PHY_MODE_UFS_HS_A,
+ PHY_MODE_UFS_HS_B,
+ PHY_MODE_PCIE,
+ PHY_MODE_ETHERNET,
+ PHY_MODE_MIPI_DPHY,
+ PHY_MODE_SATA,
+ PHY_MODE_LVDS,
+ PHY_MODE_DP
+};
+
/**
* struct phy_ops - set of function pointers for performing phy operations
* @init: operation to be performed for initializing phy
* @exit: operation to be performed while exiting
* @power_on: powering on the phy
* @power_off: powering off the phy
+ * @set_mode: set the mode of the phy
* @owner: the module owner containing the ops
*/
struct phy_ops {
@@ -33,15 +57,18 @@ struct phy_ops {
int (*exit)(struct phy *phy);
int (*power_on)(struct phy *phy);
int (*power_off)(struct phy *phy);
+ int (*set_mode)(struct phy *phy, enum phy_mode mode, int submode);
struct usb_phy *(*to_usbphy)(struct phy *phy);
};
/**
* struct phy_attrs - represents phy attributes
* @bus_width: Data path width implemented by PHY
+ * @mode: PHY mode
*/
struct phy_attrs {
u32 bus_width;
+ enum phy_mode mode;
};
/**
@@ -125,6 +152,9 @@ int phy_init(struct phy *phy);
int phy_exit(struct phy *phy);
int phy_power_on(struct phy *phy);
int phy_power_off(struct phy *phy);
+int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode);
+#define phy_set_mode(phy, mode) \
+ phy_set_mode_ext(phy, mode, 0)
static inline int phy_get_bus_width(struct phy *phy)
{
return phy->attrs.bus_width;
@@ -177,6 +207,17 @@ static inline int phy_power_off(struct phy *phy)
return -ENOSYS;
}
+static inline int phy_set_mode_ext(struct phy *phy, enum phy_mode mode,
+ int submode)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+#define phy_set_mode(phy, mode) \
+ phy_set_mode_ext(phy, mode, 0)
+
static inline int phy_get_bus_width(struct phy *phy)
{
return -ENOSYS;
--
2.30.2
