@@ -921,6 +921,40 @@ int fwnode_get_phy_mode(struct fwnode_handle *fwnode)
}
EXPORT_SYMBOL_GPL(fwnode_get_phy_mode);
+/**
+ * fwnode_get_phy_modes - Fill in phy modes bitmap for given firmware node
+ * @fwnode: Pointer to the given node
+ * @interfaces: Phy modes bitmask, as declared by DECLARE_PHY_INTERFACE_MASK()
+ *
+ * Reads the strings from property 'phy-mode' or 'phy-connection-type' and fills
+ * interfaces bitmask. Returns 0 on success, or errno on error.
+ */
+int fwnode_get_phy_modes(struct fwnode_handle *fwnode,
+ unsigned long *interfaces)
+{
+ const char *modes[PHY_INTERFACE_MODE_MAX];
+ int len, i, j;
+
+ len = fwnode_property_read_string_array(fwnode, "phy-mode", modes,
+ ARRAY_SIZE(modes));
+ if (len < 0)
+ len = fwnode_property_read_string_array(fwnode,
+ "phy-connection-type",
+ modes,
+ ARRAY_SIZE(modes));
+ if (len < 0)
+ return len;
+
+ phy_interface_zero(interfaces);
+ for (i = 0; i < len; ++i)
+ for (j = 0; j < PHY_INTERFACE_MODE_MAX; j++)
+ if (!strcasecmp(modes[i], phy_modes(j)))
+ __set_bit(j, interfaces);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(fwnode_get_phy_modes);
+
/**
* device_get_phy_mode - Get first phy mode for given device
* @dev: Pointer to the given device
@@ -391,6 +391,9 @@ const void *device_get_match_data(struct device *dev);
int device_get_phy_mode(struct device *dev);
int fwnode_get_phy_mode(struct fwnode_handle *fwnode);
+int fwnode_get_phy_modes(struct fwnode_handle *fwnode,
+ unsigned long *interfaces);
+
struct fwnode_handle *fwnode_graph_get_next_endpoint(
const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
struct fwnode_handle *
Now that the 'phy-mode' property can be a string array containing more PHY modes, add helper function fwnode_get_phy_modes() that reads this property and fills in PHY interfaces bitmap. Signed-off-by: Marek Behún <kabel@kernel.org> --- drivers/base/property.c | 34 ++++++++++++++++++++++++++++++++++ include/linux/property.h | 3 +++ 2 files changed, 37 insertions(+)