1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/fwnode_mdio.h b/include/linux/fwnode_mdio.h
new file mode 100644
index 000000000000..faf603c48c86
--- /dev/null
+++ b/include/linux/fwnode_mdio.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * FWNODE helper for the MDIO (Ethernet PHY) API
+ */
+
+#ifndef __LINUX_FWNODE_MDIO_H
+#define __LINUX_FWNODE_MDIO_H
+
+#include <linux/phy.h>
+
+#if IS_ENABLED(CONFIG_FWNODE_MDIO)
+int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
+				       struct phy_device *phy,
+				       struct fwnode_handle *child, u32 addr);
+
+int fwnode_mdiobus_register_phy(struct mii_bus *bus,
+				struct fwnode_handle *child, u32 addr);
+
+#else /* CONFIG_FWNODE_MDIO */
+int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
+				       struct phy_device *phy,
+				       struct fwnode_handle *child, u32 addr)
+{
+	return -EINVAL;
+}
+
+static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus,
+					      struct fwnode_handle *child,
+					      u32 addr)
+{
+	return -EINVAL;
+}
+#endif
+
+#endif /* __LINUX_FWNODE_MDIO_H */