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net: mdiobus: Introduce fwnode_mdiobus_register_phy()

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Introduce fwnode_mdiobus_register_phy() to register PHYs on the
mdiobus. From the compatible string, identify whether the PHY is
c45 and based on this create a PHY device instance which is
registered on the mdiobus.

Along with fwnode_mdiobus_register_phy() also introduce
fwnode_find_mii_timestamper() and fwnode_mdiobus_phy_device_register()
since they are needed.
While at it, also use the newly introduced fwnode operation in
of_mdiobus_phy_device_register().

Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Grant Likely <grant.likely@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Calvin Johnson
2021-06-11 13:53:54 +03:00
committed by David S. Miller
parent b9926da003
commit bc1bee3b87
6 changed files with 194 additions and 40 deletions
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35
include/linux/fwnode_mdio.h Normal file
View File

@@ -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 */