diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/phy.txt | 3 | ||||
| -rw-r--r-- | drivers/of/of_mdio.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt index 40831fbaff72..525e1658f2da 100644 --- a/Documentation/devicetree/bindings/net/phy.txt +++ b/Documentation/devicetree/bindings/net/phy.txt @@ -30,6 +30,9 @@ Optional Properties: - max-speed: Maximum PHY supported speed (10, 100, 1000...) +- broken-turn-around: If set, indicates the PHY device does not correctly + release the turn around line low at the end of a MDIO transaction. + Example: ethernet-phy@0 { diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 0c064485d1c2..fdc60db60829 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -68,6 +68,9 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio, struct device_node *chi phy->irq = mdio->irq[addr]; } + if (of_property_read_bool(child, "broken-turn-around")) + mdio->phy_ignore_ta_mask |= 1 << addr; + /* Associate the OF node with the device structure so it * can be looked up later */ of_node_get(child); |