Hello The RGMII internal delay is a common setting found in most RGMII capable PHY devices. It was found that many vendor specific device tree properties exist to do the same function. This creates a common property to be used for PHY's that have tunable internal delays for the Rx and Tx paths.
Dan Murphy (4): dt-bindings: net: Add tx and rx internal delays net: phy: Add a helper to return the index for of the internal delay dt-bindings: net: Add RGMII internal delay for DP83869 net: dp83869: Add RGMII internal delay configuration .../bindings/net/ethernet-controller.yaml | 14 +++ .../devicetree/bindings/net/ti,dp83869.yaml | 16 +++ drivers/net/phy/dp83869.c | 101 ++++++++++++++++++ drivers/net/phy/phy_device.c | 45 ++++++++ include/linux/phy.h | 2 + 5 files changed, 178 insertions(+) -- 2.26.2