[PATCH net-next v8 1/5] dt-bindings: net: Add tx and rx internal delays
From: Dan Murphy <hidden>
Date: 2020-06-18 21:10:34
Also in:
linux-devicetree, lkml
Subsystem:
ethernet phy library, networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
tx-internal-delays and rx-internal-delays are a common setting for RGMII capable devices. These properties are used when the phy-mode or phy-controller is set to rgmii-id, rgmii-rxid or rgmii-txid. These modes indicate to the controller that the PHY will add the internal delay for the connection. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dan Murphy <redacted> --- .../devicetree/bindings/net/ethernet-phy.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 9b1f1147ca36..7d8265eb49d6 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml@@ -162,6 +162,19 @@ properties: description: Specifies a reference to a node representing a SFP cage. + + rx-internal-delay-ps: + description: | + RGMII Receive PHY Clock Delay defined in pico seconds. This is used for + PHY's that have configurable RX internal delays. If this property is + present then the PHY applies the RX delay. + + tx-internal-delay-ps: + description: | + RGMII Transmit PHY Clock Delay defined in pico seconds. This is used for + PHY's that have configurable TX internal delays. If this property is + present then the PHY applies the TX delay. + required: - reg
--
2.26.2