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Message-ID: <20200623134836.21981-2-dmurphy@ti.com>
Date:   Tue, 23 Jun 2020 08:48:32 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
        <davem@...emloft.net>, <robh@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH net-next v10 1/5] dt-bindings: net: Add tx and rx internal delays

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.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../devicetree/bindings/net/ethernet-phy.yaml        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 9b1f1147ca36..a9e547ac7905 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -162,6 +162,18 @@ 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

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