netdev - [PATCH net-next V2 1/2] dt-bindings: net: xlnx,axi-ethernet: Modify descriptions and phy-mode value to support 2500base-X only configuration

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Message-ID: <20250312095411.1392379-2-suraj.gupta2@amd.com>
Date: Wed, 12 Mar 2025 15:24:10 +0530
From: Suraj Gupta <suraj.gupta2@....com>
To: <radhey.shyam.pandey@....com>, <andrew+netdev@...n.ch>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <michal.simek@....com>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<git@....com>, <harini.katakam@....com>
Subject: [PATCH net-next V2 1/2] dt-bindings: net: xlnx,axi-ethernet: Modify descriptions and phy-mode value to support 2500base-X only configuration

AXI 1G/2.5G Ethernet subsystem supports 1G and 2.5G speeds. Modify
existing binding description, pcs-handle description and add
2500base-x in phy-mode for 2500base-X only configuration.

Signed-off-by: Suraj Gupta <suraj.gupta2@....com>
---
 .../devicetree/bindings/net/xlnx,axi-ethernet.yaml       | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml b/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml
index fb02e579463c..977f55b98f31 100644
--- a/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml
+++ b/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml
@@ -9,10 +9,12 @@ title: AXI 1G/2.5G Ethernet Subsystem
 description: |
   Also called  AXI 1G/2.5G Ethernet Subsystem, the xilinx axi ethernet IP core
   provides connectivity to an external ethernet PHY supporting different
-  interfaces: MII, GMII, RGMII, SGMII, 1000BaseX. It also includes two
+  interfaces: MII, GMII, RGMII, SGMII, 1000BaseX and 2500BaseX. It also includes two
   segments of memory for buffering TX and RX, as well as the capability of
   offloading TX/RX checksum calculation off the processor.
 
+  AXI 2.5G MAC is incremental speed upgrade of AXI 1G and supports 2.5G speed.
+
   Management configuration is done through the AXI interface, while payload is
   sent and received through means of an AXI DMA controller. This driver
   includes the DMA driver code, so this driver is incompatible with AXI DMA
@@ -62,6 +64,7 @@ properties:
       - rgmii
       - sgmii
       - 1000base-x
+      - 2500base-x
 
   xlnx,phy-type:
     description:
@@ -118,8 +121,8 @@ properties:
     type: object
 
   pcs-handle:
-    description: Phandle to the internal PCS/PMA PHY in SGMII or 1000Base-X
-      modes, where "pcs-handle" should be used to point to the PCS/PMA PHY,
+    description: Phandle to the internal PCS/PMA PHY in SGMII or 1000base-x/
+      2500base-x modes, where "pcs-handle" should be used to point to the PCS/PMA PHY,
       and "phy-handle" should point to an external PHY if exists.
     maxItems: 1
 
-- 
2.25.1