linux-kernel - [PATCH net-next v3] dt-bindings: net: xilinx

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Message-ID: <20230824114456.12243-1-harini.katakam@amd.com>
Date:   Thu, 24 Aug 2023 17:14:56 +0530
From:   Harini Katakam <harini.katakam@....com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <edumazet@...gle.com>,
        <pabeni@...hat.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <harinikatakamlinux@...il.com>,
        <michal.simek@....com>, <harini.katakam@....com>,
        <radhey.shyam.pandey@....com>
Subject: [PATCH net-next v3] dt-bindings: net: xilinx_gmii2rgmii: Convert to json schema

From: Pranavi Somisetty <pranavi.somisetty@....com>

Convert the Xilinx GMII to RGMII Converter device tree binding
documentation to json schema.
This converter is usually used as gem <---> gmii2rgmii <---> external phy
and, it's phy-handle should point to the phandle of the external phy.

Signed-off-by: Pranavi Somisetty <pranavi.somisetty@....com>
Signed-off-by: Harini Katakam <harini.katakam@....com>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
v3 changes:
- Add new line before child nodes in example.
- Add Conor's review tag

 .../bindings/net/xilinx_gmii2rgmii.txt        | 35 ------------
 .../bindings/net/xlnx,gmii-to-rgmii.yaml      | 55 +++++++++++++++++++
 2 files changed, 55 insertions(+), 35 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt
 create mode 100644 Documentation/devicetree/bindings/net/xlnx,gmii-to-rgmii.yaml

diff --git a/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt
deleted file mode 100644
index 038dda48b8e6..000000000000
--- a/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-XILINX GMIITORGMII Converter Driver Device Tree Bindings
---------------------------------------------------------
-
-The Gigabit Media Independent Interface (GMII) to Reduced Gigabit Media
-Independent Interface (RGMII) core provides the RGMII between RGMII-compliant
-Ethernet physical media devices (PHY) and the Gigabit Ethernet controller.
-This core can be used in all three modes of operation(10/100/1000 Mb/s).
-The Management Data Input/Output (MDIO) interface is used to configure the
-Speed of operation. This core can switch dynamically between the three
-Different speed modes by configuring the conveter register through mdio write.
-
-This converter sits between the ethernet MAC and the external phy.
-MAC <==> GMII2RGMII <==> RGMII_PHY
-
-For more details about mdio please refer phy.txt file in the same directory.
-
-Required properties:
-- compatible	: Should be "xlnx,gmii-to-rgmii-1.0"
-- reg		: The ID number for the phy, usually a small integer
-- phy-handle	: Should point to the external phy device.
-		  See ethernet.txt file in the same directory.
-
-Example:
-	mdio {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		phy: ethernet-phy@0 {
-			......
-		};
-		gmiitorgmii: gmiitorgmii@8 {
-			compatible = "xlnx,gmii-to-rgmii-1.0";
-			reg = <8>;
-			phy-handle = <&phy>;
-		};
-	};
diff --git a/Documentation/devicetree/bindings/net/xlnx,gmii-to-rgmii.yaml b/Documentation/devicetree/bindings/net/xlnx,gmii-to-rgmii.yaml
new file mode 100644
index 000000000000..0f781dac6717
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/xlnx,gmii-to-rgmii.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/xlnx,gmii-to-rgmii.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx GMII to RGMII Converter
+
+maintainers:
+  - Harini Katakam <harini.katakam@....com>
+
+description:
+  The Gigabit Media Independent Interface (GMII) to Reduced Gigabit Media
+  Independent Interface (RGMII) core provides the RGMII between RGMII-compliant
+  ethernet physical media devices (PHY) and the Gigabit Ethernet controller.
+  This core can be used in all three modes of operation(10/100/1000 Mb/s).
+  The Management Data Input/Output (MDIO) interface is used to configure the
+  speed of operation. This core can switch dynamically between the three
+  different speed modes by configuring the converter register through mdio write.
+  The core cannot function without an external phy connected to it.
+
+properties:
+  compatible:
+    const: xlnx,gmii-to-rgmii-1.0
+
+  reg:
+    minimum: 0
+    maximum: 31
+    description: The ID number for the phy.
+
+  phy-handle:
+    $ref: ethernet-controller.yaml#/properties/phy-handle
+
+required:
+  - compatible
+  - reg
+  - phy-handle
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        phy: ethernet-phy@0 {
+            reg = <0>;
+        };
+        gmiitorgmii@8 {
+            compatible = "xlnx,gmii-to-rgmii-1.0";
+            reg = <8>;
+            phy-handle = <&phy>;
+        };
+    };
-- 
2.17.1