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Message-Id: <20240626162307.1748759-1-Frank.Li@nxp.com>
Date: Wed, 26 Jun 2024 12:23:07 -0400
From: Frank Li <Frank.Li@....com>
To: krzk@...nel.org
Cc: Frank.Li@....com,
	conor+dt@...nel.org,
	davem@...emloft.net,
	devicetree@...r.kernel.org,
	edumazet@...gle.com,
	imx@...ts.linux.dev,
	krzk+dt@...nel.org,
	kuba@...nel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	pabeni@...hat.com,
	robh@...nel.org
Subject: [PATCH v2 1/1] dt-bindings: net: convert enetc to yaml

Convert enetc device binding file to yaml. Split to 3 yaml files,
'fsl,enetc.yaml', 'fsl,enetc-mdio.yaml', 'fsl,enetc-ierb.yaml'.

Additional Changes:
- Add pci<vendor id>,<production id> in compatible string.
- Ref to common ethernet-controller.yaml and mdio.yaml.
- Remove fixed-link part.

Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v1 to v2
- renamee file as fsl,enetc-mdio.yaml, fsl,enetc-ierb.yaml, fsl,enetc.yaml
- example include pcie node
---
 .../bindings/net/fsl,enetc-ierb.yaml          |  35 ++++++
 .../bindings/net/fsl,enetc-mdio.yaml          |  53 ++++++++
 .../devicetree/bindings/net/fsl,enetc.yaml    |  50 ++++++++
 .../devicetree/bindings/net/fsl-enetc.txt     | 119 ------------------
 4 files changed, 138 insertions(+), 119 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/fsl,enetc-ierb.yaml
 create mode 100644 Documentation/devicetree/bindings/net/fsl,enetc-mdio.yaml
 create mode 100644 Documentation/devicetree/bindings/net/fsl,enetc.yaml
 delete mode 100644 Documentation/devicetree/bindings/net/fsl-enetc.txt

diff --git a/Documentation/devicetree/bindings/net/fsl,enetc-ierb.yaml b/Documentation/devicetree/bindings/net/fsl,enetc-ierb.yaml
new file mode 100644
index 0000000000000..ce88d7ce07a5e
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl,enetc-ierb.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/fsl,enetc-ierb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Integrated Endpoint Register Block
+
+description:
+  The fsl_enetc driver can probe on the Integrated Endpoint Register
+  Block, which preconfigures the FIFO limits for the ENETC ports.
+
+maintainers:
+  - Frank Li <Frank.Li@....com>
+
+properties:
+  compatible:
+    enum:
+      - fsl,ls1028a-enetc-ierb
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    ierb@...800000 {
+        compatible = "fsl,ls1028a-enetc-ierb";
+        reg = <0xf0800000 0x10000>;
+    };
diff --git a/Documentation/devicetree/bindings/net/fsl,enetc-mdio.yaml b/Documentation/devicetree/bindings/net/fsl,enetc-mdio.yaml
new file mode 100644
index 0000000000000..60740ea56cb08
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl,enetc-mdio.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/fsl,enetc-mdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ENETC the central MDIO PCIe endpoint device
+
+description:
+  In this case, the mdio node should be defined as another PCIe
+  endpoint node, at the same level with the ENETC port nodes
+
+maintainers:
+  - Frank Li <Frank.Li@....com>.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - pci1957,ee01
+      - const: fsl,enetc-mdio
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: mdio.yaml
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    pcie@...000000 {
+        compatible = "pci-host-ecam-generic";
+        reg = <0x01 0xf0000000 0x0 0x100000>;
+        #address-cells = <3>;
+        #size-cells = <2>;
+
+        mdio@0,3 {
+            compatible = "pci1957,ee01", "fsl,enetc-mdio";
+            reg = <0x000300 0 0 0 0>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            ethernet-phy@2 {
+                reg = <0x2>;
+            };
+        };
+    };
diff --git a/Documentation/devicetree/bindings/net/fsl,enetc.yaml b/Documentation/devicetree/bindings/net/fsl,enetc.yaml
new file mode 100644
index 0000000000000..843c27e357f2d
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl,enetc.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/fsl,enetc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ENETC ethernet
+
+description:
+  Depending on board design and ENETC port type (internal or
+  external) there are two supported link modes specified by
+  below device tree bindings.
+
+maintainers:
+  - Frank Li <Frank.Li@....com>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - pci1957,e100
+      - const: fsl,enetc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: ethernet-controller.yaml
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    pcie@...000000 {
+        compatible = "pci-host-ecam-generic";
+        reg = <0x01 0xf0000000 0x0 0x100000>;
+        #address-cells = <3>;
+        #size-cells = <2>;
+
+        ethernet@0,0 {
+            compatible = "pci1957,e100", "fsl,enetc";
+            reg = <0x000000 0 0 0 0>;
+            phy-handle = <&sgmii_phy0>;
+            phy-connection-type = "sgmii";
+        };
+    };
diff --git a/Documentation/devicetree/bindings/net/fsl-enetc.txt b/Documentation/devicetree/bindings/net/fsl-enetc.txt
deleted file mode 100644
index 9b9a3f197e2d3..0000000000000
--- a/Documentation/devicetree/bindings/net/fsl-enetc.txt
+++ /dev/null
@@ -1,119 +0,0 @@
-* ENETC ethernet device tree bindings
-
-Depending on board design and ENETC port type (internal or
-external) there are two supported link modes specified by
-below device tree bindings.
-
-Required properties:
-
-- reg		: Specifies PCIe Device Number and Function
-		  Number of the ENETC endpoint device, according
-		  to parent node bindings.
-- compatible	: Should be "fsl,enetc".
-
-1. The ENETC external port is connected to a MDIO configurable phy
-
-1.1. Using the local ENETC Port MDIO interface
-
-In this case, the ENETC node should include a "mdio" sub-node
-that in turn should contain the "ethernet-phy" node describing the
-external phy.  Below properties are required, their bindings
-already defined in Documentation/devicetree/bindings/net/ethernet.txt or
-Documentation/devicetree/bindings/net/phy.txt.
-
-Required:
-
-- phy-handle		: Phandle to a PHY on the MDIO bus.
-			  Defined in ethernet.txt.
-
-- phy-connection-type	: Defined in ethernet.txt.
-
-- mdio			: "mdio" node, defined in mdio.txt.
-
-- ethernet-phy		: "ethernet-phy" node, defined in phy.txt.
-
-Example:
-
-	ethernet@0,0 {
-		compatible = "fsl,enetc";
-		reg = <0x000000 0 0 0 0>;
-		phy-handle = <&sgmii_phy0>;
-		phy-connection-type = "sgmii";
-
-		mdio {
-			#address-cells = <1>;
-			#size-cells = <0>;
-			sgmii_phy0: ethernet-phy@2 {
-				reg = <0x2>;
-			};
-		};
-	};
-
-1.2. Using the central MDIO PCIe endpoint device
-
-In this case, the mdio node should be defined as another PCIe
-endpoint node, at the same level with the ENETC port nodes.
-
-Required properties:
-
-- reg		: Specifies PCIe Device Number and Function
-		  Number of the ENETC endpoint device, according
-		  to parent node bindings.
-- compatible	: Should be "fsl,enetc-mdio".
-
-The remaining required mdio bus properties are standard, their bindings
-already defined in Documentation/devicetree/bindings/net/mdio.txt.
-
-Example:
-
-	ethernet@0,0 {
-		compatible = "fsl,enetc";
-		reg = <0x000000 0 0 0 0>;
-		phy-handle = <&sgmii_phy0>;
-		phy-connection-type = "sgmii";
-	};
-
-	mdio@0,3 {
-		compatible = "fsl,enetc-mdio";
-		reg = <0x000300 0 0 0 0>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-		sgmii_phy0: ethernet-phy@2 {
-			reg = <0x2>;
-		};
-	};
-
-2. The ENETC port is an internal port or has a fixed-link external
-connection
-
-In this case, the ENETC port node defines a fixed link connection,
-as specified by Documentation/devicetree/bindings/net/fixed-link.txt.
-
-Required:
-
-- fixed-link	: "fixed-link" node, defined in "fixed-link.txt".
-
-Example:
-	ethernet@0,2 {
-		compatible = "fsl,enetc";
-		reg = <0x000200 0 0 0 0>;
-		fixed-link {
-			speed = <1000>;
-			full-duplex;
-		};
-	};
-
-* Integrated Endpoint Register Block bindings
-
-Optionally, the fsl_enetc driver can probe on the Integrated Endpoint Register
-Block, which preconfigures the FIFO limits for the ENETC ports. This is a node
-with the following properties:
-
-- reg		: Specifies the address in the SoC memory space.
-- compatible	: Must be "fsl,ls1028a-enetc-ierb".
-
-Example:
-	ierb@...800000 {
-		compatible = "fsl,ls1028a-enetc-ierb";
-		reg = <0x01 0xf0800000 0x0 0x10000>;
-	};
-- 
2.34.1


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