linux-kernel - [RFC PATCH net-next 6/6] microchip: lan865x: add device-tree support for Microchip's LAN865X MACPHY

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Date:   Fri, 8 Sep 2023 19:59:19 +0530
From:   Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <corbet@....net>, <steen.hegelund@...rochip.com>,
        <rdunlap@...radead.org>, <horms@...nel.org>,
        <casper.casan@...il.com>, <andrew@...n.ch>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <horatiu.vultur@...rochip.com>, <Woojung.Huh@...rochip.com>,
        <Nicolas.Ferre@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
        <Thorsten.Kummermehr@...rochip.com>,
        Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
Subject: [RFC PATCH net-next 6/6] microchip: lan865x: add device-tree support for Microchip's LAN865X MACPHY

Add device-tree support for Microchip's LAN865X MACPHY for configuring
the OPEN Alliance 10BASE-T1x MACPHY Serial Interface parameters.

Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
---
 .../bindings/net/microchip,lan865x.yaml       | 54 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/microchip,lan865x.yaml

diff --git a/Documentation/devicetree/bindings/net/microchip,lan865x.yaml b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
new file mode 100644
index 000000000000..3465b2c97690
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/microchip,lan865x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip LAN8650/1 10BASE-T1S MACPHY Ethernet Controllers
+
+maintainers:
+  - Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
+
+description: |
+  Device tree properties for LAN8650/1 10BASE-T1S MACPHY Ethernet
+  controller.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - microchip,lan865x
+  reg:
+    maxItems: 1
+
+  local-mac-address: true
+  oa-chunk-size: true
+  oa-tx-cut-through: true
+  oa-rx-cut-through: true
+  oa-protected: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet@1{
+            compatible = "microchip,lan865x";
+            reg = <1>; /* CE0 */
+            local-mac-address = [04 05 06 01 02 03];
+            oa-chunk-size = <64>;
+            oa-tx-cut-through;
+            oa-rx-cut-through;
+            oa-protected;
+       };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 666c042a15b2..2bbb7f17d74e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13883,6 +13883,7 @@ MICROCHIP LAN8650/1 10BASE-T1S MACPHY ETHERNET DRIVER
 M:	Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
 L:	netdev@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/net/microchip,lan865x.yaml
 F:	drivers/net/ethernet/microchip/lan865x.c
 
 MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
-- 
2.34.1