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Date:   Mon, 18 Sep 2023 01:58:58 -0500
From:   Jay Monkman <jtm@lopingdog.com>
To:     devicetree@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Piergiorgio Beruto <piergiorgio.beruto@gmail.com>,
        Arndt Schuebel <Arndt.Schuebel@onsemi.com>
Subject: [PATCH 2/4] dt-bindings: net: Add onsemi NCN26010 ethernet controller
Message-ID: <ZQf1Mgb8lfHkB6rl@lopingdog.com>
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Add devicetree bindings for onsemi's NCN26010 10BASE-T1S
ethernet controller.

Signed-off-by: Jay Monkman <jtm@lopingdog.com>
---
 .../devicetree/bindings/net/onnn,macphy.yaml  | 94 +++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/onnn,macphy.yaml

diff --git a/Documentation/devicetree/bindings/net/onnn,macphy.yaml b/Documentation/devicetree/bindings/net/onnn,macphy.yaml
new file mode 100644
index 000000000000..1813da81b95f
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/onnn,macphy.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/onnn,macphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: onsemi 10BASE-T1S Ethernet Controller
+
+maintainers:
+  - Jay Monkman <jtm@lopingdog.com>
+
+description: |
+  Bindings for onsemi 10BASE-T1S ethernet controller.
+
+  Supported devices:
+    ncn26010
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    const: onnn,ncn26010
+
+  ctrl-protected:
+    description: |
+      Enables control data read/write protection mode.
+    type: boolean
+
+  poll-interval:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Defines how often the MACPHY thread runs in milliseconds.
+      If not specified, a default value of 5 is used.
+
+  tx-fcs-calc:
+    description: |
+      Enables driver calculation of the FCS on transmitted frames.
+    type: boolean
+
+  rx-fcs-check:
+    description: |
+      Enables driver checking of the FCS on received frames
+    type: boolean
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  mdio:
+    $ref: mdio.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ethernet@0 {
+        compatible = "onnn,ncn26010";
+        reg = <0>; /* CE0 */
+        ctrl-protected;
+        tx-fcs-calc;
+        rx-fcs-check;
+        poll-interval = <5>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&eth1_pins>;
+        interrupt-parent = <&gpio>;
+        interrupts = <25 0x2>;
+
+        mdio {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          ephy0: ethernet-phy@0 {
+            compatible = "ethernet-phy-ieee802.3-c22";
+            reg = <0>;
+            dio0-fn = "gpio";
+            dio0-slew = "slow";
+            dio1-fn = "gpio";
+            dio1-slew = "slow";
+            eni-enable;
+          };
+        };
+      };
+    };
-- 
2.40.1