[RFC PATCH net-next 1/9] dt-bindings: net: Add lynx PCS

[Sean Anderson <sean.anderson@seco.com>]

This adds bindings for the PCS half of the Lynx 10g/28g SerDes drivers.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
---

 .../devicetree/bindings/net/fsl,lynx-pcs.yaml | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/fsl,lynx-pcs.yaml

diff --git a/Documentation/devicetree/bindings/net/fsl,lynx-pcs.yaml b/Documentation/devicetree/bindings/net/fsl,lynx-pcs.yaml
new file mode 100644
index 000000000000..49dee66ab679
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/fsl,lynx-pcs.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/fsl,lynx-pcs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Lynx 10g/28g PCS
+
+maintainers:
+  - Ioana Ciornei <ioana.ciornei@nxp.com>
+
+description: |
+  Lynx SerDes devices may contain several Ethernet protocol controllers. These
+  controllers convert between (X)GMII and a variety of high-speed interfaces
+  (SGMII, 10GBase-R, QSGMII, etc). Unlike the SerDes itself, the PCSs are
+  accessed over an internal MDIO bus.
+
+properties:
+  compatible:
+    const: fsl,lynx-pcs
+
+  reg:
+    maxItems: 1
+
+  phys:
+    description: A reference to the SerDes lane(s)
+    maxItems: 1
+
+  phy-names:
+    const: serdes
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mdio-bus {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      ethernet-pcs@1 {
+        compatible = "fsl,lynx-pcs";
+        reg = <0x1>;
+      };
+    };
-- 
2.35.1.1320.gc452695387.dirty