[PATCH net-next 1/1] dt-bindings: ptp: Add device tree binding for IDT FemtoClock

[Min Li]

From: Min Li <min.li.xe@xxxxxxxxxxx>

Add device tree binding doc for the IDT FemtoClock Frequency
Clock Synthesizers.

Signed-off-by: Min Li <min.li.xe@xxxxxxxxxxx>
---
 .../devicetree/bindings/ptp/ptp-idtfc3.yaml   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/ptp/ptp-idtfc3.yaml

diff --git a/Documentation/devicetree/bindings/ptp/ptp-idtfc3.yaml b/Documentation/devicetree/bindings/ptp/ptp-idtfc3.yaml
new file mode 100644
index 000000000000..3e1c3135df5a
--- /dev/null
+++ b/Documentation/devicetree/bindings/ptp/ptp-idtfc3.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ptp/ptp-idtfc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RENESAS FemtoClock (TM) Frequency Clock Synthesizers
+
+maintainers:
+  - Min Li <min.li.xe@xxxxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      # For System Synchronizer
+      - idt,rc38xxx0
+      - idt,rc38xxx1
+      - idt,rc38xxx2
+      - idt,rc38xxx3
+      - idt,rc38xxx4
+      - idt,rc38xxx5
+      - idt,rc38xxx6
+      - idt,rc38xxx7
+      - idt,rc38xxx8
+      - idt,rc38xxx9
+
+  reg:
+    maxItems: 1
+    description:
+      I2C slave address of the device.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+	phc@9 { /* FemtoClock3 */
+		compatible = "idt,rc38xxx0";
+		reg = <0x9>;
+	};
+    };
-- 
2.39.2