[PATCH 1/2] dt-bindings: ptp: Add IDT 82P33 based PTP clock

[min.li.xe@renesas.com]

From: Min Li <min.li.xe@renesas.com>

Add device tree binding doc for the PTP clock based on IDT 82P33
Synchronization Management Unit (SMU).

Signed-off-by: Min Li <min.li.xe@renesas.com>
---
 .../devicetree/bindings/ptp/ptp-idt82p33.yaml      | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml

diff --git a/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml b/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml
new file mode 100644
index 0000000..11d1b40
--- /dev/null
+++ b/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ptp/ptp-idt82p33.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IDT 82P33 PTP Clock Device Tree Bindings
+
+description: |
+  IDT 82P33XXX Synchronization Management Unit (SMU) based PTP clock
+
+maintainers:
+  - Min Li <min.li.xe@renesas.com>
+
+properties:
+  compatible:
+    enum:
+      - idt,82p33810
+      - idt,82p33813
+      - idt,82p33814
+      - idt,82p33831
+      - idt,82p33910
+      - idt,82p33913
+      - idt,82p33914
+      - idt,82p33931
+
+  reg:
+    maxItems: 1
+    description:
+      I2C slave address of the device.
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c@1 {
+        compatible = "abc,acme-1234";
+        reg = <0x01 0x400>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        phc@51 {
+            compatible = "idt,82p33810";
+            reg = <0x51>;
+        };
+    };
-- 
2.7.4