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

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

[min.li.xe]

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

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

[Rob Herring]

On Wed, Jan 29, 2020 at 02:34:31PM -0500, min.li.xe@renesas.com wrote:
> 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.

Can drop the description. That's every device.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    i2c@1 {
> +        compatible = "abc,acme-1234";
> +        reg = <0x01 0x400>;

Just do:

i2c {

Eventually undocumented compatibles are going to throw warnings.

> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        phc@51 {
> +            compatible = "idt,82p33810";
> +            reg = <0x51>;
> +        };
> +    };
> -- 
> 2.7.4
>