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

From: Rob Herring
Date: Thu Feb 06 2020 - 15:47:10 EST


On Wed, Jan 29, 2020 at 02:34:31PM -0500, min.li.xe@xxxxxxxxxxx wrote:
> From: Min Li <min.li.xe@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxx>
> ---
> .../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@xxxxxxxxxxx>
> +
> +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
>