Re: [PATCH v2 3/4] dt-bindings: mux: Add lan966 flexcom mux controller

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On 09/05/2022 10:49, Kavyasree Kotagiri wrote:
> This adds DT bindings documentation for lan966 flexcom
> mux controller.
> 
> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx>
> ---
>  .../mux/microchip,lan966-flx-mux.yaml         | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mux/microchip,lan966-flx-mux.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mux/microchip,lan966-flx-mux.yaml b/Documentation/devicetree/bindings/mux/microchip,lan966-flx-mux.yaml
> new file mode 100644
> index 000000000000..63147a2e8f3a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mux/microchip,lan966-flx-mux.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mux/microchip,lan966-flx-mux.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip Lan966 Flexcom multiplexer bindings

s/bindings//

> +
> +maintainers:
> +  - Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx>
> +
> +description: |+

No need for |+

> +  The Microchip Lan966 have 5 Flexcoms. Each flexcom has 2 chip-selects
> +  when operating in USART and SPI modes.
> +  Each chip select of each flexcom can be mapped to 21 flexcom shared pins.
> +  Define register offset and pin number to map a flexcom chip-select
> +  to flexcom shared pin.
> +
> +allOf:
> +  - $ref: /schemas/mux/mux-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: microchip,lan966-flx-mux
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#mux-control-cells':
> +    const: 1
> +
> +  mux-offset-pin:
> +    description: an array of register offset and flexcom shared pin(0-20).

This does not look like generic property, so you need vendor prefix and
type/ref.

> +
> +required:
> +  - compatible
> +  - reg
> +  - '#mux-control-cells'
> +  - mux-offset-pin
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    mux: mux-controller@e2004168 {
> +        compatible = "microchip,lan966-flx-mux";
> +        reg = <0xe2004168 0x8>;
> +        #mux-control-cells = <1>;
> +        mux-offset-pin = <0x18 9>; /* 0: flx3 cs0 offset, pin-9 */
> +    };
> +...


Best regards,
Krzysztof



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