linux-kernel - Re: [PATCH v5 1/2] dt-bindings: connector: Add child nodes for multiple PD capabilities

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Message-ID: <20231208165039.GA1756077-robh@kernel.org>
Date:   Fri, 8 Dec 2023 10:50:39 -0600
From:   Rob Herring <robh@...nel.org>
To:     Kyle Tso <kyletso@...gle.com>
Cc:     krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux@...ck-us.net, heikki.krogerus@...ux.intel.com,
        gregkh@...uxfoundation.org, badhri@...gle.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v5 1/2] dt-bindings: connector: Add child nodes for
 multiple PD capabilities

On Tue, Dec 05, 2023 at 11:01:13AM +0800, Kyle Tso wrote:
> Commit 662a60102c12 ("usb: typec: Separate USB Power Delivery from USB
> Type-C") allows userspace to configure the PD of a port by selecting
> different set of predefined PD capabilities. Define the PD capability
> sets in DT for better configurability in device modules.
> 
> Define an optional child node "capabilities" to contain multiple USB
> Power Delivery capabilities.
> 
> Define child nodes with pattern (e.g. caps-0, caps-1) under
> "capabilities". Each node contains PDO data of a selectable Power
> Delivery capability.
> 
> Also define common properties for source-pdos, sink-pdos, and
> op-sink-microwatt that can be referenced.
> 
> Signed-off-by: Kyle Tso <kyletso@...gle.com>
> ---
> v4 -> v5:
> - Fixed DT_CHECK errors
> 
>  .../bindings/connector/usb-connector.yaml     | 88 +++++++++++++------
>  1 file changed, 59 insertions(+), 29 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> index 7c8a3e8430d3..7945d09d1f59 100644
> --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
> +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> @@ -14,6 +14,8 @@ description:
>    of a USB interface controller or a separate node when it is attached to both
>    MUX and USB interface controller.
>  
> +$ref: "#/$defs/capabilities"
> +
>  properties:
>    compatible:
>      oneOf:
> @@ -67,6 +69,15 @@ properties:
>        model it as a regulator. See bindings/regulator/fixed-regulator.yaml
>  
>    # The following are optional properties for "usb-c-connector".
> +  source-pdos:
> +    $ref: "#/$defs/capabilities/properties/source-pdos"
> +
> +  sink-pdos:
> +    $ref: "#/$defs/capabilities/properties/sink-pdos"
> +
> +  op-sink-microwatt:
> +    $ref: "#/$defs/capabilities/properties/op-sink-microwatt"

With the $ref above, these aren't needed. But you have to use 
unevaluatedProperties instead of additionalProperties.

I fixed this up and applied.

Rob