Re: [PATCH v2 1/2] dt-bindings: connector: Add time property for tSenderResponse

From: Rob Herring (Arm)

Date: Tue Oct 27 2026 - 08:09:27 EST



On Sat, 10 Oct 2026 01:37:37 +0000, Amit Sunil Dhamne wrote:
> Add the sender-response-time-ms property to allow platforms to specify
> the tSenderResponse timer value, i.e. the max time a port waits for the
> port partner to respond to a message that requires a response.
>
> As per the PD specifications, the tSenderResponse values are:
>
> +--------+----------+----------+
> | Spec | Min (ms) | Max (ms) |
> +--------+----------+----------+
> | PD 2.0 | 24 | 30 |
> | PD 3.2 | 27 | 33 |
> +--------+----------+----------+
>
> Set the minimum value to 24 ms (the lowest minimum across the PD
> specifications). Both the default and maximum values are intentionally
> relaxed to 60 ms to maintain interoperability with slower port partners,
> while allowing platforms to configure stricter spec-compliant timeouts.
>
> Also update the max33359 example to showcase the new property.
>
> Assisted-by: LLM
> Signed-off-by: Amit Sunil Dhamne <amitsd@xxxxxxxxxx>
> Reviewed-by: Badhri Jagan Sridharan <badhri@xxxxxxxxxx>
> ---
> .../devicetree/bindings/connector/usb-connector.yaml | 12 ++++++++++++
> Documentation/devicetree/bindings/usb/maxim,max33359.yaml | 1 +
> 2 files changed, 13 insertions(+)
>

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>