linux-kernel - Re: [PATCH] dt-bindings: connector: usb: allow a single HS port

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Message-ID: <168739847068.36808.12687973210277426277.robh@kernel.org>
Date:   Wed, 21 Jun 2023 19:47:52 -0600
From:   Rob Herring <robh@...nel.org>
To:     Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Cc:     krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
        alexandre.torgue@...s.st.com,
        linux-stm32@...md-mailman.stormreply.com, conor+dt@...nel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org
Subject: Re: [PATCH] dt-bindings: connector: usb: allow a single HS port


On Tue, 20 Jun 2023 10:56:33 +0200, Fabrice Gasnier wrote:
> Allow a single HS port to be used e.g. without reg property and a unit
> address. OF graph allows a single port node, without 'reg' property.
> 
> This removes a couple of Warnings or errors on STM32MP boards.
> When using single HS port currently, when doing building with W=1:
> arch/arm/boot/dts/stm32mp157c-dk2.dtb: stusb1600@28: connector:
> Unevaluated properties are not allowed ('port' was unexpected)
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
> ---
> Notes: Other attempts seem to lead to a dead end. Ex: by updating the
> relevant dts files, to use ports, and port@0, make W=1 shows
> ...connector/ports: graph node has single child node
> 'port@0', #address-cells/#size-cells are not necessary.
> But not adding them lead to another "Warning (avoid_default_addr_size)"
> ---
>  .../bindings/connector/usb-connector.yaml     | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 

Applied, thanks!