linux-kernel - Re: [RFC PATCH 1/2] dt-bindings: connector: Add gpio-usb-c-connector compatible

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Date: Fri, 29 Mar 2024 15:37:35 +0000
From: Conor Dooley <conor@...nel.org>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>, Kyle Tso <kyletso@...gle.com>,
	Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	u.kleine-koenig@...gutronix.de,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, quic_ppratap@...cinc.com,
	quic_jackp@...cinc.com
Subject: Re: [RFC PATCH 1/2] dt-bindings: connector: Add gpio-usb-c-connector
 compatible

On Fri, Mar 29, 2024 at 12:49:47PM +0530, Krishna Kurapati wrote:
> QDU1000 IDP [1] has a Type-c connector and supports USB 3.0.
> However it relies on usb-conn-gpio driver to read the vbus and id
> gpio's and provide role switch. However the driver currently has
> only gpio-b-connector compatible present in ID table. Adding that
> in DT would mean that the device supports Type-B connector and not
> Type-c connector.
> 
> Add gpio-usb-c-connector compatible to the driver to support such
> cases.

This is not a driver. Bindings commit messages should talk about the
hardware they're supporting, not about drivers.

> 
> [1]: https://lore.kernel.org/all/20240319091020.15137-3-quic_kbajaj@quicinc.com/
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> ---
>  Documentation/devicetree/bindings/connector/usb-connector.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> index fb216ce68bb3..2af27793c639 100644
> --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
> +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
> @@ -30,6 +30,9 @@ properties:
>            - const: samsung,usb-connector-11pin
>            - const: usb-b-connector
>  
> +      - items:
> +          - const: gpio-usb-c-connector

This is over complicated, just needs to be "- const: gpio-usb-c-connector"

Thanks,
Conor.

> +
>    reg:
>      maxItems: 1
>  
> -- 
> 2.34.1
> 

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