linux-kernel - Re: [PATCH v5 09/22] dt-bindings: phy: renesas,usb2-phy: Document mux-states property

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Message-Id: <176425022696.4101743.14899408887981951821.robh@kernel.org>
Date: Thu, 27 Nov 2025 07:30:36 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
Cc: biju.das.jz@...renesas.com, 
 Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>, 
 Georgi Djakov <djakov@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
 linux-phy@...ts.infradead.org, Magnus Damm <magnus.damm@...il.com>, 
 linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Conor Dooley <conor.dooley@...rochip.com>, 
 Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>, 
 linux-renesas-soc@...r.kernel.org, tomm.merciai@...il.com, 
 Jonathan Cameron <jonathan.cameron@...wei.com>, 
 Mark Brown <broonie@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Guenter Roeck <linux@...ck-us.net>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, devicetree@...r.kernel.org, 
 Arnd Bergmann <arnd@...db.de>, Peter Rosin <peda@...ntia.se>
Subject: Re: [PATCH v5 09/22] dt-bindings: phy: renesas,usb2-phy: Document
 mux-states property


On Thu, 27 Nov 2025 12:48:36 +0100, Tommaso Merciai wrote:
> Some Renesas SoCs, such as RZ/G3E, provide a USB2.0 OTG PHY with
> configurable VBUS control through a multiplexed hardware register.
> This register allows selecting the VBUS source via a mux control
> line exposed by the PHY.
> 
> To represent this hardware configuration, support the standard
> `mux-states` property in the Renesas USB2 PHY binding.
> This allows the DeviceTree to model the VBUS source selection as
> a mux, consistent with generic binding conventions.
> 
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
> ---
> v4->v5:
>  - No changes.
> 
> v3->v4:
>  - Collected CDooley tag.
> 
> v2->v3:
>  - Improved commit body.
>  - Improved mux-states description.
> 
> v1->v2:
>  - New patch
> 
>  Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:


doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/5c5a85eb777f327e659cb3a969ebed8531c05a26.1764241212.git.tommaso.merciai.xr@bp.renesas.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.