linux-kernel - Re: [PATCH v7] dt-bindings: net: mediatek,mt7925-bluetooth.yaml

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Message-Id: <175708448180.930634.147702031291534747.robh@kernel.org>
Date: Fri, 05 Sep 2025 10:02:57 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Zhangchao Zhang <ot_zhangchao.zhang@...iatek.com>
Cc: Chris Lu <chris.lu@...iatek.com>, 
 linux-mediatek <linux-mediatek@...ts.infradead.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Sean Wang <sean.wang@...iatek.com>, Marcel Holtmann <marcel@...tmann.org>, 
 Jiande Lu <jiande.lu@...iatek.com>, 
 linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, 
 linux-bluetooth <linux-bluetooth@...r.kernel.org>, 
 linux-kernel <linux-kernel@...r.kernel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Hao Qin <Hao.qin@...iatek.com>, 
 Luiz Von Dentz <luiz.dentz@...il.com>, 
 devicetree <devicetree@...r.kernel.org>, Deren Wu <deren.Wu@...iatek.com>
Subject: Re: [PATCH v7] dt-bindings: net: mediatek,mt7925-bluetooth.yaml


On Fri, 05 Sep 2025 16:44:33 +0800, Zhangchao Zhang wrote:
> Reset BT via BT_KILL_1V2_L hardware pin.
> 
> On the M.2 standard hardware pin interface, the MTK chip
> has a pin called BT_KILL_1V2_L or W_DISABLE#2, it uses
> function-level device reset (FLDR) to reset Bluetooth.
> When it is pulled low, it can external shut down the BT
> function, it is defined as 5 on the MT7925 chip, and is
> defined as 248 on the device tree pio controller.
> 
> Signed-off-by: Zhangchao Zhang <ot_zhangchao.zhang@...iatek.com>
> ---
>  .../bluetooth/mediatek,mt7925-bluetooth.yaml  | 47 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 48 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7925-bluetooth.yaml
> 

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

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7925-bluetooth.example.dtb: bluetooth (mediatek,mt7925-bluetooth): Unevaluated properties are not allowed ('#gpio-cells' was unexpected)
	from schema $id: http://devicetree.org/schemas/net/bluetooth/mediatek,mt7925-bluetooth.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250905084433.26999-1-ot_zhangchao.zhang@mediatek.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.