linux-kernel - Re: [PATCH v6 1/8] dt-bindings: pinctrl: mediatek,mt6779-pinctrl: Pull pinctrl node changes from MT6795 document

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Message-ID: <20241011165640.GA2475122-robh@kernel.org>
Date: Fri, 11 Oct 2024 11:56:40 -0500
From: Rob Herring <robh@...nel.org>
To: Yassine Oudjana <yassine.oudjana@...il.com>
Cc: Sean Wang <sean.wang@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Yassine Oudjana <y.oudjana@...tonmail.com>,
	Andy Teng <andy.teng@...iatek.com>,
	linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6 1/8] dt-bindings: pinctrl: mediatek,mt6779-pinctrl:
 Pull pinctrl node changes from MT6795 document

On Fri, Oct 11, 2024 at 03:03:46PM +0300, Yassine Oudjana wrote:
> From: Yassine Oudjana <y.oudjana@...tonmail.com>
> 
> mediatek,pinctrl-mt6795.yaml has different node name patterns which match
> bindings of other MediaTek pin controllers, ref for pinmux-node.yaml which
> has a description of the pinmux property, as well as some additional
> descriptions for some pin configuration properties. Pull those changes
> into mediatek,mt6779-pinctrl.yaml and adjust the example DTS to match in
> preparation to combine the MT6795 document into it.
> 
> Signed-off-by: Yassine Oudjana <y.oudjana@...tonmail.com>
> ---
>  .../pinctrl/mediatek,mt6779-pinctrl.yaml      | 38 ++++++++++++++-----
>  1 file changed, 28 insertions(+), 10 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> index 3bbc00df5548d..352a88d7b135e 100644
> --- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> @@ -111,12 +111,12 @@ allOf:
>          - "#interrupt-cells"
>  
>  patternProperties:
> -  '-[0-9]*$':
> +  '-pins$':

Worst case, this could be an ABI break. Best case, it's churn for 
mt6779. Is it worth unifying?

Rob