linux-kernel - Re: [PATCH 2/4] dt-bindings: pinctrl: sunxi: Allow pinmux sub-pattern with leading numbers

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Message-ID: <176739251233.279904.10109675432814007356.robh@kernel.org>
Date: Fri, 2 Jan 2026 16:21:52 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Chen-Yu Tsai <wens@...nel.org>
Cc: linux-gpio@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Jernej Skrabec <jernej@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Samuel Holland <samuel@...lland.org>, linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	linux-sunxi@...ts.linux.dev, linux-media@...r.kernel.org,
	Linus Walleij <linusw@...nel.org>
Subject: Re: [PATCH 2/4] dt-bindings: pinctrl: sunxi: Allow pinmux
 sub-pattern with leading numbers


On Thu, 25 Dec 2025 18:36:13 +0800, Chen-Yu Tsai wrote:
> The pattern for pinmux node names is typically the peripheral name and
> instance number, followed by pingroup name if there are multiple options.
> 
> Normally the instance number is directly appended to the peripheral
> name, like "mmc0" or "i2c2". But if the peripheral name ends with a
> number, then it becomes confusing.
> 
> On the A20, the PS2 interface controller has two instances. This
> produces pinmux node names like "ps2-0-pins". Make the sub-pattern
> "[0-9]-" valid to fit this pattern. Avoid having to confusing "ps20-pins"
> name.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...nel.org>
> ---
>  .../bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml           | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Acked-by: Rob Herring (Arm) <robh@...nel.org>