From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DBCA2441057; Tue, 20 Jan 2026 14:31:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768919478; cv=none; b=KF66sZMpPjLbn74MkXarhukwdmNRjEosTqSBkVXyYxrwia7MBxDmu/EPQKm7QS1OScasBTffX3XUSCeZ0Po/MqqqtUwcmw281kw3siW62s+AsH11ouVznpkBUqIL7fEQHHQ2Ts10pfJJ13ZZJ8spg7QJVZiBvLx74wpmlVMqm8U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768919478; c=relaxed/simple; bh=s85xFP9uAEf5v/tpfUOiZujjKSHqwCqldvU+qcb0zC4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DXJXQLUO2p2aqWTppByp/KSt8L+uMRqQFtrHw5KhmmQyheGe182H1DDe/UqIomCwXRMGltjKj6TAO9uRsGNdBkyTaSfYj1p9vJH+3UM3C6/qGBF6/1Oo3Sl5Opz16e+aeoI7kk6at3sB3ezEnoLt3jCONYxeiAEeYaUoUSrH6d4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IFNIWqHD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IFNIWqHD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7630EC16AAE; Tue, 20 Jan 2026 14:31:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768919477; bh=s85xFP9uAEf5v/tpfUOiZujjKSHqwCqldvU+qcb0zC4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=IFNIWqHD7tB96iUwcJdHS4wPuLhuyY1E+8TII0MbXb45WksfpHmEvuraXycep1H+X 2JR31o+qFX0qwaolAMUXMhFQgxCYqKFkYWQOiAg+QV0jpcLtYNq5c7GyJNb6zF/pwn siAJbMRwrYQY9A0iNpKUQt2/GPOR7IZUSw+IHsH0lyEp3LFGiopgRRRwHFZrZPZgXB BeDHkcJia7F+VtkI9f4ze9ywgKB3wfKmrV5HRxWX8bSoCsfw3Pq5hoYaCjOOMHTm9h cpO3vrfTE6WWEFK4fjh8ugTv30nA+k2/UWurldZjvWvp7aM8FUGljFITknZsepX8mj B4X17ybFNIFjg== Message-ID: <3f3c47ea-1660-4bd4-ab89-3bdf58217995@kernel.org> Date: Tue, 20 Jan 2026 15:31:12 +0100 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] dt-bindings: backlight: gpio-backlight: allow multiple GPIOs To: Sudarshan Shetty , lee@kernel.org, danielt@kernel.org, jingoohan1@gmail.com Cc: deller@gmx.de, pavel@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260120125036.2203995-1-tessolveupstream@gmail.com> <20260120125036.2203995-2-tessolveupstream@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/01/2026 13:50, Sudarshan Shetty wrote: > Update the gpio-backlight binding to support configurations that require > more than one GPIO for enabling/disabling the backlight. Why? Which devices need it? How a backlight would have three enable GPIOs? I really do not believe, so you need to write proper hardware justification. > > Signed-off-by: Sudarshan Shetty > --- > .../leds/backlight/gpio-backlight.yaml | 24 +++++++++++++++++-- > 1 file changed, 22 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml > index 584030b6b0b9..4e4a856cbcd7 100644 > --- a/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml > +++ b/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.yaml > @@ -16,8 +16,18 @@ properties: > const: gpio-backlight > > gpios: > - description: The gpio that is used for enabling/disabling the backlight. > - maxItems: 1 > + description: | > + The gpio that is used for enabling/disabling the backlight. > + Multiple GPIOs can be specified for panels that require several > + enable signals. All GPIOs are controlled together. > + type: array There is no such syntax in the bindings, from where did you get it? Type is already defined. items: minItems: 1 maxItems: 3 > + minItems: 1 > + items: > + type: array > + minItems: 3 > + maxItems: 3 > + items: > + type: integer All this is some odd stuff - just to be clear, don't send us LLM output. I don't want to waste my time to review microslop. Was it done with help of Microslop? Best regards, Krzysztof