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 C45E9261594; Tue, 11 Feb 2025 19:10:35 +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=1739301035; cv=none; b=l6mYJeijR/H1O25AkLPtcVEfCXum1pQ04Kgf0w1IUAvghsDAuyrtxcYPI6jWazNzkz+FBqZcv3oQUeMcEvvx3XEB/tyTcWchDOQ8+9bBvaxBtquNiWa3HbvB1yn7X4ssUoouteZ34cD2QYZ60deGFDBfNH89oi14CCMvSg8LhKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739301035; c=relaxed/simple; bh=iqjbkB0UJnMpdI19H+Eiv1Wx7DSAC8Vkj2FgGAvH/04=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LrVrteprAg3kXTzUlM2e9EmE4wim9rq9rTAf/tpmO9jE1Xzo1Z65G/+l6R/C6BFwJf8U5PMz4sdj4ipUL0ePVDqL+oY+C8wZBs/P01cIdP2I/VVSY9RK0enIW9YyJ9QNJYrTnEWtdTkD5JU6uZ8fywnKXzkhSMmGf2A5ap64Ypg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DekO0SRW; 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="DekO0SRW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95CF1C4CEDD; Tue, 11 Feb 2025 19:10:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739301035; bh=iqjbkB0UJnMpdI19H+Eiv1Wx7DSAC8Vkj2FgGAvH/04=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DekO0SRWn7UDJlf/VuCR7Z5GjYSFtcInyCdXCo3qB0jdxbL5NgIDjJ1My5i8P/ECP TpKO6LrdpgXeVOOyXajkGWpNE5QukU5YVmHCKxlU5vdDoTYBucn5tpHly0Lbtjl6nW z4RS4l2uG320y7mshku7LCyFEZIwvbyhHup42+JGi7eeMql9x12VcAJ+uGDBmFATiV yJdzMDKLOUVvvppljJo47xWwWhdJiETODfyPyo68Lwh8nqlSbR5gYWo886dUeLtAlc uzOtvjIxThcuCHGBBlMz5d3KutNJsa5SOopg5PfTrK+mF7jgQOSnIc/huNnX5mNejC ZqO6uO2YSVmcQ== Message-ID: Date: Tue, 11 Feb 2025 20:10:28 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: leds: Allow differently named multicolor leds To: =?UTF-8?Q?J=2E_Neusch=C3=A4fer?= , Lee Jones Cc: Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Davis , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250209-multi-led-v1-1-5aebccbd2db7@posteo.net> <20250211144300.GW1868108@google.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 11/02/2025 19:50, J. Neuschäfer wrote: > On Tue, Feb 11, 2025 at 02:43:00PM +0000, Lee Jones wrote: >> On Sun, 09 Feb 2025, J. Neuschäfer via B4 Relay wrote: >> >>> From: "J. Neuschäfer" >>> >>> In some cases, a board may have multiple multi-leds, which can't be >>> distinguished by unit address. In such cases it should be possible to >>> name them differently, for example multi-led-a and multi-led-b. >>> This patch adds another node name pattern to leds-class-multicolor.yaml >>> to allow such names. >> >> Which H/W needs this? Is it upstream? Where is the doc / usage? > > I encountered this situation while upstreaming the LANCOM NWAPP2 board, > which has multiple LED-group-based multicolor LEDs: > > https://lore.kernel.org/lkml/20250102-mpc83xx-v1-16-86f78ba2a7af@posteo.net/ Which LEDs are these? I don't see multi-led there node name at all. This patch must come with user. It's fine to send the user separately, but please provide lore link to exact user. Otherwise what certainty we have that this change is needed in the first place? > > Since they are based on leds-group-multicolor, they don't have a unit > address, but there is more than one on the same level (as direct > sub-nodes of the DT root node). Which binding is this? Best regards, Krzysztof