From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 962E637AA64; Tue, 11 Aug 2026 05:44:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786427059; cv=none; b=dna/A7DZc0YFgsAtfQVEVZXHNIETPbU5YsAcuOvvaKHo6KbeSp9cjSJNbgJ9vFSK89Jsv02D/sDJvfs7uuRKGZomYG28OVR7+NA/wbbyEtbcNMyEbOZ90y545VJLAZPqDJGH5dQXAvJWDIvgjlHIjdu3RsBURTQ2tBjSVHAHSp4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786427059; c=relaxed/simple; bh=97yy3ydI6y4dlWve6g1ByLxygnDJ7Te37wYwFW0tPSM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=S8gPdoSTxQ6xAwFJbVdghPqPNu6c6rxLAbA5W2hLUZ1O24x+dHH/OmCrJW8pxxqw3EPgz31ODPVeCHxBnUkv/rDq0JB+gnF0PsaGq9dHzG8CZ68jRfetWy3CH8zzjOqUVIc3WwRYKad2b0MfMqk7Kg9ALekR+LmtHI+K+VBmcAE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JQFm3fgr; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JQFm3fgr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F5C01F000E9; Tue, 11 Aug 2026 05:44:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786427058; bh=N7P4L5tJ88+N+LleowMyQZT4Dw0kQrcA98X8789RllA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=JQFm3fgrJsbXaRc84rFczQxh8b+Sx1F2AXFckHiiDHGDpipU6Fz+dUsxfJC7ZyZX6 y34AELS4FEDBUDkBVBe9dAkdJzXTjLdHGmzxJFlmnkdlKFsw2ylnT0jLeU/S3DqzGs PCz0mcG+RoEsmAlkbtcZnfWutDcmIIYWhgQrL92uzwfI8SNKzk557fhNz6m88ewjhV vQqTZ5Sox6RrLTBoMYmmxhnrb7QyXD1jnuZn6x2fMcf+7+/meSjQw+vA6ZV+pzwBe4 wijEGIuqT4EOCeSJ0jCvNNIFTteR6YsfCzWyIEYksPYDfdDVLwjKHT4i1DT7a0yH5W v9llI3c+BpFdg== Message-ID: <371f3842-1d01-4e57-86b8-04bf1a0dd53f@kernel.org> Date: Tue, 11 Aug 2026 07:44:08 +0200 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 v3 1/5] ASoC: dt-bindings: fsl,imx-asrc: update port binding to support multiple paths To: Frank Li Cc: shengjiu.wang@oss.nxp.com, lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, shawnguo@kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, nicoleotsuka@gmail.com, perex@perex.cz, tiwai@suse.com, linuxppc-dev@lists.ozlabs.org, Shengjiu Wang References: <20260804100218.49587-1-shengjiu.wang@oss.nxp.com> <20260804100218.49587-2-shengjiu.wang@oss.nxp.com> <20260810-magic-olive-gecko-5e8a36@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/08/2026 21:07, Frank Li wrote: > On Mon, Aug 10, 2026 at 09:12:20AM +0200, Krzysztof Kozlowski wrote: >> On Tue, Aug 04, 2026 at 09:39:07AM -0500, Frank Li wrote: >>> On Tue, Aug 04, 2026 at 06:02:14PM +0800, shengjiu.wang@oss.nxp.com wrote: >>>> From: Shengjiu Wang >>>> >>>> The i.MX ASRC hardware supports up to three conversion pairs (A, B, C). >>>> The existing binding exposed only a single generic audio-graph port, >>>> which cannot represent independent conversion paths when multiple pairs >>>> are in use simultaneously. >>>> >>>> Add a ports container that enumerates up to three sub-ports, each >>>> representing an independent conversion path: >>>> port@0 -- conversion path 0 >>>> port@1 -- conversion path 1 >>>> port@2 -- conversion path 2 >>>> >>>> Each sub-port references audio-graph-port.yaml as before. Hardware pairs >>>> are allocated dynamically at stream open time; each active stream >>>> direction (playback or capture) on a port consumes one hardware pair. >>>> >>>> For backwards compatibility, keep the old single port property but mark >>>> it deprecated. A schema constraint (not: required: [port, ports]) ensures >>>> that both forms cannot be used at the same time. The binding example is >>>> updated to show the preferred ports form. >>>> >>>> No existing upstream DTS file for fsl,imx-asrc uses the previously >>>> documented single 'port' node, so this change does not break any >>>> in-tree device tree. >>> >>> if no existing upstream DTS file use it, you can direct replace with ports >> >> And what about all other users of this binding? > > Kernel is that only known user. Uboot don't use this part. So other kernels will get broken? Best regards, Krzysztof