From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2068AC5AC82 for ; Mon, 10 Aug 2026 07:12:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=COaUeTCLiC6/x/enOdcDm7m3J3BQbpu2C+HiphZ+rII=; b=jzGY3oMxGm5v9RqPX64jjTE1dH VqgtAmip2ZsRcNPwnagrvvs7IobrRKKSGx1tVmSB1qeeQwexSou7XWo+YdhAXzQibEWo+bIgz+DDA pMm6cWJwN22sYnQoq13+5OH67k5ONu5l2dBfB2zrQ4h7DC+C2pF34mOHasBxXvfMWtJcC3b+aZx4Q WvLjdVjoeA7dquGAAAKncB1lZ0bD4IqQhOxDq5oTk9ABB6AwfrYC70d9oRn9tMmDcp2wV7D48i64P 7kW6omIZjDBpeDElACGLycA9zVs0YtttC34ldupxdGKBTuky48Z99V+dqsPNW2QW3kev5ldXYJNqU B4ttFY0A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtKBN-0000000BB6M-2eVC; Mon, 10 Aug 2026 07:12:25 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtKBM-0000000BB5z-2Yup for linux-arm-kernel@lists.infradead.org; Mon, 10 Aug 2026 07:12:24 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id A902360120; Mon, 10 Aug 2026 07:12:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C81821F000E9; Mon, 10 Aug 2026 07:12:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786345943; bh=COaUeTCLiC6/x/enOdcDm7m3J3BQbpu2C+HiphZ+rII=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=VUqmyhbfMBOS1FXtoKdFP+hMikiAiRZebva27LL+5ide3tHHtTYOaz/xuo9YdJPr+ yJkLroRSTobte/93yBnmsugwgHF3OzGCZVAIAEIfub5qJJGzwe8OH+z01ym8JW6wiQ 5jx4ZgLMdIPEHKQXm/AxjrsWvQLubsjqFiE16VyODK4VrMdmfOXOuhTnicHhOXVqi/ nIUM6ZObJhU+KTiw5D8pQHsELpQL9+4zAaaw+4JGPGpdm6Bdtdpa6178a/tLpXwOWn mfdUPkDdALWesk3UNN8aZToizZEO0/3lAqu7aKZ8HNhrFyhHHnbxk4eT2yWpYuj6he GrwUXWKMoEHPA== Date: Mon, 10 Aug 2026 09:12:20 +0200 From: Krzysztof Kozlowski 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 Subject: Re: [PATCH v3 1/5] ASoC: dt-bindings: fsl,imx-asrc: update port binding to support multiple paths Message-ID: <20260810-magic-olive-gecko-5e8a36@quoll> References: <20260804100218.49587-1-shengjiu.wang@oss.nxp.com> <20260804100218.49587-2-shengjiu.wang@oss.nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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? Best regards, Krzysztof