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Fri, 31 Jul 2026 22:59:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A72EA1F00AC4; Fri, 31 Jul 2026 22:59:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785538770; bh=MfyPXuzHFrgeP1BY9ER7yd6RDg+vnAlA5a1UueZqk9w=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=bS9G3Tec/7Iy9FTjR8vc35fepxYxeZolPIHJV02pj2ppUGeoTRKcFKKGhRbqiSXew HsOvWKZBgUpMdQ/eyCcedegXjjYiRJwoWtzh61y7pDRek2U2DCufuxMLjYuCaDsRD/ BPreSUDR6nrs8I/HbLH1ojemW4lQ3rlq1E/EpeW3aylLWZ/blntGAjantnwPuabuGd GnBywAxhFeSOEeLz0MQySmdvT6qj4wfTxvDMR3vjK7GAyVSDUjaVtaKu6j+txfsZTq EXoV9Rp/xNnSavV7kTsyHEVeIOUyVSX6W5j+3+zd5YL0q3iFt3WaFGvMJk/gFCOxNK sWLwJX8xX0c0w== Date: Fri, 31 Jul 2026 17:59:30 -0500 From: Rob Herring To: shengjiu.wang@oss.nxp.com Cc: lgirdwood@gmail.com, broonie@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 1/4] dt-bindings: sound: fsl,imx-asrc: update port binding to support multiple pairs Message-ID: <20260731225930.GA2098187-robh@kernel.org> References: <20260720095450.1618747-1-shengjiu.wang@oss.nxp.com> <20260720095450.1618747-2-shengjiu.wang@oss.nxp.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260720095450.1618747-2-shengjiu.wang@oss.nxp.com> On Mon, Jul 20, 2026 at 05:54:47PM +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 the individual pair endpoints. > > Add a ports container that enumerates three named sub-ports: > port@0 -- pair A > port@1 -- pair B > port@2 -- pair C > > Each sub-port references audio-graph-port.yaml as before. > > 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. Update the examples to > show both the new ports form and the deprecated port 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. > > Signed-off-by: Shengjiu Wang > --- > .../bindings/sound/fsl,imx-asrc.yaml | 78 +++++++++++++++++++ > 1 file changed, 78 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml b/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > index 608defc93c1e..18d252722aa8 100644 > --- a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > +++ b/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml > @@ -78,9 +78,29 @@ properties: > power-domains: > maxItems: 1 > > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + properties: > + port@0: > + $ref: audio-graph-port.yaml# > + unevaluatedProperties: false > + description: port for pair A > + > + port@1: > + $ref: audio-graph-port.yaml# > + unevaluatedProperties: false > + description: port for pair B > + > + port@2: > + $ref: audio-graph-port.yaml# > + unevaluatedProperties: false > + description: port for pair C > + > port: > $ref: audio-graph-port.yaml# > unevaluatedProperties: false > + deprecated: true > + description: deprecated, use ports instead > > fsl,asrc-rate: > $ref: /schemas/types.yaml#/definitions/uint32 > @@ -125,6 +145,10 @@ required: > - fsl,asrc-width > > allOf: > + - not: > + required: > + - port > + - ports > - $ref: dai-common.yaml# > - if: > properties: > @@ -188,3 +212,57 @@ examples: > }; > }; > }; > + > + - | > + #include > + #include > + asrc1: asrc@2034000 { Drop unused label. Presumably the existing example uses the deprecated 'port'. If so, just modify it to use ports and drop the deprecated part. Rob