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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 79DCEC27C4F for ; Sun, 23 Jun 2024 11:08:47 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=aj7KS6CL; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4W6SyP0S4gz3cX5 for ; Sun, 23 Jun 2024 21:08:45 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=aj7KS6CL; 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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=aj7KS6CLYgjKAVhpExivrjQ98PXJ8c4eFVrJQ0JRTTnW5AnN9PfbPjqYAp3I3szV8 gLeuBUMMTNQqUMqdgM7r+DClmt02oGIWbfzOIE0TNzPYujhQfqHM63IriO142XKuLx 79hf8O22EoKcJAonpkW7VD5ZTZ8GJ2lm+AJr27bpMG+GwnfBHTv5L3K7t4SClRR6wO A2kwqWdXl815dH/x5LGqz0aH15Nkgll4/ECCbywslTtKt9yH5eGYIXojqhlJA4HBFH PrgKNQzr0Oy8KIN4J6dJ2MoZm4+fsPHv5bNZGimj5a/YzLdSuS43+pFqKAskLOkCAd M4G6y6ZfBc43w== Message-ID: <6fcbd97b-4172-48a9-bcdb-3bdf35aba8f7@kernel.org> Date: Sun, 23 Jun 2024 13:07:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv5 6/9] ASoC: dt-bindings: fsl-asoc-card: add compatible string for spdif To: Elinor Montmasson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Russell King , Catalin Marinas , Will Deacon , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Nicolin Chen References: <20240620132511.4291-1-elinor.montmasson@savoirfairelinux.com> <20240620132511.4291-7-elinor.montmasson@savoirfairelinux.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, Philip-Dylan , Pengutronix Kernel Team , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 20/06/2024 15:25, Elinor Montmasson wrote: > The S/PDIF audio card support was merged from imx-spdif into the > fsl-asoc-card driver, making it possible to use an S/PDIF with an ASRC. > Add the new compatible and update properties. Please use standard email subjects, so with the PATCH keyword in the title. `git format-patch -v5` helps here to create proper versioned patches. Another useful tool is b4. > > Signed-off-by: Elinor Montmasson > --- > .../bindings/sound/fsl-asoc-card.yaml | 30 ++++++++++++++++--- > 1 file changed, 26 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml b/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml > index 9922664d5ccc..f2e28b32808e 100644 > --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml > +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.yaml > @@ -33,6 +33,7 @@ properties: > - items: > - enum: > - fsl,imx-sgtl5000 > + - fsl,imx-sabreauto-spdif > - fsl,imx25-pdk-sgtl5000 > - fsl,imx53-cpuvo-sgtl5000 > - fsl,imx51-babbage-sgtl5000 > @@ -54,6 +55,7 @@ properties: > - fsl,imx6q-ventana-sgtl5000 > - fsl,imx6sl-evk-wm8962 > - fsl,imx6sx-sdb-mqs > + - fsl,imx6sx-sdb-spdif > - fsl,imx6sx-sdb-wm8962 > - fsl,imx7d-evk-wm8960 > - karo,tx53-audio-sgtl5000 > @@ -65,6 +67,7 @@ properties: > - fsl,imx-audio-sgtl5000 > - fsl,imx-audio-wm8960 > - fsl,imx-audio-wm8962 > + - fsl,imx-audio-spdif This does not look right. It's quite generic, so now you allow any variant to be used with this fallback. Please do not grow more this list of all possible combinations and instead add specific lists. Otherwise, please explain why this is valid hardware: "fsl,imx7d-evk-wm8960", "fsl,imx-audio-spdif" > - items: > - enum: > - fsl,imx-audio-ac97 > @@ -81,6 +84,7 @@ properties: > - fsl,imx-audio-wm8960 > - fsl,imx-audio-wm8962 > - fsl,imx-audio-wm8958 > + - fsl,imx-audio-spdif Fallbacks should not be used alone. Why this is needed? The compatible is already documented, so now you create duplicated binding. This is very confusing. > > model: > $ref: /schemas/types.yaml#/definitions/string > @@ -93,8 +97,15 @@ properties: > need to add ASRC support via DPCM. > > audio-codec: > - $ref: /schemas/types.yaml#/definitions/phandle > - description: The phandle of an audio codec > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: | > + The phandle of an audio codec. > + With "fsl,imx-audio-spdif", either SPDIF audio codec spdif_transmitter, > + spdif_receiver or both. > + minItems: 1 > + maxItems: 2 > + items: > + maxItems: 1 > > audio-cpu: > $ref: /schemas/types.yaml#/definitions/phandle > @@ -150,8 +161,10 @@ properties: > description: dai-link uses bit clock inversion. > > mclk-id: > - $ref: /schemas/types.yaml#/definitions/uint32 > - description: main clock id, specific for each card configuration. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + description: Main clock id for each codec, specific for each card configuration. > + minItems: 1 > + maxItems: 2 > > mux-int-port: > $ref: /schemas/types.yaml#/definitions/uint32 > @@ -195,3 +208,12 @@ examples: > "AIN2L", "Line In Jack", > "AIN2R", "Line In Jack"; > }; > + > + - | > + sound-spdif-asrc { > + compatible = "fsl,imx-audio-spdif"; > + model = "spdif-asrc-audio"; > + audio-cpu = <&spdif>; > + audio-asrc = <&easrc>; > + audio-codec = <&spdifdit>, <&spdifdir>; > + }; Do not introduce another indentation style. Look what is above. Best regards, Krzysztof