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 47A7A204F8B; Wed, 8 Oct 2025 23:50:40 +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=1759967441; cv=none; b=WnJLf8d99pAaI70oeNWHw32a17t/F3Gf0ZR19ZKTjpu0nffShcYHNNkpKykteuoIaR1miz4nXEF66mI2+eN5UGVvg7fjX3xD2foUi7BI3R7hlUHPKUL6DXJhyZ8B0tf9u9DP7Oz+RC8tpz9QQNzXMXeGTm4LJ6wtV/FbIZfbMsQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759967441; c=relaxed/simple; bh=0F7EVF2q03JwQ5MskfHSb130w66z/fAnAFID4HZBRsM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cbSoBWy1bZAdjiRPKerSGJA0r3MkI2mnxnnSyudldgm2XcIXY+k7nHKv+hrSSxb9eM/NSiDBllh3ku0VKULrx8BcSfnFwBZkDvKn96td9dD2xPE47zdBfNU7nn7iid6Ss9WZGUINbLXBlX6ZcdqPOyIRk9KlOJCitBkgjPkhI64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K1N4ypl9; 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="K1N4ypl9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 989F1C4CEE7; Wed, 8 Oct 2025 23:50:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759967440; bh=0F7EVF2q03JwQ5MskfHSb130w66z/fAnAFID4HZBRsM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=K1N4ypl9hSdEysxESHnZ5NtJZkikWGHbR9V/jyu/VyKrDJEQ3C/iyZEKgdtxEfIGU wuRxhX649u4EDtWu1C2tKU1sR1BPYvrFpj4g2wFlSPGkMXW3UVJ5svqrdSyOlmD95Y 0Z15N6DdthpqcJkuJkzNc+r4rIMQrpDeGIRInJ81AR5l2n3rTKGCJT4pKe9iQQHGfz Ay15XDY4NGE77N22MVophXTE3PDk+twvgsfub+DtxCCSeRQhW2gYGwoYd6DpaWQU4q febo+nQtBP5VbFIAyR0xrMlcC3QsNh/WDOZlwnda81qK+F5+/uRYvTGLEbIFSQaEVa ueHHJGVkJxv0w== Message-ID: <37b1c3e3-5a33-4d6c-b053-525bfd0583da@kernel.org> Date: Thu, 9 Oct 2025 08:50:30 +0900 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 18/20] arm64: dts: qcom: kaanapali-mtp: Add audio support (WSA8845, WCD9395, DMIC) To: Konrad Dybcio , Prasad Kumpatla , Jingyi Wang Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com References: <20250924-knp-dts-v1-0-3fdbc4b9e1b1@oss.qualcomm.com> <20250924-knp-dts-v1-18-3fdbc4b9e1b1@oss.qualcomm.com> <51637d37-aa5e-492a-851c-e5d6bfbe421e@oss.qualcomm.com> <43ba93bd-0dba-415b-8a7e-cdc4d954f79d@kernel.org> <392d2e9a-dc31-4916-ab8a-680b2ec4dca5@oss.qualcomm.com> <19639c5e-7aa8-4e75-812d-93d805802cd3@kernel.org> <7ef31348-78ca-4abc-9eaf-5041e2e6be82@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/10/2025 20:30, Konrad Dybcio wrote: > On 10/8/25 12:51 PM, Krzysztof Kozlowski wrote: >> On 08/10/2025 19:20, Konrad Dybcio wrote: >>> On 10/6/25 10:48 AM, Krzysztof Kozlowski wrote: >>>> On 30/09/2025 21:06, Prasad Kumpatla wrote: >>>>> >>>>> On 9/25/2025 6:56 PM, Krzysztof Kozlowski wrote: >>>>>> On Thu, 25 Sept 2025 at 09:18, Jingyi Wang wrote: >>>>>>> From: Prasad Kumpatla >>>>>>> >>>>>>> Add support for audio on the Kaanapali MTP platform by introducing device >>>>>>> tree nodes for WSA8845 smart speaker amplifier for playback, DMIC >>>>>>> microphone for capture, and sound card routing. The WCD9395 codec is add >>>>>>> to supply MIC-BIAS, for enabling onboard microphone capture. >>>>>>> >>>>>>> Signed-off-by: Prasad Kumpatla >>>>>>> Signed-off-by: Jingyi Wang >>>>>>> --- >>>>>>> arch/arm64/boot/dts/qcom/kaanapali-mtp.dts | 226 +++++++++++++++++++++++++++++ >>>>>>> 1 file changed, 226 insertions(+) >>>>>>> >>>>>> Audio is not a separate feature from USB. >>>>> >>>>> I didn't understand this, Could you please help me to provide more >>>>> context on it? >>>>> Is this regarding Audio over Type-c? >>>> >>>> USB depends on ADSP, so your split of patches into separate audio commit >>>> is just incorrect. >>> >>> No, this is no longer the case on Kaanapali. >>> >>> PMIC_GLINK is now served by the SoCCP rproc >> >> Hm, ok.... so there is no WCD93xx USB mux anymore? > > I see there's a WCD9395 onboard which has that hw block > > I'll try to find some schematics to confirm.. I think I was checking this some time ago and design was the same as in SM8750 and SM8650, so with WCD9395 USB mux. You could argue that WCD9395 WCD mux has separate interface than audio part, but it is still the same device, thus that is why I think USB and audio are still related. Best regards, Krzysztof