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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b6da1e2226fsm315808366b.20.2025.10.27.02.39.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Oct 2025 02:39:48 -0700 (PDT) Message-ID: <5ee14d04-c908-445b-a8fc-ec07af267f7f@oss.qualcomm.com> Date: Mon, 27 Oct 2025 10:39:46 +0100 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: Krzysztof Kozlowski , 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> <37b1c3e3-5a33-4d6c-b053-525bfd0583da@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <37b1c3e3-5a33-4d6c-b053-525bfd0583da@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: pJjMPOiIoOvTSN-PHIs8O3zojouJmWqC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI3MDA4OSBTYWx0ZWRfX3JduOSFNyb8C wSbaleL27eNXFsxXDJyNnO2p7sL8EOOeTyvvwXbDIWEDlzEA6wsTet9/jvL4UHjrQ92VXvY0/lF wKvwf0SsBfONYi8xe3PsgxIckEa24GKRPJ6CuqLP5A2w8GgFJPOjOhuTx3wqIjcciJy6P7yXVjg sU5GmSPynRbDbuhEfOYqN022kPZfcgPNLJIUK80Z/3+wOz1i3zcsSk0D8Kh1ghCpEV2ACZ27+v8 J7y2TcsVQvJcNYGmCETFCzCXrpBqwOJQfJc6xCLqxHO/5q9oUk1G2WVCQ2PvINntwMWCVPc+tZp dp/CqFepeSnAEWVTMWcTszVOUbK7X8FoYZ89KxpLaTVd9zwvJC33KQEcy4m296czirYoUWSOZYE tliERXRU8+zDNYBtSPIzea1vDUlYkQ== X-Authority-Analysis: v=2.4 cv=AJoZt3K7 c=1 sm=1 tr=0 ts=68ff3de6 cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=9ytmuLpv0wEfhbutQIwA:9 a=QEXdDO2ut3YA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-ORIG-GUID: pJjMPOiIoOvTSN-PHIs8O3zojouJmWqC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-27_04,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 phishscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510270089 On 10/9/25 1:50 AM, Krzysztof Kozlowski wrote: > 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. I found a schematic for the MTP. The WCD9395 mux is still in place Konrad