linux-kernel - Re: [PATCH 00/20] arm64: dts: qcom: Introduce Kaanapali platform device tree

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Message-ID: <58a69bdd-f26e-4cc2-bbe2-6e9d5bb69aa0@oss.qualcomm.com>
Date: Fri, 3 Oct 2025 14:39:54 +0530
From: Prasad Kumpatla <prasad.kumpatla@....qualcomm.com>
To: Alexey Klimov <alexey.klimov@...aro.org>,
        Jingyi Wang <jingyi.wang@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com,
        Tengfei Fan <tengfei.fan@....qualcomm.com>,
        Qiang Yu <qiang.yu@....qualcomm.com>,
        Manish Pandey <manish.pandey@....qualcomm.com>,
        Ronak Raheja <ronak.raheja@....qualcomm.com>,
        Jishnu Prakash <jishnu.prakash@....qualcomm.com>,
        Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>,
        Jyothi Kumar Seerapu <jyothi.seerapu@....qualcomm.com>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        Vikash Garodia <vikash.garodia@....qualcomm.com>
Subject: Re: [PATCH 00/20] arm64: dts: qcom: Introduce Kaanapali platform
 device tree


On 9/30/2025 11:18 PM, Alexey Klimov wrote:
> On Thu Sep 25, 2025 at 1:17 AM BST, Jingyi Wang wrote:
>> Introduce the Device Tree for the recently announced Snapdragon SoC from Qualcomm:
>> https://www.qualcomm.com/products/mobile/snapdragon/smartphones/snapdragon-8-series-mobile-platforms/snapdragon-8-elite-gen-5
>>
>> Bindings and base Device Tree for the Kaanapali SoC, MTP (Mobile Test Platform)
>> and QRD (Qualcommm Reference Device) are splited in three:
>>
>> - 1-3: MTP board boot-to-shell with basic function.
>> - 4-16: More feature including PCIE, sdcard, usb, DSPs, PMIC related, tsense, bus, crypto etc. Add QRD board support.
>> - 17-20: Multimedia features including audio, video and camss.
>>
>> Features added and enabled:
>> - CPUs with PSCI idle states and cpufreq
>> - Interrupt-controller with PDC wakeup support
>> - Timers, TCSR Clock Controllers
>> - Reserved Shared memory
>> - GCC and RPMHCC
>> - TLMM
>> - Interconnect with CPU BWMONs
>> - QuP with uart
>> - SMMU
>> - RPMHPD and regulator
>> - UFS with inline crypto engine (ICE)
>> - LLCC
>> - Watchdog
>> - cDSP, aDSP with SMP2P and fastrpc
>> - BUS with I2C and SPI
>> - USB2/USB3
>> - Modem(see crash after bring up)
>> - SoCCP
>> - SDHCI
>> - random number generator (RNG) and Qcrypto
>> - tsens
>> - PCIE
>> - coresight
>> - Bluetooth
>> - WLAN
>> - Audio
> Were everything described as audio enabled and tested? As far as I was aware
> some devices required some soundwire rework to support soundwire microphones.
> Is it finished? I don't see this linked here, but you state that audio
> features "added and enabled".
>
> Do we understand this correctly that, I presume, everthing that is more-or-less compatible
> with previous platforms were added and enabled (with renames) but not _all_ ?
>
> Probably some rewording is required.

No, As outlined in the commit message, validation was performed on the 
Kaanapali-MTP platform having
WSA8845 and On board Microphones(Mic Bias supply from WCD939x) , and 
there is no SoundWire
microphones support on this MTP platform.

Thanks,
Prasad

>
> Best regards,
> Alexey
>