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

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Message-ID: <5adde3cd-8609-491e-8b85-8a3316f6e0fa@oss.qualcomm.com>
Date: Tue, 14 Oct 2025 14:09:53 +0800
From: Jingyi Wang <jingyi.wang@....qualcomm.com>
To: Alexey Klimov <alexey.klimov@...aro.org>,
        Prasad Kumpatla <prasad.kumpatla@....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 10/4/2025 12:35 AM, Alexey Klimov wrote:
> On Fri Oct 3, 2025 at 10:09 AM BST, Prasad Kumpatla wrote:
>>
>> 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.
> 
> No, the email here clearly says both MTP and QRD and then that audio
> is enabled. That's why is should be clarified otherwise it misleads
> that audio is enabled on all platforms/devices including missing
> features.
> 
> Best regards,
> Alexey

Will make the msg more clear in the cover letter for next version.

Thanks,
Jingyi