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Message-Id: <DD8U00VMC4P1.1P4RGHGOLO92J@linaro.org>
Date: Fri, 03 Oct 2025 17:35:24 +0100
From: "Alexey Klimov" <alexey.klimov@...aro.org>
To: "Prasad Kumpatla" <prasad.kumpatla@....qualcomm.com>, "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 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
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