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

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Message-Id: <DD6BOLBXKBYP.2NVXRXGJ9W3IG@linaro.org>
Date: Tue, 30 Sep 2025 18:48:48 +0100
From: "Alexey Klimov" <alexey.klimov@...aro.org>
To: "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>, "Prasad Kumpatla"
 <prasad.kumpatla@....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 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.

Best regards,
Alexey