linux-kernel - Re: [PATCH 14/20] arm64: dts: qcom: kaanapali-mtp: Enable more features

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Message-ID: <60c65d7c-1564-40a1-830b-1c9931776fb7@oss.qualcomm.com>
Date: Fri, 26 Sep 2025 02:11:16 -0700
From: Ronak Raheja <ronak.raheja@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Jingyi Wang <jingyi.wang@....qualcomm.com>
Cc: 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>, 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
Subject: Re: [PATCH 14/20] arm64: dts: qcom: kaanapali-mtp: Enable more
 features


On 9/24/2025 7:09 PM, Dmitry Baryshkov wrote:
> On Wed, Sep 24, 2025 at 05:17:31PM -0700, Jingyi Wang wrote:
>> Enable more features on Kaanapali MTP boards including PMIC peripherals,
>> bus, SDHCI, remoteprocs, USB, PCIE, WLAN and Bluetooth.
>>
>> Written with help from Jyothi Kumar Seerapu(added bus), Ronak Raheja
>> (added USB), Manish Pandey(added SDHCI), Jishnu Prakash(added PMIC),
>> Qiang Yu(added PCIE), Yijie Yang(Added WLAN) and Zijun Hu(Added Bluetooth).
>>
>> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
>> ---

[...]

>> +&usb_1 {
>> +	dr_mode = "peripheral";
> 
> Is it really peripheral-only?
> 

For this initial submission, we haven't yet defined the USB role detection
infrastructure, so it didn't make sense to include dual-role now. The
controller supports it, but without the connector bindings and role switch
implementation, it would be non-functional.

Thanks,
Ronak