linux-kernel - Re: [PATCH] arm64: dts: qcom: Revert "arm64: dts: qcom: qrb5165-rb5: enable DP altmode"

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Message-ID: <2323d13a-aa7c-43a9-85e3-95a2d176b990@linaro.org>
Date:   Tue, 14 Nov 2023 16:28:46 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: Revert "arm64: dts: qcom: qrb5165-rb5:
 enable DP altmode"

On 13/11/2023 11:09, Dmitry Baryshkov wrote:
> On Sat, 11 Nov 2023 at 11:46, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> This reverts commit b3dea914127e9065df003002ed13a2ef40d19877.
>>
>> The commit introduced unsupported and undocumented properties:
>>
>>   qrb5165-rb5.dtb: pmic@2: typec@...0:connector: 'altmodes' does not match any of the regexes: 'pinctrl-[0-9]+'
> 
> We need this property to enable DP altmode on RB5. It has been parsed
> by the typec subsystem since the commit 7b458a4c5d73 ("usb: typec: Add
> typec_port_register_altmodes()"), merged in April 2021.
> 
> Rather than landing this commit, let me propose to send the proper
> binding instead. If we can not agree on a compatible bindings document
> within the sensible timeframe (e.g. 1 month), I'm fine with dropping
> of the altmodes from qrb5156-rb5.

I agree, sounds good for me. I just want to stir the pot and have the
issue resolved :)


Best regards,
Krzysztof