linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: monaco: add lt8713sx bridge with displayport

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Message-ID: <4112ba0b-6feb-4e30-a57e-50ef9e3d6b5e@oss.qualcomm.com>
Date: Fri, 19 Dec 2025 13:10:19 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Vishnu Saini <vishnu.saini@....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,
        Vishnu Saini <vishsain@....qualcomm.com>,
        prahlad.valluru@....qualcomm.com,
        Prahlad Valluru <vvalluru@....qualcomm.com>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: monaco: add lt8713sx bridge with
 displayport

On 12/19/25 12:20 PM, Vishnu Saini wrote:
> On Thu, Nov 20, 2025 at 01:11:00PM +0100, Konrad Dybcio wrote:
>> On 11/20/25 11:58 AM, Vishnu Saini wrote:
>>> Monaco-evk has LT8713sx which act as DP to 3 DP output
>>> converter. Edp PHY from monaco soc is connected to lt8713sx
>>> as input and output of lt8713sx is connected to 3 mini DP ports.
>>> Two of these ports are available in mainboard and one port
>>> is available on Mezz board. lt8713sx is connected to soc over
>>> i2c0 and with reset gpio connected to pin6 or ioexpander5.
>>>
>>> Enable the edp nodes from monaco and enable lontium lt8713sx
>>> bridge node.
>>>
>>> Co-developed-by: Prahlad Valluru <vvalluru@....qualcomm.com>
>>> Signed-off-by: Prahlad Valluru <vvalluru@....qualcomm.com>
>>> Signed-off-by: Vishnu Saini <vishnu.saini@....qualcomm.com>
>>> ---

[...]

>>> +	qup_i2c0_default: qup-i2c0-state {
>>> +		pins = "gpio17", "gpio18";
>>> +		function = "qup0_se0";
>>> +		drive-strength = <2>;
>>> +		bias-pull-up;
>>
>> Similarly, you can move these settings to monaco.dtsi and keep them as
>> defaults since 99.99% of I2C users will share them
> Is it ok if i update this in a different series, similar other nodes like qup_i2c1_default
> added in monaco-evk.dts?

No, I don't want you to introduce something "wrong" only because you
don't want to run git commit --amend

I see you've now sent a v2 just 7 minutes after asking this question.
Should I interpret that as you expecting me to drop everything and rush
to respond to your queries immediately, or do you not care about my
feedback anyway?

Konrad