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

From: Konrad Dybcio

Date: Tue Mar 17 2026 - 09:58:16 EST


On 3/17/26 2:53 PM, Vishnu Saini wrote:
> On Tue, Mar 17, 2026 at 10:22:04AM +0100, Konrad Dybcio wrote:
>> On 3/17/26 7:03 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 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 of ioexpander5.
>>>
>>> Enable the edp nodes from monaco and enable lontium lt8713sx
>>> bridge node.
>>>
>>> Co-developed-by: Prahlad Valluru <vvalluru@xxxxxxxxxxxxxxxx>
>>> Signed-off-by: Prahlad Valluru <vvalluru@xxxxxxxxxxxxxxxx>
>>> Signed-off-by: Vishnu Saini <vishnu.saini@xxxxxxxxxxxxxxxx>
>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
>>> ---
>>> arch/arm64/boot/dts/qcom/monaco-evk.dts | 89 +++++++++++++++++++++++++++++++++
>>
>> Subject: "s/monaco:/monaco-evk:"
> Will fix this in next revision.
>
>>> arch/arm64/boot/dts/qcom/monaco.dtsi | 6 +++
>>> 2 files changed, 95 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
>>> index 0b26cc334a69..0ca5615c996d 100644
>>> --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts
>>> +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
>>> @@ -52,6 +52,30 @@ dmic: audio-codec-0 {
>>> num-channels = <1>;
>>> };
>>>
>>> + dp-connector0 {
>>> + compatible = "dp-connector";
>>> + label = "DP";
>>
>> The labels should be unique, is there any silkscreen or similar that would
>> be a good candidate?
> yes, the connectors are marked as JEDP0 and JEDP1 on the board silkscreen.
> I will update labels accordingly in next revision.

"DP0" and "DP1" are fine too, and probably more obvious

Konrad