[PATCH v2 2/3] arm64: dts: qcom: lemans: add mdss1 display device nodes

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Wed Dec 17 05:52:24 PST 2025


On 12/10/25 9:21 AM, Dmitry Baryshkov wrote:
> On Mon, Dec 01, 2025 at 02:35:44PM +0100, Konrad Dybcio wrote:
>> On 11/25/25 11:56 AM, Mani Chandana Ballary Kuntumalla wrote:
>>> Add devicetree changes to enable second Mobile Display Subsystem (mdss1),
>>> Display Processing Unit(DPU), Display Port(DP) controllers and eDP PHYs
>>> on the Qualcomm Lemans platform.
>>>
>>> Signed-off-by: Mahadevan P <mahadevan.p at oss.qualcomm.com>
>>> Signed-off-by: Mani Chandana Ballary Kuntumalla <quic_mkuntuma at quicinc.com>
>>> ---
>>
>> [...]
>>
>>> +			mdss1_dp1: displayport-controller at 2215c000 {
>>> +				compatible = "qcom,sa8775p-dp";
>>> +
>>> +				reg = <0x0 0x2215c000 0x0 0x104>,
>>> +				      <0x0 0x2215c200 0x0 0x0c0>,
>>> +				      <0x0 0x2215d000 0x0 0x770>,
>>> +				      <0x0 0x2215e000 0x0 0x09c>,
>>> +				      <0x0 0x2215f000 0x0 0x09c>,
>>> +				      <0x0 0x22160000 0x0 0x09c>,
>>> +				      <0x0 0x22161000 0x0 0x09c>,
>>> +				      <0x0 0x22162000 0x0 0x23c>,
>>> +				      <0x0 0x22163000 0x0 0x23c>;
>>
>> The last two regions still happen not to exist
> 
> According to the memory map I observe, they do exist.

Hm, you're right, I don't know why I couldn't find them in the past

Konrad



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