[PATCH 2/4] arm64: dts: qcom: lemans: add mdss1 displayPort device nodes

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Wed Oct 8 05:40:35 PDT 2025


On 9/26/25 10:59 AM, Mani Chandana Ballary Kuntumalla wrote:
> Add device tree nodes for the mdss1 DPTX0 and DPTX1 controllers
> with their corresponding PHYs.
> 
> Signed-off-by: Mani Chandana Ballary Kuntumalla <quic_mkuntuma at quicinc.com>
> ---

[...]

> +			mdss1_dp0: displayport-controller at 22154000 {
> +				compatible = "qcom,sa8775p-dp";
> +
> +				reg = <0x0 0x22154000 0x0 0x104>,

sz = 0x200

> +				      <0x0 0x22154200 0x0 0x0c0>,

sz = 0x200

> +				      <0x0 0x22155000 0x0 0x770>,

sz = 0xc00> +				      <0x0 0x22156000 0x0 0x09c>,
> +				      <0x0 0x22157000 0x0 0x09c>,
> +				      <0x0 0x22158000 0x0 0x09c>,
> +				      <0x0 0x22159000 0x0 0x09c>,

sz = 0x400 for all 0x9c

> +				      <0x0 0x2215a000 0x0 0x23c>,
> +				      <0x0 0x2215b000 0x0 0x23c>;

0x23c -> 0x600

[...]


> +			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>;

0x2216_2000 and _3000 don't exist, there's no MST2/3

sizes should be changed similarly 

[...]

>  		dispcc1: clock-controller at 22100000 {
> @@ -6872,6 +7115,8 @@ dispcc1: clock-controller at 22100000 {
>  				 <&rpmhcc RPMH_CXO_CLK>,
>  				 <&rpmhcc RPMH_CXO_CLK_A>,
>  				 <&sleep_clk>,
> +				 <&mdss1_dp0_phy 0>, <&mdss1_dp0_phy 1>,
> +				 <&mdss1_dp1_phy 0>, <&mdss1_dp1_phy 1>,
>  				 <0>, <0>, <0>, <0>,

You need to remove the same amount of zeroes that you added

Konrad

>  				 <0>, <0>, <0>, <0>;
>  			power-domains = <&rpmhpd SA8775P_MMCX>;



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