[PATCH v3 1/5] dt-bindings: Fixup x1e80100 to add DP MST support

[Jessica Zhang]

On 7/18/2025 2:13 AM, Dmitry Baryshkov wrote:
> On Thu, Jul 17, 2025 at 04:28:43PM -0700, Jessica Zhang wrote:
>> From: Abhinav Kumar <quic_abhinavk at quicinc.com>
> 
> Please fix the patch subject.

Hi Dmitry,

Ack.

> 
>>
>> Add x1e80100 to the dp-controller bindings, fix the
>> displayport-controller reg bindings, and drop
>> assigned-clock-parents/assigned-clocks
> 
> Why?

IIRC issues with the x1e80100 dp-controller bindings (i.e. the reg 
bindings) weren't being picked up by dtschema because the x1e80100-dp 
compatible string wasn't in dp-controller.yaml.

I can add this to the commit msg after moving the 
assigned-clocks/clock-parents change to patch 3.

> 
>>
>> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
>> Reviewed-by: "Rob Herring (Arm)" <robh at kernel.org>
>> Signed-off-by: Jessica Zhang <jessica.zhang at oss.qualcomm.com>
>> ---
>>   .../devicetree/bindings/display/msm/dp-controller.yaml    |  2 ++
>>   .../bindings/display/msm/qcom,x1e80100-mdss.yaml          | 15 +++++----------
> 
> Split into two commits.

Would it be better if I kept the compatible/reg bindings fix in this 
commit then squashed the assigned-clocks/clock-parents change with patch 3?

Thanks,

Jessica Zhang

> 
>>   2 files changed, 7 insertions(+), 10 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>> index 9923b065323b..4676aa8db2f4 100644
>> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>> @@ -29,6 +29,8 @@ properties:
>>             - qcom,sdm845-dp
>>             - qcom,sm8350-dp
>>             - qcom,sm8650-dp
>> +          - qcom,x1e80100-dp
>> +
>>         - items:
>>             - enum:
>>                 - qcom,sar2130p-dp
>> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml
>> index 3b01a0e47333..0e699de684c8 100644
>> --- a/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml
>> @@ -170,11 +170,11 @@ examples:
>>   
>>           displayport-controller at ae90000 {
>>               compatible = "qcom,x1e80100-dp";
>> -            reg = <0 0xae90000 0 0x200>,
>> -                  <0 0xae90200 0 0x200>,
>> -                  <0 0xae90400 0 0x600>,
>> -                  <0 0xae91000 0 0x400>,
>> -                  <0 0xae91400 0 0x400>;
>> +            reg = <0xae90000 0x200>,
>> +                  <0xae90200 0x200>,
>> +                  <0xae90400 0x600>,
>> +                  <0xae91000 0x400>,
>> +                  <0xae91400 0x400>;
>>   
>>               interrupt-parent = <&mdss>;
>>               interrupts = <12>;
>> @@ -189,11 +189,6 @@ examples:
>>                       "ctrl_link_iface",
>>                       "stream_pixel";
>>   
>> -            assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>,
>> -                  <&dispcc_mdss_dptx0_pixel0_clk_src>;
>> -            assigned-clock-parents = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_LINK_CLK>,
>> -                  <&usb_1_ss0_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
>> -
>>               operating-points-v2 = <&mdss_dp0_opp_table>;
>>   
>>               power-domains = <&rpmhpd RPMHPD_MMCX>;
>>
>> -- 
>> 2.50.1
>>
>