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

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Message-Id: <20250717-dp_mst_bindings-v3-1-72ce08285703@oss.qualcomm.com>
Date: Thu, 17 Jul 2025 16:28:43 -0700
From: Jessica Zhang <jessica.zhang@....qualcomm.com>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Abel Vesa <abel.vesa@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Mahadevan <quic_mahap@...cinc.com>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Danila Tikhonov <danila@...xyga.com>,
        cros-qcom-dts-watchers@...omium.org,
        Rob Clark <robin.clark@....qualcomm.com>
Cc: Abhinav Kumar <abhinav.kumar@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Yongxing Mou <quic_yongmou@...cinc.com>
Subject: [PATCH v3 1/5] dt-bindings: Fixup x1e80100 to add DP MST support

From: Abhinav Kumar <quic_abhinavk@...cinc.com>

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

Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Reviewed-by: "Rob Herring (Arm)" <robh@...nel.org>
Signed-off-by: Jessica Zhang <jessica.zhang@....qualcomm.com>
---
 .../devicetree/bindings/display/msm/dp-controller.yaml    |  2 ++
 .../bindings/display/msm/qcom,x1e80100-mdss.yaml          | 15 +++++----------
 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@...0000 {
             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