linux-kernel - [PATCH v3] dt-bindings: display/msm: dp-controller: Add SM6150

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Message-Id: <20250916-add-dp-controller-support-for-sm6150-v3-1-dd60ebbd101e@oss.qualcomm.com>
Date: Tue, 16 Sep 2025 20:11:03 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, fange.zhang@....qualcomm.com,
        yongxing.mou@....qualcomm.com, li.liu@....qualcomm.com,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Subject: [PATCH v3] dt-bindings: display/msm: dp-controller: Add SM6150

Add DisplayPort controller binding for Qualcomm SM6150 SoC.
SM6150 uses the same controller IP as SM8150.
Declare 'qcom,sm6150-dp' as a fallback compatible to
'qcom,sm8150-dp' and 'qcom,sm8350-dp' for consistency with existing
bindings and to ensure correct matching and future clarity.

Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
---
This series splits the SM6150 dp-controller definition from the
'[v3] Add DisplayPort support for QCS615 platform' series and rebases
'dt-bindings: msm/dp: Add support for 4 pixel streams'.

The devicetree modification for DisplayPort on SM6150 will be provided
in a future patch.
---
Changes in v3:
- Update binding fallback chain to "qcom,sm6150-dp", "qcom,sm8150-dp", "qcom,sm8350-dp". [Dmitry]
- Link to v2: https://lore.kernel.org/r/20250916-add-dp-controller-support-for-sm6150-v2-1-e466da9bb77d@oss.qualcomm.com

Changes in v2:
- Update commit message and binding with fallback configuration. [Dmitry]
- Drop driver patch since SM6150 is declared as a fallback to 'qcom-sm8350-dp'.
- Link to v1: https://lore.kernel.org/r/20250912-add-dp-controller-support-for-sm6150-v1-0-02b34b7b719d@oss.qualcomm.com
---
 Documentation/devicetree/bindings/display/msm/dp-controller.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index aeb4e4f36044a0ff1e78ad47b867e232b21df509..34d5b2984b163ef80501ae403db9c2d7c1c4ac59 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -53,6 +53,12 @@ properties:
               - qcom,sm8550-dp
           - const: qcom,sm8350-dp
 
+      - items:
+          - enum:
+              - qcom,sm6150-dp
+          - const: qcom,sm8150-dp
+          - const: qcom,sm8350-dp
+
       - items:
           - enum:
               - qcom,sm8750-dp

---
base-commit: c3067c2c38316c3ef013636c93daa285ee6aaa2e
change-id: 20250916-add-dp-controller-support-for-sm6150-525ac2ed8c86

Best regards,
-- 
Xiangxu Yin <xiangxu.yin@....qualcomm.com>