linux-kernel - [PATCH v5 4/6] dt-bindings: display/msm: drop assigned-clock-parents for dp controller

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Message-Id: <20250809-dp_mst_bindings-v5-4-b185fe574f38@oss.qualcomm.com>
Date: Sat, 09 Aug 2025 12:16:18 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....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>,
        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>, Mahadevan <quic_mahap@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
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,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v5 4/6] dt-bindings: display/msm: drop
 assigned-clock-parents for dp controller

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

DP controller schema documents assigned-clocks and
assigned-clock-parents. However these assignments should not be a part
of the ABI: there are no actual requirements on the order of the
assignments, MST cases require different number of clocks to be
assigned, etc.

Instead of fixing up the documentation, drop the assigned-clock-parents
and assigned-clocks from the bindings. The generic clock/clock.yaml
already covers these properties.

Suggested-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Signed-off-by: Jessica Zhang <jessica.zhang@....qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 .../devicetree/bindings/display/msm/dp-controller.yaml         | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 55e37ec74591af0a1329598f6059475926fdd64e..352824c245224d7b5e096770684795625fc9f146 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -73,16 +73,6 @@ properties:
       - const: ctrl_link_iface
       - const: stream_pixel
 
-  assigned-clocks:
-    items:
-      - description: link clock source
-      - description: pixel clock source
-
-  assigned-clock-parents:
-    items:
-      - description: phy 0 parent
-      - description: phy 1 parent
-
   phys:
     maxItems: 1
 

-- 
2.39.5