linux-kernel - [PATCH v2 06/15] dt-bindings: display/msm: sc7180-dpu: Describe SM6125

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Message-Id: <20230627-sm6125-dpu-v2-6-03e430a2078c@somainline.org>
Date:   Tue, 27 Jun 2023 22:14:21 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, Lux Aliaga <they@...t.lgbt>
Subject: [PATCH v2 06/15] dt-bindings: display/msm: sc7180-dpu: Describe
 SM6125

SM6125 is identical to SM6375 except that while downstream also defines
a throttle clock, its presence results in timeouts whereas SM6375
requires it to not observe any timeouts.  This is represented by
reducing the clock array length to 6 so that it cannot be passed.  Note
that any SoC other than SM6375 (currently SC7180 and SM6350) are
unconstrained and could either pass or leave out this "throttle" clock.

Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
---
 .../devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
index 630b11480496..37f66940c5e3 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
@@ -15,6 +15,7 @@ properties:
   compatible:
     enum:
       - qcom,sc7180-dpu
+      - qcom,sm6125-dpu
       - qcom,sm6350-dpu
       - qcom,sm6375-dpu
 
@@ -73,6 +74,19 @@ allOf:
         clock-names:
           minItems: 7
 
+  - if:
+      properties:
+        compatible:
+          const: qcom,sm6125-dpu
+
+    then:
+      properties:
+        clocks:
+          maxItems: 6
+
+        clock-names:
+          maxItems: 6
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,dispcc-sc7180.h>

-- 
2.41.0