Currently SM6350 uses qcom,sm8350-dp as a fallback compatible entry.
This works, but adding DP MST support will reveal that this SoC is
not fully compatible with SM8350 platform: the former one doesn't
provide MST support, while the latter one will get it. DT schema for
SM8350 is going to demand MST-related clocks which SM6350 doesn't
provide.

Add new entry for SM6350 with fallback to SC7180 (which belongs to the
same generation and also doesn't have MST support). SC7180 has been
supported by the Linux kernel long ago (and long before SM8350 support
was added).

Fixes: 39086151593a ("dt-bindings: display: msm: dp-controller: document SM6350 
compatible")
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com>
---
 .../devicetree/bindings/display/msm/dp-controller.yaml     | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml 
b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 
aed3bafa67e3c24d2a876acd29660378b367603a..0f814aa6f51406fdbdd7386027f88dfbacb24392
 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -31,13 +31,25 @@ properties:
           - qcom,sm8650-dp
       - items:
           - enum:
-              - qcom,sar2130p-dp
               - qcom,sm6350-dp
+          - const: qcom,sc7180-dp
+
+      # deprecated entry for compatibility with old DT
+      - items:
+          - enum:
+              - qcom,sm6350-dp
+          - const: qcom,sm8350-dp
+        deprecated: true
+
+      - items:
+          - enum:
+              - qcom,sar2130p-dp
               - qcom,sm8150-dp
               - qcom,sm8250-dp
               - qcom,sm8450-dp
               - qcom,sm8550-dp
           - const: qcom,sm8350-dp
+
       - items:
           - enum:
               - qcom,sm8750-dp

-- 
2.47.2

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