A612 GPU has a new IP called RGMU (Reduced Graphics Management Unit)
which replaces GMU. But it doesn't do clock or voltage scaling. So we
need the gpu core clock in the GPU node along with the power domain to
do clock and voltage scaling from the kernel. Update the bindings to
describe this GPU.

Signed-off-by: Akhil P Oommen <[email protected]>
---
 .../devicetree/bindings/display/msm/gpu.yaml       | 31 ++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.yaml 
b/Documentation/devicetree/bindings/display/msm/gpu.yaml
index 
3696b083e353031a496a1f299d8f373270ca562d..efc529e82bc198e7c3c89a5eecb6f929960a8de9
 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.yaml
+++ b/Documentation/devicetree/bindings/display/msm/gpu.yaml
@@ -45,11 +45,11 @@ properties:
           - const: amd,imageon
 
   clocks:
-    minItems: 2
+    minItems: 1
     maxItems: 7
 
   clock-names:
-    minItems: 2
+    minItems: 1
     maxItems: 7
 
   reg:
@@ -388,6 +388,33 @@ allOf:
       required:
         - clocks
         - clock-names
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,adreno-612.0
+    then:
+      properties:
+        clocks:
+          minItems: 1
+          maxItems: 1
+
+        clock-names:
+          items:
+            - const: core
+              description: GPU Core clock
+
+        reg-names:
+          minItems: 1
+          items:
+            - const: kgsl_3d0_reg_memory
+            - const: cx_dbgc
+
+      required:
+        - clocks
+        - clock-names
+
     else:
       if:
         properties:

-- 
2.51.0

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