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[RFC,1/3] dt-bindings: display/msm/gpu: allow specifying MX domain A5xx

Message ID 20230329222500.1131836-2-dmitry.baryshkov@linaro.org
State New
Headers show
Series drm/msm/a5xx: scale MX following the frequency changes | expand

Commit Message

Dmitry Baryshkov March 29, 2023, 10:24 p.m. UTC
Some a5xx Adreno devices might need additional power domains to handle
voltage scaling. While we do not (yet) have support for CPR3 providing
voltage scaling, allow specifying MX domain to scale the memory cell
voltage.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 Documentation/devicetree/bindings/display/msm/gpu.yaml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.yaml b/Documentation/devicetree/bindings/display/msm/gpu.yaml
index d4191cca71fb..4dc1f6b2cdbf 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.yaml
+++ b/Documentation/devicetree/bindings/display/msm/gpu.yaml
@@ -78,7 +78,14 @@  properties:
     type: object
 
   power-domains:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+
+  power-domain-names:
+    items:
+      - const: gx
+      - const: mx
+    minItems: 1
 
   zap-shader:
     type: object