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[RFC,3/5] dt-bindings: gpu: Add protected heap name to Mali Valhall CSF binding

Message ID 36b57dcf20860398ba83985e1c5b6f6958d08ba7.1738228114.git.florent.tomasin@arm.com
State New
Headers show
Series [RFC,1/5] dt-bindings: dma: Add CMA Heap bindings | expand

Commit Message

Florent Tomasin Jan. 30, 2025, 1:08 p.m. UTC 
Allow mali-valhall-csf driver to retrieve a protected
heap at probe time by passing the name of the heap
as attribute to the device tree GPU node.

Signed-off-by: Florent Tomasin <florent.tomasin@arm.com>
---
 .../devicetree/bindings/gpu/arm,mali-valhall-csf.yaml       | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
index a5b4e0021758..dc633b037ede 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
@@ -85,6 +85,12 @@  properties:
 
   dma-coherent: true
 
+  protected-heap-name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      Specifies the name of the protected Heap from
+      which the GPU driver allocates protected memory.
+
 required:
   - compatible
   - reg