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

Florent Tomasin
2025-01-30T13:11:14Z

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(+)

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
--
2.34.1