[PATCH v1 18/27] dt-bindings: gpu: panthor: Document AW assignment DT property
COOLING4d
From: Karunika Choo <hidden>
Date: 2026-09-22 20:47:51
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Introduce arm,access-window-mask property to allow partitions to define the assigned access windows at probe time. Signed-off-by: Karunika Choo <redacted> --- .../bindings/gpu/arm,mali-gen5-am-arbitration.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am-arbitration.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am-arbitration.yaml
index 9ea2b4bb9a344..4e7933829e2be 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am-arbitration.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-gen5-am-arbitration.yaml@@ -52,6 +52,15 @@ patternProperties: Hardware partition control index. Must identify a partition present on the GPU and be unique among this device's partition nodes. + arm,access-window-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 0xffff + default: 0 + description: + Initial access window assignment mask. Bit N selects global + access window ID N. Masks must be disjoint across partitions. + If omitted, no access windows are assigned by default. + required: - reg - interrupts
@@ -113,6 +122,7 @@ examples: reg = <0x50000 0x10000>; interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH 0>; arm,id = <0>; + arm,access-window-mask = <0xffff>; }; resource-group@c0000 {
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2.43.0