The "restricted-dma-pool" definition prohibits combination with either of the "no-map" and "reusable" properties, but this is only stated in the description text. Add those constraints to the schema so we can properly validate them. Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx> --- .../bindings/reserved-memory/shared-dma-pool.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml b/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml index a4bf757d6881..01385581f663 100644 --- a/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml +++ b/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml @@ -56,6 +56,19 @@ properties: If this property is present, then Linux will use the region for the default pool of the consistent DMA allocator. +if: + properties: + compatible: + contains: + const: restricted-dma-pool +then: + not: + anyOf: + - required: + - no-map + - required: + - reusable + unevaluatedProperties: false examples: -- 2.28.0.dirty