Cedrus (video engine) on Allwinner H6 actually uses two IOMMU channel, not just one. However, Cedrus on SoCs like D1 only uses one channel. Allow up to 2 IOMMU channels. Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage") Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx> --- .../bindings/media/allwinner,sun4i-a10-video-engine.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml index 541325f900a1..6446004d59d9 100644 --- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml @@ -55,7 +55,8 @@ properties: description: Phandle to the device SRAM iommus: - maxItems: 1 + minItems: 1 + maxItems: 2 memory-region: maxItems: 1 -- 2.38.1