[PATCH v2 2/7] dt-bindings: media: sun4i-a10-video-engine: Fix SRAM count for H6
From: Chen-Yu Tsai <wens@kernel.org>
Date: 2026-07-11 14:00:35
Also in:
linux-devicetree, linux-media, linux-staging, linux-sunxi, lkml
Subsystem:
media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
On the H6, the SRAM C region includes an alias of part of the VE SRAM used by the video engine. This region should also be claimed so that no access happens through the alias window. Add a second SRAM region phandle to the video engine for the H6. Acked-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Chen-Yu Tsai <wens@kernel.org> --- .../allwinner,sun4i-a10-video-engine.yaml | 21 ++++++++++++++++++- 1 file changed, 20 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 932043d7f0cc..818d815d4732 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml@@ -48,11 +48,15 @@ properties: allwinner,sram: $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 items: - items: - description: phandle to SRAM - description: register value for device - description: Phandle to the device SRAM + - items: + - description: phandle to SRAM alias + - description: register value for device + description: Phandle to the device SRAM(s) iommus: minItems: 1
@@ -101,6 +105,21 @@ allOf: iommus: maxItems: 1 + - if: + properties: + compatible: + contains: + enum: + - allwinner,sun50i-h6-video-engine + then: + properties: + allwinner,sram: + minItems: 2 + else: + properties: + allwinner,sram: + maxItems: 1 + additionalProperties: false examples:
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2.47.3