Re: [PATCH 2/7] dt-bindings: media: sun4i-a10-video-engine: Fix SRAM count for H6

Jernej Škrabec
2026-05-05T16:15:54Z

Dne torek, 5. maj 2026 ob 15:48:06 Srednjeevropski poletni čas je Chen-Yu Tsai napisal(a):
> 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.
>
> 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:
>

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej