[PATCH v2 1/2] media: dt-bindings: nxp,imx8-jpeg: Document optional SRAM support
Frank Li
Frank.li at nxp.com
Thu Oct 16 08:14:03 PDT 2025
On Sat, Oct 11, 2025 at 08:32:25PM +0200, Marek Vasut wrote:
> Document optional phandle to mmio-sram, which can describe an SRAM
> region used for descriptor storage instead of regular DRAM region.
> Use of SRAM instead of DRAM for descriptor storage may improve bus
> access pattern and performance.
>
> Signed-off-by: Marek Vasut <marek.vasut at mailbox.org>
> ---
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Cc: Mauro Carvalho Chehab <mchehab at kernel.org>
> Cc: Ming Qian <ming.qian at oss.nxp.com>
> Cc: Mirela Rabulea <mirela.rabulea at nxp.com>
> Cc: Nicolas Dufresne <nicolas.dufresne at collabora.com>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: imx at lists.linux.dev
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-media at vger.kernel.org
> ---
> V2: - New patch
> ---
> Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
> index 4cba42ba7cf72..e3170647f44db 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml
> @@ -55,6 +55,12 @@ properties:
> minItems: 1 # Wrapper and all slots
> maxItems: 5 # Wrapper and 4 slots
>
> + sram:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: |
Needn't |
Reviewed-by: Frank Li <Frank.Li at nxp.com>
> + Optional phandle to a reserved on-chip SRAM regions. The SRAM can
> + be used for descriptor storage, which may improve bus utilization.
> +
> required:
> - compatible
> - reg
> --
> 2.51.0
>
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