Re: [PATCH v3 1/4] media: dt-bindings: Add Rockchip JPEG decoder

[Krzysztof Kozlowski <krzk@kernel.org>]

On Mon, Sep 14, 2026 at 02:19:04PM +0200, Sascha Hauer wrote:
> Add a devicetree binding schema for the JPEG hardware decoder Rockchip
> integrates into a number of its SoCs.  Documents the single register
> window (task registers plus the LLP link-table block at offset 0x300),
> the decode interrupt, the AXI and AHB clocks and resets, the IOMMU and
> the power domain.
> 
> The core is not tied to one SoC.  Downstream it is known as the VDPU720
> and the same block sits on the RK3528, RK3562, RK356x, RK3576, RK3588 and
> RV1126B, with only the clocks, the resets and the power domain differing,
> none of which this schema constrains.  A compatible per SoC is all it
> takes to cover them; the RK3568 and the RK3588 are the two that have been
> tested and are enabled here.
> 
> The resets and the power domain are required.  The block cannot be
> reached with its domain off, and the driver falls back to pulsing the
> reset lines when a frame times out and the in-block soft reset does not
> complete, which a node without them would leave with no way to recover.
> 
> The IOMMU stays optional.  The driver never refers to it, it is a platform
> integration detail, and rockchip-vpu.yaml does not require it for the
> other codec blocks on these SoCs either.
> 
> Assisted-by: Claude:claude-opus-5
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  .../bindings/media/rockchip,rk3568-jpegd.yaml      | 92 ++++++++++++++++++++++
>  MAINTAINERS                                        |  8 ++
>  2 files changed, 100 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip