Re: [PATCH v7 1/8] dt-bindings: media: qcom: Add JPEG encoder binding

[Rob Herring]

On Fri, Nov 06, 2026 at 10:25:15AM +0200, Atanas Filipov wrote:
> Add device-tree binding for the Qualcomm JPEG encoder hardware block
> present in SM8250 (Kona) and SC7280 (Kodiak) SoCs.
> 
> The JPEG encoder is a standalone hardware IP within the camera subsystem
> that performs JPEG compression in memory-to-memory fashion.  It is
> separate from the CAMSS ISP pipeline and has its own register space,
> interrupt, clocks, power domains, IOMMU stream, and interconnect path.
> 
> Signed-off-by: Atanas Filipov <atanas.filipov@xxxxxxxxxxxxxxxx>
> ---
>  .../bindings/media/qcom,sm8250-jpeg-enc.yaml  | 193 ++++++++++++++++++
>  1 file changed, 193 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/qcom,sm8250-jpeg-enc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/qcom,sm8250-jpeg-enc.yaml b/Documentation/devicetree/bindings/media/qcom,sm8250-jpeg-enc.yaml
> new file mode 100644
> index 0000000000000..86b17575600c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,sm8250-jpeg-enc.yaml
> @@ -0,0 +1,193 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,sm8250-jpeg-enc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm JPEG Encoder
> +
> +maintainers:
> +  - Atanas Filipov <atanas.filipov@xxxxxxxxxxxxxxxx>
> +
> +description:
> +  Qualcomm JPEG Encoder is the JPEG encode hardware present in Qualcomm SoCs.
> +  The encoder is a standalone hardware IP within the camera subsystem that
> +  performs JPEG compression in memory-to-memory fashion.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,sc7280-jpeg-enc
> +      - qcom,sm8250-jpeg-enc
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 6
> +
> +  clock-names:
> +    items:
> +      - const: bus
> +      - const: config
> +      - const: cpas
> +      - const: camnoc_axi
> +      - const: camnoc_axi_src

These 2 don't sound like clocks that are part of this block. And 'src' 
sounds like the parent clock? Use assigned-clocks for parent clocks (or 
just retrieve the parent from the clk api).

> +      - const: core

I would expect the main clock for the block to come first in the list, 
not last.

Rob