[PATCH 3/9] dt-bindings: npu: Add bindings for NXP Neutron

[Krzysztof Kozlowski]

On 26/02/2026 14:40, Ioana Ciocoi-Radulescu wrote:

A nit, subject: drop second/last, redundant "bindings for". The
"dt-bindings" prefix is already stating that these are bindings.
See also:
https://elixir.bootlin.com/linux/v6.17-rc3/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

> +
> +  memory-region:
> +    description:
> +      Phandle referencing a "shared-dma-pool" to be used for Neutron
> +      inference buffers, which need to be 1MB aligned.
> +
> +      The memory region must be defined with alignment of 1MB and size
> +      should be large enough to accommodate the targeted ML models. It
> +      should be marked as reusable.
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 2
> +    maxItems: 3

Why is this flexible?

> +
> +  clock-names:
> +    minItems: 2
> +    items:
> +      - const: npu

Name "npu" is pretty pointless.

> +      - const: npu_apb
> +      - const: npu_cgc

Drop npu perfix everywhere.


> +
> +  iommus:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - memory-region
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    bus {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +      neutron at 4ab00000 {
> +              compatible = "nxp,imx95-neutron";

Messed indentation. Read writing bindings / writing schema.



Best regards,
Krzysztof