Re: [PATCH RFC v2 02/11] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs

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On 08/01/2024 19:32, Andrew Davis wrote:
> The Imagination PowerVR Series5 "SGX" GPU is part of several SoCs from
> multiple vendors. Describe how the SGX GPU is integrated in these SoC,
> including register space and interrupts. Clocks, reset, and power domain
> information is SoC specific.
> 
> Signed-off-by: Andrew Davis <afd@xxxxxx>
> ---
>  .../bindings/gpu/img,powervr-sgx.yaml         | 124 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 125 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpu/img,powervr-sgx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-sgx.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-sgx.yaml
> new file mode 100644
> index 0000000000000..bb821e1184de9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpu/img,powervr-sgx.yaml
> @@ -0,0 +1,124 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2023 Imagination Technologies Ltd.

Your email has @TI domain, are you sure you attribute your copyrights to
Imagination?

...

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks: true

Missing min/maxItems

> +
> +  clock-names:
> +    minItems: 1
> +    items:
> +      - const: core
> +      - const: mem
> +      - const: sys
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false

This goes after allOf: block.

> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ti,am6548-gpu
> +    then:
> +      required:
> +        - power-domains
> +    else:
> +      properties:
> +        power-domains: false
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - allwinner,sun6i-a31-gpu
> +              - ingenic,jz4780-gpu
> +    then:
> +      allOf:
> +        - if:

I don't understand why do you need to embed allOf inside another allOf.
The upper (outer) if:then: looks entirely useless.

> +            properties:
> +              compatible:
> +                contains:
> +                  const: allwinner,sun6i-a31-gpu
> +          then:
> +            properties:
> +              clocks:
> +                minItems: 2
> +                maxItems: 2
> +              clock-names:
> +                minItems: 2
> +                maxItems: 2


Best regards,
Krzysztof




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