Re: [PATCH v3 2/5] dt-bindings: interrupt-controller: loongson,liointc: Fix dtbs_check warning for reg-names

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On Tue, Oct 31, 2023 at 10:36:37AM +0800, Binbin Zhou wrote:
> As we know, the Loongson-2K0500 is a single-core CPU, and the
> core1-related register (isr1) does not exist, and we need a separate
> declaration.
> 
> This fixes dtbs_check warning:
> 
> DTC_CHK arch/loongarch/boot/dts/loongson-2k0500-ref.dtb
> arch/loongarch/boot/dts/loongson-2k0500-ref.dtb: interrupt-controller@1fe11400: reg-names: ['main', 'isr0'] is too short
>         From schema: Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> arch/loongarch/boot/dts/loongson-2k0500-ref.dtb: interrupt-controller@1fe11400: Unevaluated properties are not allowed ('reg-names' was unexpected)
>         From schema: Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> arch/loongarch/boot/dts/loongson-2k0500-ref.dtb: interrupt-controller@1fe11400: reg: [[0, 534844416, 0, 64], [0, 534843456, 0, 8]] is too short
>         From schema: Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> arch/loongarch/boot/dts/loongson-2k0500-ref.dtb: interrupt-controller@1fe11440: reg-names: ['main', 'isr0'] is too short
>         From schema: Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> 
> Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
> ---
>  .../loongson,liointc.yaml                     | 22 ++++++++++++++-----
>  1 file changed, 16 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> index 0d9511b8a792..7393d7dfbe82 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
> @@ -11,8 +11,13 @@ maintainers:
>  
>  description: |
>    This interrupt controller is found in the Loongson-3 family of chips and
> -  Loongson-2K1000 chip, as the primary package interrupt controller which
> +  Loongson-2K series chips, as the primary package interrupt controller which
>    can route local I/O interrupt to interrupt lines of cores.
> +  Be aware of the following points.
> +  1.The Loongson-2K0500 is a single core CPU, the isr1 register could not be defined;
> +  2.The Loongson-2K0500/2K1000 has 64 device interrupt sources as inputs, so we
> +    need to define two nodes in dts{i} to describe the "0-31" and "32-61" interrupt
> +    sources respectively.
>  
>  allOf:
>    - $ref: /schemas/interrupt-controller.yaml#
> @@ -29,10 +34,14 @@ properties:
>      maxItems: 3
>  
>    reg-names:
> -    items:
> -      - const: main
> -      - const: isr0
> -      - const: isr1
> +    oneOf:
> +      - items:
> +          - const: main
> +          - const: isr0
> +      - items:
> +          - const: main
> +          - const: isr0
> +          - const: isr1

Just adding 'minItems: 2' accomplishes the same thing without 
duplicating the list.

>  
>    interrupt-controller: true
>  
> @@ -94,7 +103,8 @@ if:
>  then:
>    properties:
>      reg:
> -      minItems: 3
> +      minItems: 2
> +      maxItems: 3
>  
>    required:
>      - reg-names
> -- 
> 2.39.3
> 




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