Re: [PATCH v5 1/3] dt-bindings: interrupt-controller: Add Actions SIRQ controller binding

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On Wed, Aug 19, 2020 at 07:37:56PM +0300, Cristian Ciocaltea wrote:
> Actions Semi Owl SoCs SIRQ interrupt controller is found in S500, S700
> and S900 SoCs and provides support for handling up to 3 external
> interrupt lines.
> 
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
> ---
> Changes in v5:
>  - Updated controller description statements both in the commit message
>    and the binding doc
> 
>  .../actions,owl-sirq.yaml                     | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml b/Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml
> new file mode 100644
> index 000000000000..cf9b7a514e4e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/interrupt-controller/actions,owl-sirq.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Actions Semi Owl SoCs SIRQ interrupt controller
> +
> +maintainers:
> +  - Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> +  - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
> +
> +description: |
> +  This interrupt controller is found in the Actions Semi Owl SoCs (S500, S700
> +  and S900) and provides support for handling up to 3 external interrupt lines.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +        - enum:
> +          - actions,s500-sirq
> +          - actions,s700-sirq
> +          - actions,s900-sirq
> +        - const: actions,owl-sirq
> +      - const: actions,owl-sirq

This should be dropped. You should always have the SoC specific 
compatible.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +  '#interrupt-cells':
> +    const: 2
> +    description:
> +      The first cell is the input IRQ number, between 0 and 2, while the second
> +      cell is the trigger type as defined in interrupt.txt in this directory.
> +
> +  'actions,ext-interrupts':
> +    description: |
> +      Contains the GIC SPI IRQ numbers mapped to the external interrupt
> +      lines. They shall be specified sequentially from output 0 to 2.
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    minItems: 3
> +    maxItems: 3

Can't you use 'interrupts' here?

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupt-controller
> +  - '#interrupt-cells'
> +  - 'actions,ext-interrupts'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    sirq: interrupt-controller@b01b0200 {
> +      compatible = "actions,s500-sirq", "actions,owl-sirq";
> +      reg = <0xb01b0200 0x4>;
> +      interrupt-controller;
> +      #interrupt-cells = <2>;
> +      actions,ext-interrupts = <13>, /* SIRQ0 */
> +                               <14>, /* SIRQ1 */
> +                               <15>; /* SIRQ2 */
> +    };
> +
> +...
> -- 
> 2.28.0
> 



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