linux-kernel - Re: [PATCH v4 04/13] dt-bindings: riscv: Add Andes interrupt controller compatible string

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Message-ID: <20231123-vigorous-worrier-c8ed0fbbec55@wendy>
Date:   Thu, 23 Nov 2023 14:38:30 +0000
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Yu Chien Peter Lin <peterlin@...estech.com>
CC:     <acme@...nel.org>, <adrian.hunter@...el.com>,
        <ajones@...tanamicro.com>, <alexander.shishkin@...ux.intel.com>,
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Subject: Re: [PATCH v4 04/13] dt-bindings: riscv: Add Andes interrupt
 controller compatible string

On Wed, Nov 22, 2023 at 08:12:26PM +0800, Yu Chien Peter Lin wrote:
> Add "andestech,cpu-intc" compatible string to indicate that
> Andes specific local interrupt is supported on the core,
> e.g. AX45MP cores have 3 types of non-standard local interrupt
> can be handled in supervisor mode:
> 
> - Slave port ECC error interrupt
> - Bus write transaction error interrupt
> - Performance monitor overflow interrupt
> 
> These interrupts are enabled/disabled via a custom register
> SLIE instead of the standard interrupt enable register SIE.
> 
> Signed-off-by: Yu Chien Peter Lin <peterlin@...estech.com>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Cheers,
Conor.

> ---
> Changes v1 -> v2:
>   - New patch
> Changes v2 -> v3:
>   - Updated commit message
>   - Fixed possible compatibles for Andes INTC
> Changes v3 -> v4:
>   - Add const entry instead of enum (Suggested by Conor)
> ---
>  Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index f392e367d673..50307554478f 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -100,7 +100,11 @@ properties:
>          const: 1
>  
>        compatible:
> -        const: riscv,cpu-intc
> +        oneOf:
> +          - items:
> +              - const: andestech,cpu-intc
> +              - const: riscv,cpu-intc
> +          - const: riscv,cpu-intc
>  
>        interrupt-controller: true
>  
> -- 
> 2.34.1
> 

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