linux-kernel - Re: [PATCH v6 2/6] dt-bindings: arm: optee: add interrupt property

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Date:   Wed, 13 Oct 2021 12:38:33 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Jens Wiklander <jens.wiklander@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        OP-TEE TrustedFirmware <op-tee@...ts.trustedfirmware.org>,
        Devicetree List <devicetree@...r.kernel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jerome Forissier <jerome@...issier.org>,
        Etienne Carriere <etienne.carriere@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v6 2/6] dt-bindings: arm: optee: add interrupt property

On Wed, 6 Oct 2021 at 12:45, Jens Wiklander <jens.wiklander@...aro.org> wrote:
>
> Adds an optional interrupt property to the optee binding.
>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Acked-by: Marc Zyngier <maz@...nel.org>
> Signed-off-by: Jens Wiklander <jens.wiklander@...aro.org>
> ---
>  .../devicetree/bindings/arm/firmware/linaro,optee-tz.yaml  | 7 +++++++
>  1 file changed, 7 insertions(+)
>

Apart from minor nit below:

Reviewed-by: Sumit Garg <sumit.garg@...aro.org>

> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> index c24047c1fdd5..40c9f1901e3f 100644
> --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> @@ -24,6 +24,12 @@ properties:
>    compatible:
>      const: linaro,optee-tz
>
> +  interrupts:
> +    maxItems: 1
> +    description: |
> +      This interrupt which is used to signal an event by the secure world
> +      software is expected to be edge-triggered.
> +
>    method:
>      enum: [smc, hvc]
>      description: |
> @@ -46,6 +52,7 @@ examples:
>          optee  {
>              compatible = "linaro,optee-tz";
>              method = "smc";
> +            interrupts = <0 187 1>;

nit: It would be better to use macros here:

 +            interrupts = <GIC_SPI 187 IRQ_TYPE_EDGE_RISING>;

-Sumit

>          };
>      };
>
> --
> 2.31.1
>