linux-kernel - Re: [PATCH 27/31] dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller

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Date:   Wed, 8 Nov 2017 07:25:10 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Greentime Hu <green.hu@...il.com>
Cc:     greentime@...estech.com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        netdev <netdev@...r.kernel.org>, Rick Chen <rick@...estech.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 27/31] dt-bindings: interrupt-controller: Andestech
 Internal Vector Interrupt Controller

+DT list

On Tue, Nov 7, 2017 at 11:55 PM, Greentime Hu <green.hu@...il.com> wrote:
> From: Greentime Hu <greentime@...estech.com>

Commit msg needed.

> Signed-off-by: Rick Chen <rick@...estech.com>
> Signed-off-by: Greentime Hu <greentime@...estech.com>
> ---
>  .../interrupt-controller/andestech,ativic32.txt    |   27 ++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt b/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt
> new file mode 100644
> index 0000000..6bac908
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/andestech,ativic32.txt
> @@ -0,0 +1,27 @@
> +* Andestech Internal Vector Interrupt Controller
> +
> +The Internal Vector Interrupt Controller (IVIC) is a basic interrupt controller
> +suitable for a simpler SoC platform not requiring a more sophisticated and
> +bigger External Vector Interrupt Controller.
> +
> +
> +Main node required properties:
> +
> +- compatible : should at least contain  "andestech,ativic32".
> +- interrupt-parent: Empty for the interrupt controller itself

Drop this.

> +- interrupt-controller : Identifies the node as an interrupt controller
> +- #interrupt-cells: The number of cells to define the interrupts. Should be 2.
> +       The first cell is the IRQ number
> +       The second cell is used to specify mode:
> +               1 = low-to-high edge triggered
> +               2 = high-to-low edge triggered
> +               4 = active high level-sensitive
> +               8 = active low level-sensitive

Just state 2 cells and refer to interrupt-controller/interrupts.txt.

> +               Default for internal sources should be set to 4 (active high).
> +
> +Examples:
> +       intc: interrupt-controller {
> +               compatible = "andestech,ativic32";
> +               #interrupt-cells = <2>;
> +               interrupt-controller;
> +       };
> --
> 1.7.9.5
>