linux-kernel - Re: [RFC 1/3] dt-bindings: interrupt-controller: Add Realtek RTD1295

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Message-ID: <20170822021459.l3oiid3f4fs6vfa2@rob-hp-laptop>
Date:   Mon, 21 Aug 2017 21:14:59 -0500
From:   Rob Herring <robh@...nel.org>
To:     Andreas Färber <afaerber@...e.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Roc He <hepeng@...oo.tv>,
        蒋丽琴 <jiang.liqin@...iatech.com>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [RFC 1/3] dt-bindings: interrupt-controller: Add Realtek RTD1295

On Thu, Aug 17, 2017 at 12:11:38PM +0200, Andreas Färber wrote:
> Add binding for Realtek RTD1295 IRQ mux.
> 
> Signed-off-by: Andreas Färber <afaerber@...e.de>
> ---
>  .../interrupt-controller/realtek,rtd119x-mux.txt   | 28 ++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
> new file mode 100644
> index 000000000000..4b43370e3d74
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
> @@ -0,0 +1,28 @@
> +Realtek RTD119x/129x IRQ Mux Controller
> +=======================================
> +
> +Required properties:
> +
> +- compatible           :  Should be one of the following:
> +                          - "realtek,rtd1295-irq-mux"
> +                          - "realtek,rtd1295-iso-irq-mux"
> +- reg                  :  Specifies base physical address and size of the registers.
> +- interrupts           :  Specifies the interrupt line which is mux'ed.
> +- interrupt-controller :  Presence indicates the node as interrupt controller.
> +- #interrupt-cells     :  Shall be 1. See common bindings in interrupt.txt.
> +
> +
> +Optional properties:
> +
> +See interrupt.txt for common bindings.

What else would apply here? interrupt-parent is the only thing I see, 
but that's really implicit anyway.

> +
> +
> +Example:
> +
> +	interrupt-controller@...07000 {
> +		compatible = "realtek,rtd1295-iso-irq-mux";
> +		reg = <0x98007000 0x100>;
> +		interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-controller;
> +		#interrupt-cells = <1>;
> +	};
> -- 
> 2.12.3
>