linux-kernel - Re: [PATCH 1/6] dt-bindings: interrupt-controller: Document RTD129x

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Message-ID: <20190724162127.GA32658@bogus>
Date:   Wed, 24 Jul 2019 10:21:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Aleix Roca Nonell <kernelrocks@...il.com>
Cc:     Andreas Färber <afaerber@...e.de>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] dt-bindings: interrupt-controller: Document RTD129x

On Sun, Jul 07, 2019 at 03:22:46PM +0200, Aleix Roca Nonell wrote:
> Add binding for Realtek RTD129x interrupt controller.
> 
> Signed-off-by: Aleix Roca Nonell <kernelrocks@...il.com>
> ---
>  .../realtek,rtd129x-intc.txt                  | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,rtd129x-intc.txt
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd129x-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd129x-intc.txt
> new file mode 100644
> index 000000000000..3ebb7c02afe5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd129x-intc.txt
> @@ -0,0 +1,24 @@
> +Realtek RTD129x IRQ Interrupt Controller
> +=======================================
> +
> +Required properties:
> +
> +- compatible           :  Should be one of the following:
> +                          - "realtek,rtd129x-intc-misc"
> +                          - "realtek,rtd129x-intc-iso"

Don't use wildcards in compatible strings.

> +- reg                  :  Specifies the address of the ISR, IER and Unmask
> +                          register in couples of "address length".
> +- 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.
> +
> +
> +Example:
> +
> +	interrupt-controller@...07000 {
> +		compatible = "realtek,rtd129x-iso-irq-mux";
> +		reg = <0x98007000 0x4 0x98007040 0x4 0x98007004 0x4>;

What's in the holes?

> +		interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-controller;
> +		#interrupt-cells = <1>;
> +	};
> -- 
> 2.21.0
>