linux-kernel - Re: [PATCH RESEND v3 2/3] irqchip: vf610-mscm: dt-bindings: add MSCM bindings

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Date:	Mon, 26 Jan 2015 13:36:02 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Stefan Agner <stefan@...er.ch>
Cc:	"tglx@...utronix.de" <tglx@...utronix.de>,
	"jason@...edaemon.net" <jason@...edaemon.net>,
	Marc Zyngier <Marc.Zyngier@....com>,
	"u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
	"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"arnd@...db.de" <arnd@...db.de>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND v3 2/3] irqchip: vf610-mscm: dt-bindings: add MSCM
 bindings

On Thu, Jan 15, 2015 at 08:04:05AM +0000, Stefan Agner wrote:
> Add binding documentation for Miscellaneous System Control Module
> found in Freescale Vybrid SoC's.
> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>
> ---
>  .../bindings/arm/freescale/fsl,vf610-mscm.txt         | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/freescale/fsl,vf610-mscm.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-mscm.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-mscm.txt
> new file mode 100644
> index 0000000..e051b88
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-mscm.txt
> @@ -0,0 +1,19 @@
> +Freescale Vybrid Miscellaneous System Control Module
> +
> +The MSCM IP contains Access Control and TrustZone Security hardware,
> +CPU Configuration registers and Interrupt Router control.
> +
> +Required properties:
> +- compatible : "fsl,vf610-mscm", "syscon"

I'm a little concerned by this also being a syscon. What other devices
need to refer to this block as a syscon?

> +- interrupt-controller : Identifies the node as an interrupt controller
> +- #interrupt-cells : Two cells, interrupt number and flags (IRQ type)

What numbers and flags are valid?

Mark.

> +- reg : the register range of the MSCM module
> +
> +Example:
> +	mscm: mscm@...01000 {
> +		compatible = "fsl,vf610-mscm", "syscon";
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		interrupt-parent = <&intc>;
> +		reg = <0x40001000 0x1000>;
> +	}
> -- 
> 2.2.1
> 
> 
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