linux-kernel - Re: [PATCH v4 2/6] arm: dts: socfpga: add altera fpga manager

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Message-ID: <20141210150109.GA23358@pengutronix.de>
Date:	Wed, 10 Dec 2014 16:01:09 +0100
From:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
To:	atull@...nsource.altera.com
Cc:	gregkh@...uxfoundation.org, jgunthorpe@...idianresearch.com,
	hpa@...or.com, monstr@...str.eu, michal.simek@...inx.com,
	rdunlap@...radead.org, linux-kernel@...r.kernel.org,
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	robh+dt@...nel.org, grant.likely@...aro.org, iws@...o.caltech.edu,
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	kyle.teske@...com, nico@...aro.org, balbi@...com,
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	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	delicious.quinoa@...il.com, dinguyen@...nsource.altera.com,
	yvanderv@...nsource.altera.com
Subject: Re: [PATCH v4 2/6] arm: dts: socfpga: add altera fpga manager

Hi!

On Tue, Dec 09, 2014 at 02:14:46PM -0600, atull@...nsource.altera.com wrote:
> From: Alan Tull <atull@...nsource.altera.com>
> 
> Add Altera FGPA manager to device tree.
> 
> Signed-off-by: Alan Tull <atull@...nsource.altera.com>
> ---
>  arch/arm/boot/dts/socfpga.dtsi |   10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index 4472fd9..bab98b6 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -751,5 +751,15 @@
>  			compatible = "altr,sys-mgr", "syscon";
>  			reg = <0xffd08000 0x4000>;
>  		};
> +
> +		hps_0_fpgamgr: fpgamgr@...f706000 {
> +			compatible = "altr,fpga-mgr", "simple-bus";
> +			reg = <0xFF706000 0x1000
> +			       0xFFB90000 0x1000>;
> +			interrupts = <0 175 4>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +		};

The fpgamgr is NOT a bus. You don't need ranges and/or simple-bus.

Regards,
Steffen

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