linux-kernel - Re: [PATCHv3 1/3] dts: socfpga: Add bindings for Altera SoC SDRAM controller

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Date:	Mon, 5 May 2014 16:16:52 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	<tthayer@...era.com>
CC:	<robherring2@...il.com>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <rob@...dley.net>,
	<linux@....linux.org.uk>, <dinguyen@...era.com>,
	<dougthompson@...ssion.com>, <grant.likely@...aro.org>,
	<bp@...en8.de>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-edac@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <tthayer.linux@...il.com>
Subject: Re: [PATCHv3 1/3] dts: socfpga: Add bindings for Altera SoC SDRAM
 controller

Hi Thor,

On Mon, 2014-05-05 at 05:52PM -0500, tthayer@...era.com wrote:
> From: Thor Thayer <tthayer@...era.com>
> 
> Addition of the Altera SDRAM controller bindings and device
> tree changes to the Altera SoC project. The "syscon" parameter
> is included here because the SDRAM EDAC bits are shared with the SDRAM
> configuration bits.
> ---
> v2: Changes to SoC SDRAM EDAC code.
> 
> V3: Implement code suggestions for SDRAM EDAC code.
> 
> Signed-off-by: Thor Thayer <tthayer@...era.com>
> ---
>  .../bindings/arm/altera/socfpga-sdram.txt          |   14 ++++++++++++++
>  arch/arm/boot/dts/socfpga.dtsi                     |    5 +++++
>  2 files changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
> new file mode 100644
> index 0000000..525cb76
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
> @@ -0,0 +1,14 @@
> +Altera SOCFPGA SDRAM Controller
> +
> +Required properties:
> +- compatible : "altr,sdr-ctl", "syscon";
> +                Note that syscon is invoked for this device to support the FPGA
> +		bridge driver, EDAC driver and other devices that share the
> +		registers.

This sounds like implementation specifics, which shouldn't be part of
the bindings.

	Sören


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