From: mporter@ti•com (Matt Porter)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V6 1/2] of: Add generic device tree DMA helpers
Date: Wed, 19 Sep 2012 10:07:05 -0400 [thread overview]
Message-ID: <20120919140705.GB16522@beef> (raw)
In-Reply-To: <1347662517-4210-2-git-send-email-jon-hunter@ti.com>
On Fri, Sep 14, 2012 at 05:41:56PM -0500, Jon Hunter wrote:
> diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt
> new file mode 100644
> index 0000000..a4f59a5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/dma.txt
> @@ -0,0 +1,81 @@
> +* Generic DMA Controller and DMA request bindings
> +
> +Generic binding to provide a way for a driver using DMA Engine to retrieve the
> +DMA request or channel information that goes from a hardware device to a DMA
> +controller.
> +
> +
> +* DMA controller
> +
> +Required property:
> +- #dma-cells: Must be at least 1. Used to provide DMA controller
> + specific information. See DMA client binding below for
> + more details.
> +
> +Optional properties:
> +- #dma-channels: Number of DMA channels supported by the controller.
> +- #dma-requests: Number of DMA requests signals supported by the
> + controller.
Shouldn't these two optional properties drop the prefix #? By
convention adopted from the various original OF/ePAPR/etc specs, the
only properties I would expect to see with this prefix are the
"*-cells" cell sizes. A quick search indicates this is the case
throughout all the current bindings.
-Matt
next prev parent reply other threads:[~2012-09-19 14:07 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 22:41 [PATCH V6 0/2] of: Add generic device tree DMA helpers Jon Hunter
2012-09-14 22:41 ` [PATCH V6 1/2] " Jon Hunter
2012-09-14 22:46 ` Stephen Warren
2012-09-15 0:14 ` Russell King - ARM Linux
2012-09-17 20:42 ` Arnd Bergmann
2012-09-17 23:06 ` David Brown
2012-09-18 12:50 ` Arnd Bergmann
2012-09-18 22:19 ` Mitch Bradley
2012-09-18 22:32 ` Russell King - ARM Linux
2012-09-19 11:09 ` Arnd Bergmann
2012-09-19 14:40 ` Mitch Bradley
2012-09-19 13:52 ` Matt Porter
2012-09-19 14:07 ` Matt Porter [this message]
2012-09-19 14:24 ` Arnd Bergmann
2012-09-19 14:36 ` Rob Herring
2012-09-19 14:40 ` Matt Porter
2012-09-19 14:50 ` Arnd Bergmann
2012-09-19 21:25 ` Mitch Bradley
2012-09-19 14:10 ` Rob Herring
2012-09-14 22:41 ` [PATCH V6 2/2] dmaengine: add helper function to request a slave DMA channel Jon Hunter
2012-09-17 3:33 ` Vinod Koul
2012-09-17 11:59 ` Arnd Bergmann
2012-09-17 22:36 ` Russell King - ARM Linux
2012-09-18 3:13 ` Vinod Koul
2012-09-18 13:21 ` Matt Porter
2012-09-18 15:20 ` Arnd Bergmann
2012-09-18 18:10 ` Russell King - ARM Linux
2012-09-24 22:25 ` Jon Hunter
2012-09-25 4:35 ` Vinod Koul
2012-10-16 2:43 ` Shawn Guo
2012-10-16 2:39 ` Vinod Koul
2012-11-09 20:01 ` Jon Hunter
2012-11-16 1:37 ` Vinod Koul
2012-11-16 8:39 ` Nicolas Ferre
2012-11-16 15:45 ` Jon Hunter
2012-11-28 17:06 ` Vinod Koul
2012-12-19 17:12 ` Jon Hunter
2012-12-20 14:57 ` Vinod Koul
2012-09-18 3:00 ` Vinod Koul
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