From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 3/3] ARM: tegra: document use of standard DMA DT bindings
Date: Mon, 25 Nov 2013 23:07:55 +0100 [thread overview]
Message-ID: <11843948.6MmkNU7Gku@wuerfel> (raw)
In-Reply-To: <1385417161-5542-4-git-send-email-swarren@wwwdotorg.org>
On Monday 25 November 2013 15:06:01 Stephen Warren wrote:
> See ../reset/reset.txt for details.
> - reset-names : Must include the following entries:
> - dma
> +- #iommu-cells : Must be <1>. This dictates the length of DMA specifiers in
> + client nodes' dmas properties. The specifier represents the DMA request
> + select value for the peripheral. For more details, consult the Tegra TRM's
> + documentation of the APB DMA channel control register REQ_SEL field.
>
> Examples:
>
> @@ -36,4 +40,5 @@ apbdma: dma at 6000a000 {
> clocks = <&tegra_car 34>;
> resets = <&tegra_car 34>;
> reset-names = "dma";
> + #iommu-cells = <1>;
s/iommu-cells/dma-cells/
Arnd
next prev parent reply other threads:[~2013-11-25 22:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 22:05 [PATCH V2 0/3] ARM: tegra: use common reset and DMA bindings Stephen Warren
2013-11-25 22:05 ` [PATCH V2 1/3] ARM: tegra: add missing clock documentation to DT bindings Stephen Warren
2013-11-25 22:06 ` [PATCH V2 2/3] ARM: tegra: document reset properties in " Stephen Warren
2013-11-25 22:06 ` [PATCH V2 3/3] ARM: tegra: document use of standard DMA " Stephen Warren
2013-11-25 22:07 ` Arnd Bergmann [this message]
2013-11-25 22:25 ` Stephen Warren
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