From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH V2 3/3] ARM: tegra: document use of standard DMA DT bindings Date: Mon, 25 Nov 2013 23:07:55 +0100 Message-ID: <11843948.6MmkNU7Gku@wuerfel> References: <1385417161-5542-1-git-send-email-swarren@wwwdotorg.org> <1385417161-5542-4-git-send-email-swarren@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1385417161-5542-4-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Stephen Warren , treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.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@6000a000 { > clocks = <&tegra_car 34>; > resets = <&tegra_car 34>; > reset-names = "dma"; > + #iommu-cells = <1>; s/iommu-cells/dma-cells/ Arnd