From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH v2 2/2] ARM: dts: at_xdmac: add bindings documentation Date: Fri, 04 Jul 2014 16:48:42 +0400 Message-ID: <53B6A2AA.4000202@cogentembedded.com> References: <1404459370-3540-1-git-send-email-ludovic.desroches@atmel.com> <1404459370-3540-3-git-send-email-ludovic.desroches@atmel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1404459370-3540-3-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ludovic Desroches , dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: arnd-r2nGTMty4D4@public.gmane.org, vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org, josh.wu-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org List-Id: devicetree@vger.kernel.org Hello. On 07/04/2014 11:36 AM, Ludovic Desroches wrote: > Add bindings documentation for the new Atmel DMA controller (XDMAC) > introduced with SAMA5D4. > Signed-off-by: Ludovic Desroches > --- > .../devicetree/bindings/dma/atmel-xdma.txt | 39 ++++++++++++++++++++ > 1 file changed, 39 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/atmel-xdma.txt > diff --git a/Documentation/devicetree/bindings/dma/atmel-xdma.txt b/Documentation/devicetree/bindings/dma/atmel-xdma.txt > new file mode 100644 > index 0000000..1e09fda > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/atmel-xdma.txt [...] > +DMA clients connected to the Atmel XDMA controller must use the format > +described in the dma.txt file, using a three-cell specifier for each channel: > +a phandle plus two integer cells. Specifiers do not include phandle. > +The two cells in order are: s/two/three/? > + > +1. A phandle pointing to the DMA controller. > +2. The memory interface (16 most significant bits), the peripheral interface > +(16 less significant bits). > +3. Channel configuration register. Configurable fields are: > + - bit 30-24: PERID, peripheral identifier. WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html