From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH 1/7] dmaengine: st_fdma: Add STMicroelectronics FDMA DT binding documentation Date: Wed, 19 Aug 2015 20:36:05 +0530 Message-ID: <20150819150605.GA13546@localhost> References: <1436371888-27863-1-git-send-email-peter.griffin@linaro.org> <1436371888-27863-2-git-send-email-peter.griffin@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1436371888-27863-2-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Griffin Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, srinivas.kandagatla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, maxime.coquelin-qxv4g6HH51o@public.gmane.org, patrice.chotard-qxv4g6HH51o@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ludovic.barre-qxv4g6HH51o@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Jul 08, 2015 at 05:11:22PM +0100, Peter Griffin wrote: > This patch adds the DT binding documentation for the FDMA constroller > found on STi based chipsets from STMicroelectronics. > > Signed-off-by: Ludovic Barre > Signed-off-by: Peter Griffin > --- > Documentation/devicetree/bindings/dma/st_fdma.txt | 76 +++++++++++++++++++++++ > 1 file changed, 76 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/st_fdma.txt > > diff --git a/Documentation/devicetree/bindings/dma/st_fdma.txt b/Documentation/devicetree/bindings/dma/st_fdma.txt > new file mode 100644 > index 0000000..1ec7470 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/st_fdma.txt > @@ -0,0 +1,76 @@ > +* STMicroelectronics Flexible Direct Memory Access Device Tree bindings > + > +The FDMA is a general-purpose direct memory access controller capable of > +supporting 16 independent DMA channels. It accepts up to 32 DMA requests. > +The FDMA is based on a Slim processor which require a firmware. > + > +* FDMA Controller > + > +Required properties: > +- compatible : Should be "st,fdma_mpe31" > +- reg : Should contain DMA registers location and length > +- interrupts : Should contain one interrupt shared by all channel s/channel/channels > +- dma-channels : Number of channels supported by the controller > +- #dma-cells : Must be <3>. any reason three? -- ~Vinod -- 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