From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars-Peter Clausen Subject: Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation Date: Mon, 24 Aug 2015 15:47:09 +0200 Message-ID: <55DB205D.7090802@metafoo.de> References: <1438831173-8761-1-git-send-email-punnaia@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1438831173-8761-1-git-send-email-punnaia-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Punnaiah Choudary Kalluri , robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, michal.simek-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org, vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Cc: dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kalluripunnaiahchoudary-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, kpc528-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Punnaiah Choudary Kalluri List-Id: devicetree@vger.kernel.org On 08/06/2015 05:19 AM, Punnaiah Choudary Kalluri wrote: [...] > +Optional properties: > +- xlnx,include-sg: Indicates the controller to operate in simple or scatter > + gather dma mode > +- xlnx,ratectrl: Scheduling interval in terms of clock cycles for > + source AXI transaction > +- xlnx,overfetch: Tells whether the channel is allowed to over fetch the data > +- xlnx,src-issue: Number of AXI outstanding transactions on source side > +- xlnx,desc-axi-cohrnt: Tells whether the AXI transactions generated for the > + descriptor read are marked Non-coherent > +- xlnx,src-axi-cohrnt: Tells whether the AXI transactions generated for the > + source descriptor payload are marked Non-coherent > +- xlnx,dst-axi-cohrnt: Tells whether the AXI transactions generated for the > + dst descriptor payload are marked Non-coherent > +- xlnx,desc-axi-qos: AXI QOS bits to be used for descriptor fetch > +- xlnx,src-axi-qos: AXI QOS bits to be used for data read > +- xlnx,dst-axi-qos: AXI QOS bits to be used for data write > +- xlnx,desc-axi-cache: AXI cache bits to be used for descriptor fetch. > +- xlnx,desc-axi-cache: AXI cache bits to be used for data read > +- xlnx,desc-axi-cache: AXI cache bits to be used for data write > +- xlnx,src-burst-len: AXI length for data read. Support only power of 2 values > + i.e 1,2,4,8 and 16 > +- xlnx,dst-burst-len: AXI length for data write. Support only power of 2 values > + i.e 1,2,4,8 and 16 None of these really belong into the devicetree. This is all runtime configuration data. - Lars -- 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