From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/2] dt-bindings: soc: xilinx: Add the dt binding for Xilinx AI Engine Date: Mon, 18 Feb 2019 15:17:39 -0600 Message-ID: <20190218211739.GA19490@bogus> References: <1548119537-1788-1-git-send-email-hyun.kwon@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1548119537-1788-1-git-send-email-hyun.kwon@xilinx.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Hyun Kwon Cc: Mark Rutland , Greg Kroah-Hartman , Michal Simek , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Mon, Jan 21, 2019 at 05:12:16PM -0800, Hyun Kwon wrote: > Add the dt bindings for Xilinx AI Engine, which is a tile processor > with many cores. The compatible string, 'xlnx,mathengine' is kept for > backward compatibility as it's the legacy name. > > Signed-off-by: Hyun Kwon > Signed-off-by: Michal Simek > --- > .../devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt | 19 +++++++++++++++++++ > MAINTAINERS | 5 +++++ > 2 files changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt > > diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt > new file mode 100644 > index 0000000..fade9d0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt > @@ -0,0 +1,19 @@ > +Xilinx AI Engine > +---------------- > + > +The Xilinx AI Engine is a tile processor with many cores (up to 400) that > +can run in parallel. The data routing between cores is configured through > +internal switches, and shim tiles interface with external interconnect, such > +as memory or PL. > + > +Required properties: > + > +- compatible: Must be "xlnx,ai_engine", or "xlnx,mathengine" for legacy name. Use '-' rather than '_'. No legacy names. It didn't reviewed and we're not going to be stuck with it. Only 1 version of the IP? The compatible should be more specific. Are details like number of cores discoverable? > +- reg: Physical base address and length of the registers set for the device. > + > +Example: > + > + ai_engine@80000000 { > + compatible = "xlnx,ai_engine"; > + reg = <0x0 0x80000000 0x0 0x20000000>; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index 32d44447..d119d1d 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -16040,6 +16040,11 @@ F: Documentation/driver-api/uio-howto.rst > F: drivers/uio/ > F: include/linux/uio_driver.h > > +USERSPACE I/O (UIO) DRIVER FOR XILINX AI ENGINE > +M: Hyun Kwon > +S: Maintained > +F: Documentation/devicetree/bindings/soc/xilinx/xlnx,ai_engine.txt > + > UTIL-LINUX PACKAGE > M: Karel Zak > L: util-linux@vger.kernel.org > -- > 2.7.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel