Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752599AbaKJJ4L (ORCPT ); Mon, 10 Nov 2014 04:56:11 -0500 Received: from mail-ig0-f174.google.com ([209.85.213.174]:58774 "EHLO mail-ig0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752556AbaKJJ4H (ORCPT ); Mon, 10 Nov 2014 04:56:07 -0500 Date: Mon, 10 Nov 2014 09:55:59 +0000 From: Lee Jones To: Boris Brezillon Cc: Samuel Ortiz , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor , Jean-Jacques Hiblot , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 02/11] mfd: syscon: Add Atmel Matrix bus DT binding documentation Message-ID: <20141110095559.GI21424@x1> References: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com> <1415203287-21517-3-git-send-email-boris.brezillon@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1415203287-21517-3-git-send-email-boris.brezillon@free-electrons.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 05 Nov 2014, Boris Brezillon wrote: > The Matrix registers are provided to configure internal bus behavior on > at91 SoCs. > Some registers might be access by several drivers (e.g. to configure > external memory bus timings), hence we declare this register set as a > syscon device. > > Signed-off-by: Boris Brezillon > --- > .../devicetree/bindings/mfd/atmel-matrix.txt | 24 ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txt > > diff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt > new file mode 100644 > index 0000000..405cac9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt > @@ -0,0 +1,24 @@ > +* Device tree bindings for Atmel Bus Matrix > + > +The Bus Matrix registers are used to configure Atmel SoCs internal bus > +behavior (master/slave priorities, undefined burst length type, ...) > + > +Required properties: > +- compatible: should be one of the following > + "atmel,at91sam9260-matrix", "syscon" > + "atmel,at91sam9261-matrix", "syscon" > + "atmel,at91sam9263-matrix", "syscon" > + "atmel,at91sam9263-matrix", "syscon" > + "atmel,at91sam9g45-matrix", "syscon" > + "atmel,at91sam9n12-matrix", "syscon" > + "atmel,at91sam9x5-matrix", "syscon" > + "atmel,sama5d3-matrix", "syscon" > +- reg: contains offset/length value of the Bus Matrix > + memory region. Same comments as before: Acked-by: Lee Jones > +Example: > + > +matrix: matrix@ffffec00 { > + compatible = "atmel,sama5d3-matrix", "syscon"; > + reg = <0xffffec00 0x200>; > +}; -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/