From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753814AbbAMTBi (ORCPT ); Tue, 13 Jan 2015 14:01:38 -0500 Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:44339 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752591AbbAMTBg convert rfc822-to-8bit (ORCPT ); Tue, 13 Jan 2015 14:01:36 -0500 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 96.249.243.124 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18tYi3Y+4DcOiue79/QCLfwa1JJtjPsI3U= X-DKIM: OpenDKIM Filter v2.0.1 titan DA95D645680 Date: Tue, 13 Jan 2015 14:00:50 -0500 From: Jason Cooper To: Boris Brezillon Cc: Thomas Gleixner , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , "Rafael J. Wysocki" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org Subject: Re: [PATCH v2 2/5] irqchip: Add DT binding doc for dumb demuxer chips Message-ID: <20150113190050.GZ24989@titan.lakedaemon.net> References: <1421174781-4340-1-git-send-email-boris.brezillon@free-electrons.com> <1421174781-4340-3-git-send-email-boris.brezillon@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1421174781-4340-3-git-send-email-boris.brezillon@free-electrons.com> User-Agent: Mutt/1.5.20 (2009-06-14) Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Boris, On Tue, Jan 13, 2015 at 07:46:18PM +0100, Boris Brezillon wrote: > Add documentation for the dumb demuxer. > > Signed-off-by: Boris Brezillon > --- > .../bindings/interrupt-controller/dumb-demux.txt | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/dumb-demux.txt > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/dumb-demux.txt b/Documentation/devicetree/bindings/interrupt-controller/dumb-demux.txt > new file mode 100644 > index 0000000..1c777ef > --- /dev/null > +++ b/Documentation/devicetree/bindings/interrupt-controller/dumb-demux.txt > @@ -0,0 +1,34 @@ > +* Generic Dumb Interrupt Demultiplexer > + > +This Dumb demultiplixer simply forward all incoming interrupts to its > +enabled/unmasked children. Please forgive the potentially naïve question, but what hardware is this describing? thx, Jason. > + > +Required properties: > +- compatible: Should be "irqchip-dumb-demux". > +- interrupt-controller: Identifies the node as an interrupt controller. > +- interrupts-extended or interrupt-parent and interrupts: Reference the source > + interrupt connected to this dumb demuxer. > +- #interrupt-cells: The number of cells to define the interrupts (should be 1). > + The only cell is the IRQ number. > +- irqs: u32 bitfield specifying the interrupts provided by the demuxer. > + > +Examples: > + /* > + * Dumb demuxer controller > + */ > + dumb_irq1_demux: dumb-irq-demux@1 { > + compatible = "irqchip-dumb-demux"; > + interrupt-controller; > + #interrupt-cells = <1>; > + interrupts-extended = <&aic 1 IRQ_TYPE_LEVEL_HIGH 7>; > + irqs = <0x3f>; > + }; > + > + /* > + * Device connected on this dumb demuxer > + */ > + dma: dma-controller@ffffec00 { > + compatible = "atmel,at91sam9g45-dma"; > + reg = <0xffffec00 0x200>; > + interrupts-extended = <&dumb_irq1_demux 0>; > + }; > -- > 1.9.1 >