From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Wed, 14 Jan 2015 14:42:21 +0100 Subject: [PATCH v2 2/5] irqchip: Add DT binding doc for dumb demuxer chips In-Reply-To: <1421174781-4340-3-git-send-email-boris.brezillon@free-electrons.com> References: <1421174781-4340-1-git-send-email-boris.brezillon@free-electrons.com> <1421174781-4340-3-git-send-email-boris.brezillon@free-electrons.com> Message-ID: <54B6723D.4050009@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Le 13/01/2015 19:46, Boris Brezillon a ?crit : > Add documentation for the dumb demuxer. > > Signed-off-by: Boris Brezillon Acked-by: Nicolas Ferre > --- > .../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. > + > +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 at 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 at ffffec00 { > + compatible = "atmel,at91sam9g45-dma"; > + reg = <0xffffec00 0x200>; > + interrupts-extended = <&dumb_irq1_demux 0>; > + }; > -- Nicolas Ferre