From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Packham Subject: [PATCH v3 1/5] uio: dt-bindings: document existing binding for uio-pdrv-genirq Date: Tue, 10 Oct 2017 11:46:51 +1300 Message-ID: <20171009224655.6173-2-chris.packham@alliedtelesis.co.nz> References: <20171009224655.6173-1-chris.packham@alliedtelesis.co.nz> Return-path: In-Reply-To: <20171009224655.6173-1-chris.packham@alliedtelesis.co.nz> Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, gregkh@linuxfoundation.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Packham List-Id: devicetree@vger.kernel.org Document the device tree bindings for the uio-prv-genirq driver. Provide some examples on how it can be used. Signed-off-by: Chris Packham --- Changes in v3: - New. Document existing binding first. .../devicetree/bindings/uio/uio-pdrv-genirq.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/uio/uio-pdrv-genirq.txt diff --git a/Documentation/devicetree/bindings/uio/uio-pdrv-genirq.txt b/Documentation/devicetree/bindings/uio/uio-pdrv-genirq.txt new file mode 100644 index 000000000000..5a92b1f8825f --- /dev/null +++ b/Documentation/devicetree/bindings/uio/uio-pdrv-genirq.txt @@ -0,0 +1,27 @@ +*Generic UIO platform driver with interrupts + +Required properties: +- compatible: Should be a value set with the of_id module parameter. + +Optional properties: +- interrupts: Should contain the interrupt to be associated with this device + (only a single interrupt is supported per device). +- interrupt-parent: Specifies the phandle to the parent interrupt controller. +- reg: Should specify the physical address spaces used by this device. + +Example: + +/* Device with MM IO and interrupt assuming of_id="me,my-device" */ +my-device@10000 { + compatible = "me,my-device"; + reg = <0x10000 0x40>; + interrupts = <4 IRQ_TYPE_EDGE_BOTH>; + interrupt-parent = <&gic>; +}; + +/* Device with interrupt only assuming of_id="me,my-device" */ +my-int { + compatible = "me,my-device"; + interrupts = <6 IRQ_TYPE_EDGE_BOTH>; + interrupt-parent = <&gic>; +}; -- 2.14.2