From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH RfC v4 3/6] dt-bindings: add Amlogic Meson GPIO interrupt-controller DT binding documentation Date: Sun, 28 May 2017 21:11:20 +0200 Message-ID: <4f082b42-40dd-6e7d-61f5-d3aad1fc19de@gmail.com> References: <49ab677f-3165-d6f5-75f5-a963879e8ecf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wm0-f65.google.com ([74.125.82.65]:35479 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750846AbdE1TNQ (ORCPT ); Sun, 28 May 2017 15:13:16 -0400 In-Reply-To: <49ab677f-3165-d6f5-75f5-a963879e8ecf@gmail.com> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: Jerome Brunet , Mark Rutland , Marc Zyngier , Linus Walleij , Kevin Hilman , Thomas Gleixner , Rob Herring , Neil Armstrong Cc: devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-gpio@vger.kernel.org, "thierry.reding@gmail.com" , Thierry Reding Add dt binding documentation for Amlogic meson GPIO interrupt controller. Signed-off-by: Heiner Kallweit --- .../amlogic,meson-gpio-intc.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt new file mode 100644 index 00000000..2f20d212 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.txt @@ -0,0 +1,26 @@ +Amlogic meson GPIO interrupt controller + +Meson SoCs contains an interrupt controller which is able watch the SoC pads +and generate an interrupt on edges or level. The controller is essentially a +256 pads to 8 GIC interrupt multiplexer, with a filter block to select edge +or level and polarity. The actual number of interrupt exposed depends on the +SoC. + +Required properties: + +- compatible : should be "amlogic,meson-gpio-intc". +- reg : Specifies base physical address and size of the registers. +- interrupt-controller : Identifies the node as an interrupt controller. +- #interrupt-cells : should be 2. +- parent-interrupts : list of GIC interrupts which can be used with the + GPIO IRQ multiplexer + +Example: + +gpio_intc: interrupt-controller@9880 { + compatible = "amlogic,meson-gpio-intc"; + reg = <0x0 0x09880 0x0 0x10>; + interrupt-controller; + #interrupt-cells = <2>; + parent-interrupts = <64 65 66 67 68 69 70 71>; +}; -- 2.13.0