[PATCH RfC v4 3/6] dt-bindings: add Amlogic Meson GPIO interrupt-controller DT binding documentation
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2017-05-28 19:11:20
Also in:
linux-amlogic, linux-gpio
Subsystem:
irqchip drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add dt binding documentation for Amlogic meson GPIO interrupt controller. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- .../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