Add dt binding documentation for Amlogic meson GPIO interrupt controller. Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> --- v5: - added Reviewed-by v6: - rename parent-interrupts to interrupts --- .../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. +- 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>; + interrupts = <64 65 66 67 68 69 70 71>; +}; -- 2.13.0 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html