staging: mt7621-gpio: dt-bindings: update documentation for #interrupt-cells property
This commit update documentation for #interrupt-cells property in the gpio node which has been changed from '1' to '2'. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Reviewed-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -15,7 +15,13 @@ Required properties for the top level node:
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- interrupt-parent : phandle of the parent interrupt controller.
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- interrupt-parent : phandle of the parent interrupt controller.
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- interrupts : Interrupt specifier for the controllers interrupt.
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- interrupts : Interrupt specifier for the controllers interrupt.
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- interrupt-controller : Mark the device node as an interrupt controller.
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- interrupt-controller : Mark the device node as an interrupt controller.
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- #interrupt-cells : Should be 1. The first cell is the GPIO number.
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- #interrupt-cells : Should be 2. The first cell defines the interrupt number.
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The second cell bits[3:0] is used to specify trigger type as follows:
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- 1 = low-to-high edge triggered.
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- 2 = high-to-low edge triggered.
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- 4 = active high level-sensitive.
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- 8 = active low level-sensitive.
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Required properties for the GPIO bank node:
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Required properties for the GPIO bank node:
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- compatible:
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- compatible:
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@ -37,7 +43,7 @@ Example:
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interrupt-parent = <&gic>;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
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interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-controller;
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interrupt-controller;
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#interrupt-cells = <1>;
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#interrupt-cells = <2>;
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gpio0: bank@0 {
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gpio0: bank@0 {
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reg = <0>;
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reg = <0>;
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