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dt-bindings: gpio: altera: correct interrupt-cells

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commit 3a21c3ac93 upstream.

update documentation to correctly state the interrupt-cells to be 2.

Cc: stable@vger.kernel.org
Fixes: 4fd9bbc6e0 ("drivers/gpio: Altera soft IP GPIO driver devicetree binding")
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dinh Nguyen 2022-05-11 12:54:46 -05:00 committed by Greg Kroah-Hartman
parent 7c38169433
commit 2f18c23959
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/gpio/gpio-altera.txt
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@ -9,8 +9,9 @@ Required properties:
- The second cell is reserved and is currently unused. - The second cell is reserved and is currently unused.
- gpio-controller : Marks the device node as a GPIO controller. - gpio-controller : Marks the device node as a GPIO controller.
- interrupt-controller: Mark the device node as an interrupt controller - interrupt-controller: Mark the device node as an interrupt controller
- #interrupt-cells : Should be 1. The interrupt type is fixed in the hardware. - #interrupt-cells : Should be 2. The interrupt type is fixed in the hardware.
- The first cell is the GPIO offset number within the GPIO controller. - The first cell is the GPIO offset number within the GPIO controller.
- The second cell is the interrupt trigger type and level flags.
- interrupts: Specify the interrupt. - interrupts: Specify the interrupt.
- altr,interrupt-type: Specifies the interrupt trigger type the GPIO - altr,interrupt-type: Specifies the interrupt trigger type the GPIO
hardware is synthesized. This field is required if the Altera GPIO controller hardware is synthesized. This field is required if the Altera GPIO controller
@ -38,6 +39,6 @@ gpio_altr: gpio@ff200000 {
altr,interrupt-type = <IRQ_TYPE_EDGE_RISING>; altr,interrupt-type = <IRQ_TYPE_EDGE_RISING>;
#gpio-cells = <2>; #gpio-cells = <2>;
gpio-controller; gpio-controller;
#interrupt-cells = <1>; #interrupt-cells = <2>;
interrupt-controller; interrupt-controller;
}; };