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

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>
This commit is contained in:
Dinh Nguyen 2022-05-11 12:54:46 -05:00
parent f9ccf752ed
commit 3a21c3ac93
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.
- gpio-controller : Marks the device node as a GPIO 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 second cell is the interrupt trigger type and level flags.
- interrupts: Specify the interrupt.
- altr,interrupt-type: Specifies the interrupt trigger type the GPIO
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>;
#gpio-cells = <2>;
gpio-controller;
#interrupt-cells = <1>;
#interrupt-cells = <2>;
interrupt-controller;
};