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@xxxxxxxxx>
Reviewed-by: NeilBrown <neil@xxxxxxxxxx>
---
drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt b/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt
index 94caba7..30d8a02 100644
--- a/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt
+++ b/drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt
@@ -15,7 +15,13 @@ Required properties for the top level node:
- interrupt-parent : phandle of the parent interrupt controller.
- interrupts : Interrupt specifier for the controllers interrupt.
- interrupt-controller : Mark the device node as an interrupt controller.
-- #interrupt-cells : Should be 1. The first cell is the GPIO number.
+- #interrupt-cells : Should be 2. The first cell defines the interrupt number.
+ The second cell bits[3:0] is used to specify trigger type as follows:
+ - 1 = low-to-high edge triggered.
+ - 2 = high-to-low edge triggered.
+ - 4 = active high level-sensitive.
+ - 8 = active low level-sensitive.
+
Required properties for the GPIO bank node:
- compatible:
@@ -37,7 +43,7 @@ Example:
interrupt-parent = <&gic>;
interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
- #interrupt-cells = <1>;
+ #interrupt-cells = <2>;
gpio0: bank@0 {
reg = <0>;
--
2.7.4
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