diff options
| -rw-r--r-- | drivers/staging/mt7621-gpio/mediatek,mt7621-gpio.txt | 10 |
1 files 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 94caba74de12..30d8a0225aa1 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>; |