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| author | Sergio Paracuellos <sergio.paracuellos@gmail.com> | 2018-06-01 12:30:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-01 14:16:23 +0300 |
| commit | 4b2fbed7202aacc4aa3fbfec4c1984347f5d8712 (patch) | |
| tree | 92d7e035d9ee397a06d967b46c6b7bfa970fe85f /drivers/staging | |
| parent | a7e09d3e8f5b7caa292c7cf0574b17d710c5a465 (diff) | |
| download | linux-4b2fbed7202aacc4aa3fbfec4c1984347f5d8712.tar.xz | |
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>
Diffstat (limited to 'drivers/staging')
| -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>; |