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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /Documentation/devicetree/bindings/gpio/gpio-zynq.txt | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-zynq.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-zynq.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.txt b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt index db4c6a663..7b542657f 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-zynq.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt @@ -12,6 +12,13 @@ Required properties: - interrupts : Interrupt specifier (see interrupt bindings for details) - interrupt-parent : Must be core interrupt controller +- interrupt-controller : Marks the device node as an interrupt controller. +- #interrupt-cells : Should be 2. The first cell is the GPIO number. + The second cell bits[3:0] is used to specify trigger type and level flags: + 1 = low-to-high edge triggered. + 2 = high-to-low edge triggered. + 4 = active high level-sensitive. + 8 = active low level-sensitive. - reg : Address and length of the register set for the device Example: @@ -22,5 +29,7 @@ Example: gpio-controller; interrupt-parent = <&intc>; interrupts = <0 20 4>; + interrupt-controller; + #interrupt-cells = <2>; reg = <0xe000a000 0x1000>; }; |