diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2012-06-27 13:40:04 +0200 |
|---|---|---|
| committer | Andrew Lunn <andrew@lunn.ch> | 2012-07-27 16:48:14 +0200 |
| commit | 278b45b06bf721b7cf5de67a0126786c60c720e6 (patch) | |
| tree | 4e2a3af2527110f9328aebca560cf6c1cef32c1c /Documentation/devicetree/bindings/gpio | |
| parent | 89fb2d77d5daa821e3868ea59963f28249974840 (diff) | |
| download | op-kernel-dev-278b45b06bf721b7cf5de67a0126786c60c720e6.zip op-kernel-dev-278b45b06bf721b7cf5de67a0126786c60c720e6.tar.gz | |
ARM: Orion: DT support for IRQ and GPIO Controllers
Both IRQ and GPIO controllers can now be represented in DT. The IRQ
controllers are setup first, and then the GPIO controllers. Interrupts
for GPIO lines are placed directly after the main interrupts in the
interrupt space.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Josh Coombs <josh.coombs@gmail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/mrvl-gpio.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt index 05428f3..e137874 100644 --- a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt @@ -27,3 +27,26 @@ Example: interrupt-controller; #interrupt-cells = <1>; }; + +* Marvell Orion GPIO Controller + +Required properties: +- compatible : Should be "marvell,orion-gpio" +- reg : Address and length of the register set for controller. +- gpio-controller : So we know this is a gpio controller. +- ngpio : How many gpios this controller has. +- interrupts : Up to 4 Interrupts for the controller. + +Optional properties: +- mask-offset : For SMP Orions, offset for Nth CPU + +Example: + + gpio0: gpio@10100 { + compatible = "marvell,orion-gpio"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x10100 0x40>; + ngpio = <32>; + interrupts = <35>, <36>, <37>, <38>; + }; |
