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yaml --- r: 303207 b: refs/heads/master c: b55ac4e h: refs/heads/master i: 303205: 18b10a8 303203: edbc95d 303199: 648532a v: v3
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Lee Jones
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Linus Walleij
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Apr 23, 2012
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refs/heads/master: c0b133bda1eb89f7ce737fc7c646fa68ec7b9f1a | ||
refs/heads/master: b55ac4ea96adc907bec7b0a804c1edd3dbf2e64d |
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Nomadik GPIO controller | ||
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Required properties: | ||
- compatible : Should be "st,nomadik-gpio". | ||
- reg : Physical base address and length of the controller's registers. | ||
- interrupts : The interrupt outputs from the controller. | ||
- #gpio-cells : Should be two: | ||
The first cell is the pin number. | ||
The second cell is used to specify optional parameters: | ||
- bits[3:0] 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. | ||
- gpio-controller : Marks the device node as a GPIO controller. | ||
- gpio-bank : Specifies which bank a controller owns. | ||
- st,supports-sleepmode : Specifies whether controller can sleep or not | ||
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Example: | ||
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gpio1: gpio@8012e080 { | ||
compatible = "st,nomadik-gpio"; | ||
reg = <0x8012e080 0x80>; | ||
interrupts = <0 120 0x4>; | ||
#gpio-cells = <2>; | ||
gpio-controller; | ||
supports-sleepmode; | ||
gpio-bank = <1>; | ||
}; |