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-Nomadik GPIO controller
-
-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.
-- interrupt-controller : Marks the device node as an interrupt controller.
-- gpio-bank : Specifies which bank a controller owns.
-- st,supports-sleepmode : Specifies whether controller can sleep or not
-
-Example:
-
- gpio1: gpio@8012e080 {
- compatible = "st,nomadik-gpio";
- reg = <0x8012e080 0x80>;
- interrupts = <0 120 0x4>;
- #gpio-cells = <2>;
- gpio-controller;
- interrupt-controller;
- supports-sleepmode;
- gpio-bank = <1>;
- };