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-OMAP GPIO controller bindings
-
-Required properties:
-- compatible:
- - "ti,omap2-gpio" for OMAP2 controllers
- - "ti,omap3-gpio" for OMAP3 controllers
- - "ti,omap4-gpio" for OMAP4 controllers
-- #gpio-cells : Should be two.
- - first cell is the pin number
- - second cell is used to specify optional parameters (unused)
-- gpio-controller : Marks the device node as a GPIO controller.
-- #interrupt-cells : Should be 2.
-- interrupt-controller: Mark the device node as an interrupt controller
- The first cell is the GPIO number.
- The second cell is used to specify flags:
- 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.
-
-OMAP specific properties:
-- ti,hwmods: Name of the hwmod associated to the GPIO:
- "gpio<X>", <X> being the 1-based instance number from the HW spec
-
-
-Example:
-
-gpio4: gpio4 {
- compatible = "ti,omap4-gpio";
- ti,hwmods = "gpio4";
- #gpio-cells = <2>;
- gpio-controller;
- #interrupt-cells = <2>;
- interrupt-controller;
-};