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-Bindings for the Western Digital's MyBook Live memory-mapped GPIO controllers.
-
-The Western Digital MyBook Live has two memory-mapped GPIO controllers.
-Both GPIO controller only have a single 8-bit data register, where GPIO
-state can be read and/or written.
-
-Required properties:
- - compatible: should be "wd,mbl-gpio"
- - reg-names: must contain
- "dat" - data register
- - reg: address + size pairs describing the GPIO register sets;
- order must correspond with the order of entries in reg-names
- - #gpio-cells: must be set to 2. The first cell is the pin number and
- the second cell is used to specify the gpio polarity:
- 0 = active high
- 1 = active low
- - gpio-controller: Marks the device node as a gpio controller.
-
-Optional properties:
- - no-output: GPIOs are read-only.
-
-Examples:
- gpio0: gpio0@e0000000 {
- compatible = "wd,mbl-gpio";
- reg-names = "dat";
- reg = <0xe0000000 0x1>;
- #gpio-cells = <2>;
- gpio-controller;
- };
-
- gpio1: gpio1@e0100000 {
- compatible = "wd,mbl-gpio";
- reg-names = "dat";
- reg = <0xe0100000 0x1>;
- #gpio-cells = <2>;
- gpio-controller;
- no-output;
- };