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-Bindings for the Broadcom's brcm,bcm6345-gpio memory-mapped GPIO controllers.
-
-These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345
-are the only ones which don't need a pinctrl driver.
-BCM6338 have 8-bit data and dirout registers, where GPIO state can be read
-and/or written, and the direction changed from input to output.
-BCM6345 have 16-bit data and dirout registers, where GPIO state can be read
-and/or written, and the direction changed from input to output.
-
-Required properties:
- - compatible: should be "brcm,bcm6345-gpio"
- - reg-names: must contain
- "dat" - data register
- "dirout" - direction (output) 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:
- - native-endian: use native endian memory.
-
-Examples:
- - BCM6338:
- gpio: gpio-controller@fffe0407 {
- compatible = "brcm,bcm6345-gpio";
- reg-names = "dirout", "dat";
- reg = <0xfffe0407 1>, <0xfffe040f 1>;
-
- #gpio-cells = <2>;
- gpio-controller;
- };
-
- - BCM6345:
- gpio: gpio-controller@fffe0406 {
- compatible = "brcm,bcm6345-gpio";
- reg-names = "dirout", "dat";
- reg = <0xfffe0406 2>, <0xfffe040a 2>;
- native-endian;
-
- #gpio-cells = <2>;
- gpio-controller;
- };