1 Cirrus Logic CLPS711X GPIO controller
4 - compatible: Should be "cirrus,clps711x-gpio"
5 - reg: Physical base GPIO controller registers location and length.
6 There should be two registers, first is DATA register, the second
8 - gpio-controller: Marks the device node as a gpio controller.
9 - #gpio-cells: Should be two. The first cell is the pin number and
10 the second cell is used to specify the gpio polarity:
14 Note: Each GPIO port should have an alias correctly numbered in "aliases"
23 porta: gpio@80000000 {
24 compatible = "cirrus,clps711x-gpio";
25 reg = <0x80000000 0x1>, <0x80000040 0x1>;