1 Synopsys GPIO via CREG (Control REGisters) dri
2
3 Required properties:
4 - compatible : "snps,creg-gpio-hsdk" or "snps,
5 - reg : Exactly one register range with length
6 - #gpio-cells : Since the generic GPIO binding
7 amount of cells must be specified as 2. The
8 pin number, the second cell is used to speci
9 See "gpio-specifier" in .../devicetree/bindi
10 - gpio-controller : Marks the device node as a
11 - ngpios: Number of GPIO pins.
12
13 Example:
14
15 gpio: gpio@f00014b0 {
16 compatible = "snps,creg-gpio-hsdk";
17 reg = <0xf00014b0 0x4>;
18 gpio-controller;
19 #gpio-cells = <2>;
20 ngpios = <2>;
21 };
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