snps,creg-gpio.txt

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    1 Synopsys GPIO via CREG (Control REGisters) driver
    2 
    3 Required properties:
    4 - compatible : "snps,creg-gpio-hsdk" or "snps,creg-gpio-axs10x".
    5 - reg : Exactly one register range with length 0x4.
    6 - #gpio-cells : Since the generic GPIO binding is used, the
    7   amount of cells must be specified as 2. The first cell is the
    8   pin number, the second cell is used to specify optional parameters:
    9   See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
   10 - gpio-controller : Marks the device node as a GPIO controller.
   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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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/gpio/snps,creg-gpio.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/snps,creg-gpio.txt