The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/cirrus,clps711x-mctrl-gpio.txt

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    1 * ARM Cirrus Logic CLPS711X SYSFLG1 MCTRL GPIOs
    2 
    3 Required properties:
    4 - compatible: Should contain "cirrus,ep7209-mctrl-gpio".
    5 - gpio-controller: Marks the device node as a gpio controller.
    6 - #gpio-cells: Should be two. The first cell is the pin number and
    7   the second cell is used to specify the gpio polarity:
    8     0 = Active high,
    9     1 = Active low.
   10 
   11 Example:
   12         sysgpio: sysgpio {
   13                 compatible = "cirrus,ep7312-mctrl-gpio",
   14                              "cirrus,ep7209-mctrl-gpio";
   15                 gpio-controller;
   16                 #gpio-cells = <2>;
   17         };

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