gpio-xlp.txt

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    1 Netlogic XLP Family GPIO
    2 ========================
    3 
    4 This GPIO driver is used for following Netlogic XLP SoCs:
    5         XLP832, XLP316, XLP208, XLP980, XLP532
    6 This GPIO driver is also compatible with GPIO controller found on
    7 Broadcom Vulcan ARM64.
    8 
    9 Required properties:
   10 -------------------
   11 
   12 - compatible: Should be one of the following:
   13   - "netlogic,xlp832-gpio": For Netlogic XLP832
   14   - "netlogic,xlp316-gpio": For Netlogic XLP316
   15   - "netlogic,xlp208-gpio": For Netlogic XLP208
   16   - "netlogic,xlp980-gpio": For Netlogic XLP980
   17   - "netlogic,xlp532-gpio": For Netlogic XLP532
   18   - "brcm,vulcan-gpio": For Broadcom Vulcan ARM64
   19 - reg: Physical base address and length of the controller's registers.
   20 - #gpio-cells: Should be two. The first cell is the pin number and the second
   21   cell is used to specify optional parameters (currently unused).
   22 - gpio-controller: Marks the device node as a GPIO controller.
   23 - nr-gpios: Number of GPIO pins supported by the controller.
   24 - interrupt-cells: Should be two. The first cell is the GPIO Number. The
   25   second cell is used to specify flags. The following subset of flags is
   26   supported:
   27   - trigger type:
   28         1 = low to high edge triggered.
   29         2 = high to low edge triggered.
   30         4 = active high level-sensitive.
   31         8 = active low level-sensitive.
   32 - interrupts: Interrupt number for this device.
   33 - interrupt-controller: Identifies the node as an interrupt controller.
   34 
   35 Example:
   36 
   37         gpio: xlp_gpio@34000 {
   38                 compatible = "netlogic,xlp316-gpio";
   39                 reg = <0 0x34100 0x1000
   40                        0 0x35100 0x1000>;
   41                 #gpio-cells = <2>;
   42                 gpio-controller;
   43                 nr-gpios = <57>;
   44 
   45                 #interrupt-cells = <2>;
   46                 interrupt-parent = <&pic>;
   47                 interrupts = <39>;
   48                 interrupt-controller;
   49         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/gpio/gpio-xlp.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/gpio-xlp.txt