Bindings/clock/armada3700-xtal-clock.txt

   1 * Xtal Clock bindings for Marvell Armada 37xx SoCs
   2
   3 Marvell Armada 37xx SoCs allow to determine the xtal clock frequencies by
   4 reading the gpio latch register.
   5
   6 This node must be a subnode of the node exposing the register address
   7 of the GPIO block where the gpio latch is located.
   8 See Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt
   9
  10 Required properties:
  11 - compatible : shall be one of the following:
  12         "marvell,armada-3700-xtal-clock"
  13 - #clock-cells : from common clock binding; shall be set to 0
  14
  15 Optional properties:
  16 - clock-output-names : from common clock binding; allows overwrite default clock
  17         output names ("xtal")
  18
  19 Example:
  20 pinctrl_nb: pinctrl-nb@13800 {
  21         compatible = "armada3710-nb-pinctrl", "syscon", "simple-mfd";
  22         reg = <0x13800 0x100>, <0x13C00 0x20>;
  23
  24         xtalclk: xtal-clk {
  25                 compatible = "marvell,armada-3700-xtal-clock";
  26                 clock-output-names = "xtal";
  27                 #clock-cells = <0>;
  28         };
  29 };