xref: /freebsd/sys/contrib/device-tree/Bindings/clock/gpio-gate-clock.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotBinding for simple gpio gated clock.
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotThis binding uses the common clock binding[1].
4*c66ec88fSEmmanuel Vadot
5*c66ec88fSEmmanuel Vadot[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel VadotRequired properties:
8*c66ec88fSEmmanuel Vadot- compatible : shall be "gpio-gate-clock".
9*c66ec88fSEmmanuel Vadot- #clock-cells : from common clock binding; shall be set to 0.
10*c66ec88fSEmmanuel Vadot- enable-gpios : GPIO reference for enabling and disabling the clock.
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel VadotOptional properties:
13*c66ec88fSEmmanuel Vadot- clocks: Maximum of one parent clock is supported.
14*c66ec88fSEmmanuel Vadot
15*c66ec88fSEmmanuel VadotExample:
16*c66ec88fSEmmanuel Vadot	clock {
17*c66ec88fSEmmanuel Vadot		compatible = "gpio-gate-clock";
18*c66ec88fSEmmanuel Vadot		clocks = <&parentclk>;
19*c66ec88fSEmmanuel Vadot		#clock-cells = <0>;
20*c66ec88fSEmmanuel Vadot		enable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
21*c66ec88fSEmmanuel Vadot	};
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