[deliverable/linux.git] / Documentation / devicetree / bindings / clock / arm-integrator.txt

Clock bindings for ARM Integrator and Versatile Core Module clocks

Auxiliary Oscillator Clock

This is a configurable clock fed from a 24 MHz chrystal,
used for generating e.g. video clocks. It is located on the
core module and there is only one of these.

This clock node *must* be a subnode of the core module, since
it obtains the base address for it's address range from its
parent node.


Required properties:
- compatible: must be "arm,integrator-cm-auxosc" or "arm,versatile-cm-auxosc"
- #clock-cells: must be <0>

Optional properties:
- clocks: parent clock(s)

Example:

core-module@10000000 {
	xtal24mhz: xtal24mhz@24M {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
	};
	auxosc: cm_aux_osc@25M {
		#clock-cells = <0>;
		compatible = "arm,integrator-cm-auxosc";
		clocks = <&xtal24mhz>;
	};
};
Commit	Line	Data
f27e861f	1	Clock bindings for ARM Integrator and Versatile Core Module clocks
09c978bc	2
24488c39	3	Auxiliary Oscillator Clock
09c978bc LW	4
	5	This is a configurable clock fed from a 24 MHz chrystal,
	6	used for generating e.g. video clocks. It is located on the
	7	core module and there is only one of these.
	8
	9	This clock node must be a subnode of the core module, since
	10	it obtains the base address for it's address range from its
	11	parent node.
	12
	13
	14	Required properties:
f27e861f	15	- compatible: must be "arm,integrator-cm-auxosc" or "arm,versatile-cm-auxosc"
09c978bc LW	16	- #clock-cells: must be <0>
	17
	18	Optional properties:
	19	- clocks: parent clock(s)
	20
	21	Example:
	22
	23	core-module@10000000 {
	24	xtal24mhz: xtal24mhz@24M {
	25	#clock-cells = <0>;
	26	compatible = "fixed-clock";
	27	clock-frequency = <24000000>;
	28	};
	29	auxosc: cm_aux_osc@25M {
	30	#clock-cells = <0>;
	31	compatible = "arm,integrator-cm-auxosc";
	32	clocks = <&xtal24mhz>;
	33	};
	34	};