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- Binding for TI composite clock.
- Binding status: Unstable - ABI compatibility may be broken in the future
- This binding uses the common clock binding[1]. It assumes a
- register-mapped composite clock with multiple different sub-types;
- a multiplexer clock with multiple input clock signals or parents, one
- of which can be selected as output, this behaves exactly as [2]
- an adjustable clock rate divider, this behaves exactly as [3]
- a gating function which can be used to enable and disable the output
- clock, this behaves exactly as [4]
- The binding must provide a list of the component clocks that shall be
- merged to this clock. The component clocks shall be of one of the
- "ti,*composite*-clock" types.
- [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
- [2] Documentation/devicetree/bindings/clock/ti/mux.txt
- [3] Documentation/devicetree/bindings/clock/ti/divider.txt
- [4] Documentation/devicetree/bindings/clock/ti/gate.txt
- Required properties:
- - compatible : shall be: "ti,composite-clock"
- - clocks : link phandles of component clocks
- - #clock-cells : from common clock binding; shall be set to 0.
- Examples:
- usb_l4_gate_ick: usb_l4_gate_ick {
- #clock-cells = <0>;
- compatible = "ti,composite-interface-clock";
- clocks = <&l4_ick>;
- ti,bit-shift = <5>;
- reg = <0x0a10>;
- };
- usb_l4_div_ick: usb_l4_div_ick {
- #clock-cells = <0>;
- compatible = "ti,composite-divider-clock";
- clocks = <&l4_ick>;
- ti,bit-shift = <4>;
- ti,max-div = <1>;
- reg = <0x0a40>;
- ti,index-starts-at-one;
- };
- usb_l4_ick: usb_l4_ick {
- #clock-cells = <0>;
- compatible = "ti,composite-clock";
- clocks = <&usb_l4_gate_ick>, <&usb_l4_div_ick>;
- };
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