Hello Rob, > Document the device tree binding for the cluster clock controllers found > in the Armada 7K/8K SoCs. > > Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx> Did you have the opportunity to have a look on this binding ? I think that I completely follow your requirement now. Thanks, Gregory > --- > .../arm/marvell/ap806-system-controller.txt | 25 +++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt > index 7b8b8eb0191f..4a3bb9c12312 100644 > --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt > +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt > @@ -143,3 +143,28 @@ ap_syscon1: system-controller@6f8000 { > #thermal-sensor-cells = <1>; > }; > }; > + > +Cluster clocks: > +--------------- > + > +Device Tree Clock bindings for cluster clock of AP806 Marvell. Each > +cluster contain up to 2 CPUs running at the same frequency. > + > +Required properties: > +- compatible: must be "marvell,ap806-cpu-clock"; > +- #clock-cells : should be set to 1. > +- clocks : shall be the input parents clock phandle for the clock. > +- reg: register range associated with the cluster clocks > + > + > +ap_syscon1: system-controller@6f8000 { > + compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd"; > + reg = <0x6f8000 0x1000>; > + > + cpu_clk: clock-cpu@0 { > + compatible = "marvell,ap806-cpu-clock"; > + clocks = <&ap_clk 0>, <&ap_clk 1>; > + #clock-cells = <1>; > + reg = <0x274 0xa30>; > + }; > +}; > -- > 2.20.1 > -- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com