Hi Rob, On jeu., mars 28 2019, Rob Herring <robh@xxxxxxxxxx> wrote: > On Mon, Mar 25, 2019 at 01:47:58PM +0100, Gregory CLEMENT wrote: >> 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> >> --- >> .../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..ceeba18b4ac3 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. >> + >> +Optional property: >> + - reg: register range associated the cluser clocks > > reg can be optional to use, but should either be there or not. OK so let's remove it! Thanks, Grégory > > And there's a typo. > >> + >> +ap_syscon1: system-controller@6f8000 { >> + compatible = "syscon", "simple-mfd"; >> + reg = <0x6f8000 0x1000>; >> + >> + cpu_clk: clock-cpu { >> + compatible = "marvell,ap806-cpu-clock"; >> + clocks = <&ap_clk 0>, <&ap_clk 1>; >> + #clock-cells = <1>; >> + }; >> +}; >> -- >> 2.20.1 >> -- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com