Re: [PATCH v6 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file

From: Gregory CLEMENT
Date: Tue Jun 25 2019 - 04:38:39 EST


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