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SubjectRe: [PATCH v4 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file
On Thu, Mar 28, 2019 at 06:25:14PM +0100, Gregory CLEMENT wrote:
> Hi Rob,
>
> On jeu., mars 28 2019, Rob Herring <robh@kernel.org> 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@bootlin.com>
> >> ---
> >> .../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!

If you can define what the registers are, then you should have it even
if Linux happens to not care.

Rob

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