[PATCH v2 1/3] ARM: dts: berlin2q: add the Marvell Armada 1500 pro
Alexandre Belloni
alexandre.belloni at free-electrons.com
Fri Mar 14 07:32:02 EDT 2014
On 14/03/2014 at 10:31:55 +0100, Sebastian Hesselbarth wrote :
> On 03/13/2014 03:06 PM, Antoine Ténart wrote:
> >+ local-timer at ad0600 {
> >+ compatible = "arm,cortex-a9-twd-timer";
> >+ reg = <0xad0600 0x20>;
> >+ clocks = <&sysclk>;
>
> If I understand Jisheng correctly, this should be cpuclk/3. When
> removing the clocks {} container above, please also take care of
> it.
>
You understood correctly
> You can do
>
> cpuclk: cpu-clock {
> compatible = "fixed-clock";
> #clock-cells = <0>;
> clock-frequency = <1200000000>; /* <- put correct freq here */
> };
>
> sysclk: system-clock {
> compatible = "fixed-factor-clock";
> #clock-cells = <0>;
> clocks = <&cpuclk>;
> clock-multi = <1>;
> clock-div = <3>;
> };
>
> Hopefully, we'll have proper clock drivers soon so we can just replace
> referenced "fixed-*" clocks.
>
I'm working on that, do you have some code that you can share right now ?
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
More information about the linux-arm-kernel
mailing list