[PATCH 5/6] ARM: dts: imx27 cpufreq-cpu0 frequencies
Shawn Guo
shawn.guo at linaro.org
Fri Jun 21 12:44:08 EST 2013
On Thu, Jun 20, 2013 at 04:50:14PM +0200, Markus Pargmann wrote:
> Set operating-points for imx27. There is no regulator support, so the
> voltages are 0. The frequencies should be the same for all imx27 boards,
> so it is defined here and can be overwritten if necessary.
>
> Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
> ---
> arch/arm/boot/dts/imx27.dtsi | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
> index e883e77..3ebd98a 100644
> --- a/arch/arm/boot/dts/imx27.dtsi
> +++ b/arch/arm/boot/dts/imx27.dtsi
> @@ -47,6 +47,25 @@
> };
> };
>
> + cpus {
> + #size-cells = <0>;
> + #address-cells = <1>;
> +
> + cpu at 0 {
> + device_type = "cpu";
> + compatible = "fsl,imx27", "arm,arm926ejs";
>From what Documentation/devicetree/bindings/arm/cpus.txt tells, it
should be "arm,arm926". Also, why do you put "fsl,imx27" there?
"imx27" is a SoC name not cpu core.
Shawn
> + reg = <0>;
> + operating-points = <
> + /* kHz uV (No regulator support) */
> + 133000 0
> + 399000 0
> + >;
> + clock-latency = <61036>; /* two CLK32 periods */
> + clocks = <&clks 18>;
> + clock-names = "cpu";
> + };
> + };
> +
> soc {
> #address-cells = <1>;
> #size-cells = <1>;
> --
> 1.8.2.1
>
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