On Thu, Aug 11, 2016 at 05:11:06PM -0700, Stefan Agner wrote:
> Only i.MX 7Dual SoC supports CPU frequencies of up to 1GHz. The i.MX
> 7Solo can run with up to 800MHz and does so without making use of DVFS
> usually. While the device tree clearly specified a too fast operating
> point for i.MX 7Solo, the kernel did not used it in practise so far
> because the CPUfreq driver does not get loaded on i.MX 7Solo devices
> (since the fsl,imx7s compatible string is not in the list of devices
> making use of the cpufreq-dt driver...).
>
> Signed-off-by: Stefan Agner <ste...@agner.ch>
> ---
> Hi Shawn,
>
> This is based on my earlier patchset:
> ARM: dts: imx7d: move ARM platform peripherals inside soc
>
> This are kind of fixes too, so if possible I would like to see them
> in v4.8, what do you think?
Patch "ARM: dts: imx7d: move ARM platform peripherals inside soc node"
is not really a fix, and the diffstat looks too dramatic to be a -rc
material, so I queued it as a -next patch, and any patch based on it
will have to go through -next as well.
Applied for -next, thanks.
Shawn
>
> --
> Stefan
>
> arch/arm/boot/dts/imx7d.dtsi | 8 ++++++++
> arch/arm/boot/dts/imx7s.dtsi | 5 -----
> 2 files changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
> index 3d77d95..d0b199c 100644
> --- a/arch/arm/boot/dts/imx7d.dtsi
> +++ b/arch/arm/boot/dts/imx7d.dtsi
> @@ -45,6 +45,14 @@
>
> / {
> cpus {
> + cpu0: cpu@0 {
> + operating-points = <
> + /* KHz uV */
> + 996000 1075000
> + 792000 975000
> + >;
> + };
> +
> cpu1: cpu@1 {
> compatible = "arm,cortex-a7";
> device_type = "cpu";
> diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> index c63591c..5132e2f 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -85,11 +85,6 @@
> compatible = "arm,cortex-a7";
> device_type = "cpu";
> reg = <0>;
> - operating-points = <
> - /* KHz uV */
> - 996000 1075000
> - 792000 975000
> - >;
> clock-latency = <61036>; /* two CLK32 periods */
> clocks = <&clks IMX7D_CLK_ARM>;
> };
> --
> 2.9.0
>
>
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