Re: [PATCH 1/3]: Support cpu frequency scaling and power management for iMX6SL

[Shawn Guo <shawn.guo@xxxxxxxxxx>]

On Mon, Dec 16, 2013 at 05:40:15PM -0800, John Tobias wrote:
> iMX6SL device tree doesn't have a configuration settings to enable the
> frequency scaling and power management.
> 
> From: John Tobias <john.tobias.ph@xxxxxxxxx>

Please use 'git format-patch' and 'git send-email'.  Also, it's never
been a good idea to use the exactly same patch subject for 3 different
changes.

Shawn

> 
> 
> diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
> index 28558f1..0ad2f6a 100644
> --- a/arch/arm/boot/dts/imx6sl.dtsi
> +++ b/arch/arm/boot/dts/imx6sl.dtsi
> @@ -38,6 +38,19 @@
>                         device_type = "cpu";
>                         reg = <0x0>;
>                         next-level-cache = <&L2>;
> +                       operating-points = <
> +                               /* kHz    uV */
> +                               1000000 1275000
> +                               792000  1150000
> +                       >;
> +                       clock-latency = <61036>; /* two CLK32 periods */
> +                       clocks = <&clks IMX6SL_CLK_ARM>, <&clks
> IMX6SL_CLK_PLL2_PFD2>, <&clks IMX6SL_CLK_STEP>,
> +                                <&clks IMX6SL_CLK_PLL1_SW>, <&clks
> IMX6SL_CLK_PLL1_SYS>;
> +                       clock-names = "arm", "pll2_pfd2_396m", "step",
> +                                     "pll1_sw", "pll1_sys";
> +                       arm-supply = <&reg_arm>;
> +                       pu-supply = <&reg_pu>;
> +                       soc-supply = <&reg_soc>;
>                 };
>         };

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