[PATCH 1/3] ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV
Chris Healy
cphealy at gmail.com
Thu Apr 12 07:14:39 PDT 2018
Tested-by: Chris Healy <cphealy at gmail.com>
On Thu, Apr 12, 2018 at 6:15 AM, Lucas Stach <l.stach at pengutronix.de> wrote:
> This bumps the SoC/PU domain operating points by 25mV, giving a total
> of 75mV margin to the minimum required voltages. This gets rid of
> brown-outs seen due to voltage drop-out on the board.
>
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
> arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> index 72f52fcecee1..4bc14b8e9a66 100644
> --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> @@ -263,6 +263,17 @@
> };
> };
>
> +&cpu0 {
> + fsl,soc-operating-points = <
> + /* ARM kHz SOC-PU uV */
> + 1200000 1300000
> + 996000 1275000
> + 852000 1275000
> + 792000 1200000
> + 396000 1200000
> + >;
> +};
> +
> ®_arm {
> vin-supply = <&sw1a_reg>;
> };
> --
> 2.16.3
>
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