Re: [PATCH] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU

From: Martin Kepplinger
Date: Mon Mar 23 2020 - 15:18:04 EST


On 19.03.20 17:46, Guido GÃnther wrote:
> According to the imx8mq data sheet running VDD_GPU at 0.9V is enough
> when not overclocking to 1GHz (which we currently don't do).
>
> Signed-off-by: Guido GÃnther <agx@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> index c47a26cf8e43..736b250bc9c2 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> @@ -318,7 +318,7 @@
> regulator-min-microvolt = <700000>;
> regulator-max-microvolt = <1300000>;
> regulator-always-on;
> - rohm,dvs-run-voltage = <1000000>;
> + rohm,dvs-run-voltage = <900000>;
> };
>
> buck4_reg: BUCK4 {
>


since I'm running this now:

Tested-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>

thanks