[U-Boot] [PATCH 2/2] arm: dts: rk3399-rockpro64: slightly increase center voltage

[Kever Yang]

On 2019/11/7 下午7:11, Soeren Moch wrote:
> The rk3399 VD_CENTER voltage domain is not subject to dynamic voltage
> scaling. So the regulator reset voltage of 0.9V is used on this board.
> Let u-boot initialize the center voltage to 0.95V as it is done for the
> VD_LOGIC domain. This avoids instability and occasional linux kernel
> Opses on this board.
>
> Signed-off-by: Soeren Moch <smoch at web.de>
> =2D--
> Cc: Kever Yang <kever.yang at rock-chips.com>
> Cc: u-boot at lists.denx.de
> =2D--
>   arch/arm/dts/rk3399-rockpro64-u-boot.dtsi | 5 +++++

Reviewed-by: Kever Yang<kever.yang at rock-chips.com>

Thanks,
- Kever
>   1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi b/arch/arm/dts/rk33=
> 99-rockpro64-u-boot.dtsi
> index a073ea25f5..4648513ea9 100644
> =2D-- a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> @@ -11,6 +11,11 @@
>   	};
>   };
>
> +&vdd_center {
> +	regulator-min-microvolt =3D <950000>;
> +	regulator-max-microvolt =3D <950000>;
> +};
> +
>   &vdd_log {
>   	regulator-init-microvolt =3D <950000>;
>   };
> =2D-
> 2.17.1
>
>