[PATCH] rockchip: rk3399-puma: Restore correct VDD_LOG supply.

Heiko Stuebner heiko.stuebner at theobroma-systems.com
Fri Feb 19 11:14:28 CET 2021


Am Freitag, 19. Februar 2021, 01:29:48 CET schrieb Christoph Muellner:
> A commit from last year re-imported the DTS files form the upstream kernel.
> By doing so the VDD_LOG regulator in the board's DTS was dropped.
> Let's restore this, but move it into the u-boot overlay to prevent this
> issue in the future.
> 
> Fixes: 167efc2c7a46 ("arm64: dts: rk3399: Sync v5.7-rc1 from Linux")
> Signed-off-by: Christoph Muellner <christoph.muellner at theobroma-systems.com>

Reviewed-by: Heiko Stuebner <heiko.stuebner at theobroma-systems.com>

> 
> ---
> 
>  arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
> index e7a1aea3a56..e0476ab25c9 100644
> --- a/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-puma-haikou-u-boot.dtsi
> @@ -48,6 +48,18 @@
>  		regulator-min-microvolt = <1800000>;
>  		regulator-max-microvolt = <1800000>;
>  	};
> +
> +	vdd_log: vdd-log {
> +		compatible = "pwm-regulator";
> +		pwms = <&pwm2 0 25000 1>;
> +		regulator-name = "vdd_log";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <800000>;
> +		regulator-max-microvolt = <1400000>;
> +		regulator-init-microvolt = <950000>;
> +		vin-supply = <&vcc5v0_sys>;
> +	};
>  };
>  
>  &gpio1 {
> 






More information about the U-Boot mailing list