Missing of this regulator caused the kernel to stop on loading pwm-regulator and rk808-regulator modules.

--- ../u-boot-master.orig/arch/arm/dts/rk3399-firefly-u-boot.dtsi 2020-11-26 15:30:37.972005178 +0100 +++ ../u-boot-master/arch/arm/dts/rk3399-firefly-u-boot.dtsi 2020-12-03 16:39:42.843959966 +0100 @@ -11,3 +11,7 @@ u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc; }; }; + +&vdd_log { + regulator-init-microvolt = <1100000>; +};

-- Sent from: http://u-boot.10912.n7.nabble.com/