// SPDX-License-Identifier: (GPL-2.0+ OR MIT) #include "rk356x-u-boot.dtsi" / { chosen { u-boot,spl-boot-order = &sdmmc0, &sdhci; }; /* * Adding fixed regulator to work around driver regulator * requirements. Note that the correct regulator is on by * default at boot and that saradc regulator gets corrected * when proper device-tree is loaded. */ vcc_1v8_dummy: vcc-1v8-dummy { bootph-pre-ram; bootph-some-ram; compatible = "regulator-fixed"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc_1v8_dummy"; status = "okay"; }; }; &saradc { bootph-pre-ram; bootph-some-ram; vref-supply = <&vcc_1v8_dummy>; status = "okay"; };