On Wed, Feb 28, 2024 at 4:55 PM Frank Li <Frank.Li@xxxxxxx> wrote: > + modem_reset: modem-reset { > + compatible = "gpio-reset"; I don't see this compatible documented. > + reset-gpios = <&pca6416_2 0 GPIO_ACTIVE_LOW>; > + reset-delay-us = <2000>; > + reset-post-delay-ms = <40>; > + #reset-cells = <0>; > + }; > + > + m2_uart1_sel: fixedregulator@101 { Why is this @101 here? You should remove it. Passing a unit address without a corresponding reg entry triggers a dt-schema warning. We want less warnings dt-schema warnings, not more :-)