On 30/08/2023 13:15, Macpaul Lin wrote: > + > + led { > + compatible = "mediatek,mt6360-led"; > + }; > + > + regulator { > + compatible = "mediatek,mt6360-regulator"; > + LDO_VIN3-supply = <&mt6360_emi_vddq_buck2_reg>; > + > + mt6360_emi_vdd2_buck1_reg: buck1-emi-vdd2 { It does not look like you tested the DTS against bindings. Please run `make dtbs_check W=1` (see Documentation/devicetree/bindings/writing-schema.rst or https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/ for instructions). Best regards, Krzysztof