On 28/11/2023 07:11, Jacky Huang wrote: > From: Jacky Huang <ychuang3@xxxxxxxxxxx> > ... > > sys: system-management@40460000 { > - compatible = "nuvoton,ma35d1-reset"; > + compatible = "nuvoton,ma35d1-reset", "syscon"; > reg = <0x0 0x40460000 0x0 0x200>; > #reset-cells = <1>; > }; > @@ -95,6 +96,162 @@ clk: clock-controller@40460200 { > clocks = <&clk_hxt>; > }; > > + pinctrl: pinctrl@40040000 { > + compatible = "nuvoton,ma35d1-pinctrl"; > + #address-cells = <1>; > + #size-cells = <1>; > + nuvoton,sys = <&sys>; > + ranges = <0x0 0x0 0x40040000 0xc00>; > + > + gpioa: gpio@40040000 { > + reg = <0x0 0x40>; Your unit address does not match reg. You must test your DTS with `dtbs_check W=1`. > + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clk GPA_GATE>; > + gpio-controller; > + #gpio-cells = <2>; Best regards, Krzysztof