On Thu, May 30, 2019 at 6:45 AM <Anson.Huang@xxxxxxx> wrote: > + gpio1: gpio@30200000 { > + compatible = "fsl,imx8mn-gpio", "fsl,imx35-gpio"; > + reg = <0x30200000 0x10000>; > + interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>; No GPIO clocks entries? > + usbphynop1: usbphynop1 { > + compatible = "usb-nop-xceiv"; > + clocks = <&clk IMX8MN_CLK_USB_PHY_REF>; > + assigned-clocks = <&clk IMX8MN_CLK_USB_PHY_REF>; > + assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_100M>; > + clock-names = "main_clk"; > + }; usbphynop1 does not have any registers associated, so it should be placed outside the soc. Building with W=1 should warn you about that. > + usbphynop2: usbphynop2 { > + compatible = "usb-nop-xceiv"; > + clocks = <&clk IMX8MN_CLK_USB_PHY_REF>; > + assigned-clocks = <&clk IMX8MN_CLK_USB_PHY_REF>; > + assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_100M>; > + clock-names = "main_clk"; > + }; > + Ditto