If a node has unit name, then the node must include the reg/ranges property. This rule is not followed in the usb_serdes_mux node. Warning is fixed by adding the reg property to the usb_serdes_mux node. Fixes: 4716053a0a7be ("arm64: dts: ti: k3-j721e-main.dtsi: Add USB to SERDES MUX") Signed-off-by: Thejasvi Konduru <t-konduru@xxxxxx> --- arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi index c935622f0102..c73f1bbadf44 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi @@ -64,6 +64,7 @@ usb_serdes_mux: mux-controller@4000 { compatible = "mmio-mux"; #mux-control-cells = <1>; + reg = <0x4000 0x14>; mux-reg-masks = <0x4000 0x8000000>, /* USB0 to SERDES0/3 mux */ <0x4010 0x8000000>; /* USB1 to SERDES1/2 mux */ }; -- 2.17.1