The FPGA is not really a bus but more like an MFD device. Change the compatible string from "simple-bus" to "simple-mfd". This also fix a node name issue with simple-bus schema. Signed-off-by: Li Yang <leoyang.li@xxxxxxx> --- arch/arm/boot/dts/ls1021a-qds.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ls1021a-qds.dts b/arch/arm/boot/dts/ls1021a-qds.dts index 6e469b46229f..f1acb97aee69 100644 --- a/arch/arm/boot/dts/ls1021a-qds.dts +++ b/arch/arm/boot/dts/ls1021a-qds.dts @@ -205,7 +205,7 @@ nand@2,0 { fpga: board-control@3,0 { #address-cells = <1>; #size-cells = <1>; - compatible = "simple-bus"; + compatible = "simple-mfd"; reg = <0x3 0x0 0x0000100>; bank-width = <1>; device-width = <1>; -- 2.25.1