The range of dcfg reg is wrong, which overlap with other device, such as rcpm. This issue causing rcpm driver failed to claim reg resource when calling devm_ioremap_resource(). Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx> --- arch/arm/boot/dts/ls1021a.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index e372630f..286c547 100644 --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -173,7 +173,7 @@ dcfg: dcfg@1ee0000 { compatible = "fsl,ls1021a-dcfg", "syscon"; - reg = <0x0 0x1ee0000 0x0 0x10000>; + reg = <0x0 0x1ee0000 0x0 0x1000>; big-endian; }; -- 2.7.4