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And the CONFIG_MFD_SYSCON should be enabled for this. Signed-off-by: Yangbo Lu --- Changes for v2: - None Changes for v3: - Added this patch --- arch/powerpc/boot/dts/fsl/t4240si-post.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi index 68c4ead..5f148b2 100644 --- a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi @@ -941,7 +941,9 @@ /include/ "qoriq-mpic4.3.dtsi" guts: global-utilities@e0000 { - compatible = "fsl,t4240-device-config", "fsl,qoriq-device-config-2.0"; + compatible = "fsl,t4240-device-config", + "fsl,qoriq-device-config-2.0", + "syscon"; reg = <0xe0000 0xe00>; fsl,has-rstcr; fsl,liodn-bits = <12>;