As we found in sun9i-a80, CPUCFG is a collection of registers that are mapped to the SoC's signals from each individual processor core and associated peripherals. These registers are used for SMP bringup and CPU hotplugging. Signed-off-by: Mylène Josserand <mylene.josserand@xxxxxxxxxxx> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> --- arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index 568307639be8..32992afa0b12 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi @@ -349,6 +349,11 @@ }; }; + cpucfg@1700000 { + compatible = "allwinner,sun8i-a83t-cpucfg"; + reg = <0x01700000 0x400>; + }; + syscon: syscon@1c00000 { compatible = "allwinner,sun8i-a83t-system-controller", "syscon"; -- 2.11.0