The KCS interface on the LPC channel 3 in the controller is used for the in-band BMC<->BIOS IPMI communication. 0xCA2 is a default host CPU LPC IO address for this interface. Signed-off-by: Konstantin Aladyshev <aladyshev22@xxxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts index 89ddc3847222..2a86bda8afd8 100644 --- a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts +++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts @@ -147,6 +147,11 @@ aspeed,lpc-io-reg = <0x62>; }; +&kcs3 { + status = "okay"; + aspeed,lpc-io-reg = <0xCA2>; +}; + &kcs4 { status = "okay"; aspeed,lpc-io-reg = <0x97DE>; -- 2.17.1