From: Konstantin Aladyshev <aladyshev22@gmail.com>
Date: Tue, 27 Oct 2020 12:37:21 +0000 (+0300)
Subject: ARM: dts: aspeed: amd-ethanolx: Enable KCS channel 3
X-Git-Tag: accepted/tizen/unified/20230118.172025~8243^2~4^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=efc5dae95a8c272e7737a29fdaecc06d64320717;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: aspeed: amd-ethanolx: Enable KCS channel 3

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@gmail.com>
Reviewed-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20201027123722.2935-2-aladyshev22@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
---

diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
index 89ddc384..2a86bda 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>;