ARM: dts: aspeed: p10bmc: Enable KCS channel 2

Rainier uses KCS channel 2 as the source for the debug-trigger
application outlined at [1] and implemented at [2].

[1] https://github.com/openbmc/docs/blob/master/designs/bmc-service-failure-debug-and-recovery.md
[2] https://github.com/openbmc/debug-trigger

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210623033854.587464-8-andrew@aj.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index 53f8aa5dc1f3e755d1e7c7cda39b42fcdbf5bf05..f42e2d776ba8555d420005c556d3d609d1ef257f 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -3646,6 +3646,11 @@
        memory-region = <&vga_memory>;
 };
 
+&kcs2 {
+       status = "okay";
+       aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
 &kcs3 {
        status = "okay";
        aspeed,lpc-io-reg = <0xca2>;

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 915d33915676680282b0ac053406e6e10fcf4504..496f070a3dc122b5b61ace9b8ab732448032a99f 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -2380,6 +2380,11 @@
        memory-region = <&vga_memory>;
 };
 
+&kcs2 {
+       status = "okay";
+       aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
 &kcs3 {
        status = "okay";
        aspeed,lpc-io-reg = <0xca2>;