linux-kernel - [PATCH] ARM: dts: rainier: Enable KCS channels 2 and 3

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Message-Id: <20210618060305.4031224-1-andrew@aj.id.au>
Date:   Fri, 18 Jun 2021 15:33:05 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     joel@....id.au
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: rainier: Enable KCS channels 2 and 3

KCS 2 and 3 are used as out-of-band signalling channels between the host
and the BMC on the Rainier platform.

Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
 arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 941c0489479a..38aad878d482 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -1780,3 +1780,14 @@ &xdma {
 	status = "okay";
 	memory-region = <&vga_memory>;
 };
+
+&kcs2 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
+&kcs3 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca2>;
+	aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+};
-- 
2.30.2