linux-kernel - [PATCH v2 3/3] ARM: dts: aspeed: mtmitchell: Add MCTP

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Message-Id: <20230519085200.22020-4-chanh@os.amperecomputing.com>
Date:   Fri, 19 May 2023 15:52:00 +0700
From:   Chanh Nguyen <chanh@...amperecomputing.com>
To:     OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Chanh Nguyen <chanh@...amperecomputing.com>
Subject: [PATCH v2 3/3] ARM: dts: aspeed: mtmitchell: Add MCTP

Enable MCTP driver on I2C3 bus for MCTP transaction

Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
---
Changes in v2:
   - Update reg for mctp node.                       [Andrew]
---
 arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
index d3c7e7c0fd25..c0316c198a88 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
@@ -366,6 +366,13 @@
 
 &i2c3 {
 	status = "okay";
+	bus-frequency = <1000000>;
+	multi-master;
+	mctp-controller;
+	mctp@10 {
+		compatible = "mctp-i2c-controller";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+	};
 };
 
 &i2c4 {
-- 
2.17.1