linux-kernel - [PATCH] ARM: dts: aspeed: catalina: Enable MCTP for frontend NIC management

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Message-Id: <20250611-catalina-mctp-i2c-10-15-v1-1-2a882e461ed9@gmail.com>
Date: Wed, 11 Jun 2025 01:02:09 +0800
From: Potin Lai <potin.lai.pt@...il.com>
To: Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>, 
 Patrick Williams <patrick@...cx.xyz>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Cosmo Chou <cosmo.chou@...ntatw.com>, Potin Lai <potin.lai@...ntatw.com>, 
 Potin Lai <potin.lai.pt@...il.com>
Subject: [PATCH] ARM: dts: aspeed: catalina: Enable MCTP for frontend NIC
 management

Add the `mctp-controller` property and MCTP nodes to enable support for
frontend NIC management via PLDM over MCTP.

Signed-off-by: Potin Lai <potin.lai.pt@...il.com>
---
Add the mctp-controller property and MCTP nodes to enable support for
frontend NIC management via PLDM over MCTP.
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
index 5fb67ad2d777..8d786510167f 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -797,6 +797,12 @@ eeprom@56 {
 
 &i2c10 {
 	status = "okay";
+	multi-master;
+	mctp-controller;
+	mctp@10 {
+		compatible = "mctp-i2c-controller";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+	};
 
 	// OCP NIC0 TEMP
 	temperature-sensor@1f {
@@ -926,6 +932,12 @@ io_expander14: gpio@15 {
 
 &i2c15 {
 	status = "okay";
+	multi-master;
+	mctp-controller;
+	mctp@10 {
+		compatible = "mctp-i2c-controller";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+	};
 
 	// OCP NIC1 TEMP
 	temperature-sensor@1f {

---
base-commit: 4d75f5c664195b970e1cd2fd25b65b5eff257a0a
change-id: 20250611-catalina-mctp-i2c-10-15-9b7e94460bf8

Best regards,
-- 
Potin Lai <potin.lai.pt@...il.com>