[PATCH v5 10/10] ARM: dts: aspeed: catalina: Enable MCTP support for NIC management

From: Potin Lai
Date: Thu Mar 20 2025 - 11:28:34 EST


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

Signed-off-by: Potin Lai <potin.lai.pt@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

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 653afacc7af4..6eb6c5889113 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -186,18 +186,23 @@ flash@1 {

&i2c0 {
status = "okay";
+ multi-master;
+ mctp@10 {
+ compatible = "mctp-i2c-controller";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ };

i2c-mux@71 {
compatible = "nxp,pca9546";
reg = <0x71>;
#address-cells = <1>;
#size-cells = <0>;
- i2c-mux-idle-disconnect;

i2c0mux0ch0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
+ mctp-controller;

// IOB0 NIC0 TEMP
temperature-sensor@1f {
@@ -214,6 +219,7 @@ i2c0mux0ch2: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
+ mctp-controller;

// IOB0 NIC1 TEMP
temperature-sensor@1f {
@@ -305,12 +311,12 @@ i2c-mux@75 {
reg = <0x75>;
#address-cells = <1>;
#size-cells = <0>;
- i2c-mux-idle-disconnect;

i2c0mux3ch0: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
+ mctp-controller;

// IOB1 NIC0 TEMP
temperature-sensor@1f {
@@ -327,6 +333,7 @@ i2c0mux3ch2: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
+ mctp-controller;

// IOB1 NIC1 TEMP
temperature-sensor@1f {

--
2.31.1