[PATCH v7 07/11] ARM: dts: aspeed: anacapa: Enable MCTP and FRU for NIC
Colin Huang via B4 Relay
devnull+u8813345.gmail.com at kernel.org
Tue Sep 1 05:15:22 PDT 2026
From: Andy Chung <Andy.Chung at amd.com>
Add the mctp-controller property to enable frontend NIC management
via PLDM over MCTP.
Also add EEPROM device for NIC FRU and reorder the I2C virtual bus
index accroding to the system silkscreen index.
Signed-off-by: Andy Chung <Andy.Chung at amd.com>
---
.../aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi | 137 +++++++++++++++++++++
1 file changed, 137 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
index 83b3b99ceccb..c0b2976ad9e9 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
@@ -3,6 +3,25 @@
/dts-v1/;
#include "aspeed-bmc-facebook-anacapa-evt1.dtsi"
+&{/aliases} {
+ i2c36 = &i2c11mux0ch5;
+ i2c37 = &i2c11mux0ch6;
+ i2c38 = &i2c11mux0ch7;
+ i2c39 = &i2c11mux0ch0;
+ i2c40 = &i2c11mux0ch1;
+ i2c41 = &i2c11mux0ch2;
+ i2c42 = &i2c11mux0ch3;
+ i2c43 = &i2c11mux0ch4;
+ i2c44 = &i2c10mux0ch1;
+ i2c45 = &i2c10mux0ch2;
+ i2c46 = &i2c10mux0ch3;
+ i2c47 = &i2c10mux0ch4;
+ i2c48 = &i2c10mux0ch5;
+ i2c49 = &i2c10mux0ch6;
+ i2c50 = &i2c10mux0ch7;
+ i2c51 = &i2c10mux0ch0;
+};
+
// MB - PDB
&i2c8 {
i2c-mux at 72 {
@@ -51,6 +70,124 @@ eeprom at 51 {
};
};
+// R Bridge Board
+&i2c10 {
+ multi-master;
+
+ mctp at 10 {
+ compatible = "mctp-i2c-controller";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ };
+
+ i2c-mux at 71 {
+ /delete-property/ i2c-mux-idle-disconnect;
+
+ i2c10mux0ch1: i2c at 1 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c10mux0ch2: i2c at 2 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c10mux0ch3: i2c at 3 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c10mux0ch4: i2c at 4 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+ };
+};
+
+// L Bridge Board
+&i2c11 {
+ multi-master;
+
+ mctp at 10 {
+ compatible = "mctp-i2c-controller";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ };
+
+ i2c-mux at 71 {
+ /delete-property/ i2c-mux-idle-disconnect;
+
+ i2c11mux0ch0: i2c at 0 {
+ mctp-controller;
+ // FE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c11mux0ch1: i2c at 1 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c11mux0ch2: i2c at 2 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c11mux0ch3: i2c at 3 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+
+ i2c11mux0ch4: i2c at 4 {
+ mctp-controller;
+ // BE NIC FRU
+
+ eeprom at 50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ };
+ };
+};
+
// MB
&i2c13 {
i2c-mux at 70 {
--
2.34.1
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