[PATCH v2 03/10] ARM: dts: aspeed: yosemite4: Add i2c-mux for four NICs
Delphine CC Chiu
Delphine_CC_Chiu at wiwynn.com
Tue Oct 1 18:20:45 AEST 2024
From: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
Add i2c-mux on Spider board for four NICs and add the temperature sensor
and EEPROM for the NICs.
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu at wiwynn.com>
---
.../aspeed/aspeed-bmc-facebook-yosemite4.dts | 74 ++++++++++++++++++-
1 file changed, 72 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index ad119e484bb4..b813140b3c5b 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -26,6 +26,10 @@ aliases {
i2c21 = &imux21;
i2c22 = &imux22;
i2c23 = &imux23;
+ i2c24 = &imux24;
+ i2c25 = &imux25;
+ i2c26 = &imux26;
+ i2c27 = &imux27;
i2c34 = &imux34;
i2c35 = &imux35;
};
@@ -1196,6 +1200,8 @@ adc at 35 {
};
&i2c15 {
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
multi-master;
bus-frequency = <400000>;
@@ -1207,9 +1213,73 @@ mctp at 10 {
i2c-mux at 72 {
compatible = "nxp,pca9544";
- idle-state = <0>;
- i2c-mux-idle-disconnect;
reg = <0x72>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ imux24: i2c at 0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mctp-controller;
+ temperature-sensor at 1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+
+ eeprom at 50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ };
+ };
+
+ imux25: i2c at 1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mctp-controller;
+ temperature-sensor at 1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+
+ eeprom at 50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ };
+ };
+
+ imux26: i2c at 2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mctp-controller;
+ temperature-sensor at 1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+
+ eeprom at 50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ };
+ };
+
+ imux27: i2c at 3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mctp-controller;
+ temperature-sensor at 1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+
+ eeprom at 50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ };
+ };
};
};
--
2.25.1
More information about the Linux-aspeed
mailing list