[PATCH v1 1/5] ARM: dts: aspeed: yosemite4: Add i2c-mux for two fan boards

From: Delphine CC Chiu
Date: Wed Sep 25 2024 - 23:28:58 EST


From: Ricky CX Wu <ricky.cx.wu.wiwynn@xxxxxxxxx>

Change the address of the I2C mux for two fan boards to 0x74
according to schematic.

Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@xxxxxxxxx>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
---
.../aspeed/aspeed-bmc-facebook-yosemite4.dts | 81 ++++++++++---------
1 file changed, 44 insertions(+), 37 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 98477792aa00..04f6378c2b5f 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -17,6 +17,9 @@ aliases {
serial6 = &uart7;
serial7 = &uart8;
serial8 = &uart9;
+
+ i2c30 = &imux30;
+ i2c31 = &imux31;
};

chosen {
@@ -380,6 +383,8 @@ ipmb@10 {
};

&i2c14 {
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
bus-frequency = <400000>;
adc@1d {
@@ -440,20 +445,50 @@ eeprom@51 {
reg = <0x51>;
};

- i2c-mux@71 {
- compatible = "nxp,pca9846";
+ i2c-mux@73 {
+ compatible = "nxp,pca9544";
#address-cells = <1>;
#size-cells = <0>;

idle-state = <0>;
i2c-mux-idle-disconnect;
- reg = <0x71>;
+ reg = <0x73>;

i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;

+ adc@35 {
+ compatible = "maxim,max11617";
+ reg = <0x35>;
+ };
+ };
+
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ adc@35 {
+ compatible = "maxim,max11617";
+ reg = <0x35>;
+ };
+ };
+ };
+
+ i2c-mux@74 {
+ compatible = "nxp,pca9546";
+ reg = <0x74>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ imux30: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
adc@1f {
compatible = "ti,adc128d818";
reg = <0x1f>;
@@ -470,6 +505,8 @@ pwm@20{
gpio@22{
compatible = "ti,tca6424";
reg = <0x22>;
+ gpio-controller;
+ #gpio-cells = <2>;
};

pwm@23{
@@ -499,10 +536,10 @@ gpio@61 {
};
};

- i2c@1 {
+ imux31: i2c@1 {
+ reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
- reg = <0>;

adc@1f {
compatible = "ti,adc128d818";
@@ -520,6 +557,8 @@ pwm@20{
gpio@22{
compatible = "ti,tca6424";
reg = <0x22>;
+ gpio-controller;
+ #gpio-cells = <2>;
};

pwm@23{
@@ -549,38 +588,6 @@ gpio@61 {
};
};
};
-
- i2c-mux@73 {
- compatible = "nxp,pca9544";
- #address-cells = <1>;
- #size-cells = <0>;
-
- idle-state = <0>;
- i2c-mux-idle-disconnect;
- reg = <0x73>;
-
- i2c@0 {
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <0>;
-
- adc@35 {
- compatible = "maxim,max11617";
- reg = <0x35>;
- };
- };
-
- i2c@1 {
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <0>;
-
- adc@35 {
- compatible = "maxim,max11617";
- reg = <0x35>;
- };
- };
- };
};

&i2c15 {
--
2.25.1