[PATCH v1] ARM: dts: aspeed: yosemite4: Add i2c-mux for CPLD IOE on Spider Board
Delphine CC Chiu
Delphine_CC_Chiu at wiwynn.com
Thu Sep 26 12:41:33 AEST 2024
From: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
Add I2C mux for CPLD IOE on Spider Board.
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 | 67 +++++++++++++++++++
1 file changed, 67 insertions(+)
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..ea1a9c765483 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;
+
+ i2c28 = &imux28;
+ i2c29 = &imux29;
};
chosen {
@@ -277,8 +280,72 @@ i2c-mux at 71 {
};
&i2c10 {
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
bus-frequency = <400000>;
+ i2c-mux at 74 {
+ compatible = "nxp,pca9544";
+ reg = <0x74>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ imux28: i2c at 0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio at 20 {
+ compatible = "nxp,pca9506";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio at 21 {
+ compatible = "nxp,pca9506";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio at 22 {
+ compatible = "nxp,pca9506";
+ reg = <0x22>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio at 23 {
+ compatible = "nxp,pca9506";
+ reg = <0x23>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio at 24 {
+ compatible = "nxp,pca9506";
+ reg = <0x24>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "","","","",
+ "NIC0_MAIN_PWR_EN",
+ "NIC1_MAIN_PWR_EN",
+ "NIC2_MAIN_PWR_EN",
+ "NIC3_MAIN_PWR_EN",
+ "","","","","","","","",
+ "","","","","","","","",
+ "","","","","","","","";
+ };
+ };
+
+ imux29: i2c at 1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
};
&i2c11 {
--
2.25.1
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