[PATCH v8 01/23] ARM: dts: aspeed: yosemite4: Revise i2c-mux devices

Delphine CC Chiu Delphine_CC_Chiu at wiwynn.com
Thu May 23 01:03:06 PDT 2024


Revise Yosemite 4 devicetree for devices behind i2c-mux
- Add gpio and eeprom behind i2c-mux
- Remove redundant idle-state setting for i2c-mux

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu at wiwynn.com>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 381 ++++++++++++++++--
 1 file changed, 347 insertions(+), 34 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..66855efa0b4b 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 +17,25 @@ aliases {
 		serial6 = &uart7;
 		serial7 = &uart8;
 		serial8 = &uart9;
+
+		i2c16 = &imux16;
+		i2c17 = &imux17;
+		i2c18 = &imux18;
+		i2c19 = &imux19;
+		i2c20 = &imux20;
+		i2c21 = &imux21;
+		i2c22 = &imux22;
+		i2c23 = &imux23;
+		i2c24 = &imux24;
+		i2c25 = &imux25;
+		i2c26 = &imux26;
+		i2c27 = &imux27;
+		i2c28 = &imux28;
+		i2c29 = &imux29;
+		i2c30 = &imux30;
+		i2c31 = &imux31;
+		i2c32 = &imux32;
+		i2c33 = &imux33;
 	};
 
 	chosen {
@@ -259,9 +278,109 @@ &i2c8 {
 	bus-frequency = <400000>;
 	i2c-mux at 70 {
 		compatible = "nxp,pca9544";
-		idle-state = <0>;
 		i2c-mux-idle-disconnect;
 		reg = <0x70>;
+
+		imux16: i2c at 0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux17: i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux18: i2c at 2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux19: i2c at 3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
 	};
 };
 
@@ -270,15 +389,174 @@ &i2c9 {
 	bus-frequency = <400000>;
 	i2c-mux at 71 {
 		compatible = "nxp,pca9544";
-		idle-state = <0>;
 		i2c-mux-idle-disconnect;
 		reg = <0x71>;
+
+		imux20: i2c at 0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux21: i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux22: i2c at 2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
+
+		imux23: i2c at 3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+
+			gpio at 49 {
+				compatible = "nxp,pca9537";
+				reg = <0x49>;
+			};
+
+			eeprom at 50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
+
+			eeprom at 51 {
+				compatible = "atmel,24c128";
+				reg = <0x51>;
+			};
+
+			eeprom at 54 {
+				compatible = "atmel,24c128";
+				reg = <0x54>;
+			};
+		};
 	};
 };
 
 &i2c10 {
 	status = "okay";
 	bus-frequency = <400000>;
+	i2c-mux at 74 {
+		compatible = "nxp,pca9544";
+		i2c-mux-idle-disconnect;
+		reg = <0x74>;
+
+		imux28: i2c at 0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <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 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+	};
 };
 
 &i2c11 {
@@ -440,16 +718,14 @@ eeprom at 51 {
 		reg = <0x51>;
 	};
 
-	i2c-mux at 71 {
-		compatible = "nxp,pca9846";
+	i2c-mux at 74 {
+		compatible = "nxp,pca9546";
 		#address-cells = <1>;
 		#size-cells = <0>;
-
-		idle-state = <0>;
 		i2c-mux-idle-disconnect;
-		reg = <0x71>;
+		reg = <0x74>;
 
-		i2c at 0 {
+		imux30: i2c at 0 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0>;
@@ -457,26 +733,26 @@ i2c at 0 {
 			adc at 1f {
 				compatible = "ti,adc128d818";
 				reg = <0x1f>;
-				ti,mode = /bits/ 8 <2>;
+				ti,mode = /bits/ 8 <1>;
 			};
 
 			pwm at 20{
-				compatible = "max31790";
+				compatible = "maxim,max31790";
+				pwm-as-tach = <4 5>;
 				reg = <0x20>;
-				#address-cells = <1>;
-				#size-cells = <0>;
 			};
 
 			gpio at 22{
 				compatible = "ti,tca6424";
 				reg = <0x22>;
+				gpio-controller;
+				#gpio-cells = <2>;
 			};
 
-			pwm at 23{
-				compatible = "max31790";
-				reg = <0x23>;
-				#address-cells = <1>;
-				#size-cells = <0>;
+			pwm at 2f{
+				compatible = "maxim,max31790";
+				pwm-as-tach = <4 5>;
+				reg = <0x2f>;
 			};
 
 			adc at 33 {
@@ -499,34 +775,34 @@ gpio at 61 {
 			};
 		};
 
-		i2c at 1 {
+		imux31: i2c at 1 {
 			#address-cells = <1>;
 			#size-cells = <0>;
-			reg = <0>;
+			reg = <1>;
 
 			adc at 1f {
 				compatible = "ti,adc128d818";
 				reg = <0x1f>;
-				ti,mode = /bits/ 8 <2>;
+				ti,mode = /bits/ 8 <1>;
 			};
 
 			pwm at 20{
-				compatible = "max31790";
+				compatible = "maxim,max31790";
+				pwm-as-tach = <4 5>;
 				reg = <0x20>;
-				#address-cells = <1>;
-				#size-cells = <0>;
 			};
 
 			gpio at 22{
 				compatible = "ti,tca6424";
 				reg = <0x22>;
+				gpio-controller;
+				#gpio-cells = <2>;
 			};
 
-			pwm at 23{
-				compatible = "max31790";
-				reg = <0x23>;
-				#address-cells = <1>;
-				#size-cells = <0>;
+			pwm at 2f{
+				compatible = "maxim,max31790";
+				pwm-as-tach = <4 5>;
+				reg = <0x2f>;
 			};
 
 			adc at 33 {
@@ -554,12 +830,10 @@ i2c-mux at 73 {
 		compatible = "nxp,pca9544";
 		#address-cells = <1>;
 		#size-cells = <0>;
-
-		idle-state = <0>;
 		i2c-mux-idle-disconnect;
 		reg = <0x73>;
 
-		i2c at 0 {
+		imux32: i2c at 0 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0>;
@@ -570,10 +844,10 @@ adc at 35 {
 			};
 		};
 
-		i2c at 1 {
+		imux33: i2c at 1 {
 			#address-cells = <1>;
 			#size-cells = <0>;
-			reg = <0>;
+			reg = <1>;
 
 			adc at 35 {
 				compatible = "maxim,max11617";
@@ -596,9 +870,48 @@ mctp at 10 {
 
 	i2c-mux at 72 {
 		compatible = "nxp,pca9544";
-		idle-state = <0>;
 		i2c-mux-idle-disconnect;
 		reg = <0x72>;
+
+		imux24: i2c at 0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			temperature-sensor at 1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+		};
+
+		imux25: i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			temperature-sensor at 1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+		};
+
+		imux26: i2c at 2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			temperature-sensor at 1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+		};
+
+		imux27: i2c at 3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			temperature-sensor at 1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+		};
 	};
 };
 
-- 
2.25.1




More information about the linux-arm-kernel mailing list