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Message-Id: <20240926021051.3782377-1-Delphine_CC_Chiu@wiwynn.com>
Date: Thu, 26 Sep 2024 10:10:50 +0800
From: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To: patrick@...cx.xyz,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...econstruct.com.au>
Cc: Delphine_CC_Chiu@...ynn.com,
Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1] ARM: dts: aspeed: yosemite4: add i2c-mux for all Server Board slots
From: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>
Add i2c mux to 8 slots of server board and add the io expanders and
eeprom for the slots.
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
.../aspeed/aspeed-bmc-facebook-yosemite4.dts | 239 +++++++++++++++++-
1 file changed, 235 insertions(+), 4 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..95ebdf54615d 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 +17,15 @@ aliases {
serial6 = &uart7;
serial7 = &uart8;
serial8 = &uart9;
+
+ i2c16 = &imux16;
+ i2c17 = &imux17;
+ i2c18 = &imux18;
+ i2c19 = &imux19;
+ i2c20 = &imux20;
+ i2c21 = &imux21;
+ i2c22 = &imux22;
+ i2c23 = &imux23;
};
chosen {
@@ -255,24 +264,246 @@ power-sensor@40 {
};
&i2c8 {
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
bus-frequency = <400000>;
i2c-mux@70 {
compatible = "nxp,pca9544";
- idle-state = <0>;
- i2c-mux-idle-disconnect;
reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ imux16: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux17: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux18: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux19: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
};
};
&i2c9 {
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
bus-frequency = <400000>;
i2c-mux@71 {
compatible = "nxp,pca9544";
- idle-state = <0>;
- i2c-mux-idle-disconnect;
reg = <0x71>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ imux20: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux21: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux22: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
+
+ imux23: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ gpio@49 {
+ compatible = "nxp,pca9537";
+ reg = <0x49>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c128";
+ reg = <0x50>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+ };
};
};
--
2.25.1
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