linux-kernel - [PATCH v1 2/8] ARM: dts: aspeed: yosemite4: Add i2c-mux for four NICs

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Message-Id: <20240930070500.3174431-3-Delphine_CC_Chiu@wiwynn.com>
Date: Mon, 30 Sep 2024 15:04:53 +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: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.com>,
	Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/8] ARM: dts: aspeed: yosemite4: Add i2c-mux for four NICs

From: Ricky CX Wu <ricky.cx.wu.wiwynn@...il.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@...il.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 75 ++++++++++++++++++-
 1 file changed, 72 insertions(+), 3 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 dbc992a625b7..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;
 	};
@@ -1196,8 +1200,9 @@ adc@35 {
 };
 
 &i2c15 {
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
-	mctp-controller;
 	multi-master;
 	bus-frequency = <400000>;
 
@@ -1208,9 +1213,73 @@ mctp@10 {
 
 	i2c-mux@72 {
 		compatible = "nxp,pca9544";
-		idle-state = <0>;
-		i2c-mux-idle-disconnect;
 		reg = <0x72>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		imux24: i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			mctp-controller;
+			temperature-sensor@1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c64";
+				reg = <0x50>;
+			};
+		};
+
+		imux25: i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			mctp-controller;
+			temperature-sensor@1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c64";
+				reg = <0x50>;
+			};
+		};
+
+		imux26: i2c@2 {
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			mctp-controller;
+			temperature-sensor@1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c64";
+				reg = <0x50>;
+			};
+		};
+
+		imux27: i2c@3 {
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			mctp-controller;
+			temperature-sensor@1f {
+				compatible = "ti,tmp421";
+				reg = <0x1f>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c64";
+				reg = <0x50>;
+			};
+		};
 	};
 };
 
-- 
2.25.1