linux-kernel - [PATCH v3 13/14] ARM: dts: aspeed: yosemite4: support mux to cpld

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Date:   Mon, 11 Dec 2023 13:47:28 +0800
From:   Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To:     patrick@...cx.xyz, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...econstruct.com.au>
Cc:     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 v3 13/14] ARM: dts: aspeed: yosemite4: support mux to cpld

Mux pca9544 to cpld was added on EVT HW schematic design,
so add dts setting for devices behind mux pca9544 to cpld

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 64 ++++++++++++++-----
 1 file changed, 49 insertions(+), 15 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 c8e3a85b7a11..fdc33bffd467 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -36,6 +36,10 @@ aliases {
 		i2c31 = &imux31;
 		i2c32 = &imux32;
 		i2c33 = &imux33;
+		i2c34 = &imux34;
+		i2c35 = &imux35;
+		i2c36 = &imux36;
+		i2c37 = &imux37;
 	};
 
 	chosen {
@@ -951,24 +955,54 @@ &i2c12 {
 	status = "okay";
 	bus-frequency = <400000>;
 
-	temperature-sensor@48 {
-		compatible = "ti,tmp75";
-		reg = <0x48>;
-	};
+	i2c-mux@70 {
+		compatible = "nxp,pca9544";
+		i2c-mux-idle-disconnect;
+		reg = <0x70>;
 
-	eeprom@50 {
-		compatible = "atmel,24c128";
-		reg = <0x50>;
-	};
+		imux34: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
 
-	eeprom@54 {
-		compatible = "atmel,24c64";
-		reg = <0x54>;
-	};
+			temperature-sensor@48 {
+				compatible = "ti,tmp75";
+				reg = <0x48>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c128";
+				reg = <0x50>;
+			};
 
-	rtc@6f {
-		compatible = "nuvoton,nct3018y";
-		reg = <0x6f>;
+			eeprom@54 {
+				compatible = "atmel,24c64";
+				reg = <0x54>;
+			};
+
+			rtc@6f {
+				compatible = "nuvoton,nct3018y";
+				reg = <0x6f>;
+			};
+		};
+
+		imux35: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		imux36: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		imux37: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
 	};
 };
 
-- 
2.25.1