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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29034f36738sm199853455ad.87.2025.10.15.07.39.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Oct 2025 07:39:27 -0700 (PDT) From: Fred Chen To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/7] ARM: dts: aspeed: santabarbara: Add sensor support for extension boards Date: Wed, 15 Oct 2025 22:38:58 +0800 Message-ID: <20251015143916.1850450-3-fredchen.openbmc@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251015143916.1850450-1-fredchen.openbmc@gmail.com> References: <20251015143916.1850450-1-fredchen.openbmc@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" add power monitor and temperature sensors for extension boards in bus 6, 8, 10 and 13. Signed-off-by: Fred Chen --- .../aspeed-bmc-facebook-santabarbara.dts | 848 ++++++++++++++++++ 1 file changed, 848 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts = b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts index 4adbf15d913f..89b18afe2b00 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts @@ -39,6 +39,38 @@ aliases { i2c37 =3D &i2c12mux0ch5; i2c38 =3D &i2c12mux0ch6; i2c39 =3D &i2c12mux0ch7; + i2c48 =3D &i2c6mux0ch0; + i2c49 =3D &i2c6mux0ch1; + i2c50 =3D &i2c6mux0ch2; + i2c51 =3D &i2c6mux0ch3; + i2c52 =3D &i2c8mux0ch0; + i2c53 =3D &i2c8mux0ch1; + i2c54 =3D &i2c8mux0ch2; + i2c55 =3D &i2c8mux0ch3; + i2c56 =3D &i2c10mux0ch0; + i2c57 =3D &i2c10mux0ch1; + i2c58 =3D &i2c10mux0ch2; + i2c59 =3D &i2c10mux0ch3; + i2c60 =3D &i2c13mux0ch0; + i2c61 =3D &i2c13mux0ch1; + i2c62 =3D &i2c13mux0ch2; + i2c63 =3D &i2c13mux0ch3; + i2c64 =3D &i2c6mux1ch0; + i2c65 =3D &i2c6mux1ch1; + i2c66 =3D &i2c6mux1ch2; + i2c67 =3D &i2c6mux1ch3; + i2c68 =3D &i2c8mux1ch0; + i2c69 =3D &i2c8mux1ch1; + i2c70 =3D &i2c8mux1ch2; + i2c71 =3D &i2c8mux1ch3; + i2c72 =3D &i2c10mux1ch0; + i2c73 =3D &i2c10mux1ch1; + i2c74 =3D &i2c10mux1ch2; + i2c75 =3D &i2c10mux1ch3; + i2c76 =3D &i2c13mux1ch0; + i2c77 =3D &i2c13mux1ch1; + i2c78 =3D &i2c13mux1ch2; + i2c79 =3D &i2c13mux1ch3; }; =20 chosen { @@ -587,6 +619,210 @@ eeprom@52 { compatible =3D "atmel,24c256"; reg =3D <0x52>; }; + + i2c-mux@71 { + compatible =3D "nxp,pca9546"; + reg =3D <0x71>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c6mux0ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + temperature-sensor@64 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x64>; + }; + + temperature-sensor@65 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x65>; + }; + + temperature-sensor@67 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x67>; + }; + + i2c-mux@72 { + compatible =3D "nxp,pca9546"; + reg =3D <0x72>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c6mux1ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c6mux1ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@48 { + compatible =3D "ti,ads7830"; + reg =3D <0x48>; + }; + + voltage-sensor@49 { + compatible =3D "ti,ads7830"; + reg =3D <0x49>; + }; + + temperature-sensor@4a { + compatible =3D "ti,tmp175"; + reg =3D <0x4a>; + }; + + temperature-sensor@4b { + compatible =3D "ti,tmp175"; + reg =3D <0x4b>; + }; + + eeprom@56 { + compatible =3D "atmel,24c256"; + reg =3D <0x56>; + }; + }; + + i2c6mux1ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c6mux1ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + }; + + i2c6mux0ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c6mux0ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c6mux0ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@1d { + compatible =3D "ti,adc128d818"; + reg =3D <0x1d>; + ti,mode =3D /bits/ 8 <1>; + }; + + voltage-sensor@37 { + compatible =3D "ti,adc128d818"; + reg =3D <0x37>; + ti,mode =3D /bits/ 8 <1>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + + temperature-sensor@48 { + compatible =3D "ti,tmp175"; + reg =3D <0x48>; + }; + + temperature-sensor@49 { + compatible =3D "ti,tmp175"; + reg =3D <0x49>; + }; + }; + }; }; =20 &i2c7 { @@ -601,6 +837,210 @@ eeprom@52 { compatible =3D "atmel,24c256"; reg =3D <0x52>; }; + + i2c-mux@71 { + compatible =3D "nxp,pca9546"; + reg =3D <0x71>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c8mux0ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + temperature-sensor@64 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x64>; + }; + + temperature-sensor@65 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x65>; + }; + + temperature-sensor@67 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x67>; + }; + + i2c-mux@72 { + compatible =3D "nxp,pca9546"; + reg =3D <0x72>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c8mux1ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c8mux1ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@48 { + compatible =3D "ti,ads7830"; + reg =3D <0x48>; + }; + + voltage-sensor@49 { + compatible =3D "ti,ads7830"; + reg =3D <0x49>; + }; + + temperature-sensor@4a { + compatible =3D "ti,tmp175"; + reg =3D <0x4a>; + }; + + temperature-sensor@4b { + compatible =3D "ti,tmp175"; + reg =3D <0x4b>; + }; + + eeprom@56 { + compatible =3D "atmel,24c256"; + reg =3D <0x56>; + }; + }; + + i2c8mux1ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c8mux1ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + }; + + i2c8mux0ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c8mux0ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c8mux0ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@1d { + compatible =3D "ti,adc128d818"; + reg =3D <0x1d>; + ti,mode =3D /bits/ 8 <1>; + }; + + voltage-sensor@37 { + compatible =3D "ti,adc128d818"; + reg =3D <0x37>; + ti,mode =3D /bits/ 8 <1>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + + temperature-sensor@48 { + compatible =3D "ti,tmp175"; + reg =3D <0x48>; + }; + + temperature-sensor@49 { + compatible =3D "ti,tmp175"; + reg =3D <0x49>; + }; + }; + }; }; =20 &i2c9 { @@ -632,6 +1072,210 @@ eeprom@52 { compatible =3D "atmel,24c256"; reg =3D <0x52>; }; + + i2c-mux@71 { + compatible =3D "nxp,pca9546"; + reg =3D <0x71>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c10mux0ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + temperature-sensor@64 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x64>; + }; + + temperature-sensor@65 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x65>; + }; + + temperature-sensor@67 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x67>; + }; + + i2c-mux@72 { + compatible =3D "nxp,pca9546"; + reg =3D <0x72>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c10mux1ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c10mux1ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@48 { + compatible =3D "ti,ads7830"; + reg =3D <0x48>; + }; + + voltage-sensor@49 { + compatible =3D "ti,ads7830"; + reg =3D <0x49>; + }; + + temperature-sensor@4a { + compatible =3D "ti,tmp175"; + reg =3D <0x4a>; + }; + + temperature-sensor@4b { + compatible =3D "ti,tmp175"; + reg =3D <0x4b>; + }; + + eeprom@56 { + compatible =3D "atmel,24c256"; + reg =3D <0x56>; + }; + }; + + i2c10mux1ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c10mux1ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + }; + + i2c10mux0ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c10mux0ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c10mux0ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@1d { + compatible =3D "ti,adc128d818"; + reg =3D <0x1d>; + ti,mode =3D /bits/ 8 <1>; + }; + + voltage-sensor@37 { + compatible =3D "ti,adc128d818"; + reg =3D <0x37>; + ti,mode =3D /bits/ 8 <1>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + + temperature-sensor@48 { + compatible =3D "ti,tmp175"; + reg =3D <0x48>; + }; + + temperature-sensor@49 { + compatible =3D "ti,tmp175"; + reg =3D <0x49>; + }; + }; + }; }; =20 &i2c11 { @@ -768,6 +1412,210 @@ eeprom@52 { compatible =3D "atmel,24c256"; reg =3D <0x52>; }; + + i2c-mux@71 { + compatible =3D "nxp,pca9546"; + reg =3D <0x71>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c13mux0ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + temperature-sensor@64 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x64>; + }; + + temperature-sensor@65 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x65>; + }; + + temperature-sensor@67 { + compatible =3D "microchip,mcp9600"; + reg =3D <0x67>; + }; + + i2c-mux@72 { + compatible =3D "nxp,pca9546"; + reg =3D <0x72>; + #address-cells =3D <1>; + #size-cells =3D <0>; + i2c-mux-idle-disconnect; + + i2c13mux1ch0: i2c@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c13mux1ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@48 { + compatible =3D "ti,ads7830"; + reg =3D <0x48>; + }; + + voltage-sensor@49 { + compatible =3D "ti,ads7830"; + reg =3D <0x49>; + }; + + temperature-sensor@4a { + compatible =3D "ti,tmp175"; + reg =3D <0x4a>; + }; + + temperature-sensor@4b { + compatible =3D "ti,tmp175"; + reg =3D <0x4b>; + }; + + eeprom@56 { + compatible =3D "atmel,24c256"; + reg =3D <0x56>; + }; + }; + + i2c13mux1ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + i2c13mux1ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + }; + }; + + i2c13mux0ch1: i2c@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c13mux0ch2: i2c@2 { + reg =3D <2>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + potentiometer@2c { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2c>; + }; + + potentiometer@2e { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2e>; + }; + + potentiometer@2f { + compatible =3D "adi,ad5272-020"; + reg =3D <0x2f>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@44 { + compatible =3D "ti,ina238"; + reg =3D <0x44>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + }; + + i2c13mux0ch3: i2c@3 { + reg =3D <3>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + voltage-sensor@1d { + compatible =3D "ti,adc128d818"; + reg =3D <0x1d>; + ti,mode =3D /bits/ 8 <1>; + }; + + voltage-sensor@37 { + compatible =3D "ti,adc128d818"; + reg =3D <0x37>; + ti,mode =3D /bits/ 8 <1>; + }; + + power-monitor@40 { + compatible =3D "ti,ina238"; + reg =3D <0x40>; + shunt-resistor =3D <1000>; + }; + + power-monitor@45 { + compatible =3D "ti,ina238"; + reg =3D <0x45>; + shunt-resistor =3D <1000>; + }; + + temperature-sensor@48 { + compatible =3D "ti,tmp175"; + reg =3D <0x48>; + }; + + temperature-sensor@49 { + compatible =3D "ti,tmp175"; + reg =3D <0x49>; + }; + }; + }; }; =20 &i2c14 { --=20 2.49.0