diff options
| author | Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com> | 2024-09-26 11:35:33 +0800 |
|---|---|---|
| committer | Andrew Jeffery <andrew@codeconstruct.com.au> | 2024-12-13 15:46:59 +1030 |
| commit | 519eada5b8cf1af1d3e141edb7655dd4194fc78f (patch) | |
| tree | 941ac18bbb37d255748d32b7418f6a8fcfdb4b96 | |
| parent | b4279b289971fb392b4dfae7e39bf2b13d1d3767 (diff) | |
ARM: dts: aspeed: yosemite4: Add i2c-mux for Management Board
Add I2C mux for Management Board to separate the I2C bus 35 for
updating CPLD firmware and I2C bus 34 for the other devices.
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Link: https://patch.msgid.link/20240926033534.4174707-1-Delphine_CC_Chiu@wiwynn.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
| -rw-r--r-- | arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 80 |
1 files changed, 69 insertions, 11 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 1c4b640ed4ea..15331838fb57 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 +17,9 @@ serial6 = &uart7; serial7 = &uart8; serial8 = &uart9; + + i2c34 = &imux34; + i2c35 = &imux35; }; chosen { @@ -644,22 +647,77 @@ }; &i2c12 { + #address-cells = <1>; + #size-cells = <0>; status = "okay"; bus-frequency = <400000>; - temperature-sensor@48 { - compatible = "ti,tmp75"; - reg = <0x48>; - }; + i2c-mux@70 { + compatible = "nxp,pca9544"; + reg = <0x70>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; - eeprom@50 { - compatible = "atmel,24c128"; - reg = <0x50>; - }; + imux34: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + temperature-sensor@48 { + compatible = "ti,tmp75"; + reg = <0x48>; + }; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + + eeprom@54 { + compatible = "atmel,24c64"; + reg = <0x54>; + }; + + rtc@6f { + compatible = "nuvoton,nct3018y"; + reg = <0x6f>; + }; + + gpio@20 { + compatible = "nxp,pca9506"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@21 { + compatible = "nxp,pca9506"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@22 { + compatible = "nxp,pca9506"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@23 { + compatible = "nxp,pca9506"; + reg = <0x23>; + gpio-controller; + #gpio-cells = <2>; + }; + }; - rtc@6f { - compatible = "nuvoton,nct3018y"; - reg = <0x6f>; + imux35: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; }; }; |