Add the MAX31790 node as a Fan I2C controller. It controls the TACH and PWM for Fan Mt.Mitchell system. Signed-off-by: Chanh Nguyen <chanh@xxxxxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts index e79f56208b89..6455cf80da0e 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts @@ -477,6 +477,18 @@ line-name = "bmc-ocp0-en-n"; }; }; + + max31790@20 { + compatible = "maxim,max31790"; + reg = <0x20>; + pwm-to-tach = <0 0 0 0 1 1>; + }; + + max31790@2f { + compatible = "maxim,max31790"; + reg = <0x2f>; + pwm-to-tach = <0 0 0 0 1 1>; + }; }; &i2c9 { -- 2.17.1