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ARM: dts: aspeed: everest: Add max31785 fan controller device

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Add the max31785 configuration at address 0x52 on i2c14 behind mux0
channel 3.

Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210329150020.13632-14-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Matthew Barth 2021-03-29 10:00:11 -05:00 committed by Joel Stanley
parent 03b5e43f7d
commit 7313cde52a
1 changed files with 40 additions and 4 deletions
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44
arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
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@ -59,10 +59,11 @@ aliases {
i2c27 = &i2c14mux0chn0;
i2c28 = &i2c14mux0chn1;
i2c29 = &i2c14mux0chn2;
i2c30 = &i2c14mux1chn0;
i2c31 = &i2c14mux1chn1;
i2c32 = &i2c14mux1chn2;
i2c33 = &i2c14mux1chn3;
i2c30 = &i2c14mux0chn3;
i2c31 = &i2c14mux1chn0;
i2c32 = &i2c14mux1chn1;
i2c33 = &i2c14mux1chn2;
i2c34 = &i2c14mux1chn3;
serial4 = &uart5;
@ -457,6 +458,41 @@ eeprom@50 {
reg = <0x50>;
};
};
i2c14mux0chn3: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
max31785@52 {
compatible = "maxim,max31785a";
reg = <0x52>;
fan@0 {
compatible = "pmbus-fan";
reg = <0>;
tach-pulses = <2>;
};
fan@1 {
compatible = "pmbus-fan";
reg = <1>;
tach-pulses = <2>;
};
fan@2 {
compatible = "pmbus-fan";
reg = <2>;
tach-pulses = <2>;
};
fan@3 {
compatible = "pmbus-fan";
reg = <3>;
tach-pulses = <2>;
};
};
};
};
i2c-switch@71 {