From: Matthew Barth <msbarth@xxxxxxxxxx>
Add the max31785 configuration at address 0x52 on i2c14 behind mux0
channel 3.
Signed-off-by: Matthew Barth <msbarth@xxxxxxxxxx>
Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts | 71 ++++++++++++++++++--
1 file changed, 67 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index ab7be4d511a5..cc45608b0cbc 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -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 +458,68 @@ 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>;
+ maxim,fan-rotor-input = "tach";
+ maxim,fan-pwm-freq = <25000>;
+ maxim,fan-dual-tach;
+ maxim,fan-no-watchdog;
+ maxim,fan-no-fault-ramp;
+ maxim,fan-ramp = <2>;
+ maxim,fan-fault-pin-mon;
+ };
+
+ fan@1 {
+ compatible = "pmbus-fan";
+ reg = <1>;
+ tach-pulses = <2>;
+ maxim,fan-rotor-input = "tach";
+ maxim,fan-pwm-freq = <25000>;
+ maxim,fan-dual-tach;
+ maxim,fan-no-watchdog;
+ maxim,fan-no-fault-ramp;
+ maxim,fan-ramp = <2>;
+ maxim,fan-fault-pin-mon;
+ };
+
+ fan@2 {
+ compatible = "pmbus-fan";
+ reg = <2>;
+ tach-pulses = <2>;
+ maxim,fan-rotor-input = "tach";
+ maxim,fan-pwm-freq = <25000>;
+ maxim,fan-dual-tach;
+ maxim,fan-no-watchdog;
+ maxim,fan-no-fault-ramp;
+ maxim,fan-ramp = <2>;
+ maxim,fan-fault-pin-mon;
+ };
+
+ fan@3 {
+ compatible = "pmbus-fan";
+ reg = <3>;
+ tach-pulses = <2>;
+ maxim,fan-rotor-input = "tach";
+ maxim,fan-pwm-freq = <25000>;
+ maxim,fan-dual-tach;
+ maxim,fan-no-watchdog;
+ maxim,fan-no-fault-ramp;
+ maxim,fan-ramp = <2>;
+ maxim,fan-fault-pin-mon;
+ };
+ };
+ };
};
i2c-switch@71 {
--
2.27.0
