[PATCH v1 1/1] ARM: dts: aspeed: system1: IBM System1 BMC update

Ninad Palsule
2024-07-31T21:48:19Z

Updated MAX31785a pmbus based fans in the device tree.

Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
---
.../dts/aspeed/aspeed-bmc-ibm-system1.dts | 96 +++++++++++++++++++
1 file changed, 96 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
index f3efecc7eb8d0..f96b299d743ba 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -764,17 +764,113 @@ regulator@43 {
};
};

+
&i2c6 {
status = "okay";

fan-controller@52 {
compatible = "maxim,max31785a";
reg = <0x52>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fan0: 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;
+ };
+
+ fan1: 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;
+ };
+
+ fan2: 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;
+ };
+
+ fan3: 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;
+ };
+
+ fan4: fan@4 {
+ compatible = "pmbus-fan";
+ reg = <4>;
+ 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-controller@54 {
compatible = "maxim,max31785a";
reg = <0x54>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fan5: 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;
+ };
+
+ fan6: 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;
+ };
};

eeprom@55 {
--
2.43.0