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

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Message-ID: <20240731214737.986010-2-ninad@linux.ibm.com>
Date: Wed, 31 Jul 2024 16:47:29 -0500
From: Ninad Palsule <ninad@...ux.ibm.com>
To: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        joel@....id.au, andrew@...econstruct.com.au,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        eajames@...ux.ibm.com
Cc: Ninad Palsule <ninad@...ux.ibm.com>
Subject: [PATCH v1 1/1] ARM: dts: aspeed: system1: IBM System1 BMC update

Updated MAX31785a pmbus based fans in the device tree.

Signed-off-by: Ninad Palsule <ninad@...ux.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