[PATCH] arm:dts: add max31785 to Garrison device tree

[Yi Li]

Add max31785 device tree node to enable Fan Control on Garrison.

Signed-off-by: Yi Li <adamliyi at msn.com>
---
 arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts | 89 +++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts b/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
index c67fe58..6b96e36 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
@@ -63,6 +63,95 @@
 	status = "okay";
 };
 
+&i2c3 {
+	status = "okay";
+
+	// FIR (fan / SATA backplane)
+	max31785 at 52 {
+		compatible = "max,max31785";
+		reg = <0x52>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		fan at 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 at 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 at 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 at 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;
+		};
+
+		fan at 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 at 5 {
+			compatible = "pmbus-fan";
+			reg = <5>;
+			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;
+		};
+	};
+};
 
 &i2c4 {
 	status = "okay";
-- 
1.9.1