Merge pull request openbmc#82 from msbarth/max31785-everest-dts_1020-…

…dev-5.8 ARM: dts: Aspeed: Everest: Add max31785 fan controller device
eddiejames · Jan 7, 2021 · 8ef11a7 · 8ef11a7
2 parents a9b4ea8 + d9c8e67
commit 8ef11a7
Showing 1 changed file with 67 additions and 4 deletions.
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -59,10 +59,11 @@
 		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;
 
@@ -476,6 +477,68 @@
 				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 {