[PATCH v6 04/10] ARM: dts: aspeed: catalina: Add fan controller support

Potin Lai potin.lai.pt at gmail.com
Fri Mar 21 18:26:05 AEDT 2025


Add device tree nodes for the MAX31790 fan controllers on the Power
Distribution Board (PDB). These nodes enable fan speed control and
monitoring, improving thermal management and system reliability.

Signed-off-by: Potin Lai <potin.lai.pt at gmail.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
index f5f47245796a..792b739b1103 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -466,6 +466,15 @@ i2c1mux0ch2: i2c at 2 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x2>;
+
+			fanctl0: fan-controller at 21{
+				compatible = "maxim,max31790";
+				reg = <0x21>;
+			};
+			fanctl1: fan-controller at 27{
+				compatible = "maxim,max31790";
+				reg = <0x27>;
+			};
 		};
 		i2c1mux0ch3: i2c at 3 {
 			#address-cells = <1>;

-- 
2.31.1



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