ARM: dts: aspeed: catalina: Add fan controller support

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@gmail.com>
Link: https://patch.msgid.link/20250321-potin-catalina-dts-update-20250102-v6-4-4bd85efeb9b4@gmail.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

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 f5f47245796aebc7e44e49b93d845689fab4ed8f..792b739b11033598cf5ed0394ab02f9696190a7b 100644 (file)
--- 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 @@
                        #address-cells = <1>;
                        #size-cells = <0>;
                        reg = <0x2>;
+
+                       fanctl0: fan-controller@21{
+                               compatible = "maxim,max31790";
+                               reg = <0x21>;
+                       };
+                       fanctl1: fan-controller@27{
+                               compatible = "maxim,max31790";
+                               reg = <0x27>;
+                       };
                };
                i2c1mux0ch3: i2c@3 {
                        #address-cells = <1>;