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>
---
 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 db999408e397..0b513829f2de 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -526,6 +526,15 @@ i2c1mux0ch2: i2c@2 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x2>;
+
+			pwm@21{
+				compatible = "maxim,max31790";
+				reg = <0x21>;
+			};
+			pwm@27{
+				compatible = "maxim,max31790";
+				reg = <0x27>;
+			};
 		};
 		i2c1mux0ch3: i2c@3 {
 			#address-cells = <1>;

-- 
2.31.1