[PATCH v5 04/10] ARM: dts: aspeed: catalina: Add fan controller support
From: Potin Lai
Date: Thu Mar 20 2025 - 11:25:27 EST
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@xxxxxxxxx>
---
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..fd22add90449 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@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