From fc4795cf96af49a03b72fc0f260f824d969243e8 Mon Sep 17 00:00:00 2001
From: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Date: Thu, 4 Dec 2025 09:41:58 +0530
Subject: [PATCH] arm64: dts: qcom: monaco-evk: Enable AMC6821 fan controller

Enable AMC6821 fan controller for monaco-evk platform and
configure pwm polarity as inverted.

Signed-off-by: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251204041158.2613340-1-gaurav.kohli@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
 arch/arm64/boot/dts/qcom/monaco-evk.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
index f76ad689d7ae7..15cfb3aa3fa86 100644
--- a/arch/arm64/boot/dts/qcom/monaco-evk.dts
+++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
 #include <dt-bindings/sound/qcom,q6afe.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
@@ -323,6 +324,16 @@
 
 	status = "okay";
 
+	fan_controller: fan@18 {
+		compatible = "ti,amc6821";
+		reg = <0x18>;
+		#pwm-cells = <2>;
+
+		fan {
+			pwms = <&fan_controller 40000 PWM_POLARITY_INVERTED>;
+		};
+	};
+
 	eeprom0: eeprom@50 {
 		compatible = "atmel,24c256";
 		reg = <0x50>;
-- 
2.47.3