From: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Date: Fri, 17 Oct 2025 05:02:56 +0000 (+0530)
Subject: arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller
X-Git-Tag: v6.19-rc1~100^2~14^2~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8053174aac836f192e5738b2886fd4da35a25cd5;p=thirdparty%2Flinux.git

arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller

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

Signed-off-by: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251017050256.987660-1-gaurav.kohli@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c4faa16e83775..b40fa203e4a2f 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-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>
 
@@ -501,6 +502,20 @@
 	};
 };
 
+&i2c19 {
+	status = "okay";
+
+	fan_controller: fan@18 {
+		compatible = "ti,amc6821";
+		reg = <0x18>;
+		#pwm-cells = <2>;
+
+		fan {
+			pwms = <&fan_controller 40000 PWM_POLARITY_INVERTED>;
+		};
+	};
+};
+
 &iris {
 	firmware-name = "qcom/vpu/vpu30_p4_s6_16mb.mbn";
 
@@ -592,6 +607,11 @@
 	status = "okay";
 };
 
+&qup_i2c19_default {
+	drive-strength = <2>;
+	bias-pull-up;
+};
+
 &qupv3_id_0 {
 	firmware-name = "qcom/sa8775p/qupv3fw.elf";
 	status = "okay";