[PATCH] arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller

Gaurav Kohli posted 1 patch 3 months, 3 weeks ago
arch/arm64/boot/dts/qcom/lemans-evk.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
[PATCH] arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller
Posted by Gaurav Kohli 3 months, 3 weeks ago
Enable AMC6821 fan controller for lemans-evk platform and
configure pwm polarity as inverted.

Signed-off-by: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/lemans-evk.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c7dc9b8f4457..9bc3e6d4c9af 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 @@ mac_addr0: mac-addr@0 {
 	};
 };
 
+&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";
 
@@ -587,6 +602,11 @@ &pcie1_phy {
 	status = "okay";
 };
 
+&qup_i2c19_default {
+	drive-strength = <2>;
+	bias-pull-up;
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
-- 
2.34.1
Re: [PATCH] arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller
Posted by Bjorn Andersson 3 months, 1 week ago
On Fri, 17 Oct 2025 10:32:56 +0530, Gaurav Kohli wrote:
> Enable AMC6821 fan controller for lemans-evk platform and
> configure pwm polarity as inverted.
> 
> 

Applied, thanks!

[1/1] arm64: dts: qcom: lemans-evk: Enable AMC6821 fan controller
      commit: 8053174aac836f192e5738b2886fd4da35a25cd5

Best regards,
-- 
Bjorn Andersson <andersson@kernel.org>