Re: [PATCH v6 5/5] arm64: dts: qcom: hamoa-iot-evk: Add Embedded controller node

From: Gaurav Kohli

Date: Wed Mar 25 2026 - 08:41:54 EST




On 3/25/2026 5:09 PM, Anvesh Jain P wrote:
From: Sibi Sankar <sibi.sankar@xxxxxxxxxxxxxxxx>

Add embedded controller node for Hamoa IOT EVK boards which adds fan
control, temperature sensors, access to EC internal state changes and
suspend entry/exit notifications to the EC.

Signed-off-by: Sibi Sankar <sibi.sankar@xxxxxxxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Co-developed-by: Anvesh Jain P <anvesh.p@xxxxxxxxxxxxxxxx>
Signed-off-by: Anvesh Jain P <anvesh.p@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 460f27dcd6f6..a0d2ccf931ec 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -831,6 +831,16 @@ eusb6_repeater: redriver@4f {
pinctrl-0 = <&eusb6_reset_n>;
pinctrl-names = "default";
};
+
+ embedded-controller@76 {
+ compatible = "qcom,hamoa-iot-evk-ec", "qcom,hamoa-crd-ec";
+ reg = <0x76>;
+
+ interrupts-extended = <&tlmm 66 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-0 = <&ec_int_n_default>;
+ pinctrl-names = "default";
+ };
};
For Hamoa iot evk board, i have also tried and cooling nodes are reflecting fine.
Please feel free to add:
Reviewed-by: Gaurav Kohli <gaurav.kohli@xxxxxxxxxxxxxxxx>
Tested-by: Gaurav Kohli <gaurav.kohli@xxxxxxxxxxxxxxxx>