[PATCH v7 5/5] arm64: dts: qcom: hamoa-iot-evk: Add Embedded controller node
From: Anvesh Jain P
Date: Fri Mar 27 2026 - 06:16:39 EST
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>
Reviewed-by: Gaurav Kohli <gaurav.kohli@xxxxxxxxxxxxxxxx>
Tested-by: Gaurav Kohli <gaurav.kohli@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";
+ };
};
&i2c7 {
@@ -1320,6 +1330,12 @@ right_tweeter: speaker@0,1 {
};
&tlmm {
+ ec_int_n_default: ec-int-n-state {
+ pins = "gpio66";
+ function = "gpio";
+ bias-disable;
+ };
+
edp_reg_en: edp-reg-en-state {
pins = "gpio70";
function = "gpio";
--
2.34.1