[PATCH V3 4/5] arm64: dts: qcom: x1-crd: Add Embedded controller node
From: Sibi Sankar
Date: Sun Mar 08 2026 - 19:39:43 EST
Add embedded controller node for Hamoa/Purwa CRDs 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>
---
arch/arm64/boot/dts/qcom/x1-crd.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index ded96fb43489..29a1aeb98353 100644
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -1042,6 +1042,16 @@ eusb6_repeater: redriver@4f {
#phy-cells = <0>;
};
+
+ embedded-controller@76 {
+ compatible = "qcom,hamoa-it8987-ec", "qcom,hamoa-ec";
+ reg = <0x76>;
+
+ interrupts-extended = <&tlmm 66 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-0 = <&ec_int_n_default>;
+ pinctrl-names = "default";
+ };
};
&i2c7 {
@@ -1485,6 +1495,12 @@ &tlmm {
<44 4>, /* SPI (TPM) */
<238 1>; /* UFS Reset */
+ 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