From: Sibi Sankar <sibi.sankar@oss.qualcomm.com>

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@oss.qualcomm.com>
Co-developed-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
Signed-off-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
---
 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..d523e7cea3ec 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-crd-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

On 3/13/26 11:29 AM, Anvesh Jain P wrote:
> From: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
> 
> 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@oss.qualcomm.com>
> Co-developed-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
> Signed-off-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

On Fri, Mar 13, 2026 at 03:59:54PM +0530, Anvesh Jain P wrote:
> From: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
> 
> 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@oss.qualcomm.com>
> Co-developed-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
> Signed-off-by: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/x1-crd.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry