Re: [PATCH 2/2] arm64: dts: qcom: purwa-iot-evk: Add Embedded controller node

[Yushan Li <yushan.li@oss.qualcomm.com>]

On 6/29/2026 6:40 PM, Anvesh Jain P wrote:
> Add embedded controller node for Purwa 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: Anvesh Jain P <anvesh.p@oss.qualcomm.com>
> ---
>   arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
> index ad503beec1d3..491ea7769cd7 100644
> --- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
> +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
> @@ -837,6 +837,16 @@ eusb6_repeater: redriver@4f {
>   		pinctrl-0 = <&eusb6_reset_n>;
>   		pinctrl-names = "default";
>   	};
> +
> +	embedded-controller@76 {
> +		compatible = "qcom,purwa-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 {
> @@ -1326,6 +1336,12 @@ 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";
> 
Tested-by: Yushan Li <yushan.li@oss.qualcomm.com>

-- 
Regards,
Yushan