From: Rudraksha Gupta <guptarud@gmail.com>

Currently the Proximity Sensor doesn't work, but light sensor does.
Left the proximity sensor as a TODO for later.

Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
---
 .../dts/qcom/qcom-msm8960-samsung-expressatt.dts   | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
index 5ee919dce75b..b68da548a985 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
@@ -54,6 +54,32 @@ key-volume-down {
 	};
 };
 
+&gsbi2 {
+	qcom,mode = <GSBI_PROT_I2C>;
+
+	status = "okay";
+};
+
+&gsbi2_i2c {
+	status = "okay";
+
+	light-sensor@39 {
+		compatible = "amstaos,tmd2772";
+		reg = <0x39>;
+		interrupt-parent = <&pm8921_gpio>;
+		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+		vdd-supply = <&pm8921_l9>;
+		vddio-supply = <&pm8921_lvs4>;
+
+		/* TODO: Proximity doesn't work */
+		amstaos,proximity-diodes = <0>;
+		led-max-microamp = <100000>;
+
+		pinctrl-0 = <&prox_sensor_int>;
+		pinctrl-names = "default";
+	};
+};
+
 &gsbi5 {
 	qcom,mode = <GSBI_PROT_I2C_UART>;
 	status = "okay";
@@ -163,6 +189,15 @@ &pm8921 {
 	interrupts-extended = <&tlmm 104 IRQ_TYPE_LEVEL_LOW>;
 };
 
+&pm8921_gpio {
+	prox_sensor_int: prox-sensor-int-state {
+		pins = "gpio6";
+		function = "normal";
+		input-enable;
+		bias-disable;
+	};
+};
+
 &rpm {
 	regulators {
 		compatible = "qcom,rpm-pm8921-regulators";

-- 
2.51.2

On 11/21/25 12:44 PM, Rudraksha Gupta via B4 Relay wrote:
> From: Rudraksha Gupta <guptarud@gmail.com>
> 
> Currently the Proximity Sensor doesn't work, but light sensor does.
> Left the proximity sensor as a TODO for later.
> 
> Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
> ---
>  .../dts/qcom/qcom-msm8960-samsung-expressatt.dts   | 35 ++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> index 5ee919dce75b..b68da548a985 100644
> --- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
> @@ -54,6 +54,32 @@ key-volume-down {
>  	};
>  };
>  
> +&gsbi2 {
> +	qcom,mode = <GSBI_PROT_I2C>;
> +
> +	status = "okay";
> +};
> +
> +&gsbi2_i2c {
> +	status = "okay";
> +
> +	light-sensor@39 {
> +		compatible = "amstaos,tmd2772";
> +		reg = <0x39>;
> +		interrupt-parent = <&pm8921_gpio>;
> +		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;

interrupts-extended = <&pm8921_gpio 6 IRQ_TYPE_EDGE_FALLING>;

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

Konrad