Commit 7f07c278 authored by Rudraksha Gupta's avatar Rudraksha Gupta Committed by Bjorn Andersson
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ARM: dts: qcom: msm8960: expressatt: Add NFC 



Add pn544 NFC chip

Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: default avatarRudraksha Gupta <guptarud@gmail.com>
Link: https://lore.kernel.org/r/20251124-expressatt_nfc_accel_magn_light-v4-3-9c5686ad67e2@gmail.com


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 72c6158e

arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts

+45 −0
Original line number Diff line number Diff line
@@ -182,6 +182,22 @@ touchscreen: touchscreen-int-state { 
		bias-disable;

		drive-strength = <2>;

	};



	nfc_default: nfc-default-state {

		irq-pins {

			pins = "gpio106";

			function = "gpio";

			drive-strength = <2>;

			bias-pull-down;

		};



		firmware-pins {

			pins = "gpio92";

			function = "gpio";

			drive-strength = <2>;

			bias-disable;

		};

	};

};



&pm8921 {
@@ -195,6 +211,14 @@ prox_sensor_int: prox-sensor-int-state { 
		input-enable;

		bias-disable;

	};



	nfc_enable: nfc-enable-state {

		pins = "gpio21";

		function = "normal";

		bias-disable;

		qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;

		power-source = <PM8921_GPIO_S4>;

	};

};



&rpm {
@@ -442,3 +466,24 @@ &usb1 { 
	dr_mode = "otg";

	status = "okay";

};



&gsbi7 {

	qcom,mode = <GSBI_PROT_I2C>;



	status = "okay";

};



&gsbi7_i2c {

	status = "okay";



	nfc@2b {

		compatible = "nxp,pn544-i2c";

		reg = <0x2b>;

		interrupts-extended = <&tlmm 106 IRQ_TYPE_EDGE_RISING>;

		enable-gpios = <&pm8921_gpio 21 GPIO_ACTIVE_HIGH>;

		firmware-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>;



		pinctrl-0 = <&nfc_default &nfc_enable>;

		pinctrl-names = "default";

	};

};