[PATCH v3 2/5] arm64: dts: qcom: sdm845-oneplus: Enable NFC
From: David Heidelberg via B4 Relay
Date: Fri Apr 03 2026 - 10:02:50 EST
From: David Heidelberg <david@xxxxxxx>
Enable NFC controller NXP PN553, which is part of the package NXP NQ330
(NFC + eSE).
Based on work of biemster <l.j.beemster@xxxxxxxxx>.
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
.../arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 57 ++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 6b7378cf4d493..f5a5f1fbc1fb6 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -464,6 +464,26 @@ &gpu_zap_shader {
firmware-name = "qcom/sdm845/OnePlus/enchilada/a630_zap.mbn";
};
+&i2c3 {
+ clock-frequency = <400000>;
+
+ status = "okay";
+
+ nfc@28 {
+ compatible = "nxp,pn553", "nxp,nxp-nci-i2c";
+ reg = <0x28>;
+
+ interrupts-extended = <&tlmm 63 IRQ_TYPE_EDGE_RISING>;
+
+ enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>;
+ firmware-gpios = <&tlmm 62 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-0 = <&nfc_default>;
+ pinctrl-1 = <&nfc_sleep>;
+ pinctrl-names = "default", "sleep";
+ };
+};
+
&i2c10 {
status = "okay";
clock-frequency = <100000>;
@@ -674,6 +694,11 @@ &qupv3_id_0 {
status = "okay";
};
+&qup_i2c3_default {
+ drive-strength = <2>;
+ bias-disable;
+};
+
&qup_i2c10_default {
drive-strength = <2>;
bias-disable;
@@ -1007,6 +1032,38 @@ speaker_default: speaker-default-state {
bias-pull-up;
output-high;
};
+
+ nfc_default: nfc-default-state {
+ enable-pins {
+ pins = "gpio12", "gpio62";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ int-pins {
+ pins = "gpio63";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ nfc_sleep: nfc-sleep-state {
+ enable-pins {
+ pins = "gpio12", "gpio62";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ int-pins {
+ pins = "gpio63";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
};
&venus {
--
2.53.0