From: David Heidelberg <david@ixit.cz>
Date: Fri, 3 Apr 2026 13:58:47 +0000 (+0200)
Subject: arm64: dts: qcom: sdm845-oneplus: Enable NFC
X-Git-Tag: v7.2-rc1~131^2~38^2~99
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=50fc93244973f5ebc97eb06857fb6bed0e3cbd39;p=thirdparty%2Flinux.git

arm64: dts: qcom: sdm845-oneplus: Enable NFC

Enable NFC controller NXP PN553, which is part of the package NXP NQ330
(NFC + eSE).

Based on work of biemster <l.j.beemster@gmail.com>.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260403-oneplus-nfc-v3-2-fbdce57d63c1@ixit.cz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index b0b9baf01ec29..04e11448b53a6 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 @@
 	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 @@
 	status = "okay";
 };
 
+&qup_i2c3_default {
+	drive-strength = <2>;
+	bias-disable;
+};
+
 &qup_i2c10_default {
 	drive-strength = <2>;
 	bias-disable;
@@ -1007,6 +1032,38 @@
 		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 {