[PATCH QUESTION 1/2] arm64: dts: qcom: sdm845-oneplus: Enable NFC
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@kernel.org>
Date: 2026-03-22 14:24:21
Also in:
b4-sent, linux-arm-msm, linux-devicetree, lkml, oe-linux-nfc, phone-devel
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
From: biemster <redacted> Definition of the NFC. Co-developed-by: David Heidelberg <david@ixit.cz> Signed-off-by: David Heidelberg <david@ixit.cz> --- .../arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 5b121ea5520f5..34f476299b114 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi@@ -392,6 +392,26 @@ &gpu_zap_shader { firmware-name = "qcom/sdm845/OnePlus/enchilada/a630_zap.mbn"; }; +&i2c3 { + clock-frequency = <400000>; + + status = "okay"; + + nfc@28 { + compatible = "nxp,nxp-nci-i2c"; + reg = <0x28>; + + interrupt-parent = <&tlmm>; + interrupts = <63 IRQ_TYPE_EDGE_RISING>; + + enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&tlmm 62 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&nfc_default>; + pinctrl-names = "default"; + }; +}; + &i2c10 { status = "okay"; clock-frequency = <100000>;
@@ -594,6 +614,11 @@ &qupv3_id_0 { status = "okay"; }; +&qup_i2c3_default { + drive-strength = <2>; + bias-disable; +}; + &qup_i2c10_default { drive-strength = <2>; bias-disable;
@@ -926,6 +951,13 @@ speaker_default: speaker-default-state { bias-pull-up; output-high; }; + + nfc_default: nfc-default-state { + pins = "gpio12", "gpio62", "gpio63"; + function = "gpio"; + drive-strength = <6>; + bias-pull-up; + }; }; &venus {
--
2.53.0