From: David Heidelberg <david@ixit.cz>

Enable NFC controller NXP PN557.

Signed-off-by: David Heidelberg <david@ixit.cz>
---
 arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
index 6930066857768..b2dc0327dff85 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi
@@ -391,6 +391,23 @@ &gpu_zap_shader {
 	firmware-name = "qcom/sdm845/Google/blueline/a630_zap.mbn";
 };
 
+&i2c3 {
+	status = "okay";
+
+	nfc@28 {
+		compatible = "nxp,pn557", "nxp,nxp-nci-i2c";
+		reg = <0x28>;
+
+		interrupts-extended = <&tlmm 63 IRQ_TYPE_EDGE_RISING>;
+
+		enable-gpios = <&tlmm 25 GPIO_ACTIVE_HIGH>;
+		firmware-gpios = <&tlmm 79 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&nfc_int_default &nfc_enable_default>;
+		pinctrl-names = "default";
+	};
+};
+
 &i2c12 {
 	/* Bottom spkr (right) CS35L36 @ 40 */
 
@@ -459,6 +476,20 @@ &tlmm {
 	gpio-reserved-ranges = < 0 4>, /* SPI (Intel MNH Pixel Visual Core) */
 			       <81 4>; /* SPI (most likely Fingerprint Cards FPC1075) */
 
+	nfc_int_default: nfc-int-default-state {
+		pins = "gpio63";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	nfc_enable_default: nfc-enable-default-state {
+		pins = "gpio25", "gpio79";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
 	touchscreen_reset: ts-reset-state {
 		pins = "gpio99";
 		function = "gpio";

-- 
2.53.0

On Fri, Apr 03, 2026 at 03:58:50PM +0200, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@ixit.cz>
> 
> Enable NFC controller NXP PN557.
> 
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi | 31 ++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry