From: David Heidelberg <david@ixit.cz>
Enable NFC controller NXP PN553.
Signed-off-by: David Heidelberg <david@ixit.cz>
---
arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts | 52 +++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
index 783d66cf5b0f8..101597c666332 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
@@ -431,6 +431,26 @@ &gpu_zap_shader {
firmware-name = "qcom/sdm845/SHIFT/axolotl/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";
+ };
+};
+
&i2c5 {
status = "okay";
@@ -609,6 +629,38 @@ &slpi_pas {
&tlmm {
gpio-reserved-ranges = <0 4>, <81 4>;
+ 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;
+ };
+ };
+
sde_dsi_active: sde-dsi-active-state {
pins = "gpio6", "gpio11";
function = "gpio";
--
2.53.0