arm64: dts: qcom: msm8998-oneplus-common: Add NFC

The OnePlus 5/5T both have an NXP PN553 which is supported by the
nxp-nci-i2c driver in mainline. It detects/reads NFC tags using
"nfctool" and with the NearD test scripts data can also be written
to be received by another device.

Signed-off-by: Jami Kettunen <jami.kettunen@somainline.org>
Reviewed-by: Caleb Connolly <caleb@connolly.tech>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220225215642.3916-1-jami.kettunen@somainline.org

diff --git a/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi
index 9823d48a91b10521e069809d10979b39174af9bb..dbaea360bffcc411ec2f8caf1a6b74974c34b09d 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi
@@ -188,6 +188,23 @@
        };
 };
 
+&blsp1_i2c6 {
+       status = "okay";
+
+       nfc@28 {
+               compatible = "nxp,nxp-nci-i2c";
+               reg = <0x28>;
+
+               interrupt-parent = <&tlmm>;
+               interrupts = <92 IRQ_TYPE_LEVEL_HIGH>;
+
+               enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&nfc_int_active &nfc_enable_active>;
+       };
+};
+
 &blsp1_uart3 {
        status = "okay";
 
@@ -462,6 +479,20 @@
                drive-strength = <8>;
                bias-pull-up;
        };
+
+       nfc_int_active: nfc-int-active {
+               pins = "gpio92";
+               function = "gpio";
+               drive-strength = <6>;
+               bias-pull-up;
+       };
+
+       nfc_enable_active: nfc-enable-active {
+               pins = "gpio12", "gpio116";
+               function = "gpio";
+               drive-strength = <6>;
+               bias-pull-up;
+       };
 };
 
 &ufshc {