From: Jami Kettunen <jami.kettunen@somainline.org>
Date: Fri, 25 Feb 2022 21:56:42 +0000 (+0200)
Subject: arm64: dts: qcom: msm8998-oneplus-common: Add NFC
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=726111e687192575e47de9e286ad0e45e2ce1466;p=linux.git

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 9823d48a91b10..dbaea360bffcc 100644
--- 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 {