linux-kernel - [PATCH] arm64: dts: qcom: msm8998-oneplus-common: Add NFC

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Message-Id: <20220225215642.3916-1-jami.kettunen@somainline.org>
Date:   Fri, 25 Feb 2022 23:56:42 +0200
From:   Jami Kettunen <jami.kettunen@...ainline.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Pavel Dubrova <pashadubrova@...il.com>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Caleb Connolly <caleb@...nolly.tech>
Subject: [PATCH] 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@...ainline.org>
Reviewed-by: Caleb Connolly <caleb@...nolly.tech>
---
 .../boot/dts/qcom/msm8998-oneplus-common.dtsi | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/msm8998-oneplus-common.dtsi
index 9823d48a91b1..dbaea360bffc 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 @@ rmi4_f12: rmi4-f12@12 {
 	};
 };
 
+&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 @@ ts_reset_active: ts-reset-active {
 		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 {
-- 
2.35.1