From: Richard Acayan <[email protected]> The NFC driver can detect and read an NFC tag.
Signed-off-by: Richard Acayan <[email protected]> Co-developed-by: David Heidelberg <[email protected]> Signed-off-by: David Heidelberg <[email protected]> --- arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi index b4854801a5f5e..5c2613e53679c 100644 --- a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi @@ -485,16 +485,35 @@ &gpi_dma1 { &gpu { status = "okay"; }; &gpu_zap_shader { firmware-name = "qcom/sdm670/sargo/a615_zap.mbn"; }; +&i2c3 { + clock-frequency = <400000>; + + status = "okay"; + + nfc@28 { + compatible = "nxp,pn557", "nxp,nxp-nci-i2c"; + reg = <0x28>; + + interrupts-extended = <&tlmm 44 IRQ_TYPE_EDGE_RISING>; + + enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&tlmm 43 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&nfc_default>; + pinctrl-names = "default"; + }; +}; + &i2c9 { clock-frequency = <100000>; status = "okay"; synaptics-rmi4-i2c@20 { compatible = "syna,rmi4-i2c"; reg = <0x20>; interrupts-extended = <&tlmm 125 IRQ_TYPE_EDGE_FALLING>; @@ -686,16 +705,39 @@ ts-irq-pins { ts-switch-pins { pins = "gpio135"; function = "gpio"; drive-strength = <2>; bias-disable; output-low; }; }; + + nfc_default: nfc-default-state { + enable-pins { + pins = "gpio12"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + firmware-pins { + pins = "gpio43"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + irq-pins { + pins = "gpio44"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + }; }; &usb_1_hsphy { vdd-supply = <&vreg_l1b_0p925>; vdda-pll-supply = <&vreg_l10a_1p8>; vdda-phy-dpdm-supply = <&vreg_l7b_3p125>; status = "okay"; -- 2.55.0
