0001 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: NXP Semiconductors NCI NFC controller
0008
0009 maintainers:
0010 - Krzysztof Kozlowski <krzk@kernel.org>
0011
0012 properties:
0013 compatible:
0014 oneOf:
0015 - const: nxp,nxp-nci-i2c
0016 - items:
0017 - const: nxp,pn547
0018 - const: nxp,nxp-nci-i2c
0019
0020 enable-gpios:
0021 description: Output GPIO pin used for enabling/disabling the controller
0022
0023 firmware-gpios:
0024 description: Output GPIO pin used to enter firmware download mode
0025
0026 interrupts:
0027 maxItems: 1
0028
0029 reg:
0030 maxItems: 1
0031
0032 required:
0033 - compatible
0034 - enable-gpios
0035 - interrupts
0036 - reg
0037
0038 additionalProperties: false
0039
0040 examples:
0041 - |
0042 #include <dt-bindings/gpio/gpio.h>
0043 #include <dt-bindings/interrupt-controller/irq.h>
0044
0045 i2c {
0046 #address-cells = <1>;
0047 #size-cells = <0>;
0048
0049 nfc@29 {
0050 compatible = "nxp,nxp-nci-i2c";
0051
0052 reg = <0x29>;
0053
0054 interrupt-parent = <&gpio1>;
0055 interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
0056
0057 enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
0058 firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
0059 };
0060 };
