1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP Semiconductors NCI NFC controller
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 properties:
13 compatible:
14 oneOf:
15 - const: nxp,nxp-nci-i2c
16 - items:
17 - const: nxp,pn547
18 - const: nxp,nxp-nci-i2c
19
20 enable-gpios:
21 description: Output GPIO pin used for enabling/disabling the controller
22
23 firmware-gpios:
24 description: Output GPIO pin used to enter firmware download mode
25
26 interrupts:
27 maxItems: 1
28
29 reg:
30 maxItems: 1
31
32 required:
33 - compatible
34 - enable-gpios
35 - interrupts
36 - reg
37
38 additionalProperties: false
39
40 examples:
41 - |
42 #include <dt-bindings/gpio/gpio.h>
43 #include <dt-bindings/interrupt-controller/irq.h>
44
45 i2c {
46 #address-cells = <1>;
47 #size-cells = <0>;
48
49 nfc@29 {
50 compatible = "nxp,nxp-nci-i2c";
51
52 reg = <0x29>;
53
54 interrupt-parent = <&gpio1>;
55 interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
56
57 enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
58 firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
59 };
60 };
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