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 - enum:
18 - nxp,nq310
19 - nxp,pn547
20 - const: nxp,nxp-nci-i2c
21
22 enable-gpios:
23 description: Output GPIO pin used for enabling/disabling the controller
24
25 firmware-gpios:
26 description: Output GPIO pin used to enter firmware download mode
27
28 interrupts:
29 maxItems: 1
30
31 reg:
32 maxItems: 1
33
34 required:
35 - compatible
36 - enable-gpios
37 - interrupts
38 - reg
39
40 additionalProperties: false
41
42 examples:
43 - |
44 #include <dt-bindings/gpio/gpio.h>
45 #include <dt-bindings/interrupt-controller/irq.h>
46
47 i2c {
48 #address-cells = <1>;
49 #size-cells = <0>;
50
51 nfc@29 {
52 compatible = "nxp,nxp-nci-i2c";
53
54 reg = <0x29>;
55
56 interrupt-parent = <&gpio1>;
57 interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
58
59 enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
60 firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
61 };
62 };
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