xref: /linux/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml (revision fcc79e1714e8c2b8e216dc3149812edd37884eef) 
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
7title: NXP Semiconductors NCI NFC controller
8
9maintainers:
10  - Krzysztof Kozlowski <krzk@kernel.org>
11
12properties:
13  compatible:
14    oneOf:
15      - const: nxp,nxp-nci-i2c
16      - items:
17          - enum:
18              - nxp,nq310
19              - nxp,pn547
20              - nxp,pn553
21          - const: nxp,nxp-nci-i2c
22
23  enable-gpios:
24    description: Output GPIO pin used for enabling/disabling the controller
25
26  firmware-gpios:
27    description: Output GPIO pin used to enter firmware download mode
28
29  interrupts:
30    maxItems: 1
31
32  reg:
33    maxItems: 1
34
35required:
36  - compatible
37  - enable-gpios
38  - interrupts
39  - reg
40
41additionalProperties: false
42
43examples:
44  - |
45    #include <dt-bindings/gpio/gpio.h>
46    #include <dt-bindings/interrupt-controller/irq.h>
47
48    i2c {
49        #address-cells = <1>;
50        #size-cells = <0>;
51
52        nfc@29 {
53            compatible = "nxp,nxp-nci-i2c";
54
55            reg = <0x29>;
56
57            interrupt-parent = <&gpio1>;
58            interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
59
60            enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
61            firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
62        };
63    };
64