xref: /freebsd/sys/contrib/device-tree/Bindings/net/nfc/nxp,nci.yaml (revision af23369a6deaaeb612ab266eb88b8bb8d560c322) 
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          - 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
32required:
33  - compatible
34  - enable-gpios
35  - interrupts
36  - reg
37
38additionalProperties: false
39
40examples:
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    };
61