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/st,st21nfca.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: STMicroelectronics SAS ST21NFCA NFC controller
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 properties:
13 compatible:
14 const: st,st21nfca-i2c
15
16 enable-gpios:
17 description: Output GPIO pin used for enabling/disabling the controller
18
19 ese-present:
20 type: boolean
21 description: |
22 Specifies that an ese is physically connected to the controller
23
24 interrupts:
25 maxItems: 1
26
27 reg:
28 maxItems: 1
29
30 uicc-present:
31 type: boolean
32 description: |
33 Specifies that the uicc swp signal can be physically connected to the
34 controller
35
36 required:
37 - compatible
38 - enable-gpios
39 - interrupts
40 - reg
41
42 additionalProperties: false
43
44 examples:
45 - |
46 #include <dt-bindings/gpio/gpio.h>
47 #include <dt-bindings/interrupt-controller/irq.h>
48
49 i2c {
50 #address-cells = <1>;
51 #size-cells = <0>;
52
53 nfc@1 {
54 compatible = "st,st21nfca-i2c";
55 reg = <0x1>;
56
57 interrupt-parent = <&gpio5>;
58 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
59 enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
60
61 ese-present;
62 uicc-present;
63 };
64 };
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