1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/net/nfc/st, 4 $id: http://devicetree.org/schemas/net/nfc/st,st21nfca.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: STMicroelectronics SAS ST21NFCA NFC con 7 title: STMicroelectronics SAS ST21NFCA NFC controller
8 8
9 maintainers: 9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org> 10 - Krzysztof Kozlowski <krzk@kernel.org>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 const: st,st21nfca-i2c 14 const: st,st21nfca-i2c
15 15
16 enable-gpios: 16 enable-gpios:
17 description: Output GPIO pin used for enab 17 description: Output GPIO pin used for enabling/disabling the controller
18 18
19 ese-present: 19 ese-present:
20 type: boolean 20 type: boolean
21 description: | 21 description: |
22 Specifies that an ese is physically conn 22 Specifies that an ese is physically connected to the controller
23 23
24 interrupts: 24 interrupts:
25 maxItems: 1 25 maxItems: 1
26 26
27 reg: 27 reg:
28 maxItems: 1 28 maxItems: 1
29 29
30 uicc-present: 30 uicc-present:
31 type: boolean 31 type: boolean
32 description: | 32 description: |
33 Specifies that the uicc swp signal can b 33 Specifies that the uicc swp signal can be physically connected to the
34 controller 34 controller
35 35
36 required: 36 required:
37 - compatible 37 - compatible
38 - enable-gpios 38 - enable-gpios
39 - interrupts 39 - interrupts
40 - reg 40 - reg
41 41
42 additionalProperties: false 42 additionalProperties: false
43 43
44 examples: 44 examples:
45 - | 45 - |
46 #include <dt-bindings/gpio/gpio.h> 46 #include <dt-bindings/gpio/gpio.h>
47 #include <dt-bindings/interrupt-controller 47 #include <dt-bindings/interrupt-controller/irq.h>
48 48
49 i2c { 49 i2c {
50 #address-cells = <1>; 50 #address-cells = <1>;
51 #size-cells = <0>; 51 #size-cells = <0>;
52 52
53 nfc@1 { 53 nfc@1 {
54 compatible = "st,st21nfca-i2c"; 54 compatible = "st,st21nfca-i2c";
55 reg = <0x1>; 55 reg = <0x1>;
56 56
57 interrupt-parent = <&gpio5>; 57 interrupt-parent = <&gpio5>;
58 interrupts = <2 IRQ_TYPE_LEVEL_LOW 58 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
59 enable-gpios = <&gpio5 29 GPIO_ACT 59 enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
60 60
61 ese-present; 61 ese-present;
62 uicc-present; 62 uicc-present;
63 }; 63 };
64 }; 64 };
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