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/sam 4 $id: http://devicetree.org/schemas/net/nfc/samsung,s3fwrn5.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Samsung S3FWRN5 NCI NFC Controller 7 title: Samsung S3FWRN5 NCI 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 enum: 14 enum:
15 - samsung,s3fwrn5-i2c 15 - samsung,s3fwrn5-i2c
16 - samsung,s3fwrn82 16 - samsung,s3fwrn82
17 17
18 en-gpios: 18 en-gpios:
19 maxItems: 1 19 maxItems: 1
20 description: 20 description:
21 Output GPIO pin used for enabling/disabl 21 Output GPIO pin used for enabling/disabling the chip
22 22
23 interrupts: 23 interrupts:
24 maxItems: 1 24 maxItems: 1
25 25
26 reg: 26 reg:
27 maxItems: 1 27 maxItems: 1
28 28
29 clocks: 29 clocks:
30 maxItems: 1 30 maxItems: 1
31 31
32 wake-gpios: 32 wake-gpios:
33 maxItems: 1 33 maxItems: 1
34 description: 34 description:
35 Output GPIO pin used to enter firmware m 35 Output GPIO pin used to enter firmware mode and sleep/wakeup control
36 36
37 s3fwrn5,en-gpios: 37 s3fwrn5,en-gpios:
38 maxItems: 1 38 maxItems: 1
39 deprecated: true 39 deprecated: true
40 description: 40 description:
41 Use en-gpios 41 Use en-gpios
42 42
43 s3fwrn5,fw-gpios: 43 s3fwrn5,fw-gpios:
44 maxItems: 1 44 maxItems: 1
45 deprecated: true 45 deprecated: true
46 description: 46 description:
47 Use wake-gpios 47 Use wake-gpios
48 48
49 additionalProperties: false 49 additionalProperties: false
50 50
51 required: 51 required:
52 - compatible 52 - compatible
53 - en-gpios 53 - en-gpios
54 - wake-gpios 54 - wake-gpios
55 55
56 allOf: 56 allOf:
57 - if: 57 - if:
58 properties: 58 properties:
59 compatible: 59 compatible:
60 contains: 60 contains:
61 const: samsung,s3fwrn5-i2c 61 const: samsung,s3fwrn5-i2c
62 then: 62 then:
63 required: 63 required:
64 - interrupts 64 - interrupts
65 - reg 65 - reg
66 66
67 examples: 67 examples:
68 - | 68 - |
69 #include <dt-bindings/gpio/gpio.h> 69 #include <dt-bindings/gpio/gpio.h>
70 #include <dt-bindings/interrupt-controller 70 #include <dt-bindings/interrupt-controller/irq.h>
71 71
72 i2c { 72 i2c {
73 #address-cells = <1>; 73 #address-cells = <1>;
74 #size-cells = <0>; 74 #size-cells = <0>;
75 75
76 s3fwrn5@27 { 76 s3fwrn5@27 {
77 compatible = "samsung,s3fwrn5-i2c" 77 compatible = "samsung,s3fwrn5-i2c";
78 reg = <0x27>; 78 reg = <0x27>;
79 79
80 interrupt-parent = <&gpa1>; 80 interrupt-parent = <&gpa1>;
81 interrupts = <3 IRQ_TYPE_EDGE_RISI 81 interrupts = <3 IRQ_TYPE_EDGE_RISING>;
82 82
83 en-gpios = <&gpf1 4 GPIO_ACTIVE_HI 83 en-gpios = <&gpf1 4 GPIO_ACTIVE_HIGH>;
84 wake-gpios = <&gpj0 2 GPIO_ACTIVE_ 84 wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>;
85 85
86 clocks = <&rpmcc 20>; 86 clocks = <&rpmcc 20>;
87 }; 87 };
88 }; 88 };
89 # UART example on Raspberry Pi 89 # UART example on Raspberry Pi
90 - | 90 - |
91 uart0 { 91 uart0 {
92 nfc { 92 nfc {
93 compatible = "samsung,s3fwrn82"; 93 compatible = "samsung,s3fwrn82";
94 94
95 en-gpios = <&gpio 20 GPIO_ACTIVE_H 95 en-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
96 wake-gpios = <&gpio 16 GPIO_ACTIVE 96 wake-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
97 97
98 }; 98 };
99 }; 99 };
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