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/mar 4 $id: http://devicetree.org/schemas/net/nfc/marvell,nci.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Marvell International Ltd. NCI NFC cont 7 title: Marvell International Ltd. 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 - marvell,nfc-i2c 15 - marvell,nfc-i2c
16 - marvell,nfc-spi 16 - marvell,nfc-spi
17 - marvell,nfc-uart 17 - marvell,nfc-uart
18 18
19 hci-muxed: 19 hci-muxed:
20 type: boolean 20 type: boolean
21 description: | 21 description: |
22 Specifies that the chip is muxing NCI ov 22 Specifies that the chip is muxing NCI over HCI frames
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 reset-n-io: 30 reset-n-io:
31 $ref: /schemas/types.yaml#/definitions/pha 31 $ref: /schemas/types.yaml#/definitions/phandle-array
32 maxItems: 1 32 maxItems: 1
33 description: | 33 description: |
34 Output GPIO pin used to reset the chip ( 34 Output GPIO pin used to reset the chip (active low)
35 35
36 i2c-int-falling: 36 i2c-int-falling:
37 type: boolean 37 type: boolean
38 description: | 38 description: |
39 For I2C type of connection. Specifies th 39 For I2C type of connection. Specifies that the chip read event shall be
40 triggered on falling edge. 40 triggered on falling edge.
41 41
42 i2c-int-rising: 42 i2c-int-rising:
43 type: boolean 43 type: boolean
44 description: | 44 description: |
45 For I2C type of connection. Specifies t 45 For I2C type of connection. Specifies that the chip read event shall be
46 triggered on rising edge. 46 triggered on rising edge.
47 47
48 break-control: 48 break-control:
49 type: boolean 49 type: boolean
50 description: | 50 description: |
51 For UART type of connection. Specifies t 51 For UART type of connection. Specifies that the chip needs specific break
52 management. 52 management.
53 53
54 flow-control: 54 flow-control:
55 type: boolean 55 type: boolean
56 description: | 56 description: |
57 For UART type of connection. Specifies t 57 For UART type of connection. Specifies that the chip is using RTS/CTS.
58 58
59 spi-cpha: true 59 spi-cpha: true
60 spi-cpol: true 60 spi-cpol: true
61 61
62 required: 62 required:
63 - compatible 63 - compatible
64 64
65 allOf: 65 allOf:
66 - if: 66 - if:
67 properties: 67 properties:
68 compatible: 68 compatible:
69 contains: 69 contains:
70 const: marvell,nfc-i2c 70 const: marvell,nfc-i2c
71 then: 71 then:
72 properties: 72 properties:
73 break-control: false 73 break-control: false
74 flow-control: false 74 flow-control: false
75 spi-cpha: false 75 spi-cpha: false
76 spi-cpol: false 76 spi-cpol: false
77 spi-max-frequency: false 77 spi-max-frequency: false
78 required: 78 required:
79 - reg 79 - reg
80 80
81 - if: 81 - if:
82 properties: 82 properties:
83 compatible: 83 compatible:
84 contains: 84 contains:
85 const: marvell,nfc-spi 85 const: marvell,nfc-spi
86 then: 86 then:
87 $ref: /schemas/spi/spi-peripheral-props. 87 $ref: /schemas/spi/spi-peripheral-props.yaml#
88 properties: 88 properties:
89 break-control: false 89 break-control: false
90 flow-control: false 90 flow-control: false
91 i2c-int-falling: false 91 i2c-int-falling: false
92 i2c-int-rising: false 92 i2c-int-rising: false
93 required: 93 required:
94 - reg 94 - reg
95 95
96 - if: 96 - if:
97 properties: 97 properties:
98 compatible: 98 compatible:
99 contains: 99 contains:
100 const: marvell,nfc-uart 100 const: marvell,nfc-uart
101 then: 101 then:
102 properties: 102 properties:
103 i2c-int-falling: false 103 i2c-int-falling: false
104 i2c-int-rising: false 104 i2c-int-rising: false
105 interrupts: false 105 interrupts: false
106 spi-cpha: false 106 spi-cpha: false
107 spi-cpol: false 107 spi-cpol: false
108 spi-max-frequency: false 108 spi-max-frequency: false
109 reg: false 109 reg: false
110 110
111 unevaluatedProperties: false 111 unevaluatedProperties: false
112 112
113 examples: 113 examples:
114 - | 114 - |
115 #include <dt-bindings/gpio/gpio.h> 115 #include <dt-bindings/gpio/gpio.h>
116 #include <dt-bindings/interrupt-controller 116 #include <dt-bindings/interrupt-controller/irq.h>
117 117
118 i2c { 118 i2c {
119 #address-cells = <1>; 119 #address-cells = <1>;
120 #size-cells = <0>; 120 #size-cells = <0>;
121 121
122 nfc@8 { 122 nfc@8 {
123 compatible = "marvell,nfc-i2c"; 123 compatible = "marvell,nfc-i2c";
124 reg = <0x8>; 124 reg = <0x8>;
125 125
126 interrupt-parent = <&gpio3>; 126 interrupt-parent = <&gpio3>;
127 interrupts = <21 IRQ_TYPE_EDGE_RIS 127 interrupts = <21 IRQ_TYPE_EDGE_RISING>;
128 128
129 i2c-int-rising; 129 i2c-int-rising;
130 130
131 reset-n-io = <&gpio3 19 GPIO_ACTIV 131 reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
132 }; 132 };
133 }; 133 };
134 134
135 - | 135 - |
136 #include <dt-bindings/gpio/gpio.h> 136 #include <dt-bindings/gpio/gpio.h>
137 #include <dt-bindings/interrupt-controller 137 #include <dt-bindings/interrupt-controller/irq.h>
138 138
139 spi { 139 spi {
140 #address-cells = <1>; 140 #address-cells = <1>;
141 #size-cells = <0>; 141 #size-cells = <0>;
142 142
143 nfc@0 { 143 nfc@0 {
144 compatible = "marvell,nfc-spi"; 144 compatible = "marvell,nfc-spi";
145 reg = <0>; 145 reg = <0>;
146 146
147 spi-max-frequency = <3000000>; 147 spi-max-frequency = <3000000>;
148 spi-cpha; 148 spi-cpha;
149 spi-cpol; 149 spi-cpol;
150 150
151 interrupt-parent = <&gpio1>; 151 interrupt-parent = <&gpio1>;
152 interrupts = <17 IRQ_TYPE_EDGE_RIS 152 interrupts = <17 IRQ_TYPE_EDGE_RISING>;
153 153
154 reset-n-io = <&gpio3 19 GPIO_ACTIV 154 reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>;
155 }; 155 };
156 }; 156 };
157 157
158 - | 158 - |
159 #include <dt-bindings/gpio/gpio.h> 159 #include <dt-bindings/gpio/gpio.h>
160 160
161 uart { 161 uart {
162 nfc { 162 nfc {
163 compatible = "marvell,nfc-uart"; 163 compatible = "marvell,nfc-uart";
164 164
165 reset-n-io = <&gpio3 16 GPIO_ACTIV 165 reset-n-io = <&gpio3 16 GPIO_ACTIVE_LOW>;
166 166
167 hci-muxed; 167 hci-muxed;
168 flow-control; 168 flow-control;
169 }; 169 };
170 }; 170 };
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