xref: /freebsd/sys/contrib/device-tree/Bindings/pinctrl/ralink,rt3883-pinctrl.yaml (revision cb7aa33ac6cd46a5434798e50363136e64f3ae98) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/ralink,rt3883-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Ralink RT3883 Pin Controller
8
9maintainers:
10  - Arınç ÜNAL <arinc.unal@arinc9.com>
11  - Sergio Paracuellos <sergio.paracuellos@gmail.com>
12
13description:
14  Ralink RT3883 pin controller for RT3883 SoC.
15  The pin controller can only set the muxing of pin groups. Muxing individual
16  pins is not supported. There is no pinconf support.
17
18properties:
19  compatible:
20    const: ralink,rt3883-pinctrl
21
22patternProperties:
23  '-pins$':
24    type: object
25    patternProperties:
26      '^(.*-)?pinmux$':
27        type: object
28        description: node for pinctrl.
29        $ref: pinmux-node.yaml#
30
31        properties:
32          function:
33            description:
34              A string containing the name of the function to mux to the group.
35            enum: [ge1, ge2, gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag,
36                   lna a, lna g, mdio, pci-dev, pci-fnc, pci-host1, pci-host2,
37                   pcm gpio, pcm i2s, pcm uartf, spi, uartf, uartlite]
38
39          groups:
40            description:
41              An array of strings. Each string contains the name of a group.
42            maxItems: 1
43
44        required:
45          - groups
46          - function
47
48        allOf:
49          - if:
50              properties:
51                function:
52                  const: ge1
53            then:
54              properties:
55                groups:
56                  enum: [ge1]
57
58          - if:
59              properties:
60                function:
61                  const: ge2
62            then:
63              properties:
64                groups:
65                  enum: [ge2]
66
67          - if:
68              properties:
69                function:
70                  const: gpio
71            then:
72              properties:
73                groups:
74                  enum: [ge1, ge2, i2c, jtag, lna a, lna g, mdio, pci, spi,
75                         uartf, uartlite]
76
77          - if:
78              properties:
79                function:
80                  const: gpio i2s
81            then:
82              properties:
83                groups:
84                  enum: [uartf]
85
86          - if:
87              properties:
88                function:
89                  const: gpio uartf
90            then:
91              properties:
92                groups:
93                  enum: [uartf]
94
95          - if:
96              properties:
97                function:
98                  const: i2c
99            then:
100              properties:
101                groups:
102                  enum: [i2c]
103
104          - if:
105              properties:
106                function:
107                  const: i2s uartf
108            then:
109              properties:
110                groups:
111                  enum: [uartf]
112
113          - if:
114              properties:
115                function:
116                  const: jtag
117            then:
118              properties:
119                groups:
120                  enum: [jtag]
121
122          - if:
123              properties:
124                function:
125                  const: lna a
126            then:
127              properties:
128                groups:
129                  enum: [lna a]
130
131          - if:
132              properties:
133                function:
134                  const: lna g
135            then:
136              properties:
137                groups:
138                  enum: [lna g]
139
140          - if:
141              properties:
142                function:
143                  const: mdio
144            then:
145              properties:
146                groups:
147                  enum: [mdio]
148
149          - if:
150              properties:
151                function:
152                  const: pci-dev
153            then:
154              properties:
155                groups:
156                  enum: [pci]
157
158          - if:
159              properties:
160                function:
161                  const: pci-fnc
162            then:
163              properties:
164                groups:
165                  enum: [pci]
166
167          - if:
168              properties:
169                function:
170                  const: pci-host1
171            then:
172              properties:
173                groups:
174                  enum: [pci]
175
176          - if:
177              properties:
178                function:
179                  const: pci-host2
180            then:
181              properties:
182                groups:
183                  enum: [pci]
184
185          - if:
186              properties:
187                function:
188                  const: pcm gpio
189            then:
190              properties:
191                groups:
192                  enum: [uartf]
193
194          - if:
195              properties:
196                function:
197                  const: pcm i2s
198            then:
199              properties:
200                groups:
201                  enum: [uartf]
202
203          - if:
204              properties:
205                function:
206                  const: pcm uartf
207            then:
208              properties:
209                groups:
210                  enum: [uartf]
211
212          - if:
213              properties:
214                function:
215                  const: spi
216            then:
217              properties:
218                groups:
219                  enum: [spi]
220
221          - if:
222              properties:
223                function:
224                  const: uartf
225            then:
226              properties:
227                groups:
228                  enum: [uartf]
229
230          - if:
231              properties:
232                function:
233                  const: uartlite
234            then:
235              properties:
236                groups:
237                  enum: [uartlite]
238
239        additionalProperties: false
240
241    additionalProperties: false
242
243allOf:
244  - $ref: "pinctrl.yaml#"
245
246required:
247  - compatible
248
249additionalProperties: false
250
251examples:
252  - |
253    pinctrl {
254      compatible = "ralink,rt3883-pinctrl";
255
256      i2c_pins: i2c0-pins {
257        pinmux {
258          groups = "i2c";
259          function = "i2c";
260        };
261      };
262    };
263