1 # SPDX-License-Identifier: GPL-2.0-only OR BSD
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/med
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: MediaTek MT7621 Pin Controller
8
9 maintainers:
10 - Arınç ÜNAL <arinc.unal@arinc9.com>
11 - Sergio Paracuellos <sergio.paracuellos@gmai
12
13 description: |
14 MediaTek MT7621 pin controller for MT7621 So
15 The pin controller can only set the muxing o
16 pins is not supported. There is no pinconf s
17
18 properties:
19 compatible:
20 const: ralink,mt7621-pinctrl
21
22 patternProperties:
23 '-pins$':
24 type: object
25 additionalProperties: false
26
27 patternProperties:
28 '^(.*-)?pinmux$':
29 type: object
30 description: node for pinctrl.
31 $ref: pinmux-node.yaml#
32 additionalProperties: false
33
34 properties:
35 function:
36 description:
37 A string containing the name of
38 enum: [gpio, i2c, i2s, jtag, mdio,
39 pcie rst, pcm, rgmii1, rgmi
40 uart1, uart2, uart3, wdt re
41
42 groups:
43 description:
44 An array of strings. Each string
45 maxItems: 1
46
47 required:
48 - groups
49 - function
50
51 allOf:
52 - if:
53 properties:
54 function:
55 const: gpio
56 then:
57 properties:
58 groups:
59 enum: [i2c, jtag, mdio, pcie
60 uart1, uart2, uart3,
61
62 - if:
63 properties:
64 function:
65 const: i2c
66 then:
67 properties:
68 groups:
69 enum: [i2c]
70
71 - if:
72 properties:
73 function:
74 const: i2s
75 then:
76 properties:
77 groups:
78 enum: [uart3]
79
80 - if:
81 properties:
82 function:
83 const: jtag
84 then:
85 properties:
86 groups:
87 enum: [jtag]
88
89 - if:
90 properties:
91 function:
92 const: mdio
93 then:
94 properties:
95 groups:
96 enum: [mdio]
97
98 - if:
99 properties:
100 function:
101 const: nand1
102 then:
103 properties:
104 groups:
105 enum: [spi]
106
107 - if:
108 properties:
109 function:
110 const: nand2
111 then:
112 properties:
113 groups:
114 enum: [sdhci]
115
116 - if:
117 properties:
118 function:
119 const: pcie refclk
120 then:
121 properties:
122 groups:
123 enum: [pcie]
124
125 - if:
126 properties:
127 function:
128 const: pcie rst
129 then:
130 properties:
131 groups:
132 enum: [pcie]
133
134 - if:
135 properties:
136 function:
137 const: pcm
138 then:
139 properties:
140 groups:
141 enum: [uart2]
142
143 - if:
144 properties:
145 function:
146 const: rgmii1
147 then:
148 properties:
149 groups:
150 enum: [rgmii1]
151
152 - if:
153 properties:
154 function:
155 const: rgmii2
156 then:
157 properties:
158 groups:
159 enum: [rgmii2]
160
161 - if:
162 properties:
163 function:
164 const: sdhci
165 then:
166 properties:
167 groups:
168 enum: [sdhci]
169
170 - if:
171 properties:
172 function:
173 const: spdif2
174 then:
175 properties:
176 groups:
177 enum: [uart2]
178
179 - if:
180 properties:
181 function:
182 const: spdif3
183 then:
184 properties:
185 groups:
186 enum: [uart3]
187
188 - if:
189 properties:
190 function:
191 const: spi
192 then:
193 properties:
194 groups:
195 enum: [spi]
196
197 - if:
198 properties:
199 function:
200 const: uart1
201 then:
202 properties:
203 groups:
204 enum: [uart1]
205
206 - if:
207 properties:
208 function:
209 const: uart2
210 then:
211 properties:
212 groups:
213 enum: [uart2]
214
215 - if:
216 properties:
217 function:
218 const: uart3
219 then:
220 properties:
221 groups:
222 enum: [uart3]
223
224 - if:
225 properties:
226 function:
227 const: wdt refclk
228 then:
229 properties:
230 groups:
231 enum: [wdt]
232
233 - if:
234 properties:
235 function:
236 const: wdt rst
237 then:
238 properties:
239 groups:
240 enum: [wdt]
241
242 allOf:
243 - $ref: pinctrl.yaml#
244
245 required:
246 - compatible
247
248 additionalProperties: false
249
250 examples:
251 - |
252 pinctrl {
253 compatible = "ralink,mt7621-pinctrl";
254
255 i2c_pins: i2c0-pins {
256 pinmux {
257 groups = "i2c";
258 function = "i2c";
259 };
260 };
261 };
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