1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: EP93xx GPIO controller
8
9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org>
11 - Bartosz Golaszewski <brgl@bgdev.pl>
12 - Nikita Shubin <nikita.shubin@maquefel.me>
13
14 properties:
15 compatible:
16 oneOf:
17 - const: cirrus,ep9301-gpio
18 - items:
19 - enum:
20 - cirrus,ep9302-gpio
21 - cirrus,ep9307-gpio
22 - cirrus,ep9312-gpio
23 - cirrus,ep9315-gpio
24 - const: cirrus,ep9301-gpio
25
26 reg:
27 minItems: 2
28 items:
29 - description: data register
30 - description: direction register
31 - description: interrupt registers base
32
33 reg-names:
34 minItems: 2
35 items:
36 - const: data
37 - const: dir
38 - const: intr
39
40 gpio-controller: true
41
42 gpio-ranges: true
43
44 "#gpio-cells":
45 const: 2
46
47 interrupt-controller: true
48
49 "#interrupt-cells":
50 const: 2
51
52 interrupts:
53 oneOf:
54 - maxItems: 1
55 - description: port F has dedicated irq line for each gpio line
56 maxItems: 8
57
58 required:
59 - compatible
60 - reg
61 - gpio-controller
62 - "#gpio-cells"
63
64 additionalProperties: false
65
66 examples:
67 - |
68 gpio@80840000 {
69 compatible = "cirrus,ep9301-gpio";
70 reg = <0x80840000 0x04>,
71 <0x80840010 0x04>,
72 <0x80840090 0x1c>;
73 reg-names = "data", "dir", "intr";
74 gpio-controller;
75 #gpio-cells = <2>;
76 interrupt-controller;
77 #interrupt-cells = <2>;
78 interrupt-parent = <&vic1>;
79 interrupts = <27>;
80 };
81
82 gpio@80840004 {
83 compatible = "cirrus,ep9301-gpio";
84 reg = <0x80840004 0x04>,
85 <0x80840014 0x04>,
86 <0x808400ac 0x1c>;
87 reg-names = "data", "dir", "intr";
88 gpio-controller;
89 #gpio-cells = <2>;
90 interrupt-controller;
91 #interrupt-cells = <2>;
92 interrupt-parent = <&vic1>;
93 interrupts = <27>;
94 };
95
96 gpio@80840008 {
97 compatible = "cirrus,ep9301-gpio";
98 reg = <0x80840008 0x04>,
99 <0x80840018 0x04>;
100 reg-names = "data", "dir";
101 gpio-controller;
102 #gpio-cells = <2>;
103 };
104
105 gpio@8084000c {
106 compatible = "cirrus,ep9301-gpio";
107 reg = <0x8084000c 0x04>,
108 <0x8084001c 0x04>;
109 reg-names = "data", "dir";
110 gpio-controller;
111 #gpio-cells = <2>;
112 };
113
114 gpio@80840020 {
115 compatible = "cirrus,ep9301-gpio";
116 reg = <0x80840020 0x04>,
117 <0x80840024 0x04>;
118 reg-names = "data", "dir";
119 gpio-controller;
120 #gpio-cells = <2>;
121 };
122
123 gpio@80840030 {
124 compatible = "cirrus,ep9301-gpio";
125 reg = <0x80840030 0x04>,
126 <0x80840034 0x04>,
127 <0x8084004c 0x1c>;
128 reg-names = "data", "dir", "intr";
129 gpio-controller;
130 #gpio-cells = <2>;
131 interrupt-controller;
132 #interrupt-cells = <2>;
133 interrupts-extended = <&vic0 19>, <&vic0 20>,
134 <&vic0 21>, <&vic0 22>,
135 <&vic1 15>, <&vic1 16>,
136 <&vic1 17>, <&vic1 18>;
137 };
138
139 gpio@80840038 {
140 compatible = "cirrus,ep9301-gpio";
141 reg = <0x80840038 0x04>,
142 <0x8084003c 0x04>;
143 reg-names = "data", "dir";
144 gpio-controller;
145 #gpio-cells = <2>;
146 };
147
148 gpio@80840040 {
149 compatible = "cirrus,ep9301-gpio";
150 reg = <0x80840040 0x04>,
151 <0x80840044 0x04>;
152 reg-names = "data", "dir";
153 gpio-controller;
154 #gpio-cells = <2>;
155 };
156
157 ...
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