1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/loongson,ls-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Loongson GPIO controller.
8
9 maintainers:
10 - Yinbo Zhu <zhuyinbo@loongson.cn>
11
12 properties:
13 compatible:
14 oneOf:
15 - enum:
16 - loongson,ls2k-gpio
17 - loongson,ls2k0500-gpio0
18 - loongson,ls2k0500-gpio1
19 - loongson,ls2k2000-gpio0
20 - loongson,ls2k2000-gpio1
21 - loongson,ls2k2000-gpio2
22 - loongson,ls3a5000-gpio
23 - loongson,ls7a-gpio
24 - items:
25 - const: loongson,ls2k1000-gpio
26 - const: loongson,ls2k-gpio
27 - items:
28 - const: loongson,ls7a1000-gpio
29 - const: loongson,ls7a-gpio
30
31 reg:
32 maxItems: 1
33
34 ngpios:
35 minimum: 1
36 maximum: 64
37
38 "#gpio-cells":
39 const: 2
40
41 gpio-controller: true
42
43 gpio-ranges: true
44
45 interrupts:
46 minItems: 1
47 maxItems: 64
48
49 required:
50 - compatible
51 - reg
52 - ngpios
53 - "#gpio-cells"
54 - gpio-controller
55 - gpio-ranges
56 - interrupts
57
58 additionalProperties: false
59
60 examples:
61 - |
62 #include <dt-bindings/interrupt-controller/irq.h>
63
64 gpio0: gpio@1fe00500 {
65 compatible = "loongson,ls2k1000-gpio", "loongson,ls2k-gpio";
66 reg = <0x1fe00500 0x38>;
67 ngpios = <64>;
68 #gpio-cells = <2>;
69 gpio-controller;
70 gpio-ranges = <&pctrl 0 0 15>,
71 <&pctrl 16 16 15>,
72 <&pctrl 32 32 10>,
73 <&pctrl 44 44 20>;
74 interrupt-parent = <&liointc1>;
75 interrupts = <28 IRQ_TYPE_LEVEL_LOW>,
76 <29 IRQ_TYPE_LEVEL_LOW>,
77 <30 IRQ_TYPE_LEVEL_LOW>,
78 <30 IRQ_TYPE_LEVEL_LOW>,
79 <26 IRQ_TYPE_LEVEL_LOW>,
80 <26 IRQ_TYPE_LEVEL_LOW>,
81 <26 IRQ_TYPE_LEVEL_LOW>,
82 <26 IRQ_TYPE_LEVEL_LOW>,
83 <26 IRQ_TYPE_LEVEL_LOW>,
84 <26 IRQ_TYPE_LEVEL_LOW>,
85 <26 IRQ_TYPE_LEVEL_LOW>,
86 <26 IRQ_TYPE_LEVEL_LOW>,
87 <26 IRQ_TYPE_LEVEL_LOW>,
88 <26 IRQ_TYPE_LEVEL_LOW>,
89 <26 IRQ_TYPE_LEVEL_LOW>,
90 <>,
91 <26 IRQ_TYPE_LEVEL_LOW>,
92 <26 IRQ_TYPE_LEVEL_LOW>,
93 <26 IRQ_TYPE_LEVEL_LOW>,
94 <26 IRQ_TYPE_LEVEL_LOW>,
95 <26 IRQ_TYPE_LEVEL_LOW>,
96 <26 IRQ_TYPE_LEVEL_LOW>,
97 <26 IRQ_TYPE_LEVEL_LOW>,
98 <26 IRQ_TYPE_LEVEL_LOW>,
99 <26 IRQ_TYPE_LEVEL_LOW>,
100 <26 IRQ_TYPE_LEVEL_LOW>,
101 <26 IRQ_TYPE_LEVEL_LOW>,
102 <26 IRQ_TYPE_LEVEL_LOW>,
103 <26 IRQ_TYPE_LEVEL_LOW>,
104 <26 IRQ_TYPE_LEVEL_LOW>,
105 <26 IRQ_TYPE_LEVEL_LOW>,
106 <26 IRQ_TYPE_LEVEL_LOW>,
107 <27 IRQ_TYPE_LEVEL_LOW>,
108 <27 IRQ_TYPE_LEVEL_LOW>,
109 <27 IRQ_TYPE_LEVEL_LOW>,
110 <27 IRQ_TYPE_LEVEL_LOW>,
111 <27 IRQ_TYPE_LEVEL_LOW>,
112 <>,
113 <27 IRQ_TYPE_LEVEL_LOW>,
114 <27 IRQ_TYPE_LEVEL_LOW>,
115 <27 IRQ_TYPE_LEVEL_LOW>,
116 <27 IRQ_TYPE_LEVEL_LOW>,
117 <>,
118 <>,
119 <27 IRQ_TYPE_LEVEL_LOW>,
120 <27 IRQ_TYPE_LEVEL_LOW>,
121 <27 IRQ_TYPE_LEVEL_LOW>,
122 <27 IRQ_TYPE_LEVEL_LOW>,
123 <27 IRQ_TYPE_LEVEL_LOW>,
124 <27 IRQ_TYPE_LEVEL_LOW>,
125 <27 IRQ_TYPE_LEVEL_LOW>,
126 <27 IRQ_TYPE_LEVEL_LOW>,
127 <27 IRQ_TYPE_LEVEL_LOW>,
128 <27 IRQ_TYPE_LEVEL_LOW>,
129 <27 IRQ_TYPE_LEVEL_LOW>,
130 <27 IRQ_TYPE_LEVEL_LOW>,
131 <27 IRQ_TYPE_LEVEL_LOW>,
132 <27 IRQ_TYPE_LEVEL_LOW>,
133 <27 IRQ_TYPE_LEVEL_LOW>,
134 <27 IRQ_TYPE_LEVEL_LOW>,
135 <27 IRQ_TYPE_LEVEL_LOW>,
136 <27 IRQ_TYPE_LEVEL_LOW>,
137 <27 IRQ_TYPE_LEVEL_LOW>,
138 <27 IRQ_TYPE_LEVEL_LOW>;
139 };
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