1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Aspeed GPIO controller
8
9 maintainers:
10 - Andrew Jeffery <andrew@codeconstruct.com.au>
11
12 properties:
13 compatible:
14 enum:
15 - aspeed,ast2400-gpio
16 - aspeed,ast2500-gpio
17 - aspeed,ast2600-gpio
18
19 reg:
20 maxItems: 1
21
22 clocks:
23 maxItems: 1
24 description: The clock to use for debounce timings
25
26 gpio-controller: true
27 gpio-line-names:
28 minItems: 36
29 maxItems: 232
30
31 gpio-ranges: true
32
33 "#gpio-cells":
34 const: 2
35
36 interrupts:
37 maxItems: 1
38
39 interrupt-controller: true
40
41 "#interrupt-cells":
42 const: 2
43
44 ngpios:
45 minimum: 36
46 maximum: 232
47
48 required:
49 - compatible
50 - reg
51 - interrupts
52 - interrupt-controller
53 - "#interrupt-cells"
54 - gpio-controller
55 - "#gpio-cells"
56
57 allOf:
58 - if:
59 properties:
60 compatible:
61 contains:
62 const: aspeed,ast2400-gpio
63 then:
64 properties:
65 gpio-line-names:
66 minItems: 220
67 maxItems: 220
68 ngpios:
69 const: 220
70 - if:
71 properties:
72 compatible:
73 contains:
74 const: aspeed,ast2500-gpio
75 then:
76 properties:
77 gpio-line-names:
78 minItems: 232
79 maxItems: 232
80 ngpios:
81 const: 232
82 - if:
83 properties:
84 compatible:
85 contains:
86 const: aspeed,ast2600-gpio
87 then:
88 properties:
89 gpio-line-names:
90 minItems: 36
91 maxItems: 208
92 ngpios:
93 enum: [ 36, 208 ]
94 required:
95 - ngpios
96
97 additionalProperties: false
98
99 examples:
100 - |
101 gpio@1e780000 {
102 compatible = "aspeed,ast2400-gpio";
103 reg = <0x1e780000 0x1000>;
104 interrupts = <20>;
105 interrupt-controller;
106 #interrupt-cells = <2>;
107 gpio-controller;
108 #gpio-cells = <2>;
109 };
110 - |
111 gpio: gpio@1e780000 {
112 compatible = "aspeed,ast2500-gpio";
113 reg = <0x1e780000 0x200>;
114 interrupts = <20>;
115 interrupt-controller;
116 #interrupt-cells = <2>;
117 gpio-controller;
118 #gpio-cells = <2>;
119 gpio-ranges = <&pinctrl 0 0 232>;
120 };
121 - |
122 #include <dt-bindings/clock/ast2600-clock.h>
123 #include <dt-bindings/interrupt-controller/arm-gic.h>
124 #include <dt-bindings/interrupt-controller/irq.h>
125 gpio0: gpio@1e780000 {
126 compatible = "aspeed,ast2600-gpio";
127 reg = <0x1e780000 0x400>;
128 clocks = <&syscon ASPEED_CLK_APB2>;
129 interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
130 interrupt-controller;
131 #interrupt-cells = <2>;
132 #gpio-cells = <2>;
133 gpio-controller;
134 gpio-ranges = <&pinctrl 0 0 208>;
135 ngpios = <208>;
136 };
137 gpio1: gpio@1e780800 {
138 compatible = "aspeed,ast2600-gpio";
139 reg = <0x1e780800 0x800>;
140 clocks = <&syscon ASPEED_CLK_APB1>;
141 interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
142 interrupt-controller;
143 #interrupt-cells = <2>;
144 gpio-controller;
145 #gpio-cells = <2>;
146 gpio-ranges = <&pinctrl 0 208 36>;
147 ngpios = <36>;
148 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.