1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/gpio-davinci.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: GPIO controller for Davinci and keystone devices
8
9maintainers:
10  - Keerthy <j-keerthy@ti.com>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - ti,k2g-gpio
18              - ti,am654-gpio
19              - ti,j721e-gpio
20              - ti,am64-gpio
21          - const: ti,keystone-gpio
22
23      - items:
24          - enum:
25              - ti,dm6441-gpio
26              - ti,keystone-gpio
27
28  reg:
29    maxItems: 1
30
31  gpio-controller: true
32
33  gpio-ranges: true
34
35  gpio-line-names:
36    description: strings describing the names of each gpio line.
37    minItems: 1
38    maxItems: 144
39
40  "#gpio-cells":
41    const: 2
42    description:
43      first cell is the pin number and second cell is used to specify optional parameters (unused).
44
45  interrupts:
46    description:
47      The interrupts are specified as per the interrupt parent. Only banked
48      or unbanked IRQs are supported at a time. If the interrupts are
49      banked then provide list of interrupts corresponding to each bank, else
50      provide the list of interrupts for each gpio.
51    minItems: 1
52    maxItems: 100
53
54  ti,ngpio:
55    $ref: /schemas/types.yaml#/definitions/uint32
56    description: The number of GPIO pins supported consecutively.
57    minimum: 1
58
59  ti,davinci-gpio-unbanked:
60    $ref: /schemas/types.yaml#/definitions/uint32
61    description: The number of GPIOs that have an individual interrupt line to processor.
62    minimum: 0
63
64  clocks:
65    maxItems: 1
66
67  clock-names:
68    const: gpio
69
70  interrupt-controller: true
71
72  power-domains:
73    maxItems: 1
74
75  "#interrupt-cells":
76    const: 2
77
78patternProperties:
79  "^(.+-hog(-[0-9]+)?)$":
80    type: object
81
82    required:
83      - gpio-hog
84
85required:
86  - compatible
87  - reg
88  - gpio-controller
89  - "#gpio-cells"
90  - interrupts
91  - ti,ngpio
92  - ti,davinci-gpio-unbanked
93  - clocks
94  - clock-names
95
96additionalProperties: false
97
98examples:
99  - |
100    #include<dt-bindings/interrupt-controller/arm-gic.h>
101
102    gpio0: gpio@2603000 {
103      compatible = "ti,k2g-gpio", "ti,keystone-gpio";
104      reg = <0x02603000 0x100>;
105      gpio-controller;
106      #gpio-cells = <2>;
107      interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
108                   <GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
109                   <GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
110                   <GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
111                   <GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
112                   <GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
113                   <GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
114                   <GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
115                   <GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
116      interrupt-controller;
117      #interrupt-cells = <2>;
118      ti,ngpio = <144>;
119      ti,davinci-gpio-unbanked = <0>;
120      clocks = <&k2g_clks 0x001b 0x0>;
121      clock-names = "gpio";
122    };
123
124  - |
125    #include<dt-bindings/interrupt-controller/arm-gic.h>
126
127    gpio1: gpio@260bf00 {
128      compatible = "ti,keystone-gpio";
129      reg = <0x0260bf00 0x100>;
130      gpio-controller;
131      #gpio-cells = <2>;
132      /* HW Interrupts mapped to GPIO pins */
133      interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>,
134                   <GIC_SPI 121 IRQ_TYPE_EDGE_RISING>,
135                   <GIC_SPI 122 IRQ_TYPE_EDGE_RISING>,
136                   <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>,
137                   <GIC_SPI 124 IRQ_TYPE_EDGE_RISING>,
138                   <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>,
139                   <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>,
140                   <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>,
141                   <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>,
142                   <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>,
143                   <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>,
144                   <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>,
145                   <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>,
146                   <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>,
147                   <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>,
148                   <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>,
149                   <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>,
150                   <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>,
151                   <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>,
152                   <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>,
153                   <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>,
154                   <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>,
155                   <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>,
156                   <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>,
157                   <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>,
158                   <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>,
159                   <GIC_SPI 146 IRQ_TYPE_EDGE_RISING>,
160                   <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>,
161                   <GIC_SPI 148 IRQ_TYPE_EDGE_RISING>,
162                   <GIC_SPI 149 IRQ_TYPE_EDGE_RISING>,
163                   <GIC_SPI 150 IRQ_TYPE_EDGE_RISING>,
164                   <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>;
165      clocks = <&clkgpio>;
166      clock-names = "gpio";
167      ti,ngpio = <32>;
168      ti,davinci-gpio-unbanked = <32>;
169    };
170
171  - |
172    wkup_gpio0: gpio0@42110000 {
173      compatible = "ti,am654-gpio", "ti,keystone-gpio";
174      reg = <0x42110000 0x100>;
175      gpio-controller;
176      #gpio-cells = <2>;
177      interrupt-parent = <&intr_wkup_gpio>;
178      interrupts = <60>, <61>, <62>, <63>;
179      interrupt-controller;
180      #interrupt-cells = <2>;
181      ti,ngpio = <56>;
182      ti,davinci-gpio-unbanked = <0>;
183      clocks = <&k3_clks 59 0>;
184      clock-names = "gpio";
185    };
186