1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/adi,adp5585.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Analog Devices ADP5585 Keypad Decoder and I/O Expansion
8
9 maintainers:
10 - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
11
12 description:
13 The ADP5585 is a 10/11 input/output port expander with a built in keypad
14 matrix decoder, programmable logic, reset generator, and PWM generator.
15
16 properties:
17 compatible:
18 items:
19 - enum:
20 - adi,adp5585-00 # Default
21 - adi,adp5585-01 # 11 GPIOs
22 - adi,adp5585-02 # No pull-up resistors by default on special pins
23 - adi,adp5585-03 # Alternate I2C address
24 - adi,adp5585-04 # Pull-down resistors on all pins by default
25 - const: adi,adp5585
26
27 reg:
28 maxItems: 1
29
30 interrupts:
31 maxItems: 1
32
33 vdd-supply: true
34
35 gpio-controller: true
36
37 '#gpio-cells':
38 const: 2
39
40 gpio-reserved-ranges: true
41
42 "#pwm-cells":
43 const: 3
44
45 patternProperties:
46 "-hog(-[0-9]+)?$":
47 type: object
48
49 required:
50 - gpio-hog
51
52 required:
53 - compatible
54 - reg
55 - gpio-controller
56 - "#gpio-cells"
57 - "#pwm-cells"
58
59 allOf:
60 - if:
61 properties:
62 compatible:
63 contains:
64 const: adi,adp5585-01
65 then:
66 properties:
67 gpio-reserved-ranges: false
68 else:
69 properties:
70 gpio-reserved-ranges:
71 maxItems: 1
72 items:
73 items:
74 - const: 5
75 - const: 1
76
77 additionalProperties: false
78
79 examples:
80 - |
81 i2c {
82 #address-cells = <1>;
83 #size-cells = <0>;
84
85 io-expander@34 {
86 compatible = "adi,adp5585-00", "adi,adp5585";
87 reg = <0x34>;
88
89 vdd-supply = <®_3v3>;
90
91 gpio-controller;
92 #gpio-cells = <2>;
93 gpio-reserved-ranges = <5 1>;
94
95 #pwm-cells = <3>;
96 };
97 };
98
99 ...
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