tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Fixed Voltage regulators
8
9maintainers:
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
12
13description:
14 Any property defined as part of the core regulator binding, defined in
15 regulator.yaml, can also be used. However a fixed voltage regulator is
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
17 to be the same.
18
19allOf:
20 - $ref: "regulator.yaml#"
21
22if:
23 properties:
24 compatible:
25 contains:
26 const: regulator-fixed-clock
27 required:
28 - clocks
29
30properties:
31 compatible:
32 enum:
33 - regulator-fixed
34 - regulator-fixed-clock
35
36 regulator-name: true
37
38 gpio:
39 description: gpio to use for enable control
40 maxItems: 1
41
42 clocks:
43 description:
44 clock to use for enable control. This binding is only available if
45 the compatible is chosen to regulator-fixed-clock. The clock binding
46 is mandatory if compatible is chosen to regulator-fixed-clock.
47 maxItems: 1
48
49 startup-delay-us:
50 description: startup time in microseconds
51 $ref: /schemas/types.yaml#/definitions/uint32
52
53 off-on-delay-us:
54 description: off delay time in microseconds
55 $ref: /schemas/types.yaml#/definitions/uint32
56
57 enable-active-high:
58 description:
59 Polarity of GPIO is Active high. If this property is missing,
60 the default assumed is Active low.
61 type: boolean
62
63 gpio-open-drain:
64 description:
65 GPIO is open drain type. If this property is missing then default
66 assumption is false.
67 type: boolean
68
69 vin-supply:
70 description: Input supply phandle.
71
72required:
73 - compatible
74 - regulator-name
75
76examples:
77 - |
78 reg_1v8: regulator-1v8 {
79 compatible = "regulator-fixed";
80 regulator-name = "1v8";
81 regulator-min-microvolt = <1800000>;
82 regulator-max-microvolt = <1800000>;
83 gpio = <&gpio1 16 0>;
84 startup-delay-us = <70000>;
85 enable-active-high;
86 regulator-boot-on;
87 gpio-open-drain;
88 vin-supply = <&parent_reg>;
89 };
90...