1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pwm/imx-pwm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale i.MX PWM controller
maintainers:
- Philipp Zabel <p.zabel@pengutronix.de>
allOf:
- $ref: pwm.yaml#
properties:
"#pwm-cells":
description: |
Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
in this directory for a description of the cells format.
enum:
- 2
- 3
compatible:
oneOf:
- enum:
- fsl,imx1-pwm
- fsl,imx27-pwm
- items:
- enum:
- fsl,imx25-pwm
- fsl,imx31-pwm
- fsl,imx50-pwm
- fsl,imx51-pwm
- fsl,imx53-pwm
- fsl,imx6q-pwm
- fsl,imx6sl-pwm
- fsl,imx6sll-pwm
- fsl,imx6sx-pwm
- fsl,imx6ul-pwm
- fsl,imx7d-pwm
- fsl,imx8mm-pwm
- fsl,imx8mn-pwm
- fsl,imx8mp-pwm
- fsl,imx8mq-pwm
- fsl,imx8qxp-pwm
- const: fsl,imx27-pwm
reg:
maxItems: 1
clocks:
items:
- description: SoC PWM ipg clock
- description: SoC PWM per clock
clock-names:
items:
- const: ipg
- const: per
interrupts:
maxItems: 1
power-domains:
maxItems: 1
required:
- compatible
- reg
- clocks
- clock-names
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/imx5-clock.h>
pwm@53fb4000 {
#pwm-cells = <3>;
compatible = "fsl,imx27-pwm";
reg = <0x53fb4000 0x4000>;
clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>,
<&clks IMX5_CLK_PWM1_HF_GATE>;
clock-names = "ipg", "per";
interrupts = <61>;
};
|