xref: /freebsd/sys/contrib/device-tree/Bindings/pwm/imx-pwm.yaml (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pwm/imx-pwm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale i.MX PWM controller
8
9maintainers:
10  - Philipp Zabel <p.zabel@pengutronix.de>
11
12allOf:
13  - $ref: pwm.yaml#
14
15properties:
16  "#pwm-cells":
17    description:
18      The only third cell flag supported by this binding is
19      PWM_POLARITY_INVERTED. fsl,imx1-pwm does not support this flags.
20    const: 3
21
22  compatible:
23    oneOf:
24      - enum:
25          - fsl,imx1-pwm
26          - fsl,imx27-pwm
27      - items:
28          - enum:
29              - fsl,imx25-pwm
30              - fsl,imx31-pwm
31              - fsl,imx50-pwm
32              - fsl,imx51-pwm
33              - fsl,imx53-pwm
34              - fsl,imx6q-pwm
35              - fsl,imx6sl-pwm
36              - fsl,imx6sll-pwm
37              - fsl,imx6sx-pwm
38              - fsl,imx6ul-pwm
39              - fsl,imx7d-pwm
40              - fsl,imx8mm-pwm
41              - fsl,imx8mn-pwm
42              - fsl,imx8mp-pwm
43              - fsl,imx8mq-pwm
44              - fsl,imx8qxp-pwm
45          - const: fsl,imx27-pwm
46
47  reg:
48    maxItems: 1
49
50  clocks:
51    items:
52      - description: SoC PWM ipg clock
53      - description: SoC PWM per clock
54
55  clock-names:
56    items:
57      - const: ipg
58      - const: per
59
60  interrupts:
61    maxItems: 1
62
63  power-domains:
64    maxItems: 1
65
66required:
67  - compatible
68  - reg
69  - clocks
70  - clock-names
71  - interrupts
72
73additionalProperties: false
74
75examples:
76  - |
77    #include <dt-bindings/clock/imx5-clock.h>
78
79    pwm@53fb4000 {
80        #pwm-cells = <3>;
81        compatible = "fsl,imx27-pwm";
82        reg = <0x53fb4000 0x4000>;
83        clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>,
84                 <&clks IMX5_CLK_PWM1_HF_GATE>;
85        clock-names = "ipg", "per";
86        interrupts = <61>;
87    };
88