xref: /freebsd/sys/contrib/device-tree/Bindings/pwm/pwm-tiecap.yaml (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pwm/pwm-tiecap.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: TI SOC ECAP based APWM controller
8
9maintainers:
10  - Vignesh R <vigneshr@ti.com>
11
12allOf:
13  - $ref: pwm.yaml#
14
15properties:
16  compatible:
17    oneOf:
18      - const: ti,am3352-ecap
19      - items:
20          - enum:
21              - ti,da850-ecap
22              - ti,am4372-ecap
23              - ti,dra746-ecap
24              - ti,k2g-ecap
25              - ti,am654-ecap
26              - ti,am64-ecap
27          - const: ti,am3352-ecap
28
29  reg:
30    maxItems: 1
31
32  "#pwm-cells":
33    const: 3
34    description: |
35      See pwm.yaml in this directory for a description of the cells format.
36      The only third cell flag supported by this binding is PWM_POLARITY_INVERTED.
37
38  clock-names:
39    const: fck
40
41  clocks:
42    maxItems: 1
43
44  power-domains:
45    maxItems: 1
46
47required:
48  - compatible
49  - reg
50  - "#pwm-cells"
51  - clocks
52  - clock-names
53
54additionalProperties: false
55
56examples:
57  - |
58    ecap0: pwm@48300100 { /* ECAP on am33xx */
59        compatible = "ti,am3352-ecap";
60        #pwm-cells = <3>;
61        reg = <0x48300100 0x80>;
62        clocks = <&l4ls_gclk>;
63        clock-names = "fck";
64    };
65