1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pwm/opencores,pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: OpenCores PWM controller
8
9 maintainers:
10 - William Qiu <william.qiu@starfivetech.com>
11
12 description:
13 The OpenCores PTC ip core contains a PWM controller. When operating in PWM
14 mode, the PTC core generates binary signal with user-programmable low and
15 high periods. All PTC counters and registers are 32-bit.
16
17 allOf:
18 - $ref: pwm.yaml#
19
20 properties:
21 compatible:
22 items:
23 - enum:
24 - starfive,jh7100-pwm
25 - starfive,jh7110-pwm
26 - starfive,jh8100-pwm
27 - const: opencores,pwm-v1
28
29 reg:
30 maxItems: 1
31
32 clocks:
33 maxItems: 1
34
35 resets:
36 maxItems: 1
37
38 "#pwm-cells":
39 const: 3
40
41 required:
42 - compatible
43 - reg
44 - clocks
45
46 additionalProperties: false
47
48 examples:
49 - |
50 pwm@12490000 {
51 compatible = "starfive,jh7110-pwm", "opencores,pwm-v1";
52 reg = <0x12490000 0x10000>;
53 clocks = <&clkgen 181>;
54 resets = <&rstgen 109>;
55 #pwm-cells = <3>;
56 };
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