1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pwm/apple,s5l-fpwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Apple FPWM controller
8
9 maintainers:
10 - asahi@lists.linux.dev
11 - Sasha Finkelstein <fnkl.kernel@gmail.com>
12
13 description: PWM controller used for keyboard backlight on ARM Macs
14
15 properties:
16 compatible:
17 items:
18 - enum:
19 - apple,t8103-fpwm
20 - apple,t6000-fpwm
21 - apple,t8112-fpwm
22 - const: apple,s5l-fpwm
23
24 reg:
25 maxItems: 1
26
27 clocks:
28 maxItems: 1
29
30 power-domains:
31 maxItems: 1
32
33 "#pwm-cells":
34 const: 2
35
36 required:
37 - compatible
38 - reg
39 - clocks
40
41 additionalProperties: false
42
43 examples:
44 - |
45 pwm@235044000 {
46 compatible = "apple,t8103-fpwm", "apple,s5l-fpwm";
47 reg = <0x35044000 0x4000>;
48 power-domains = <&ps_fpwm1>;
49 clocks = <&clkref>;
50 #pwm-cells = <2>;
51 };
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