1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A10 PWM
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 properties:
14 "#pwm-cells":
15 const: 3
16
17 compatible:
18 oneOf:
19 - const: allwinner,sun4i-a10-pwm
20 - const: allwinner,sun5i-a10s-pwm
21 - const: allwinner,sun5i-a13-pwm
22 - const: allwinner,sun7i-a20-pwm
23 - const: allwinner,sun8i-h3-pwm
24 - items:
25 - const: allwinner,sun8i-a83t-pwm
26 - const: allwinner,sun8i-h3-pwm
27 - items:
28 - enum:
29 - allwinner,suniv-f1c100s-pwm
30 - allwinner,sun8i-v3s-pwm
31 - const: allwinner,sun7i-a20-pwm
32 - items:
33 - const: allwinner,sun50i-a64-pwm
34 - const: allwinner,sun5i-a13-pwm
35 - items:
36 - const: allwinner,sun50i-h5-pwm
37 - const: allwinner,sun5i-a13-pwm
38 - const: allwinner,sun50i-h6-pwm
39
40 reg:
41 maxItems: 1
42
43 clocks:
44 minItems: 1
45 items:
46 - description: Module Clock
47 - description: Bus Clock
48
49 clock-names:
50 minItems: 1
51 items:
52 - const: mod
53 - const: bus
54
55 resets:
56 maxItems: 1
57
58
59 allOf:
60 - $ref: pwm.yaml#
61
62 - if:
63 properties:
64 compatible:
65 contains:
66 const: allwinner,sun50i-h6-pwm
67
68 then:
69 properties:
70 clocks:
71 maxItems: 2
72
73 clock-names:
74 items:
75 - const: mod
76 - const: bus
77
78 required:
79 - clock-names
80 - resets
81
82 else:
83 properties:
84 clocks:
85 maxItems: 1
86
87 required:
88 - compatible
89 - reg
90 - clocks
91
92 additionalProperties: false
93
94 examples:
95 - |
96 pwm: pwm@1c20e00 {
97 compatible = "allwinner,sun7i-a20-pwm";
98 reg = <0x01c20e00 0xc>;
99 clocks = <&osc24M>;
100 #pwm-cells = <3>;
101 };
102
103 - |
104 #include <dt-bindings/clock/sun50i-h6-ccu.h>
105 #include <dt-bindings/reset/sun50i-h6-ccu.h>
106
107 pwm@300a000 {
108 compatible = "allwinner,sun50i-h6-pwm";
109 reg = <0x0300a000 0x400>;
110 clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
111 clock-names = "mod", "bus";
112 resets = <&ccu RST_BUS_PWM>;
113 #pwm-cells = <3>;
114 };
115
116 ...
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