1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pwm/pwm-roc 4 $id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Rockchip PWM controller 7 title: Rockchip PWM controller
8 8
9 maintainers: 9 maintainers:
10 - Heiko Stuebner <heiko@sntech.de> 10 - Heiko Stuebner <heiko@sntech.de>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 oneOf: 14 oneOf:
15 - const: rockchip,rk2928-pwm 15 - const: rockchip,rk2928-pwm
16 - const: rockchip,rk3288-pwm 16 - const: rockchip,rk3288-pwm
17 - const: rockchip,rk3328-pwm 17 - const: rockchip,rk3328-pwm
18 - const: rockchip,vop-pwm 18 - const: rockchip,vop-pwm
19 - items: 19 - items:
20 - const: rockchip,rk3036-pwm 20 - const: rockchip,rk3036-pwm
21 - const: rockchip,rk2928-pwm 21 - const: rockchip,rk2928-pwm
22 - items: 22 - items:
23 - enum: 23 - enum:
24 - rockchip,rk3128-pwm 24 - rockchip,rk3128-pwm
25 - rockchip,rk3368-pwm 25 - rockchip,rk3368-pwm
26 - rockchip,rk3399-pwm 26 - rockchip,rk3399-pwm
27 - rockchip,rv1108-pwm 27 - rockchip,rv1108-pwm
28 - const: rockchip,rk3288-pwm 28 - const: rockchip,rk3288-pwm
29 - items: 29 - items:
30 - enum: 30 - enum:
31 - rockchip,px30-pwm 31 - rockchip,px30-pwm
32 - rockchip,rk3308-pwm 32 - rockchip,rk3308-pwm
33 - rockchip,rk3568-pwm 33 - rockchip,rk3568-pwm
34 - rockchip,rk3588-pwm 34 - rockchip,rk3588-pwm
35 - rockchip,rv1126-pwm 35 - rockchip,rv1126-pwm
36 - const: rockchip,rk3328-pwm 36 - const: rockchip,rk3328-pwm
37 37
38 reg: 38 reg:
39 maxItems: 1 39 maxItems: 1
40 40
41 clocks: 41 clocks:
42 minItems: 1 42 minItems: 1
43 maxItems: 2 43 maxItems: 2
44 44
45 clock-names: 45 clock-names:
46 maxItems: 2 46 maxItems: 2
47 47
48 "#pwm-cells": 48 "#pwm-cells":
49 enum: [2, 3] 49 enum: [2, 3]
50 description: 50 description:
51 Must be 2 (rk2928) or 3 (rk3288 and late 51 Must be 2 (rk2928) or 3 (rk3288 and later).
52 See pwm.yaml for a description of the ce 52 See pwm.yaml for a description of the cell format.
53 53
54 required: 54 required:
55 - compatible 55 - compatible
56 - reg 56 - reg
57 57
58 allOf: 58 allOf:
59 - $ref: pwm.yaml# 59 - $ref: pwm.yaml#
60 60
61 - if: 61 - if:
62 properties: 62 properties:
63 compatible: 63 compatible:
64 contains: 64 contains:
65 enum: 65 enum:
66 - rockchip,rk3328-pwm 66 - rockchip,rk3328-pwm
67 - rockchip,rv1108-pwm 67 - rockchip,rv1108-pwm
68 68
69 then: 69 then:
70 properties: 70 properties:
71 clocks: 71 clocks:
72 items: 72 items:
73 - description: Used to derive the 73 - description: Used to derive the functional clock for the device.
74 - description: Used as the APB bus 74 - description: Used as the APB bus clock.
75 75
76 clock-names: 76 clock-names:
77 items: 77 items:
78 - const: pwm 78 - const: pwm
79 - const: pclk 79 - const: pclk
80 80
81 required: 81 required:
82 - clocks 82 - clocks
83 - clock-names 83 - clock-names
84 84
85 else: 85 else:
86 properties: 86 properties:
87 clocks: 87 clocks:
88 maxItems: 1 88 maxItems: 1
89 description: 89 description:
90 Used both to derive the functional 90 Used both to derive the functional clock
91 for the device and as the bus cloc 91 for the device and as the bus clock.
92 92
93 required: 93 required:
94 - clocks 94 - clocks
95 95
96 additionalProperties: false 96 additionalProperties: false
97 97
98 examples: 98 examples:
99 - | 99 - |
100 #include <dt-bindings/clock/rk3188-cru-com 100 #include <dt-bindings/clock/rk3188-cru-common.h>
101 pwm0: pwm@20030000 { 101 pwm0: pwm@20030000 {
102 compatible = "rockchip,rk2928-pwm"; 102 compatible = "rockchip,rk2928-pwm";
103 reg = <0x20030000 0x10>; 103 reg = <0x20030000 0x10>;
104 clocks = <&cru PCLK_PWM01>; 104 clocks = <&cru PCLK_PWM01>;
105 #pwm-cells = <2>; 105 #pwm-cells = <2>;
106 }; 106 };
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