1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pwm/pwm-tie 4 $id: http://devicetree.org/schemas/pwm/pwm-tiehrpwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: TI SOC EHRPWM based PWM controller 7 title: TI SOC EHRPWM based PWM controller
8 8
9 maintainers: 9 maintainers:
10 - Vignesh R <vigneshr@ti.com> 10 - Vignesh R <vigneshr@ti.com>
11 11
12 allOf: 12 allOf:
13 - $ref: pwm.yaml# 13 - $ref: pwm.yaml#
14 14
15 properties: 15 properties:
16 compatible: 16 compatible:
17 oneOf: 17 oneOf:
18 - const: ti,am3352-ehrpwm 18 - const: ti,am3352-ehrpwm
19 - items: 19 - items:
20 - enum: 20 - enum:
21 - ti,da850-ehrpwm 21 - ti,da850-ehrpwm
22 - ti,am4372-ehrpwm 22 - ti,am4372-ehrpwm
23 - ti,dra746-ehrpwm 23 - ti,dra746-ehrpwm
24 - ti,am654-ehrpwm 24 - ti,am654-ehrpwm
25 - ti,am64-epwm 25 - ti,am64-epwm
26 - const: ti,am3352-ehrpwm 26 - const: ti,am3352-ehrpwm
27 27
28 reg: 28 reg:
29 maxItems: 1 29 maxItems: 1
30 30
31 "#pwm-cells": 31 "#pwm-cells":
32 const: 3 32 const: 3
33 description: | 33 description: |
34 See pwm.yaml in this directory for a des 34 See pwm.yaml in this directory for a description of the cells format.
35 The only third cell flag supported by th 35 The only third cell flag supported by this binding is PWM_POLARITY_INVERTED.
36 36
37 clock-names: 37 clock-names:
38 items: 38 items:
39 - const: tbclk 39 - const: tbclk
40 - const: fck 40 - const: fck
41 41
42 clocks: 42 clocks:
43 maxItems: 2 43 maxItems: 2
44 44
45 power-domains: 45 power-domains:
46 maxItems: 1 46 maxItems: 1
47 47
48 required: 48 required:
49 - compatible 49 - compatible
50 - reg 50 - reg
>> 51 - "#pwm-cells"
51 - clocks 52 - clocks
52 - clock-names 53 - clock-names
53 54
54 additionalProperties: false 55 additionalProperties: false
55 56
56 examples: 57 examples:
57 - | 58 - |
58 ehrpwm0: pwm@48300200 { /* EHRPWM on am33x 59 ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */
59 compatible = "ti,am3352-ehrpwm"; 60 compatible = "ti,am3352-ehrpwm";
60 #pwm-cells = <3>; 61 #pwm-cells = <3>;
61 reg = <0x48300200 0x100>; 62 reg = <0x48300200 0x100>;
62 clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk 63 clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>;
63 clock-names = "tbclk", "fck"; 64 clock-names = "tbclk", "fck";
64 }; 65 };
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