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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pwm/pwm-tiecap.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TI SOC ECAP based APWM controller
    8 
    9 maintainers:
   10   - Vignesh R <vigneshr@ti.com>
   11 
   12 allOf:
   13   - $ref: pwm.yaml#
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - const: ti,am3352-ecap
   19       - items:
   20           - enum:
   21               - ti,da850-ecap
   22               - ti,am4372-ecap
   23               - ti,dra746-ecap
   24               - ti,k2g-ecap
   25               - ti,am654-ecap
   26               - ti,am64-ecap
   27           - const: ti,am3352-ecap
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   "#pwm-cells":
   33     const: 3
   34     description: |
   35       See pwm.yaml in this directory for a description of the cells format.
   36       The only third cell flag supported by this binding is PWM_POLARITY_INVERTED.
   37 
   38   clock-names:
   39     const: fck
   40 
   41   clocks:
   42     maxItems: 1
   43 
   44   power-domains:
   45     maxItems: 1
   46 
   47 required:
   48   - compatible
   49   - reg
   50   - clocks
   51   - clock-names
   52 
   53 additionalProperties: false
   54 
   55 examples:
   56   - |
   57     ecap0: pwm@48300100 { /* ECAP on am33xx */
   58         compatible = "ti,am3352-ecap";
   59         #pwm-cells = <3>;
   60         reg = <0x48300100 0x80>;
   61         clocks = <&l4ls_gclk>;
   62         clock-names = "fck";
   63     };
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