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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-tiehrpwm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TI SOC EHRPWM based PWM 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-ehrpwm
   19       - items:
   20           - enum:
   21               - ti,da850-ehrpwm
   22               - ti,am4372-ehrpwm
   23               - ti,dra746-ehrpwm
   24               - ti,am654-ehrpwm
   25               - ti,am64-epwm
   26           - const: ti,am3352-ehrpwm
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   "#pwm-cells":
   32     const: 3
   33     description: |
   34       See pwm.yaml in this directory for a description of the cells format.
   35       The only third cell flag supported by this binding is PWM_POLARITY_INVERTED.
   36 
   37   clock-names:
   38     items:
   39       - const: tbclk
   40       - const: fck
   41 
   42   clocks:
   43     maxItems: 2
   44 
   45   power-domains:
   46     maxItems: 1
   47 
   48 required:
   49   - compatible
   50   - reg
   51   - clocks
   52   - clock-names
   53 
   54 additionalProperties: false
   55 
   56 examples:
   57   - |
   58     ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */
   59         compatible = "ti,am3352-ehrpwm";
   60         #pwm-cells = <3>;
   61         reg = <0x48300200 0x100>;
   62         clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>;
   63         clock-names = "tbclk", "fck";
   64     };
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