0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/pwm/pwm-tiehrpwm.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: TI SOC EHRPWM based PWM controller
0008
0009 maintainers:
0010 - Vignesh R <vigneshr@ti.com>
0011
0012 allOf:
0013 - $ref: pwm.yaml#
0014
0015 properties:
0016 compatible:
0017 oneOf:
0018 - const: ti,am3352-ehrpwm
0019 - items:
0020 - enum:
0021 - ti,da850-ehrpwm
0022 - ti,am4372-ehrpwm
0023 - ti,dra746-ehrpwm
0024 - ti,am654-ehrpwm
0025 - ti,am64-epwm
0026 - const: ti,am3352-ehrpwm
0027
0028 reg:
0029 maxItems: 1
0030
0031 "#pwm-cells":
0032 const: 3
0033 description: |
0034 See pwm.yaml in this directory for a description of the cells format.
0035 The only third cell flag supported by this binding is PWM_POLARITY_INVERTED.
0036
0037 clock-names:
0038 items:
0039 - const: tbclk
0040 - const: fck
0041
0042 clocks:
0043 maxItems: 2
0044
0045 power-domains:
0046 maxItems: 1
0047
0048 required:
0049 - compatible
0050 - reg
0051 - clocks
0052 - clock-names
0053
0054 additionalProperties: false
0055
0056 examples:
0057 - |
0058 ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */
0059 compatible = "ti,am3352-ehrpwm";
0060 #pwm-cells = <3>;
0061 reg = <0x48300200 0x100>;
0062 clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>;
0063 clock-names = "tbclk", "fck";
0064 };
