| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |