| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/pwm/pwm-gpio.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Generic software PWM for modulating GPIOs |
| |
| maintainers: |
| - Stefan Wahren <wahrenst@gmx.net> |
| |
| allOf: |
| - $ref: pwm.yaml# |
| |
| properties: |
| compatible: |
| const: pwm-gpio |
| |
| "#pwm-cells": |
| const: 3 |
| description: |
| See pwm.yaml in this directory for a description of the cells format. |
| The first cell which represents the PWM instance number must always |
| be zero. |
| |
| gpios: |
| description: |
| GPIO to be modulated |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - "#pwm-cells" |
| - gpios |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| |
| pwm { |
| #pwm-cells = <3>; |
| compatible = "pwm-gpio"; |
| gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; |
| }; |
