| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/pwm/google,cros-ec-pwm.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: PWM controlled by ChromeOS EC |
| |
| maintainers: |
| - Thierry Reding <thierry.reding@gmail.com> |
| - '"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>' |
| |
| description: | |
| Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller |
| (EC) and controlled via a host-command interface. |
| An EC PWM node should be only found as a sub-node of the EC node (see |
| Documentation/devicetree/bindings/mfd/google,cros-ec.yaml). |
| |
| allOf: |
| - $ref: pwm.yaml# |
| |
| properties: |
| compatible: |
| oneOf: |
| - description: PWM controlled using EC_PWM_TYPE_GENERIC channels. |
| items: |
| - const: google,cros-ec-pwm |
| - description: PWM controlled using CROS_EC_PWM_DT_<...> types. |
| items: |
| - const: google,cros-ec-pwm-type |
| |
| "#pwm-cells": |
| description: The cell specifies the PWM index. |
| const: 1 |
| |
| required: |
| - compatible |
| - '#pwm-cells' |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| spi { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| cros-ec@0 { |
| compatible = "google,cros-ec-spi"; |
| reg = <0>; |
| interrupts = <101 0>; |
| |
| cros_ec_pwm: pwm { |
| compatible = "google,cros-ec-pwm"; |
| #pwm-cells = <1>; |
| }; |
| }; |
| }; |
