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