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c3a2079828
The example for the CrOS EC PWM is incomplete and now generates a dtc warning: Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.example.dts:17.11-23.11: Warning (unit_address_vs_reg): /example-0/cros-ec@0: node has a unit name, but no reg or ranges property Fixing this results in more warnings as a parent spi node is needed as well. Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Benson Leung <bleung@chromium.org> Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com> Cc: Guenter Roeck <groeck@chromium.org> Cc: linux-pwm@vger.kernel.org Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Rob Herring <robh@kernel.org>
48 lines
1.1 KiB
YAML
48 lines
1.1 KiB
YAML
# 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/cros-ec.txt).
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properties:
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compatible:
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const: google,cros-ec-pwm
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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: ec-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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