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| author |   David Lechner <dlechner@baylibre.com> | 2025-02-07 14:09:00 -0600 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2025-02-07 20:17:09 +0000 |
| commit | 83f37ba7b76ab17e029ab4127ec64ccccce64c00 (patch) | |
| tree | cd030a156ad1680633044eab72663f9ab5fbb2a0 | |
| parent | spi: offload: add support for hardware triggers (diff) | |
| download | wireguard-linux-83f37ba7b76ab17e029ab4127ec64ccccce64c00.tar.xz wireguard-linux-83f37ba7b76ab17e029ab4127ec64ccccce64c00.zip | |
dt-bindings: trigger-source: add generic PWM trigger source
Add a new binding for using a PWM signal as a trigger source.
The idea here is similar to e.g. "pwm-clock" to allow a trigger source
consumer to use a PWM provider as a trigger source.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250207-dlech-mainline-spi-engine-offload-2-v8-3-e48a489be48c@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml | 37 | ||||
| -rw-r--r-- | MAINTAINERS | 5 |
2 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml b/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml new file mode 100644 index 000000000000..1eac20031dc3 --- /dev/null +++ b/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/trigger-source/pwm-trigger.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic trigger source using PWM + +description: Remaps a PWM channel as a trigger source. + +maintainers: + - David Lechner <dlechner@baylibre.com> + +properties: + compatible: + const: pwm-trigger + + '#trigger-source-cells': + const: 0 + + pwms: + maxItems: 1 + +required: + - compatible + - '#trigger-source-cells' + - pwms + +additionalProperties: false + +examples: + - | + trigger { + compatible = "pwm-trigger"; + #trigger-source-cells = <0>; + pwms = <&pwm 0 1000000 0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 0f230ff5be25..b5cc91d10bc0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24056,6 +24056,11 @@ W: https://github.com/srcres258/linux-doc T: git git://github.com/srcres258/linux-doc.git doc-zh-tw F: Documentation/translations/zh_TW/ +TRIGGER SOURCE - PWM +M: David Lechner <dlechner@baylibre.com> +S: Maintained +F: Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml + TRUSTED SECURITY MODULE (TSM) ATTESTATION REPORTS M: Dan Williams <dan.j.williams@intel.com> L: linux-coco@lists.linux.dev |