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. Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx> --- v6 changes: * Moved file from bindings/spi/ to bindings/trigger-source/ * Updated description to not mention SPI * Dropped $ref: /schemas/spi/trigger-source.yaml# * Swapped order in name to be consistent with "pwm-clock" v5 changes: * Add MAINTAINERS entry v4 changes: new patch in v4 --- .../bindings/trigger-source/pwm-trigger.yaml | 37 ++++++++++++++++++++++ MAINTAINERS | 5 +++ 2 files changed, 42 insertions(+) diff --git a/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml b/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml new file mode 100644 index 0000000000000000000000000000000000000000..1eac20031dc3cf921aafb8aa37f4e4eca1075835 --- /dev/null +++ b/Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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@xxxxxxxxxxxx> + +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 9284a257607a740ab7f6fd960c2bcdc34ead7586..b2aa6f37743e48353c60e5973ea8126590c7f6d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -23879,6 +23879,11 @@ 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@xxxxxxxxxxxx> +S: Maintained +F: Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml + TRUSTED SECURITY MODULE (TSM) ATTESTATION REPORTS M: Dan Williams <dan.j.williams@xxxxxxxxx> L: linux-coco@xxxxxxxxxxxxxxx -- 2.43.0
