diff options
| author | Jonathan Santos <Jonathan.Santos@analog.com> | 2025-06-11 08:49:49 -0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-06-26 19:32:53 +0100 |
| commit | 0dd88eaa71264a25f950fbf9052ed87bf716fb7c (patch) | |
| tree | 588c077cc3d1cd4eea70939def081ebd78c69f43 | |
| parent | a8daa0a8f13d8f2d96f4f06dd5ce5454afc88835 (diff) | |
dt-bindings: trigger-source: add generic GPIO trigger source
Inspired by pwm-trigger, create a new binding for using a GPIO
line as a trigger source.
Link: https://lore.kernel.org/linux-iio/20250207-dlech-mainline-spi-engine-offload-2-v8-3-e48a489be48c@baylibre.com/
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Link: https://patch.msgid.link/c4a3a7c828c711b439d1893271b8376823176ea6.1749569957.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml | 40 | ||||
| -rw-r--r-- | MAINTAINERS | 3 |
2 files changed, 42 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml b/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml new file mode 100644 index 000000000000..1331d153ee82 --- /dev/null +++ b/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/trigger-source/gpio-trigger.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic trigger source using GPIO + +description: A GPIO used as a trigger source. + +maintainers: + - Jonathan Santos <Jonathan.Santos@analog.com> + +properties: + compatible: + const: gpio-trigger + + '#trigger-source-cells': + const: 0 + + gpios: + maxItems: 1 + description: GPIO to be used as a trigger source. + +required: + - compatible + - '#trigger-source-cells' + - gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + trigger { + compatible = "gpio-trigger"; + #trigger-source-cells = <0>; + gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 1abec3f7d42b..daa83ce96249 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -25203,9 +25203,10 @@ 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 +TRIGGER SOURCE M: David Lechner <dlechner@baylibre.com> S: Maintained +F: Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml F: Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml TRUSTED SECURITY MODULE (TSM) INFRASTRUCTURE |