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dt-bindings: leds: Document "gpio" trigger

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The "gpio" trigger is used to control LEDs by the level of a GPIO input
referenced by the trigger-sources property. This is already documented
in the trigger-sources property description and is used in at least one
devicetree (am335x-regor.dtsi). Document it so validation of those and
future DTs will pass.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260711192842.845048-2-samuel@sholland.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Samuel Holland 2026-07-11 14:28:25 -05:00 committed by Lee Jones
parent 96fa4d6995
commit 4d8da7e3dc
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/leds/common.yaml
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@ -106,6 +106,8 @@ properties:
- bluetooth-power
# LED indicates camera flash state
- flash
# LED indicates level of GPIO input referenced by trigger-sources
- gpio
# LED indicated keyboard capslock
- kbd-capslock
# LED indicates MTD memory activity