The mmc subsystem supports triggering leds on card activity, document
the trigger value here. The value is a pattern in this case.
Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
To: linux-leds@xxxxxxxxxxxxxxx
---
V2: Rebase on next-20220217
---
.../devicetree/bindings/leds/common.yaml | 39 ++++++++++---------
1 file changed, 21 insertions(+), 18 deletions(-)
diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
index 328952d7acbbc..3c14a98430e19 100644
--- a/Documentation/devicetree/bindings/leds/common.yaml
+++ b/Documentation/devicetree/bindings/leds/common.yaml
@@ -79,24 +79,27 @@ properties:
the LED.
$ref: /schemas/types.yaml#/definitions/string
- enum:
- # LED will act as a back-light, controlled by the framebuffer system
- - backlight
- # LED will turn on (but for leds-gpio see "default-state" property in
- # Documentation/devicetree/bindings/leds/leds-gpio.yaml)
- - default-on
- # LED "double" flashes at a load average based rate
- - heartbeat
- # LED indicates disk activity
- - disk-activity
- # LED indicates IDE disk activity (deprecated), in new implementations
- # use "disk-activity"
- - ide-disk
- # LED flashes at a fixed, configurable rate
- - timer
- # LED alters the brightness for the specified duration with one software
- # timer (requires "led-pattern" property)
- - pattern
+ oneOf:
+ - enum:
+ # LED will act as a back-light, controlled by the framebuffer system
+ - backlight
+ # LED will turn on (but for leds-gpio see "default-state" property in
+ # Documentation/devicetree/bindings/leds/leds-gpio.yaml)
+ - default-on
+ # LED "double" flashes at a load average based rate
+ - heartbeat
+ # LED indicates disk activity
+ - disk-activity
+ # LED indicates IDE disk activity (deprecated), in new implementations
+ # use "disk-activity"
+ - ide-disk
+ # LED flashes at a fixed, configurable rate
+ - timer
+ # LED alters the brightness for the specified duration with one software
+ # timer (requires "led-pattern" property)
+ - pattern
+ # LED is triggered by SD/MMC activity
+ - pattern: "^mmc[0-9]+$"
led-pattern:
description: |
--
2.34.1
