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devicetree: leds: Introduce "panic-indicator" optional property

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It's desirable to specify which LEDs are to be blinked on a kernel
panic. Therefore, introduce a devicetree boolean property to mark
which LEDs should be treated this way, if possible.

Signed-off-by: Ezequiel Garcia <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>
Acked-by: Rob Herring <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
This commit is contained in:
Ezequiel Garcia 2016-04-28 19:03:39 -03:00 • committed by Jacek Anaszewski
commit e4f4f7091e
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/leds/common.txt
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@ -37,6 +37,9 @@ Optional properties for child nodes:
property is mandatory for the LEDs in the non-flash modes
(e.g. torch or indicator).
- panic-indicator : This property specifies that the LED should be used,
if at all possible, as a panic indicator.
Required properties for flash LED child nodes:
- flash-max-microamp : Maximum flash LED supply current in microamperes.
- flash-max-timeout-us : Maximum timeout in microseconds after which the flash