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Commit 13b695f3 authored by Pavel Machek's avatar Pavel Machek Committed by Bryan Wu
Browse files

DT: leds: Add flash LED devices related properties 



Addition of a LED Flash class extension entails the need for flash LED
specific device tree properties. The properties being added are:
max-microamp, flash-max-microamp, flash-timeout-microsec.

(cooloney@gmail.com: remove white spaces)

Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarBryan Wu <cooloney@gmail.com>
parent 188c9019

Documentation/devicetree/bindings/leds/common.txt

+16 −0
Original line number Diff line number Diff line
@@ -14,6 +14,15 @@ Optional properties for child nodes: 
     "ide-disk" - LED indicates disk activity

     "timer" - LED flashes at a fixed, configurable rate



- max-microamp : maximum intensity in microamperes of the LED

		 (torch LED for flash devices)

- flash-max-microamp : maximum intensity in microamperes of the

                       flash LED; it is mandatory if the LED should

		       support the flash mode

- flash-timeout-us : timeout in microseconds after which the flash

                     LED is turned off





Examples:



system-status {
@@ -21,3 +30,10 @@ system-status { 
	linux,default-trigger = "heartbeat";

	...

};



camera-flash {

	label = "Flash";

	max-microamp = <50000>;

	flash-max-microamp = <320000>;

	flash-timeout-us = <500000>;

}