From 13b695f3c41bc691028f255eae2f8e1938377565 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Mon, 22 Dec 2014 14:27:29 -0800 Subject: 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: Pavel Machek Acked-by: Sakari Ailus Acked-by: Jacek Anaszewski Acked-by: Rob Herring Signed-off-by: Bryan Wu --- Documentation/devicetree/bindings/leds/common.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'Documentation/devicetree/bindings/leds') diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index 2d88816dd550..a2c3f7abe718 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -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>; +} -- cgit v1.2.3