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| author |   Pavel Machek <pavel@ucw.cz> | 2014-12-22 14:27:29 -0800 |
|---|---|---|
| committer |   Bryan Wu <cooloney@gmail.com> | 2015-01-14 10:40:19 -0800 |
| commit | 13b695f3c41bc691028f255eae2f8e1938377565 (patch) | |
| tree | 2fac70bb3ce59e19479d51aa97a41ab3f58443d1 /Documentation/devicetree/bindings/leds | |
| parent | Merge branch 'leds-fixes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds (diff) | |
| download | linux-dev-13b695f3c41bc691028f255eae2f8e1938377565.tar.xz linux-dev-13b695f3c41bc691028f255eae2f8e1938377565.zip | |
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 <pavel@ucw.cz>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/common.txt | 16 |
1 files changed, 16 insertions, 0 deletions
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>; +} |