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| author | Simon Glass <sjg@chromium.org> | 2015-06-23 15:38:45 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-07-21 17:39:24 -0600 |
| commit | 5917112c9e9f7a60062c604b3224bd5713c41f46 (patch) | |
| tree | 71c53336a056df66ac8ac1b1874f1c60f0d82a0a /drivers/led/Kconfig | |
| parent | 5725128507eca41bb110d702858ca2c8d7dc4085 (diff) | |
| download | u-boot-5917112c9e9f7a60062c604b3224bd5713c41f46.tar.gz u-boot-5917112c9e9f7a60062c604b3224bd5713c41f46.tar.bz2 u-boot-5917112c9e9f7a60062c604b3224bd5713c41f46.zip | |
dm: Add support for LEDs
Add a simple uclass for LEDs, so that these can be controlled by the device
tree and activated when needed. LEDs are referred to by their label.
This implementation requires a driver for each type of LED (e.g GPIO, I2C).
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/led/Kconfig')
| -rw-r--r-- | drivers/led/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/led/Kconfig b/drivers/led/Kconfig new file mode 100644 index 0000000000..e4d9a84b1d --- /dev/null +++ b/drivers/led/Kconfig @@ -0,0 +1,17 @@ +config LED + bool "Enable LED support" + depends on DM + help + Many boards have LEDs which can be used to signal status or alerts. + U-Boot provides a uclass API to implement this feature. LED drivers + can provide access to board-specific LEDs. Use of the device tree + for configuration is encouraged. + +config SPL_LED_SUPPORT + bool "Enable LED support in SPL" + depends on LED + help + The LED subsystem adds a small amount of overhead to the image. + If this is acceptable and you have a need to use LEDs in SPL, + enable this option. You will need to enable device tree in SPL + for this to work. |