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dm: Add support for LEDs

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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>
This commit is contained in:
Simon Glass
2015-06-23 15:38:45 -06:00
parent 5725128507
commit 5917112c9e
9 changed files with 152 additions and 0 deletions
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scripts/Makefile.spl
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@@ -64,6 +64,7 @@ libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
libs-y += fs/
libs-$(CONFIG_SPL_LED_SUPPORT) += drivers/led/
libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/