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README: document the CONFIG_GPIO_LED symbol 

The CONFIG_GPIO_LED symbol does not have any documentation in the README
file. Document the CONFIG_GPIO_LED symbol.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
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Igor Grinberg 2013-11-08 01:03:50 +02:00 committed by Tom Rini
parent 4b756b013a
commit 1df7bbba24
1 changed files with 8 additions and 0 deletions
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@ -1963,6 +1963,14 @@ CBFS (Coreboot Filesystem) support
kernel). Defining CONFIG_STATUS_LED enables this
feature in U-Boot.
Additional options:
CONFIG_GPIO_LED
The status LED can be connected to a GPIO pin.
In such cases, the gpio_led driver can be used as a
status LED backend implementation. Define CONFIG_GPIO_LED
to include the gpio_led driver in the U-Boot binary.
- CAN Support: CONFIG_CAN_DRIVER
Defining CONFIG_CAN_DRIVER enables CAN driver support