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authorIgor Grinberg <grinberg@compulab.co.il>2013-11-08 01:03:50 +0200
committerTom Rini <trini@ti.com>2013-11-25 10:41:52 -0500
commit1df7bbba24b5f8f97331e30066358b7ab97ff1df (patch)
tree28dc297b397a27cf3d7e8e8c88811329d5a1ce40
parent4b756b013ae0159d77d34981b57f8590f8dba2ee (diff)
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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>
-rw-r--r--README8
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diff --git a/README b/README
index c97ff0a..7b393b7 100644
--- a/README
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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