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-rw-r--r--README7
1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index 7b393b79b3..5def773ff5 100644
--- a/README
+++ b/README
@@ -1971,6 +1971,13 @@ CBFS (Coreboot Filesystem) support
status LED backend implementation. Define CONFIG_GPIO_LED
to include the gpio_led driver in the U-Boot binary.
+ CONFIG_GPIO_LED_INVERTED_TABLE
+ Some GPIO connected LEDs may have inverted polarity in which
+ case the GPIO high value corresponds to LED off state and
+ GPIO low value corresponds to LED on state.
+ In such cases CONFIG_GPIO_LED_INVERTED_TABLE may be defined
+ with a list of GPIO LEDs that have inverted polarity.
+
- CAN Support: CONFIG_CAN_DRIVER
Defining CONFIG_CAN_DRIVER enables CAN driver support
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