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-rw-r--r--nuttx/configs/README.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index 5dddb0c2f..860d2323a 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -530,6 +530,8 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_MMCSD_MMCSUPPORT - Enable support for MMC cards
CONFIG_MMCSD_HAVECARDDETECT - SDIO driver card detection is
100% accurate
+ CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default:
+ 4-bit transfer mode.
RiT P14201 OLED driver
CONFIG_LCD_P14201 - Enable P14201 support