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-rw-r--r--nuttx/configs/vsn/README.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/nuttx/configs/vsn/README.txt b/nuttx/configs/vsn/README.txt
index 5ade94d18..acdc9f236 100644
--- a/nuttx/configs/vsn/README.txt
+++ b/nuttx/configs/vsn/README.txt
@@ -399,6 +399,8 @@ VSN-specific Configuration Options
CONFIG_SDIO_PRI - Select SDIO interrupt prority. Default: 128
CONFIG_SDIO_DMAPRIO - Select SDIO DMA interrupt priority.
Default: Medium
+ CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default:
+ 4-bit transfer mode.
Configurations
^^^^^^^^^^^^^^