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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 096a6a54b..2dba9d0f5 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -286,6 +286,8 @@ defconfig -- This is a configuration file similar to the Linux
driver. Default is one.
CONFIG_MMCSD_READONLY - Provide read-only access. Default is
Read/Write
+ CONFIG_MMCSD_SPICLOCK - Maximum SPI clock to drive MMC/SD card.
+ Default is 20MHz.
TCP/IP and UDP support via uIP
CONFIG_NET - Enable or disable all network features