1 files changed, 4 insertions, 0 deletions
diff --git a/README b/README
index 31e08fc748..0d295a718e 100644
--- a/README
+++ b/README
@@ -2597,6 +2597,10 @@ CBFS (Coreboot Filesystem) support
 		Enables the driver for the SPI controllers on i.MX and MXC
 		SoCs. Currently i.MX31/35/51 are supported.
 
+		CONFIG_SYS_SPI_MXC_WAIT
+		Timeout for waiting until spi transfer completed.
+		default: (CONFIG_SYS_HZ/100)     /* 10 ms */
+
 - FPGA Support: CONFIG_FPGA
 
 		Enables FPGA subsystem.