Merge branch '2020-05-25-misc-fixes'

[oweals/u-boot.git] / doc / README.fec_mxc

diff --git a/doc/README.fec_mxc b/doc/README.fec_mxc
index 30e05da57455ba606e03a1b05fb36c7b151b08e0..9ca6ac2fb59d13253af6fdd742e3b36a508d0a39 100644 (file)
--- a/doc/README.fec_mxc
+++ b/doc/README.fec_mxc
@@ -1,4 +1,4 @@
-U-boot config options used in fec_mxc.c
+U-Boot config options used in fec_mxc.c
 
 CONFIG_FEC_MXC
        Selects fec_mxc.c to be compiled into u-boot. Can read out the
@@ -27,6 +27,11 @@ CONFIG_FEC_MXC_PHYADDR
        Optional, selects the exact phy address that should be connected
        and function fecmxc_initialize will try to initialize it.
 
+CONFIG_FEC_FIXED_SPEED
+       Optional, selects a fixed speed on the MAC interface without asking some
+       phy. This is usefull if there is a direct MAC <-> MAC connection, for
+       example if the CPU is connected directly via the RGMII interface to a
+       ethernet-switch.
 
 Reading the ethaddr from the SoC eFuses:
 if CONFIG_FEC_MXC is defined and the U-Boot environment does not contain the