omap5_uevm: Better comment why we have TCA642X and the reset time

Signed-off-by: Tom Rini <trini@ti.com>

diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h
index d10c2b56f9498ddea6708ff6b63c497364ec9a4b..39487097981b81c904f02edcc09262e4af18596c 100644 (file)
--- a/include/configs/omap5_uevm.h
+++ b/include/configs/omap5_uevm.h
@@ -35,12 +35,15 @@
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_CMD_PART
 
+/* Required support for the TCA642X GPIO we have on the uEVM */
 #define CONFIG_TCA642X
 #define CONFIG_CMD_TCA642X
 #define CONFIG_SYS_I2C_TCA642X_BUS_NUM 4
 #define CONFIG_SYS_I2C_TCA642X_ADDR 0x22
 
 #define CONSOLEDEV             "ttyO2"
+
+/* Max time to hold reset on this board, see doc/README.omap-reset-time */
 #define CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC       16296
 
 #include <configs/omap5_common.h>