From: Tom Rini <trini@ti.com>
Date: Thu, 14 Mar 2013 05:32:47 +0000 (+0000)
Subject: README: Document current DFU CONFIG options
X-Git-Tag: v2013.04-rc3~13^2~9
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b3ba6e94b8298422aa98961fdd30890f3dd83cc5;p=u-boot

README: Document current DFU CONFIG options

Add documentation for the current DFU config options.  DFU is a standard
USB device class so more information is available from usb.org

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

diff --git a/README b/README
index 57010161f5..f7f41bc7ed 100644
--- a/README
+++ b/README
@@ -1344,6 +1344,19 @@ The following options need to be configured:
 			CONFIG_SH_MMCIF_CLK
 			Define the clock frequency for MMCIF
 
+- USB Device Firmware Update (DFU) class support:
+		CONFIG_DFU_FUNCTION
+		This enables the USB portion of the DFU USB class
+
+		CONFIG_CMD_DFU
+		This enables the command "dfu" which is used to have
+		U-Boot create a DFU class device via USB.  This command
+		requires that the "dfu_alt_info" environment variable be
+		set and define the alt settings to expose to the host.
+
+		CONFIG_DFU_MMC
+		This enables support for exposing (e)MMC devices via DFU.
+
 - Journaling Flash filesystem support:
 		CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
 		CONFIG_JFFS2_NAND_DEV