USB: MXC: Add i.MX21 specific USB host controller driver.

This driver is a Full / Low speed only USB host for the i.MX21.

Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/include/mach/mx21-usbhost.h b/arch/arm/plat-mxc/include/mach/mx21-usbhost.h
new file mode 100644
index 00000000000..22d0b596262
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mx21-usbhost.h
@@ -0,0 +1,38 @@
+/*
+ *      Copyright (C) 2009 Martin Fuzzey <mfuzzey@gmail.com>
+ *
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
+ *
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ */
+
+#ifndef __ASM_ARCH_MX21_USBH
+#define __ASM_ARCH_MX21_USBH
+
+enum mx21_usbh_xcvr {
+        /* Values below as used by hardware (HWMODE register) */
+        MX21_USBXCVR_TXDIF_RXDIF = 0,
+        MX21_USBXCVR_TXDIF_RXSE = 1,
+        MX21_USBXCVR_TXSE_RXDIF = 2,
+        MX21_USBXCVR_TXSE_RXSE = 3,
+};
+
+struct mx21_usbh_platform_data {
+        enum mx21_usbh_xcvr host_xcvr; /* tranceiver mode host 1,2 ports */
+        enum mx21_usbh_xcvr otg_xcvr; /* tranceiver mode otg (as host) port */
+        u16     enable_host1:1,
+                enable_host2:1,
+                enable_otg_host:1, /* enable "OTG" port (as host) */
+                host1_xcverless:1, /* traceiverless host1 port */
+                host1_txenoe:1, /* output enable host1 transmit enable */
+                otg_ext_xcvr:1, /* external tranceiver for OTG port */
+                unused:10;
+};
+
+#endif /* __ASM_ARCH_MX21_USBH */