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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2012-05-11 18:25:54 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-12 03:56:15 +0400 |
| commit | eb70e5ab8f95a81283623c03d2c99dfc59fcb319 (patch) | |
| tree | fc20c9d10484171490cf6b69f7f5b6f934803366 /drivers/usb/chipidea/bits.h | |
| parent | 758fc9860c19eceb56e5886a5225db623c521971 (diff) | |
| download | linux-eb70e5ab8f95a81283623c03d2c99dfc59fcb319.tar.xz | |
usb: chipidea: add host role
This adds EHCI host support to the chipidea driver. We want it to be
part of the hdrc driver and not a standalone (sub-)driver module, as
the structure of ehci-hcd.c suggests, so for chipidea controller we
hack it to not provide platform-related code, but only the ehci hcd.
The ehci-platform driver won't work for us here too, because the
controller uses the same registers for both device and host mode and
also otg-related bits, so it's not really possible to put ehci registers
into a separate resource.
This is not a pretty solution, but the alternative is exporting symbols
from the chipidea driver to a ehci-chipidea driver and doing all the
module refcounting.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/bits.h')
| -rw-r--r-- | drivers/usb/chipidea/bits.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h index 44b3e254b6a5..050de8562a04 100644 --- a/drivers/usb/chipidea/bits.h +++ b/drivers/usb/chipidea/bits.h @@ -21,6 +21,7 @@ /* DCCPARAMS */ #define DCCPARAMS_DEN (0x1F << 0) #define DCCPARAMS_DC BIT(7) +#define DCCPARAMS_HC BIT(8) /* TESTMODE */ #define TESTMODE_FORCE BIT(0) |