The TLL (Transceiver Less Link) is an separate IP block, independent of
the host controller. Basically this TLL operates like USB PHY which allows
the user to connect two USB transceiver interfaces together directly
without the use of differential transceivers in omap3 and later chips.
The TLL configuration is removed from the UHH driver and implemented as
a seperate platform driver. Now, the UHH driver configures the TLL
through API's exported by the TLL platform driver.
Signed-off-by: Keshava Munegowda <keshava_mgowda@xxxxxx>
In v4:
- rebased on top of linux kernel version 3.5.rc7
- reworked as per the comments given by Paul Walmsley <paul@xxxxxxxxx>
In v3:
- rebased on top V3 of Russ dill's patch
'ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue'
fixes an issue where the ULPI PHYs were not held in reset
while initializing the EHCI controller
http://permalink.gmane.org/gmane.linux.usb.general/65988
- rebased on top of patch
OMAP: USB : Fix the EHCI enumeration and core retention issue
http://permalink.gmane.org/gmane.linux.usb.general/66239
In V2:
- covered review comments from linux omap and usb community
- rebased on top Russ dill's patch
'ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue'
fixes an issue where the ULPI PHYs were not held in reset
while initializing the EHCI controller
Keshava Munegowda (5):
ARM: OMAP: Add the USB TLL clocks device name
ARM: OMAP: USB: HOST TLL platform driver
ARM: OMAP: USB: Invoke the TLL driver from USB HS core driver
ARM: OMAP: USB: Remove TLL specific code from USB HS core driver
ARM: OMAP: Remove older device name of the USB TLL clocks
arch/arm/mach-omap2/clock3xxx_data.c | 8 +-
arch/arm/mach-omap2/clock44xx_data.c | 4 +-
arch/arm/mach-omap2/usb-host.c | 31 ++-
arch/arm/plat-omap/include/plat/usb.h | 7 +
drivers/mfd/Kconfig | 2 +-
drivers/mfd/Makefile | 2 +-
drivers/mfd/omap-usb-host.c | 238 ++---------------
drivers/mfd/omap-usb-tll.c | 471 +++++++++++++++++++++++++++++++++
8 files changed, 523 insertions(+), 240 deletions(-)
create mode 100644 drivers/mfd/omap-usb-tll.c
--
1.7.9.5
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