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The origianl understanding of clock is wrong. The UDC controller
only have one clock input.
Passing clock name by pdata is wrong. The clock is defined by device
iteself.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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usb_ep
Remove redundant pointer to struct usb_endpoint_descriptor.
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This is the first step in separating USB transceivers from
USB OTG utilities.
Includes fixes to IMX code from Sascha Hauer.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch do the following things:
1. Change the Kconfig information.
2. Rename the driver name.
3. Don't do any type cast to io memory.
4. Add dummy stub for clk framework.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When device is stopped, there is no need to handle ISR.
Especially when otg switch to HOST mode.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add otg relative code, make it possible to switch between host and
device.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch is going to support clock gating when vbus detection is
posible. Clock and phy will be on only when usb gadget is used(vbus valid).
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add test mode support for marvell udc driver.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch do the following things:
1. Add header and Copyright for marvell usb driver.
2. Add mv_usb.h in include/linux/platform_data, make the driver
fits all the marvell platform using the same ChipIdea usb ip.
3. Some SOC may has mutiple clock sources, so let me define it
in mv_usb_platform_data and give two helper functions named
udc_clock_enable/udc_clock_disable to deal with the clocks.
4. Different SOCs will have some difference in PHY initialization,
so we will remove file mv_udc_phy.c and add two funtions in
mv_usb_platform_data, let the platform relative driver to realize it.
5. Rewrite probe function according to the modification list above. Find
it will kernel panic when probe failed. The root cause is as follows:
When probe failed, the error handle may call device_unregister()
which in return will call gadget_release.In current code,
gadget_release have two issues:
1: the_controller is a NULL pointer.
2: if we free udc here, then the following code in probe
will access NULL pointer.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch add USB client support Marvell PXA9xx/PXA168 chips. The USB
controller in PXA9xx/PXA168 is a High-Speed OTG controller. The available
endpoints is different between PXA9xx and PXA168.
NOTE:
It is the first version of Marvell PXA9xx/PXA168 USB controller driver.
The support for OTG mode will be added in later patch.
PXA9xx and PXA168 has integrated UTMI PHY in the chips. The initialization
for the PHY is a little different between PXA9xx and PXA168.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Chao Xie
Ido Shayevitz
Heikki Krogerus
Neil Zhang
cxie4