This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: NLuis de Bethencourt <luis@debethencourt.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch fixes the following build warnings:

drivers/usb/musb/ux500.c:346:12: warning: ‘ux500_suspend’ defined but
not used [-Wunused-function]
drivers/usb/musb/ux500.c:357:12: warning: ‘ux500_resume’ defined but not
used [-Wunused-function]
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Set up function pointers for DMA so get closer to
being able to build in all the DMA engines.
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Pass struct musb to tusb_dma_omap() and is_cppi_enabled(),
and add macros for the other DMA controllers. Populate the
platform specific quirks with the DMA type and use it during
runtime.

Note that platform glue layers with no custom DMA code are
tagged with MUSB_DMA_INVENTRA which may have a chance of
working. Looks like the defconfigs for these use PIO_ONLY,
so this should not break existing configs.
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This allows setting the correct fifo_mode when multiple
MUSB glue layers are built-in.

Cc: Fabio Baltieri <fabio.baltieri@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: NApelete Seketeli <apelete@seketeli.net>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This allows the endpoints to work when multiple MUSB glue
layers are built in.

Cc: Fabio Baltieri <fabio.baltieri@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NApelete Seketeli <apelete@seketeli.net>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Before using the PHY framework instead of the USB PHY one, we need to
move the OTG state into another place, since it won't be available when
USB PHY isn't used. This patch moves the OTG state into the OTG
structure, and makes all the needed modifications in the drivers
using the OTG state.

[ balbi@ti.com : fix build regressions with phy-tahvo.c, musb_dsps.c,
		phy-isp1301-omap, and chipidea's debug.c ]
Acked-by: NKishon Vijay Abraham I <kishon@ti.com>
Acked-by: NPeter Chen <peter.chen@freescale.com>
Signed-off-by: NAntoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

The memory subsystem has already had similar message for it.
Signed-off-by: NPeter Chen <peter.chen@freescale.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch introduces the use of managed interfaces for clk_get and
kzalloc and removes the corresponding free function calls in the probe
and remove functions.
Signed-off-by: NHimangi Saraogi <himangi774@gmail.com>
Acked-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

There is a regression in the upcoming v3.16-rc1, that is caused
by a problem that has been around for a while but now finally
hangs the system. The bootcrawl looks like this:

pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already
requested by a03e0000.usb_per5; cannot claim for musb-hdrc.0.auto
pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.0.auto) status -22
pinctrl-nomadik soc:pinctrl: could not request pin 256
(GPIO256_AF28) from group usb_a_1  on device pinctrl-nomadik
musb-hdrc musb-hdrc.0.auto: Error applying setting, reverse
things back
HS USB OTG: no transceiver configured
musb-hdrc musb-hdrc.0.auto: musb_init_controller failed
with status -517
platform musb-hdrc.0.auto: Driver musb-hdrc requests
probe deferral
(...)

The ux500 MUSB driver propagates the OF node to the dynamically
created musb-hdrc device, which is incorrect as it makes the OF
core believe there are two devices spun from the very same
DT node, which confuses other parts of the device core, notably
the pin control subsystem, which will try to apply all the pin
control settings also to the HDRC device as it gets
instantiated. (The OMAP2430 for example, does not set the
of_node member.)

Cc: <stable@vger.kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This removes the DEV_PM_OPS macro and brings this file in line with the
other musb platform drivers.
Signed-off-by: NDaniel Mack <zonque@gmail.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

If we supply a con_id then the clock framework will search for that name
in MUSB's Device Tree node for the 'clock-names' property. If it's absent
the clock request will fail. However, if we don't supply the con_id then
clk_get() will call into clk_sys() which will use the device name to
search for the appropriate clock, which is much more natural than forcing
'usb'.
Acked-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch will allow ux500-musb to be probed and configured solely from
configuration found in Device Tree.

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: linux-usb@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Acked-by: NFelipe Balbi <balbi@ti.com>
Acked-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

The dma_mask will always be the same as the coherent_dma_mask, so let's
cut down on the platform_data burden and set it as such in the driver.
This also saves us from supporting it separately when we come to enable
this driver for Device Tree.

Cc: linux-usb@vger.kernel.org
Acked-by: NFelipe Balbi <balbi@ti.com>
Acked-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

The MUSB HDRC configuration never changes between each of the ux500
supported platforms, so there's little point passing it though platform
data. If we set it in the driver instead, we can make good use of it
when booting with either ATAGs or Device Tree.

Cc: linux-usb@vger.kernel.org
Acked-by: NFelipe Balbi <balbi@ti.com>
Acked-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

We can't simply pass the resource pointer from our
device down to our children, otherwise module
reinsertion will not work as the resource will
continue to be marked as busy.

Fix it by building a proper struct resource for
our child musb device.
Tested-by: NDmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Fix last ab->phy.notifier call to use vbus_draw as notifier argument, as
that's used in ab8500_charger to control charging current.

Also drop a related TODO comment, and the additional
ux500_musb_set_vbus(musb, 0), as with this patch it was causing an
erratic behaviour of gadget ep0 state machine.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Update irq handling code to notify all possible link status changes of
AB8500 and AB8505 to the ux500-musb glue driver.  The additional event
codes will be used for pm-runtime implementation, and are defined in a
separate ux500-specific header.

This also modify the irq registration code to use devm_* helpers and
drop all non necessary fail path code.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Add transceiver notifier event handling to the ux500 driver to set vbus
on specific transceiver events.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>

[ balbi@ti.com: fix build error due to missing
	otg_state_string() ]
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Add ux500_musb_set_vbus() implementation for ux500.

This is based on the version originally developed inside ST-Ericsson.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>

[ balbi@ti.com: fix a build error due to
	missing otg_state_string() ]
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch let glue driver return -EPROBE_DEFER if the transceiver
is not readly, so we can support defer probe on musb to fix the
below error on 3.7-rc5 if transceiver drivers are built as module:

[   19.052490] unable to find transceiver of type USB2 PHY
[   19.072052] HS USB OTG: no transceiver configured
[   19.076995] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -19
[   19.089355] musb-hdrc: probe of musb-hdrc.0.auto rejects match -19
[   19.096771] driver: 'musb-omap2430': driver_bound: bound to device 'musb-omap2430'
[   19.105194] bus: 'platform': really_probe: bound device musb-omap2430 to driver musb-omap2430
[   19.174407] bus: 'platform': add driver twl4030_usb
[   19.179656] bus: 'platform': driver_probe_device: matched device twl4030_usb with driver twl4030_usb
[   19.202270] bus: 'platform': really_probe: probing driver twl4030_usb with device twl4030_usb
[   19.214172] twl4030_usb twl4030_usb: HW_CONDITIONS 0xc0/192; link 3
[   19.239624] musb-omap2430 musb-omap2430: musb core is not yet ready
[   19.246765] twl4030_usb twl4030_usb: Initialized TWL4030 USB module
[   19.254516] driver: 'twl4030_usb': driver_bound: bound to device 'twl4030_usb'
[   19.263580] bus: 'platform': really_probe: bound device twl4030_usb to driver twl4030_usb

Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: <stable@vger.kernel.org> v3.8
Signed-off-by: NMing Lei <ming.lei@canonical.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch converts the module to use clk_prepare_enable and
clk_disable_unprepare variants as required by common clock framework.

Without this the system crash during probe function.

Cc: <stable@vger.kernel.org> # v3.7 v3.8
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Olav Kongas <ok@artecdesign.ee>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: NPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch is based on the discussion of a previous patch to fix an issue
where the omap2430 musb driver is not working for N9/N950.

Moving all the interrupt handling to the devices. Avoids inclusion of generic
interrupt and breakage due to sometimes misleading CONFIG options. This makes
sure usb always works if on of the subdrivers is chosen. Tested on Nokia N9/N950.

Partially clean up CONFIG_SOC_OMAP3430 which is not necessary in the cases
where I removed it. Also helps with the removal work of those options that
Tony Lindgren predicted would happen at some point.
Signed-off-by: NPhilippe De Swert <philippe.deswert@jollamobile.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This replaced the handcrafted id handling by the PLATFORM_DEVID_AUTO
value which should do the same thing.

This patch probably also fixes ux500 because I did not find the "musbid"
variable to remove. And we close a tiny-unlikely race window becuase the
old code gave the id back before device was destroyed in the remove
case.

[ balbi@ti.com : fixed up two failed hunks when applying patch ]

Cc: B, Ravi <ravibabu@ti.com>
Cc: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Cc: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Cc: Bob Liu <lliubbo@gmail.com>
Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

commit 65b3d52d
(usb: musb: add musb_ida for multi instance support)
used musbid in ux500_remove() but nerver declared it.

I found this in x86_64 platform, but not sure whether
this is a error on the correct ARCH.

$ make drivers/usb/musb/ux500.o
make[1]: Nothing to be done for `all'.
make[1]: Nothing to be done for `relocs'.
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CC      drivers/usb/musb/ux500.o
drivers/usb/musb/ux500.c: In function 'ux500_probe':
drivers/usb/musb/ux500.c:78:2: error: 'musbid' undeclared (first use in this function)
drivers/usb/musb/ux500.c:78:2: note: each undeclared identifier is reported only once for each function it appears in
make[1]: *** [drivers/usb/musb/ux500.o] Error 1
make: *** [drivers/usb/musb/ux500.o] Error 2
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.

Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases.  All other usage is a bug.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

This patch removes some code duplication by using
module_platform_driver.
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Added musb_ida in musb_core.c to manage the multi core ids.
Signed-off-by: NRavi Babu <ravibabu@ti.com>
Signed-off-by: NAjay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: NSanthapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Add a linked list for keeping multiple PHY instances with different
types so that we can have separate USB2 and USB3 PHYs on one single
board. _get_phy_ has been changed so that the controller gets
the transceiver by type. _remove_phy_ has been added to let the phy
be removed from the phy list.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

_transceiver() in otg.c is replaced with _phy. usb_set_transceiver is
replaced with usb_add_phy to make it similar to other usb standard
function names like usb_add_hcd.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Use the new usb_phy_* functions with transceiver
operations instead of the old otg functions.

Includes fixes from Sascha Hauer.
Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NPavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: NLi Yang <leoli@freescale.com>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Reviewed-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

There's really no point in doing all that
initcall trickery when we can safely let
udev handle module probing for us.

Remove all of that trickery, by moving everybody
to module_init() and making proper use of
platform_device_register() rather than
platform_device_probe().
Tested-by: NRajashekhara, Sudhakar <sudhakar.raj@ti.com>
Tested-by: NTasslehoff Kjappfot <tasskjapp@gmail.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

musb code checks dma mask before calling dma hooks.
Signed-off-by: NMian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

Initial support for u8500 and u5500 platform.
Signed-off-by: NMian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: NLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>