Commit Graph

73 Commits

Author SHA1 Message Date
Baolin Wang
20839dbb7d usb: phy: Remove unused config
Since the old common Samsung USB PHY code has been removed by commit ea2fdf8423
("usb: phy: samsung: remove old common USB PHY code"), thus remove the unused
config.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-04-11 10:58:22 +03:00
Nicolae Rosia
1ad528db1a usb: twl6030-usb: make driver DT only
All users are DT-only and it makes no sense to keep
unused code

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-18 13:54:44 +02:00
Felipe Balbi
5a8d651a2b usb: gadget: move gadget API functions to udc-core
instead of defining all functions as static inlines,
let's move them to udc-core and export them with
EXPORT_SYMBOL_GPL, that way we can make sure that
only GPL drivers will use them.

As a side effect, it'll be nicer to add tracepoints
to the gadget API.

While at that, also fix Kconfig dependencies to
avoid randconfig build failures.

Acked-By: Sebastian Reichel <sre@kernel.org>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-06-21 10:38:34 +03:00
Bin Liu
59f042f644 usb: phy: phy-am335x: bypass first VBUS sensing for host-only mode
To prevent VBUS contention, the am335x MUSB phy senses VBUS first before
transitioning to host mode. However, for host-only mode, VBUS could be
directly tied to 5V power rail which could prevent MUSB transitions to
host mode.

This change receives dr_mode of the controller then bypass the first
VBUS sensing for host-only mode, so that MUSB can work in host mode
event if VBUS is tied to 5V.

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-12-16 10:07:25 -06:00
Geert Uytterhoeven
375da6271b usb: phy: Remove unused Renesas R-Car (Gen1) USB PHY driver
As of commit 3d7608e4c1 ("ARM: shmobile: bockw: remove legacy
board file and config"), the Renesas R-Car (Gen1) USB PHY driver is no
longer used.
In theory it could still be used on R-Car Gen1 SoCs, but that would
require adding DT support to the driver. Instead, a new driver using the
generic PHY framework should be written, as was done for R-Car Gen2.

Remove the driver for good.

Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-12-15 09:12:41 -06:00
Peter Chen
c4f161308a usb: kconfig: fix warning of select USB_OTG
When choose randconfig for kernel build, it reports below warning:
"warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG
which has unmet direct dependencies (USB_SUPPORT && USB && PM)"

In fact, USB_OTG is visible symbol and depends on PM, so the driver
needs to depend on it to reduce dependency problem.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-11-19 16:31:42 -08:00
Randy Dunlap
88ccdbd5fc usb: phy: fix phy-qcom-8x16-usb build
Fix build errors that happen when USB_QCOM_8X16_PHY=y and EXTCON=m:

drivers/built-in.o: In function `phy_8x16_init':
phy-qcom-8x16-usb.c:(.text+0x86ef4): undefined reference to `extcon_get_cable_state'
drivers/built-in.o: In function `phy_8x16_probe':
phy-qcom-8x16-usb.c:(.text+0x870bf): undefined reference to `extcon_get_edev_by_phandle'
phy-qcom-8x16-usb.c:(.text+0x87133): undefined reference to `extcon_register_interest'
phy-qcom-8x16-usb.c:(.text+0x87151): undefined reference to `extcon_unregister_interest'
drivers/built-in.o: In function `phy_8x16_remove':
phy-qcom-8x16-usb.c:(.text+0x872ec): undefined reference to `extcon_unregister_interest'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-09-14 10:14:49 -05:00
Ivan T. Ivanov
351169933e usb: phy: qcom: New APQ8016/MSM8916 USB transceiver driver
Driver handles PHY initialization, clock management, power
management and workarounds required after resetting the hardware.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-07-29 09:59:19 -05:00
Geert Uytterhoeven
db978e2847 usb: phy: Allow compile test of GPIO consumers if !GPIOLIB
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.

Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-07 13:37:36 -05:00
Geert Uytterhoeven
b189a21172 usb: phy: Remove the phy-rcar-gen2-usb driver
The phy-rcar-gen2-usb driver, which supports legacy platform data only,
is no longer used since commit a483dcbfa2 ("ARM: shmobile: lager:
Remove legacy board support").

This driver was superseded by the DT-only phy-rcar-gen2 driver, which
was introduced in commit 1233f59f74 ("phy: Renesas R-Car Gen2 PHY
driver").

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-04-28 11:49:19 -05:00
Ivan T. Ivanov
591fc116f3 usb: phy: msm: Use extcon framework for VBUS and ID detection
On recent Qualcomm platforms VBUS and ID lines are not routed to
USB PHY LINK controller. Use extcon framework to receive connect
and disconnect ID and VBUS notification.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-04-28 11:46:50 -05:00
Ivan T. Ivanov
1ea276cbfc usb: phy: Fix USB_ULPI_VIEWPORT Kconfig dependency
USB_ULPI_VIEWPORT didn't depend on USB_ULPI, while USB_ULPI
is using non user selectable USB_ULPI_VIEWPORT. Fix this.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-03-24 11:35:30 -05:00
Stephen Boyd
46f5cace1c usb: phy: msm: Remove dead code
This code is no longer used now that mach-msm has been removed.
Delete it.

Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-03-13 13:56:48 -05:00
Christoph Jaeger
6341e62b21 kconfig: use bool instead of boolean for type definition attributes
Support for keyword 'boolean' will be dropped later on.

No functional change.

Reference: http://lkml.kernel.org/r/cover.1418003065.git.cj@linux.com
Signed-off-by: Christoph Jaeger <cj@linux.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-01-07 13:08:04 +01:00
Rafael J. Wysocki
1b3e3aa6c5 PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so Kconfig options
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace PM_RUNTIME with PM in Kconfig dependencies throughout the
tree.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tejun Heo <tj@kernel.org>
2014-12-13 00:44:04 +01:00
Bartlomiej Zolnierkiewicz
1c3c052887 usb: phy: samsung: remove old USB 3.0 PHY driver
drivers/usb/phy/phy-samsung-usb3 driver got replaced by
drivers/phy/phy-samsung-usb3 one and is no longer used.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-09-02 09:16:44 -05:00
Bartlomiej Zolnierkiewicz
a8b5b12eff usb: phy: samsung: remove old USB 2.0 PHY driver
drivers/usb/phy/phy-samsung-usb2 driver got replaced by
drivers/phy/phy-samsung-usb2 one and is no longer used.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-09-02 09:16:43 -05:00
Liviu Dudau
113229b881 phy: Enable USB PHY support for arm64
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27 15:58:13 -07:00
Peter Chen
1dfa91aa5b usb: common: rename phy-fsm-usb.c to usb-otg-fsm.c
Since usb otg fsm implementation is not related to usb phy.
We move it from usb/phy/ to usb/common/, and rename it to
reflect its real meaning.

Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27 15:29:44 -07:00
Jean Delvare
efccd24ada usb: phy: add run-time dependencies to R-Car driver
The Renesas R-Car USB PHY driver only supports the R8A7778 and
R8A7779, it isn't useful on other systems unless build testing.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27 12:28:05 -07:00
Greg Kroah-Hartman
f8712528ae usb: patches for v3.16 merge window
Not a lot here during this merge window. Mostly we just have
 the usual miscellaneous patches (removal of unnecessary prints,
 proper dependencies being added to Kconfig, build warning fixes,
 new device ID, etc.
 
 Other than those, the only important new features are the
 new support for OS Strings which should help Linux Gadget
 Drivers behave better under MS Windows. Also Babble Recovery
 implementation for MUSB on AM335x. Lastly, we also have
 ARCH_QCOM PHY support though phy-msm.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.16 merge window

Not a lot here during this merge window. Mostly we just have
the usual miscellaneous patches (removal of unnecessary prints,
proper dependencies being added to Kconfig, build warning fixes,
new device ID, etc.

Other than those, the only important new features are the
new support for OS Strings which should help Linux Gadget
Drivers behave better under MS Windows. Also Babble Recovery
implementation for MUSB on AM335x. Lastly, we also have
ARCH_QCOM PHY support though phy-msm.

Signed-of-by: Felipe Balbi <balbi@ti.com>

Conflicts:
	drivers/usb/phy/phy-mv-u3d-usb.c
2014-05-23 11:28:21 +09:00
Arnd Bergmann
c5ab571f81 usb: phy: msm: reset controller is mandatory now
Commit a273454341 "usb: phy: msm: Use reset framework for LINK
and PHY resets" introduced a mandatory call to reset_control_get
into the msm usb phy driver, which means we have to add a Kconfig
dependency on the API to avoid this build error:

phy/phy-msm-usb.c: In function 'msm_otg_read_dt':
phy/phy-msm-usb.c:1461:2: error: implicit declaration of function 'devm_reset_control_get' [-Werror=implicit-function-declaration]
  motg->link_rst = devm_reset_control_get(&pdev->dev, "link");
  ^

Since the usb-ehci-msm driver currently selects the OTG driver,
we could still get a broken dependency here. To solve that,
this patch also removes the 'select', which turns out to be
unnecessary.

Reviewed-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-05-14 09:25:47 -05:00
Felipe Balbi
1f7fc40876 usb: phy: msm: enable build on other architectures
By adding COMPILE_TEST to the list of dependencies
we can build test this driver on all other architectures
which is very valuable for maintainers applying patches
and to find silly mistakes during development.

Reviewed-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-05-12 12:34:46 -05:00
Ivan T. Ivanov
0d092fdb8c usb: phy: msm: Make driver selectable on ARCH_QCOM
Controller could be found on APQ and MSM platforms,
make configuration description more generic.

Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-04-30 11:11:30 -05:00
Paul Bolle
543cab6402 usb: phy: mv_u3d: Remove usb phy driver for mv_u3d
The usb phy driver for mv_u3d got added in v3.7 through commit
a67e76ac90 ("usb: phy: mv_u3d: Add usb phy driver for mv_u3d"). It
then depended on USB_MV_U3D. And that symbol depended
on CPU_MMP3 at that time. But CPU_MMP3 has never been part of the tree.
This means that this drive was unbuildable when it was added.

In commit 60630c2eab ("usb: gadget: mv_u3d: drop ARCH dependency")
MV_U3D_PHY was made depended directly on CPU_MMP3. That kept it
unbuildable, of course.

Remove this driver. It can be re-added once its dependencies are part of
the tree.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-04-24 13:05:32 -07:00
Kishon Vijay Abraham I
14da699bc0 phy: rename struct omap_control_usb to struct omap_control_phy
Rename struct omap_control_usb to struct omap_control_phy since it can
be used to control PHY of USB, SATA and PCIE. Also move the driver and
include files under *phy* and made the corresponding changes in the users
of phy-omap-control.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
2014-03-09 12:45:08 +05:30
Kishon Vijay Abraham I
a70143bbef drivers: phy: usb3/pipe3: Adapt pipe3 driver to Generic PHY Framework
Adapted omap-usb3 PHY driver to Generic PHY Framework and moved phy-omap-usb3
driver in drivers/usb/phy to drivers/phy and also renamed the file to
phy-ti-pipe3 since this same driver will be used for SATA PHY and
PCIE PHY.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-03-06 14:49:33 +05:30
Felipe Balbi
e90b8417af Linux 3.13-rc5
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Merge tag 'v3.13-rc5' into next

Linux 3.13-rc5

* tag 'v3.13-rc5': (231 commits)
  Linux 3.13-rc5
  aio: clean up and fix aio_setup_ring page mapping
  aio/migratepages: make aio migrate pages sane
  aio: fix kioctx leak introduced by "aio: Fix a trinity splat"
  Don't set the INITRD_COMPRESS environment variable automatically
  mm: fix build of split ptlock code
  pstore: Don't allow high traffic options on fragile devices
  mm: do not allocate page->ptl dynamically, if spinlock_t fits to long
  mm: page_alloc: revert NUMA aspect of fair allocation policy
  Revert "mm: page_alloc: exclude unreclaimable allocations from zone fairness policy"
  mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support
  qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
  target: Remove extra percpu_ref_init
  arm64: ptrace: avoid using HW_BREAKPOINT_EMPTY for disabled events
  ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h
  target/file: Update hw_max_sectors based on current block_size
  iser-target: Move INIT_WORK setup into isert_create_device_ib_res
  iscsi-target: Fix incorrect np->np_thread NULL assignment
  mm/hugetlb: check for pte NULL pointer in __page_check_address()
  fix build with make 3.80
  ...

Conflicts:
	drivers/usb/phy/Kconfig
2013-12-23 11:22:46 -06:00
Aaro Koskinen
12c8d64e29 usb: phy: fix some Kconfig descriptions
Some module names are not up to date in Kconfig help texts. Fix that.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23 10:14:42 -06:00
Felipe Balbi
7cd0c298f6 usb: phy: fix driver dependencies
both isp1301-omap and fsl_usb2_otg drivers
depend on usb_bus_start_enum() which is only
defined if CONFIG_USB != n. There is a problem,
however, where both those drivers could be
statically linked, while CONFIG_USB=m.

Fix the problem by fixing driver dependency.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-16 21:31:24 -08:00
WingMan Kwok
25acdd08fd usb: phy: add Keystone usb phy driver
Add Keystone platform USB PHY driver support. Current main purpose
of this driver is to enable the PHY reference clock gate on the
Keystone SoC. Otherwise it is a nop PHY.

[ balbi@ti.com : add COMPILE_TEST as a possible dependency
	make sure drvdata is initialized before adding PHY ]

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-12 13:43:34 -06:00
Aaro Koskinen
9ba96ae507 usb: omap1: Tahvo USB transceiver driver
Add Tahvo USB transceiver driver.

Based on old code from linux-omap tree. The original driver was written
by Juha Yrjölä, Tony Lindgren, and Timo Teräs.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-06 14:46:32 -06:00
Aaro Koskinen
449d2ba613 usb: omap1: OTG controller driver
Transceivers need to manage OTG controller state on OMAP1 to enable
switching between peripheral and host modes. Provide a driver for that.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-06 14:40:26 -06:00
Anton Tikhomirov
e1d2e31975 usb: phy: Add OTG FSM configuration option
This patch removes dependency on Freescale USB UTG Transceiver
driver and makes OTG FSM implementation selectable.

Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-11-26 10:58:18 -06:00
Greg Kroah-Hartman
5328f35b15 usb: patches for v3.13
Final conversions to configfs for mass storage, acm_ms, and
 multi gadgets.
 
 MUSB should now work out of the box on AM335x-based boards
 (beagle bone white and black) with DMA thanks to Sebastian's
 work.
 
 We can now enable VERBOSE_DEBUG on builds of drivers/usb/gadget/
 by selecting CONFIG_USB_GADGET_VERBOSE.
 
 s3c-hsotg got quite a few non-critical fixes but also learned
 a few new tricks (isochronous transfers, multi count support).
 
 The Marvel USB3 Controller driver got a memory leak fix.
 
 devm_usb_get_phy() learned not to return NULL, ever.
 
 Other than these patches, we have the usual set of cleanups
 ranging from removal of unnecessary *_set_drvdata() to using
 SIMPLE_DEV_PM_OPS.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.13

Final conversions to configfs for mass storage, acm_ms, and
multi gadgets.

MUSB should now work out of the box on AM335x-based boards
(beagle bone white and black) with DMA thanks to Sebastian's
work.

We can now enable VERBOSE_DEBUG on builds of drivers/usb/gadget/
by selecting CONFIG_USB_GADGET_VERBOSE.

s3c-hsotg got quite a few non-critical fixes but also learned
a few new tricks (isochronous transfers, multi count support).

The Marvel USB3 Controller driver got a memory leak fix.

devm_usb_get_phy() learned not to return NULL, ever.

Other than these patches, we have the usual set of cleanups
ranging from removal of unnecessary *_set_drvdata() to using
SIMPLE_DEV_PM_OPS.

Signed-of-by: Felipe Balbi <balbi@ti.com>
2013-10-24 16:18:40 +01:00
Valentine Barshak
5578b266e9 usb: phy: Add RCAR Gen2 USB phy
This adds RCAR Gen2 USB phy support. The driver configures
USB channels 0/2 which are shared between PCI USB hosts and
USBHS/USBSS devices. It also controls internal USBHS phy.

Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-10-10 11:59:48 -05:00
Kishon Vijay Abraham I
6747caa76c usb: phy: twl4030: use the new generic PHY framework
Used the generic PHY framework API to create the PHY. For powering on
and powering off the PHY, power_on and power_off ops are used. Once the
MUSB OMAP glue is adapted to the new framework, the suspend and resume
ops of usb phy library will be removed. Also twl4030-usb driver is moved
to drivers/phy/.

However using the old usb phy library cannot be completely removed
because otg is intertwined with phy and moving to the new
framework completely will break otg. Once we have a separate otg state machine,
we can get rid of the usb phy library.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-27 17:36:58 -07:00
Kishon Vijay Abraham I
5d93d1e76a usb: phy: omap-usb2: use the new generic PHY framework
Used the generic PHY framework API to create the PHY. Now the power off and
power on are done in omap_usb_power_off and omap_usb_power_on respectively.
The omap-usb2 driver is also moved to driver/phy.

However using the old USB PHY library cannot be completely removed
because OTG is intertwined with PHY and moving to the new framework
will break OTG. Once we have a separate OTG state machine, we
can get rid of the USB PHY library.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-27 17:36:21 -07:00
Dave Jones
7ba0127805 USB: phy: Restrict AM335x PHY driver to only be built on !ARM when COMPILE_TEST is set.
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-26 16:25:20 -07:00
Greg Kroah-Hartman
165f60642a usb: patches for v3.12 merge window
All patches here have been pending on linux-usb
 and sitting in linux-next for a while now.
 
 The biggest things in this tag are:
 
 DWC3 learned proper usage of threaded IRQ
 handlers and now we spend very little time
 in hardirq context.
 
 MUSB now has proper support for BeagleBone and
 Beaglebone Black.
 
 Tegra's USB support also got quite a bit of love
 and is learning to use PHY layer and generic DT
 attributes.
 
 Other than that, the usual pack of cleanups and
 non-critical fixes follow.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.12 merge window

All patches here have been pending on linux-usb
and sitting in linux-next for a while now.

The biggest things in this tag are:

DWC3 learned proper usage of threaded IRQ
handlers and now we spend very little time
in hardirq context.

MUSB now has proper support for BeagleBone and
Beaglebone Black.

Tegra's USB support also got quite a bit of love
and is learning to use PHY layer and generic DT
attributes.

Other than that, the usual pack of cleanups and
non-critical fixes follow.

Signed-of-by: Felipe Balbi <balbi@ti.com>

Conflicts:
	drivers/usb/gadget/udc-core.c
	drivers/usb/host/ehci-tegra.c
	drivers/usb/musb/omap2430.c
	drivers/usb/musb/tusb6010.c
2013-08-13 15:28:01 -07:00
Sebastian Andrzej Siewior
3bb869c8b3 usb: phy: Add AM335x PHY driver
This driver is a redo of my earlier attempt. It uses parts of the
generic PHY driver and uses the new control driver for the register
the phy needs to power on/off the phy. It also enables easy access for
the wakeup register which is not yet implemented.
The difference between the omap attempt is:
- no static holding variable
- one global visible function which exports a struct with callbacks to
  access the "control" registers.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-08-09 17:34:15 +03:00
Roger Quadros
052a11d13b usb: phy: make PHY driver selection possible by controller drivers
Convert PHY Drivers from menuconfig to menu so that the PHY drivers
can be explicitely selected by the controller drivers.

USB_PHY is no longer a user visible option. It is upto to the PHY
drivers to select it if needed. This patch does so for the existing
PHY drivers that use the USB_PHY library.

Doing so moves the USB_PHY and PHY driver selection problem from the
end user to the PHY and controller driver developer.

e.g.

Earlier, a controller driver (e.g. EHCI_OMAP) that needs to select
a PHY driver (e.g. NOP_PHY) couldn't do so because the PHY driver
depended on USB_PHY. Making the controller driver depend on USB_PHY
has a negative effect i.e. it becomes invisible to the user till
USB_PHY is enabled. Most end users will not familiar with this.

With this patch, the end user just needs to select the controller driver
needed for his/her platform without worrying about which PHY driver to
select.

Also update USB_EHCI_MSM, USB_LPC32XX and USB_OMAP to not depend
on USB_PHY any more. They can safely select the necessary PHY drivers.

[ balbi@ti.com : refreshed on top of my next branch. Changed bool
	followed by default n into def_bool n ]

CC: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29 13:57:05 +03:00
Paul Gortmaker
4e682bbd32 usb: limit OMAP related USB options to OMAP2PLUS platforms
commit 57f6ce072e ("usb: phy:
add a new driver for usb3 phy") added the new Kconfig option
OMAP_USB3, but it had no dependencies whatsoever, and hence
became available across all arch/platforms.

Which presumably caused this to show up in x86 randconfig:

    warning: (USB_MUSB_HDRC && OMAP_USB3) selects \
        OMAP_CONTROL_USB which has unmet direct \
        dependencies (USB_SUPPORT && ARCH_OMAP2PLUS)

Then commit 6992819feb ("usb: phy:
fix Kconfig warning") was added.  However, this just deleted the
ARCH_OMAP2PLUS dependency from OMAP_CONTROL_USB, further
compounding the problem by opening up OMAP_CONTROL_USB to
all arch/platforms as well.

Earlier it was suggested[1] that we revert the change of 6992819feb
to restore the dependency, and add a same ARCH_OMAP2PLUS dependency
to the new OMAP_USB3 entry.  However that was discouraged on the
grounds of people wanting the extra sanity compile testing on x86,
even though the driver could probably never be used there.

Now we have CONFIG_COMPILE_TEST, so developers who value the ability
to compile drivers on an architecture that it never can be used for
can have that, and people who want dependencies to shield them from
seeing options that aren't relevant to their platform get what they
want too.

Here we restore the dependency but couple it with COMPILE_TEST, in
order to achieve both of the above goals.

[1] https://patchwork.kernel.org/patch/2194511/

Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Moiz Sonasath <m-sonasath@ti.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-26 13:55:21 -07:00
Linus Torvalds
3883cbb6c1 ARM SoC specific changes
These changes are all to SoC-specific code, a total of 33 branches on
 17 platforms were pulled into this. Like last time, Renesas sh-mobile
 is now the platform with the most changes, followed by OMAP and EXYNOS.
 
 Two new platforms, TI Keystone and Rockchips RK3xxx are added in
 this branch, both containing almost no platform specific code at all,
 since they are using generic subsystem interfaces for clocks, pinctrl,
 interrupts etc. The device drivers are getting merged through the
 respective subsystem maintainer trees.
 
 One more SoC (u300) is now multiplatform capable and several others
 (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
 towards that goal with this series but need more work.
 
 Also noteworthy is the work on PCI here, which is traditionally part of
 the SoC specific code. With the changes done by Thomas Petazzoni, we can
 now more easily have PCI host controller drivers as loadable modules and
 keep them separate from the platform code in drivers/pci/host. This has
 already led to the discovery that three platforms (exynos, spear and imx)
 are actually using an identical PCIe host controller and will be able
 to share a driver once support for spear and imx is added.
 
 Conflicts:
 * asm/glue-proc.h has one CPU type getting added that conflicts
   with another addition in 3.10-rc7
 * Simple context changes in arch/arm/Makefile and arch/arm/Kconfig
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC specific changes from Arnd Bergmann:
 "These changes are all to SoC-specific code, a total of 33 branches on
  17 platforms were pulled into this.  Like last time, Renesas sh-mobile
  is now the platform with the most changes, followed by OMAP and
  EXYNOS.

  Two new platforms, TI Keystone and Rockchips RK3xxx are added in this
  branch, both containing almost no platform specific code at all, since
  they are using generic subsystem interfaces for clocks, pinctrl,
  interrupts etc.  The device drivers are getting merged through the
  respective subsystem maintainer trees.

  One more SoC (u300) is now multiplatform capable and several others
  (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
  towards that goal with this series but need more work.

  Also noteworthy is the work on PCI here, which is traditionally part
  of the SoC specific code.  With the changes done by Thomas Petazzoni,
  we can now more easily have PCI host controller drivers as loadable
  modules and keep them separate from the platform code in
  drivers/pci/host.  This has already led to the discovery that three
  platforms (exynos, spear and imx) are actually using an identical PCIe
  host controller and will be able to share a driver once support for
  spear and imx is added."

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (480 commits)
  ARM: integrator: let pciv3 use mem/premem from device tree
  ARM: integrator: set local side PCI addresses right
  ARM: dts: Add pcie controller node for exynos5440-ssdk5440
  ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC
  ARM: EXYNOS: Enable PCIe support for Exynos5440
  pci: Add PCIe driver for Samsung Exynos
  ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage data
  ARM: keystone: Move CPU bringup code to dedicated asm file
  ARM: multiplatform: always pick one CPU type
  ARM: imx: select syscon for IMX6SL
  ARM: keystone: select ARM_ERRATA_798181 only for SMP
  ARM: imx: Synertronixx scb9328 needs to select SOC_IMX1
  ARM: OMAP2+: AM43x: resolve SMP related build error
  dmaengine: edma: enable build for AM33XX
  ARM: edma: Add EDMA crossbar event mux support
  ARM: edma: Add DT and runtime PM support to the private EDMA API
  dmaengine: edma: Add TI EDMA device tree binding
  arm: add basic support for Rockchip RK3066a boards
  arm: add debug uarts for rockchip rk29xx and rk3xxx series
  arm: Add basic clocks for Rockchip rk3066a SoCs
  ...
2013-07-02 13:43:38 -07:00
Greg Kroah-Hartman
f797d37ead Merge 3.10-rc7 into usb-next
We want the USB fixes and other good stuff in this branch as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-24 15:20:26 -07:00
George Spelvin
035978beaf usb: phy: Improve Kconfig help for CONFIG_USB_PHY
The previous text confused users by not describing the very common
(e.g. x86 PC) sitations where no PHY driver is necessary.

Signed-off-by: George Spelvin <linux@horizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-18 10:39:04 -07:00
Olof Johansson
a114926964 Renesas USB updates for v3.11
These updates are by Sergei Shtylyov to clean-up USB support
 present for R8A7779/Marzen and then extend USB support coverage to
 R8A7778/BOCK-W.
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Merge tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Renesas USB updates for v3.11

These updates are by Sergei Shtylyov to clean-up USB support
present for R8A7779/Marzen and then extend USB support coverage to
R8A7778/BOCK-W.

* tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: BOCK-W: add USB support
  ARM: shmobile: r8a7778: add USB support
  phy-rcar-usb: add R8A7778 support
  phy-rcar-usb: handle platform data
  ARM: shmobile: Marzen: pass platform data to USB PHY device
  phy-rcar-usb: add platform data
  phy-rcar-usb: correct base address
  ARM: shmobile: r8a7779: remove USB PHY 2nd memory resource
  phy-rcar-usb: remove EHCI internal buffer setup
  ARM: shmobile: r8a7779: setup EHCI internal buffer
  ehci-platform: add pre_setup() method to platform data
  ARM: shmobile: Marzen: move USB EHCI, OHCI, and PHY devices to R8A7779 code

Conflicts:
	arch/arm/mach-shmobile/board-marzen.c
	arch/arm/mach-shmobile/setup-r8a7778.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 17:36:30 -07:00
Sergei Shtylyov
54407f190c phy-rcar-usb: add R8A7778 support
The driver currently only supports R8A7779 SoC. Compared to it, R8A7778 USB-PHY
has extra register range containing two high-speed signal quality characteristic
control registers which should be set up  during USB-PHY  startup depending on
whether a ferrite bead is in use or not.  So, we now handle an optional second
memory range in the driver's probe method, add the 'ferrite_bead' field to the
driver's platform data, and add an extra (optional) step to the USB-PHY startup
routine which sets up the extended registers.

Also mark in the driver's Kconfig section  that R8A7778 is now supported and
generally clarify that section, uppercasing the word "phy" and also changing
the module name that got lost in the big driver rename, while at it...

The patch has been tested on the Marzen and BOCK-W boards.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-11 16:11:16 +09:00
Tomasz Figa
6278703bcc usb: phy: samsung: Select common driver part implicitly
Since phy-samsung-usb library can be used only by phy-samsung-usb2 and
phy-samsung-usb3 drivers, there is no need to give explicit control over
its Kconfig symbol.

This patch makes CONFIG_SAMSUNG_USBPHY symbol hidden and selected
implicitly by CONFIG_SAMSUNG_USB2PHY and CONFIG_SAMSUNG_USB3PHY.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:06:19 +03:00
Alan Stern
98f541c6e3 USB: remove remaining instances of USB_SUSPEND
Commit 84ebc10294 (USB: remove
CONFIG_USB_SUSPEND option) failed to remove all of the usages of
USB_SUSPEND throughout the kernel.  This patch (as1677) removes the
remaining instances of that symbol.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-15 13:44:44 -04:00