Commit graph

278 commits

Author SHA1 Message Date
Linus Torvalds
3d6f47801c USB patches for 4.4-rc1
Here is the big USB patchset for 4.4-rc1.
 
 As usual, most of the changes are in the gadget subsystem, and we
 removed a host controller for a device that is no longer in existance,
 and probably never was even made public.  There is also other minor
 driver updates and new device ids, full details in the changelog.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB patchset for 4.4-rc1.

  As usual, most of the changes are in the gadget subsystem, and we
  removed a host controller for a device that is no longer in existance,
  and probably never was even made public.  There is also other minor
  driver updates and new device ids, full details in the changelog.

  All of these have been in linux-next for a while"

* tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (233 commits)
  USB: core: Codestyle fix in urb.c
  usb: misc: usb3503: Use i2c_add_driver helper macro
  usb: host: lpc32xx: don't unregister phy device
  usb: host: lpc32xx: balance clk enable/disable on removal
  usb: host: lpc32xx: fix warnings caused by enabling unprepared clock
  uwb: drp: Use setup_timer
  uwb: neh: Use setup_timer
  uwb: rsv: Use setup_timer
  USB: qcserial: add Sierra Wireless MC74xx/EM74xx
  usb: chipidea: otg: don't wait vbus drops below BSV when starts host
  chipidea: ci_hdrc_pci: use PCI_VDEVICE() instead of PCI_DEVICE()
  doc: dt-binding: ci-hdrc-usb2: split vendor specific properties
  usb: chipidea: imx: add imx6ul usb support
  doc: dt-binding: ci-hdrc-usb2: improve property description
  usb: chipidea: imx: add usb support for imx7d
  Doc: usb: ci-hdrc-usb2: Add phy-clkgate-delay-us entry
  usb: chipidea: Add support for 'phy-clkgate-delay-us' property
  usb: chipidea: Use extcon framework for VBUS and ID detect
  usb: gadget: net2280: restore ep_cfg after defect7374 workaround
  usb: dwc2: host: Fix use after free w/ simultaneous irqs
  ...
2015-11-04 21:26:27 -08:00
Ingo Molnar
a1a2ab2ff7 Linux 4.3-rc6
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Merge tag 'v4.3-rc6' into locking/core, to pick up fixes before applying new changes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-10-20 10:16:46 +02:00
Greg Kroah-Hartman
539669779a phy: for 4.4
*) Add new PHY driver for Broadcom's cygnus PCIe PHY
 *) Add USB3 PHY driver for mediatek's SoCs
 *) Add VBUS regulator support for Samsung's exynos PHY
 *) Misc cleanup
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.4

*) Add new PHY driver for Broadcom's cygnus PCIe PHY
*) Add USB3 PHY driver for mediatek's SoCs
*) Add VBUS regulator support for Samsung's exynos PHY
*) Misc cleanup

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-17 20:12:19 -07:00
Ray Jui
882fed7342 phy: cygnus: pcie: Add Cygnus PCIe PHY support
This patch adds the PCIe PHY support for the Broadcom PCIe RC interface
on Cygnus

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Arun Parameswaran <aparames@broadcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-06 20:21:48 +05:30
Axel Lin
b2dfc34c97 phy: sun4i-usb: Use devm_gpiod_get_optional for optional GPIOs
Both data->id_det_gpio and data->vbus_det_gpio are optional, so use
devm_gpiod_get_optional for them.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-06 20:21:47 +05:30
Chunfeng Yun
dc7f190fd5 phy: add usb3.0 phy driver for mt65xx SoCs
support usb3.0 phy of mt65xx SoCs

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-06 20:21:47 +05:30
Marek Szyprowski
a007ddbaef phy: exynos-usb2: add vbus regulator support
Exynos USB2 PHY has separate power supply, which is usually provided by
VBUS regulator. This patch adds support for it. VBUS regulator is
optional, to keep compatibility with boards, which have VBUS provided
from some always-on power source.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-06 20:21:47 +05:30
Luis de Bethencourt
f9fef6181a phy: berlin-sata: Fix module autoload for OF platform driver
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: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-09-25 17:01:14 +05:30
huang lin
08db7e5cbf phy: rockchip-usb: power down phy when rockchip phy probe
rockchip phy are enable when soc reset, to save power consumption,
we disable it when probe, and enable each phy when it use

Signed-off-by: huang lin <hl@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-09-25 17:01:14 +05:30
Yaniv Gardi
65d49b3d70 phy: qcom-ufs: fix build error when the component is built as a module
Export the following functions in order to avoid build errors
when the component PHY_QCOM_UFS is compiled as a module:

ERROR: "ufs_qcom_phy_disable_ref_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_enable_ref_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_is_pcs_ready"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_disable_iface_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_start_serdes"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_calibrate_phy"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_enable_dev_ref_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_set_tx_lane_enable"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_disable_dev_ref_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_save_controller_version"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
ERROR: "ufs_qcom_phy_enable_iface_clk"
	[drivers/scsi/ufs/ufs-qcom.ko] undefined!
make[1]: *** [__modpost] Error 1

Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-09-25 17:01:14 +05:30
Boqun Feng
8456799561 locking/atomics, cmpxchg: Privatize the inclusion of asm/cmpxchg.h
After commit:

  654672d4ba ("locking/atomics: Add _{acquire|release|relaxed}() variants of some atomic operations")

Architectures may only provide {cmp,}xchg_relaxed definitions in
asm/cmpxchg.h. Other variants, such as {cmp,}xchg, may be built in
linux/atomic.h, which means simply including asm/cmpxchg.h may not get
the definitions of all the{cmp,}xchg variants.

Therefore, we should privatize the inclusions of asm/cmpxchg.h to
keep it only included in arch/* and replace the inclusions outside
with linux/atomic.h

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Aybuke Ozdemir <aybuke.147@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Shradha Shah <sshah@solarflare.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: devel@driverdev.osuosl.org
Cc: linux-net-drivers@solarflare.com
Cc: speakup@linux-speakup.org
Link: http://lkml.kernel.org/r/1440589966-26280-1-git-send-email-boqun.feng@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-09-13 10:35:46 +02:00
Linus Torvalds
8d2faea672 This is the bulk of GPIO changes for the v4.3 kernel cycle:
Core changes:
 
 - Root out the wrapper devm_gpiod_get() and gpiod_get() etc
   versions of the descriptor calls that did not use the flags
   argument on the end. This was around for too long and eventually
   Uwe Kleine-König took the time to clean it out and the last
   users are removed along with the macros in this tag. In several
   cases the use of flags simplifies the code. For this reason we
   have (ACKed) patches hitting in DRM, IIO, media, NFC, USB+PHY
   up until we hammer in the nail with removing the macros.
 
 - Add a fat document describing how much ready-made GPIO stuff
   we have i the kernel to discourage people from reinventing
   a square wheel in userspace, as so often happens.
 
 - Create a separate lockdep class for each instance of a GPIO
   IRQ chip instead of using one class for all chips, as the current
   code will not work with systems with several GPIO chips doing
   lockdep debugging.
 
 - Protect against driver unloading also when a GPIO line is only
   used as IRQ for the GPIOLIB_IRQCHIP helpers.
 
 - If the GPIO chip has no designated owner, assign the parent
   device driver owner as owner.
 
 - Consolidation of chained IRQ handler install/remove replacing
   all call sites where irq_set_handler_data() and
   irq_set_chained_handler() were done in succession with a
   combined call to irq_set_chained_handler_and_data(). This
   series was created by Thomas Gleixner after the problem was
   observed by Russell King.
 
 - Tglx also made another series of patches switching
   __irq_set_handler_locked() for irq_set_handler_locked() which
   is way cleaner.
 
 - Tglx and Jiang Liu wrote a good bunch of patches to make use of
   irq_desc_get_xxx() accessors and avoid looking up irq_descs
   from IRQ numbers. The goal is to get rid of the irq number
   from the handlers in the IRQ flow which is nice.
 
 - Rob Herring killed off the set_irq_flags() for all GPIO
   drivers. This was an ARM specific function that is replaced
   with the generic irq_modify_status() where special flags
   are actually needed.
 
 - When an OF node has a pin range for its GPIOs, return
   -EPROBE_DEFER if the pin controller isn't available.
   Pretty logical, yet needed to be fixed.
 
 - If a driver using GPIOLIB_IRQCHIP has its own
   irq_*_resources call back, then call these instead of the
   defaults provided by the GPIOLIB.
 
 - Fix an undocumented ABI hole: named GPIOs were not
   properly documented.
 
 Driver improvements:
 
 - Add get_direction() support to the generic GPIO driver, it's
   strange that we didn't have that before.
 
 - Make it possible to have input-only GPIO chips using the
   generic GPIO driver.
 
 - Clean out platform data support from the Emma Mobile (EM)
   driver
 
 - Finegrained runtime PM support for the RCAR driver.
 
 - Support r8a7795 (R-car H3) in the RCAR driver.
 
 - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.
 
 - Some consolidation and new support in the MPC8xxx driver,
   we now support MPC5125.
 
 - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
   spinlocks making it work better with the realime patches.
 
 - Interrupt support for the EXTRAXFS GPIO driver.
 
 - Make the ETRAXFS GPIO driver support also ARTPEC-3.
 
 - Interrupt and wakeup support for the BRCMSTB driver, also for
   wakeup from S5 cold boot.
 
 - Mask MXC IRQs during suspend.
 
 - Improve OMAP2 GPIO set_debounce() to work according to spec.
 
 - The VF610 driver handles IRQs properly.
 
 New drivers:
 
 - ZTE ZX GPIO driver.
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Merge tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.3 kernel cycle.

  There is quite a lot going on in the GPIO subsystem this merge window,
  so the main matter is decribed below.

  The hits in other subsystems when making the GPIO flags optional are
  all ACKed by their respective subsystem maintainers.

  Core changes:

   - Root out the wrapper devm_gpiod_get() and gpiod_get() etc versions
     of the descriptor calls that did not use the flags argument on the
     end.  This was around for too long and eventually Uwe Kleine-König
     took the time to clean it out and the last users are removed along
     with the macros in this tag.  In several cases the use of flags
     simplifies the code.  For this reason we have (ACKed) patches
     hitting in DRM, IIO, media, NFC, USB+PHY up until we hammer in the
     nail with removing the macros.

   - Add a fat document describing how much ready-made GPIO stuff we
     have i the kernel to discourage people from reinventing a square
     wheel in userspace, as so often happens.

   - Create a separate lockdep class for each instance of a GPIO IRQ
     chip instead of using one class for all chips, as the current code
     will not work with systems with several GPIO chips doing lockdep
     debugging.

   - Protect against driver unloading also when a GPIO line is only used
     as IRQ for the GPIOLIB_IRQCHIP helpers.

   - If the GPIO chip has no designated owner, assign the parent device
     driver owner as owner.

   - Consolidation of chained IRQ handler install/remove replacing all
     call sites where irq_set_handler_data() and
     irq_set_chained_handler() were done in succession with a combined
     call to irq_set_chained_handler_and_data().

     This series was created by Thomas Gleixner after the problem was
     observed by Russell King.

   - Tglx also made another series of patches switching
     __irq_set_handler_locked() for irq_set_handler_locked() which is
     way cleaner.

   - Tglx and Jiang Liu wrote a good bunch of patches to make use of
     irq_desc_get_xxx() accessors and avoid looking up irq_descs from
     IRQ numbers.  The goal is to get rid of the irq number from the
     handlers in the IRQ flow which is nice.

   - Rob Herring killed off the set_irq_flags() for all GPIO drivers.
     This was an ARM specific function that is replaced with the generic
     irq_modify_status() where special flags are actually needed.

   - When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER
     if the pin controller isn't available.  Pretty logical, yet needed
     to be fixed.

   - If a driver using GPIOLIB_IRQCHIP has its own irq_*_resources call
     back, then call these instead of the defaults provided by the
     GPIOLIB.

   - Fix an undocumented ABI hole: named GPIOs were not properly
     documented.

  Driver improvements:

   - Add get_direction() support to the generic GPIO driver, it's
     strange that we didn't have that before.

   - Make it possible to have input-only GPIO chips using the generic
     GPIO driver.

   - Clean out platform data support from the Emma Mobile (EM) driver

   - Finegrained runtime PM support for the RCAR driver.

   - Support r8a7795 (R-car H3) in the RCAR driver.

   - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.

   - Some consolidation and new support in the MPC8xxx driver, we now
     support MPC5125.

   - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
     spinlocks making it work better with the realime patches.

   - Interrupt support for the EXTRAXFS GPIO driver.

   - Make the ETRAXFS GPIO driver support also ARTPEC-3.

   - Interrupt and wakeup support for the BRCMSTB driver, also for
     wakeup from S5 cold boot.

   - Mask MXC IRQs during suspend.

   - Improve OMAP2 GPIO set_debounce() to work according to spec.

   - The VF610 driver handles IRQs properly.

  New drivers:

   - ZTE ZX GPIO driver"

* tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
  Revert "gpio: extraxfs: fix returnvar.cocci warnings"
  gpio: tc3589x: use static container helper
  gpio: xlp: fix error return code
  gpio: vf610: handle level IRQ's properly
  gpio: max732x: Fix error handling in probe()
  gpio: omap: fix clk_prepare/unprepare usage
  gpio: omap: protect regs access in omap_gpio_irq_handler
  gpio: omap: fix omap2_set_gpio_debounce
  gpio: omap: switch to use platform_get_irq
  gpio: omap: remove wrong irq_domain_remove usage in probe
  gpiolib: add description for gpio irqchip fields in struct gpio_chip
  gpio: extraxfs: fix returnvar.cocci warnings
  gpiolib: irqchip: use different lockdep class for each gpio irqchip
  gpio/grgpio: fix deadlock in grgpio_irq_unmap()
  Documentation: gpio: consumer: describe active low property
  gpio: mxc: fix section mismatch warning
  gpio/mxc: mask gpio interrupts in suspend
  gpio: omap: Fix missing raw locks conversion
  gpio: brcmstb: support wakeup from S5 cold boot
  gpio: brcmstb: Add interrupt and wakeup source support
  ...
2015-09-04 10:07:45 -07:00
Greg Kroah-Hartman
d50f14805e phy: for 4.3
*) Add new NXP USB OTG PHY driver
 *) Add vbus/id detection, extcon support and fixes in phy-sun4i-usb
    driver
 *) Add support to use phy-sun4i-usb driver for sun8i-a23 and sun8i-a33
    SoCs
 *) Other trivial code cleanups, dropping .owner assignment and constify
    phy_ops
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.3

*) Add new NXP USB OTG PHY driver
*) Add vbus/id detection, extcon support and fixes in phy-sun4i-usb
   driver
*) Add support to use phy-sun4i-usb driver for sun8i-a23 and sun8i-a33
   SoCs
*) Other trivial code cleanups, dropping .owner assignment and constify
   phy_ops

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-14 16:45:51 -07:00
Linus Walleij
5f6f02cd49 Linux 4.2-rc4
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Merge tag 'v4.2-rc4' into devel

Linux 4.2-rc4
2015-08-13 14:42:55 +02:00
Joachim Eastwood
cfd093bbb5 phy: lpc18xx-usb-otg: fix clock order in phy init
Changing the frequency of the USB clock must be done before the
PLL is powered on (prepared). This matters when the USB clock
is not setup by either boot ROM or boot loader. Reorder the
function calls to adhere to the order noted in the user manual.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-10 20:11:58 +05:30
Axel Lin
4a9e5ca1a5 phy: Constify struct phy_ops variables
The phy_ops variables are never modified after initialized in these
drivers, so make them const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-03 18:35:09 +05:30
Axel Lin
42ad8f6721 phy: ulpi_phy: Add const qualifier to ops
The ops is never changed in ulpi_phy_create(), so make it const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-03 18:35:09 +05:30
Hans de Goede
8083526e05 phy-sun4i-usb: Only check vbus-det on power-on on boards with vbus-det
data->vbus_det is always 1 on boards without a (working) vbus-det, skip
the vbus_det test on such boards.

This fixes the sun4i usb phy code never turning on Vbus on such boards.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-03 18:35:08 +05:30
Hans de Goede
3d772c4adb phy-sun4i-sub: Move vbus-detect helper functions up in the file
Move vbus-detect helper functions up in the file, just moving some code
around, no functional changes what so ever.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-03 18:35:08 +05:30
Roger Quadros
c934b36127 phy: ti-pipe3: i783 workaround for SATA lockup after dpll unlock/relock
SATA_PLL_SOFT_RESET bit of CTRL_CORE_SMA_SW_0 must be toggled
between a SATA DPLL unlock and re-lock to prevent SATA lockup.

Introduce a new DT parameter 'syscon-pllreset' to provide the syscon
regmap access to this register which sits in the control module.

If the register is not provided we fallback to the old behaviour
i.e. SATA DPLL refclk will not be disabled and we prevent SoC low
power states.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-01 15:52:58 +05:30
Hans de Goede
7167bf8b7f phy-sun4i-usb: Add missing EXPORT_SYMBOL_GPL for sun4i_usb_phy_set_squelch_detect
sun4i_usb_phy_set_squelch_detect is used by other code, which may be built
as a module, so it should be exported.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-01 15:52:58 +05:30
Krzysztof Kozlowski
219bf1599e phy: Drop owner assignment from platform_driver
platform_driver does not need to set an owner because
platform_driver_register() will set it.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:48 +05:30
Krzysztof Kozlowski
511fdecc9b phy: Drop owner assignment from i2c_driver
i2c_driver does not need to set an owner because i2c_register_driver()
will set it.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:48 +05:30
Michal Simek
2508aaed39 phy: berlin: Trivial coding style cleanup
Remove unneeded space after tab.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:48 +05:30
Michal Simek
456dedc9e7 phy: berlin: Do not use sata name in usb phy driver
copy and paste error from berlin sata phy driver.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:48 +05:30
Michal Simek
2c89e41f03 phy: berlin: .owner field is setup by core
There was big cleanup in past to remove this unneeded setting.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:48 +05:30
Hans de Goede
8665c18bec phy-sun4i-usb: Add support for monitoring vbus via a power-supply
On some boards there is no vbus_det gpio pin, instead vbus-detection for
otg can be done via the pmic.

This commit adds support for monitoring vbus_det via the power_supply
exported by the pmic, enabling support for otg on these boards.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
1aedf3a7a4 phy-sun4i-usb: Add support for boards with broken Vusb-detection
On some boards we cannot detect the presence of an external Vusb, because
e.g. the 5V of the otg connector is directly connected to the 5V of the board,
and thus is always high.

This commit adds support for using such boards by only looking at the
id-detection pin.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
fc1f45ed30 phy-sun4i-usb: Add support for the usb-phys on the sun8i-a33 SoC
The usb-phys on the sun8i-a33 SoC are mostly the same as sun8i-a23 but for
some reason (hw bug?) the phyctl register was moved to a different address
and is not initialized to 0 on reset.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
123dfdbcfa phy-sun4i-usb: Add support for the usb-phys on the sun8i-a23 SoC
The usb-phys on the sun8i-a23 SoC have the same setup wrt clocks as on the
sun6i-a31 SoC, but there are only 2 instead of 3 like on the sun5i-a13 SoC.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
2846469631 phy-sun4i-usb: Swap check for disconnect threshold
Before this commit the code for determining the disconnect threshold was
checking for "allwinner,sun4i-a10-usb-phy" or "allwinner,sun6i-a31-usb-phy"
assuming that those where the exception and then newer SoCs would use a
disconnect threshold of 2 like sun7i does. But it turns out that newer
SoCs use a disconnect threshold of 3 and sun5i and sun7i are the
exceptions, so check for those instead.

Here are the settings from the various Allwinner SDK sources:
 sun4i-a10: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
 sun5i-a13: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
 sun6i-a31: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
 sun7i-a20: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
 sun8i-a23: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
 sun8i-h3:  USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
 sun9i-a80: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);

Note this commit makes no functional changes as currently we only support
sun4i - sun7i.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
1a52abe682 phy-sun4i-usb: Add extcon support for the otg phy (phy0)
The sunxi musb glue needs to know if a host or normal usb cable is plugged
in, add extcon support so that the musb glue can monitor the host status.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Hans de Goede
d2332303ef phy-sun4i-usb: Add id and vbus detection support for the otg phy (phy0)
The usb0 phy is connected to an OTG controller, and as such needs some special
handling:

1) It allows explicit control over the pullups, enable these on phy_init and
disable them on phy_exit.

2) It has bits to signal id and vbus detect to the musb-core, add support for
for monitoring id and vbus detect gpio-s for use in dual role mode, and set
these bits to the correct values for operating in host only mode when no
gpios are specified in the devicetree.

While updating the devicetree binding documentation also add documentation
for the sofar undocumented usage of regulators for vbus for all 3 phys.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:47 +05:30
Joachim Eastwood
cbf919bd32 phy: add lpc18xx usb otg phy driver
Add PHY driver for the internal USB OTG PHY found on NXP
LPC18xx and LPC43xx devices. This driver takes care of
enabling the PHY in CREG (syscon) and setting the required
clock frequency.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-25 15:45:46 +05:30
Thomas Hebb
dcb54fcb34 phy: berlin-usb: fix divider for BG2
The USB PLL divider set by the marvell,berlin2-usb-phy compatible is not
correct for BG2. We couldn't change it before because BG2Q incorrectly
used the same compatible string. Now that BG2Q's compatible is fixed,
change BG2's divider to the correct value.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Tested-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-15 20:02:09 +05:30
Thomas Hebb
96696a9df9 phy: berlin-usb: fix divider for BG2CD
The marvell,berlin2cd-usb-phy compatible incorrectly sets the PLL
divider to BG2's value instead of BG2CD/BG2Q's. Change it to the right
value.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-15 20:02:09 +05:30
Sebastian Ott
1c4b1d1da3 phy/pxa: add HAS_IOMEM dependency
Fix this compile error:

drivers/built-in.o: In function 'mv_usb2_phy_probe':
phy-pxa-28nm-usb2.c:(.text+0x25ec): undefined reference to
'devm_ioremap_resource'
drivers/built-in.o: In function 'mv_hsic_phy_probe':
phy-pxa-28nm-hsic.c:(.text+0x3084): undefined reference to
'devm_ioremap_resource'

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-15 20:02:09 +05:30
Roger Quadros
0a0830feb2 phy: ti-pipe3: fix suspend
Relying on PM-ops for shutting down PHY clocks was a
bad idea since the users (e.g. PCIe/SATA) might not
have been suspended by then.

The main culprit for not shutting down the clocks was
the stray pm_runtime_get() call in probe.

Fix the whole thing in the right way by getting rid
of that pm_runtime_get() call from probe and
removing all PM-ops. It is the sole responsibility
of the PHY user to properly turn OFF and de-initialize
the PHY as part of its suspend routine.

As PHY core serializes init/exit we don't need
to use a spinlock in this driver. So get rid of it.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-07-15 20:02:09 +05:30
Uwe Kleine-König
8e71c68074 phy: tusb1210: make better use of gpiod API
Since 39b2bbe3d7 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.

Furthermore there is devm_gpiod_get_optional which is designed to get
optional gpios.

Simplify driver accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2015-07-06 10:10:22 +02:00
Linus Torvalds
78c10e556e Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:

 - Improvements to the tlb_dump code
 - KVM fixes
 - Add support for appended DTB
 - Minor improvements to the R12000 support
 - Minor improvements to the R12000 support
 - Various platform improvments for BCM47xx
 - The usual pile of minor cleanups
 - A number of BPF fixes and improvments
 - Some improvments to the support for R3000 and DECstations
 - Some improvments to the ATH79 platform support
 - A major patchset for the JZ4740 SOC adding support for the CI20 platform
 - Add support for the Pistachio SOC
 - Minor BMIPS/BCM63xx platform support improvments.
 - Avoid "SYNC 0" as memory barrier when unlocking spinlocks
 - Add support for the XWR-1750 board.
 - Paul's __cpuinit/__cpuinitdata cleanups.
 - New Malta CPU board support large memory so enable ZONE_DMA32.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (131 commits)
  MIPS: spinlock: Adjust arch_spin_lock back-off time
  MIPS: asmmacro: Ensure 64-bit FP registers are used with MSA
  MIPS: BCM47xx: Simplify handling SPROM revisions
  MIPS: Cobalt Don't use module_init in non-modular MTD registration.
  MIPS: BCM47xx: Move NVRAM driver to the drivers/firmware/
  MIPS: use for_each_sg()
  MIPS: BCM47xx: Don't select BCMA_HOST_PCI
  MIPS: BCM47xx: Add helper variable for storing NVRAM length
  MIPS: IRQ/IP27: Move IRQ allocation API to platform code.
  MIPS: Replace smp_mb with release barrier function in unlocks.
  MIPS: i8259: DT support
  MIPS: Malta: Basic DT plumbing
  MIPS: include errno.h for ENODEV in mips-cm.h
  MIPS: Define GCR_GIC_STATUS register fields
  MIPS: BPF: Introduce BPF ASM helpers
  MIPS: BPF: Use BPF register names to describe the ABI
  MIPS: BPF: Move register definition to the BPF header
  MIPS: net: BPF: Replace RSIZE with SZREG
  MIPS: BPF: Free up some callee-saved registers
  MIPS: Xtalk: Update xwidget.h with known Xtalk device numbers
  ...
2015-06-27 12:44:34 -07:00
Linus Torvalds
2a298679b4 USB patches for 4.2-rc1
Here's the big USB patchset for 4.2-rc1.  As is normal these days, the
 majority of changes are in the gadget drivers, with a bunch of other
 small driver changes.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big USB patchset for 4.2-rc1.  As is normal these days, the
  majority of changes are in the gadget drivers, with a bunch of other
  small driver changes.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
  usb: dwc3: Use ASCII space in Kconfig
  usb: chipidea: add work-around for Marvell HSIC PHY startup
  usb: chipidea: allow multiple instances to use default ci_default_pdata
  dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
  phy: add Marvell HSIC 28nm PHY
  phy: Add Marvell USB 2.0 OTG 28nm PHY
  dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
  USB: ssb: use devm_kzalloc
  USB: ssb: fix error handling in ssb_hcd_create_pdev()
  usb: isp1760: check for null return from kzalloc
  cdc-acm: Add support of ATOL FPrint fiscal printers
  usb: chipidea: usbmisc_imx: Remove unneeded semicolon
  USB: usbtmc: add device quirk for Rigol DS6104
  USB: serial: mos7840: Use setup_timer
  phy: twl4030-usb: add ABI documentation
  phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
  phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
  phy: twl4030-usb: make runtime pm more reliable.
  drivers:usb:fsl: Fix compilation error for fsl ehci drv
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  ...
2015-06-26 15:59:26 -07:00
Pratyush Anand
9c5dcdd0c7 Mohit Kumar has moved
Mohit's email-id doesn't exist anymore as he has left the company.
Replace ST's id with mohit.kumar.dhaka@gmail.com.

Signed-off-by: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Mohit Kumar <mohit.kumar.dhaka@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25 17:00:38 -07:00
Pratyush Anand
e34cadde3b Pratyush Anand has moved
pratyush.anand@st.com email-id doesn't exist anymore as I have left the
company.  Replace ST's id with pratyush.anand@gmail.com.

Signed-off-by: Pratyush Anand <pratyush.anand@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25 17:00:38 -07:00
Andrew Bresticker
57991ebaf9 PHY: Add driver for Pistachio USB2.0 PHY
Add a driver for the USB2.0 PHY found on the IMG Pistachio SoC.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: James Hartley <james.hartley@imgtec.com>
Cc: Damien Horsley <Damien.Horsley@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/9728/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-21 21:53:38 +02:00
Rob Herring
10d9029bcb phy: add Marvell HSIC 28nm PHY
Add PHY driver for the Marvell HSIC 28nm PHY. This PHY is found in PXA1928
SOC.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-09 12:20:30 -07:00
Rob Herring
603c5f9d9c phy: Add Marvell USB 2.0 OTG 28nm PHY
Add driver for USB 28nm PHY found in Marvell PXA1928 SOC.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-09 12:20:30 -07:00
Greg Kroah-Hartman
19915e6234 Merge 4.1-rc7 into usb-next
This resolves a merge issue in musb_core.c and we want the fixes that
were in Linus's tree in this branch as well for testing.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 10:57:51 -07:00
Greg Kroah-Hartman
b3d424e3dc phy: for 4.2 merge window
*) new Broadcom SATA3 PHY driver for Broadcom STB SoCs
 *) new phy API to get PHY by index which is used in EHCI and
    OHCI controller drivers
 *) support specifying supply at port level used for multi-port PHYs
 *) sparse warning fixes in miphy PHYs
 *) fix pm_runtime issues in twl4030 driver
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.2 merge window

*) new Broadcom SATA3 PHY driver for Broadcom STB SoCs
*) new phy API to get PHY by index which is used in EHCI and
   OHCI controller drivers
*) support specifying supply at port level used for multi-port PHYs
*) sparse warning fixes in miphy PHYs
*) fix pm_runtime issues in twl4030 driver

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-06-03 14:13:41 +09:00
NeilBrown
4724e27114 phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
The USB phy should initialize with power-off, and will be powered on
by the USB system when a cable connection is detected.

Having this pm_runtime_get_sync() during probe causes the phy to
*always* be powered on.
Removing it returns to sensible power management.

Fixes: 96be39ab34
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-06-01 16:08:24 +05:30
NeilBrown
186ecebeb6 phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
When the runtime_suspend callback is running, 'runtime_status'
is always RPM_SUSPENDING, so pm_runtime_suspended() will always
fail.
Similarly while the runtime_resume callback is running
'runtime_status' is RPM_RESUMING, so pm_runtime_active() will
always fail.

So remove these two pointless tests.

Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-06-01 16:08:24 +05:30