linux-stable.git/Documentation/devicetree/bindings/usb, branch linux-3.16.y Linux kernel stable tree Merge tag 'devicetree-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next 2014-06-04T17:02:38+00:00 Linus Torvalds torvalds@linux-foundation.org 2014-06-04T17:02:38+00:00 d27050641e9bc056446deb0814e7ba1aa7911f5a Pull DeviceTree updates from Rob Herring: - Another round of clean-up of FDT related code in architecture code. This removes knowledge of internal FDT details from most architectures except powerpc. - Conversion of kernel's custom FDT parsing code to use libfdt. - DT based initialization for generic serial earlycon. The introduction of generic serial earlycon support went in through the tty tree. - Improve the platform device naming for DT probed devices to ensure unique naming and use parent names instead of a global index. - Fix a race condition in of_update_property. - Unify the various linker section OF match tables and fix several function prototype errors. - Update platform_get_irq_byname to work in deferred probe cases. - 2 binding doc updates * tag 'devicetree-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (58 commits) of: handle NULL node in next_child iterators of/irq: provide more wrappers for !CONFIG_OF devicetree: bindings: Document micrel vendor prefix dt: bindings: dwc2: fix required value for the phy-names property of_pci_irq: kill useless variable in of_irq_parse_pci() of/irq: do irq resolution in platform_get_irq_byname() of: Add a testcase for of_find_node_by_path() of: Make of_find_node_by_path() handle /aliases of: Create unlocked version of for_each_child_of_node() lib: add glibc style strchrnul() variant of: Handle memory@0 node on PPC32 only pci/of: Remove dead code of: fix race between search and remove in of_update_property() of: Use NULL for pointers of: Stop naming platform_device using dcr address of: Ensure unique names without sacrificing determinism tty/serial: pl011: add DT based earlycon support of/fdt: add FDT serial scanning for earlycon of/fdt: add FDT address translation support serial: earlycon: add DT support ... 
Pull DeviceTree updates from Rob Herring:
 - Another round of clean-up of FDT related code in architecture code.
   This removes knowledge of internal FDT details from most
   architectures except powerpc.
 - Conversion of kernel's custom FDT parsing code to use libfdt.
 - DT based initialization for generic serial earlycon.  The
   introduction of generic serial earlycon support went in through the
   tty tree.
 - Improve the platform device naming for DT probed devices to ensure
   unique naming and use parent names instead of a global index.
 - Fix a race condition in of_update_property.
 - Unify the various linker section OF match tables and fix several
   function prototype errors.
 - Update platform_get_irq_byname to work in deferred probe cases.
 - 2 binding doc updates

* tag 'devicetree-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (58 commits)
  of: handle NULL node in next_child iterators
  of/irq: provide more wrappers for !CONFIG_OF
  devicetree: bindings: Document micrel vendor prefix
  dt: bindings: dwc2: fix required value for the phy-names property
  of_pci_irq: kill useless variable in of_irq_parse_pci()
  of/irq: do irq resolution in platform_get_irq_byname()
  of: Add a testcase for of_find_node_by_path()
  of: Make of_find_node_by_path() handle /aliases
  of: Create unlocked version of for_each_child_of_node()
  lib: add glibc style strchrnul() variant
  of: Handle memory@0 node on PPC32 only
  pci/of: Remove dead code
  of: fix race between search and remove in of_update_property()
  of: Use NULL for pointers
  of: Stop naming platform_device using dcr address
  of: Ensure unique names without sacrificing determinism
  tty/serial: pl011: add DT based earlycon support
  of/fdt: add FDT serial scanning for earlycon
  of/fdt: add FDT address translation support
  serial: earlycon: add DT support
  ...
Merge tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb into next 2014-06-03T16:11:20+00:00 Linus Torvalds torvalds@linux-foundation.org 2014-06-03T16:11:20+00:00 e5c4ecdc55b6d824365ba7964bcd3185223f9688 Pull USB driver updates from Greg KH: "Here is the big USB driver pull request for 3.16-rc1. Nothing huge here, but lots of little things in the USB core, and in lots of drivers. Hopefully the USB power management will be work better now that it has been reworked to do per-port power control dynamically. There's also a raft of gadget driver updates and fixes, CONFIG_USB_DEBUG is finally gone now that everything has been converted over to the dynamic debug inteface, the last hold-out drivers were cleaned up and the config option removed. There were also other minor things all through the drivers/usb/ tree, the shortlog shows this pretty well. All have been in linux-next, including the very last patch, which came from linux-next to fix a build issue on some platforms" * tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits) usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y USB: orinoco_usb: remove CONFIG_USB_DEBUG support USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support USB: media: streamzap: remove CONFIG_USB_DEBUG USB: media: redrat3: remove CONFIG_USB_DEBUG usage USB: media: redrat3: remove unneeded tracing macro usb: qcserial: add additional Sierra Wireless QMI devices usb: host: max3421-hcd: Use module_spi_driver usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue() usb: qcserial: add Netgear AirCard 341U Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2 usb: host: xhci-plat: add xhci_plat_start() usb: host: max3421-hcd: Fix potential NULL urb dereference Revert "usb: gadget: net2280: Add support for PLX USB338X" USB: usbip: remove CONFIG_USB_DEBUG reference USB: remove CONFIG_USB_DEBUG from defconfig files usb: resume child device when port is powered on usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y ... 
Pull USB driver updates from Greg KH:
 "Here is the big USB driver pull request for 3.16-rc1.

  Nothing huge here, but lots of little things in the USB core, and in
  lots of drivers.  Hopefully the USB power management will be work
  better now that it has been reworked to do per-port power control
  dynamically.  There's also a raft of gadget driver updates and fixes,
  CONFIG_USB_DEBUG is finally gone now that everything has been
  converted over to the dynamic debug inteface, the last hold-out
  drivers were cleaned up and the config option removed.  There were
  also other minor things all through the drivers/usb/ tree, the
  shortlog shows this pretty well.

  All have been in linux-next, including the very last patch, which came
  from linux-next to fix a build issue on some platforms"

* tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits)
  usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y
  USB: orinoco_usb: remove CONFIG_USB_DEBUG support
  USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support
  USB: media: streamzap: remove CONFIG_USB_DEBUG
  USB: media: redrat3: remove CONFIG_USB_DEBUG usage
  USB: media: redrat3: remove unneeded tracing macro
  usb: qcserial: add additional Sierra Wireless QMI devices
  usb: host: max3421-hcd: Use module_spi_driver
  usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
  usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning
  usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()
  usb: qcserial: add Netgear AirCard 341U
  Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2
  usb: host: xhci-plat: add xhci_plat_start()
  usb: host: max3421-hcd: Fix potential NULL urb dereference
  Revert "usb: gadget: net2280: Add support for PLX USB338X"
  USB: usbip: remove CONFIG_USB_DEBUG reference
  USB: remove CONFIG_USB_DEBUG from defconfig files
  usb: resume child device when port is powered on
  usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y
  ...
Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2 2014-05-28T20:27:33+00:00 Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com 2014-05-28T11:23:26+00:00 c7c1ce8061c0dc5b848e5df0ba459dbbf78057d7 This commit extends the compatible string list of the xhci-platform binding with the new "renesas,xhci-r8a7790" and "renesas,xhci-r8a7791" compatible strings. It is used to describe the xHCI controller which is available in the R-Car H2 and M2 SoCs. Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This commit extends the compatible string list of the xhci-platform
binding with the new "renesas,xhci-r8a7790" and "renesas,xhci-r8a7791"
compatible strings. It is used to describe the xHCI controller which
is available in the R-Car H2 and M2 SoCs.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt: bindings: dwc2: fix required value for the phy-names property 2014-05-28T16:17:05+00:00 Matt Porter mporter@linaro.org 2014-04-24T17:12:56+00:00 9d4bde5fab13615a619ae74deb1a159c68506780 "7408484 usb: gadget: s3c-hsotg: enable generic phy support" introduces generic phy support to the dwc2.txt binding and the s3c-hsotg driver which implements support for the binding. The binding documentation incorrectly states that the phy-names property will be "device". The binding example, driver, and one dts user all implement the phy-names property as requiring "usb2-phy". Fix the dwc2.txt binding documentation to correctly specify "usb2-phy" as the appropriate value for phy-names. Reported-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> 
"7408484 usb: gadget: s3c-hsotg: enable generic phy support" introduces
generic phy support to the dwc2.txt binding and the s3c-hsotg driver
which implements support for the binding. The binding documentation
incorrectly states that the phy-names property will be "device". The
binding example, driver, and one dts user all implement the phy-names
property as requiring "usb2-phy".

Fix the dwc2.txt binding documentation to correctly specify "usb2-phy"
as the appropriate value for phy-names.

Reported-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
usb: usb5303: add support for reference clock specified in device tree 2014-05-27T23:19:04+00:00 Marek Szyprowski m.szyprowski@samsung.com 2014-05-22T11:21:38+00:00 657d898a9320a7cdb9b94565d75ecf75c25cbf0a USB3503 chip supports 8 values of reference clock. The value is specified by REF_SEL[1:0] pins and INT_N line. This patch add support for getting 'refclk' clock, enabling it and setting INT_N line according to the value of the gathered clock. If no clock has been specified, driver defaults to the old behaviour (assuming that clock has been specified by REF_SEL pins from primary reference clock frequencies table). Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
USB3503 chip supports 8 values of reference clock. The value is
specified by REF_SEL[1:0] pins and INT_N line. This patch add support
for getting 'refclk' clock, enabling it and setting INT_N line according
to the value of the gathered clock. If no clock has been specified,
driver defaults to the old behaviour (assuming that clock has been
specified by REF_SEL pins from primary reference clock frequencies
table).

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: ehci-platform: add optional reset controller retrieval 2014-05-27T22:53:01+00:00 Boris BREZILLON boris.brezillon@free-electrons.com 2014-05-13T15:44:19+00:00 2d87bbd634b0fe5aa2285fd2a095867158fb2cc3 On the Allwinner's A31 SoC the reset line connected to the EHCI IP has to be deasserted for the EHCI block to be usable. Add support for an optional reset controller that will be deasserted on power off and asserted on power on. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
On the Allwinner's A31 SoC the reset line connected to the EHCI IP has to
be deasserted for the EHCI block to be usable.

Add support for an optional reset controller that will be deasserted on
power off and asserted on power on.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: ohci-platform: Enable optional use of reset controller 2014-05-27T22:53:00+00:00 Maxime Ripard maxime.ripard@free-electrons.com 2014-05-13T15:44:20+00:00 4615f3bd089fc4c549ed90e14982b360779feb50 The OHCI controllers used in the Allwinner A31 are asserted in reset using a global reset controller. Add optional support for such a controller in the OHCI platform driver. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The OHCI controllers used in the Allwinner A31 are asserted in reset using a
global reset controller.

Add optional support for such a controller in the OHCI platform driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation: dt-bindings: update xhci-platform DT binding 2014-05-27T22:40:40+00:00 Gregory CLEMENT gregory.clement@free-electrons.com 2014-05-15T10:17:34+00:00 023bfe83e278dca17abc491f8e1182211edb0559 This commit extends the compatible string list of the xhci-platform binding with the new "armada-375-xhci" and "armada-380-xhci" compatible strings. It is used to describe the XHCI controller which is available in the Armada 375 and 38x SoCs. It also indicates that an optional 'clocks' property is now supported. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This commit extends the compatible string list of the xhci-platform
binding with the new "armada-375-xhci" and "armada-380-xhci"
compatible strings. It is used to describe the XHCI controller which
is available in the Armada 375 and 38x SoCs.

It also indicates that an optional 'clocks' property is now supported.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation: dt-bindings: update ehci-orion binding documentation 2014-05-27T22:33:12+00:00 Thomas Petazzoni thomas.petazzoni@free-electrons.com 2014-05-15T10:17:30+00:00 03398cfbfc4c2d473e03b0fb9438b3d84f31e713 This commit updates the Device Tree binding documentation of ehci-orion to take into account the fact that we can now optionally pass a clock and a PHY reference. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This commit updates the Device Tree binding documentation of
ehci-orion to take into account the fact that we can now optionally
pass a clock and a PHY reference.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: ehci-exynos: Change to use phy provided by the generic phy framework 2014-05-27T21:50:20+00:00 Kamil Debski k.debski@samsung.com 2014-05-05T05:02:28+00:00 1c17675d6c733232f10afceec0bcd016ad3849f0 Add the phy provider, supplied by new Exynos-usb2phy using Generic phy framework. Keeping the support for older USB phy intact right now, in order to prevent any functionality break in absence of relevant device tree side change for ehci-exynos. Once we move to new phy in the device nodes for ehci, we can remove the support for older phys. Signed-off-by: Kamil Debski <k.debski@samsung.com> [gautam.vivek@samsung.com: Addressed review comments from mailing list] [gautam.vivek@samsung.com: Kept the code for old usb-phy, and just added support for new exynos5-usb2phy in generic phy framework] [gautam.vivek@samsung.com: Edited the commit message] Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> Cc: Jingoo Han <jg1.han@samsung.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add the phy provider, supplied by new Exynos-usb2phy using
Generic phy framework.
Keeping the support for older USB phy intact right now, in order
to prevent any functionality break in absence of relevant
device tree side change for ehci-exynos.
Once we move to new phy in the device nodes for ehci, we can
remove the support for older phys.

Signed-off-by: Kamil Debski <k.debski@samsung.com>
[gautam.vivek@samsung.com: Addressed review comments from mailing list]
[gautam.vivek@samsung.com: Kept the code for old usb-phy, and just
added support for new exynos5-usb2phy in generic phy framework]
[gautam.vivek@samsung.com: Edited the commit message]
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>