Pull ARM SoC driver updates from Olof Johansson:
"These are changes for drivers that are intimately tied to some SoC and
for some reason could not get merged through the respective subsystem
maintainer tree.
This time around, much of this is for at91, with the bulk of it being
syscon and udc drivers.
Also, there's:
- coupled cpuidle support for Samsung Exynos4210
- Renesas 73A0 common-clk work
- of/platform changes to tear down DMA mappings on device destruction
- a few updates to the TI Keystone knav code"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
cpuidle: exynos: add coupled cpuidle support for exynos4210
ARM: EXYNOS: apply S5P_CENTRAL_SEQ_OPTION fix only when necessary
soc: ti: knav_qmss_queue: change knav_range_setup_acc_irq to static
soc: ti: knav_qmss_queue: makefile tweak to build as dynamic module
pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORM
soc: ti: knav_qmss_queue: export API calls for use by user driver
of/platform: teardown DMA mappings on device destruction
usb: gadget: at91_udc: Allocate udc instance
usb: gadget: at91_udc: Update DT binding documentation
usb: gadget: at91_udc: Rework for multi-platform kernel support
usb: gadget: at91_udc: Simplify probe and remove functions
usb: gadget: at91_udc: Remove non-DT handling code
usb: gadget: at91_udc: Document DT clocks and clock-names property
usb: gadget: at91_udc: Drop uclk clock
usb: gadget: at91_udc: Fix clock names
mfd: syscon: Add Atmel SMC binding doc
mfd: syscon: Add atmel-smc registers definition
mfd: syscon: Add Atmel Matrix bus DT binding documentation
mfd: syscon: Add atmel-matrix registers definition
clk: shmobile: fix sparse NULL pointer warning
...
Pull USB patches from Greg KH:
"Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
usb: musb: fix device hotplug behind hub
usb: dwc2: Fix a bug in reading the endpoint directions from reg.
staging: emxx_udc: fix the build error
usb: Retry port status check on resume to work around RH bugs
Revert "usb: Reset USB-3 devices on USB-3 link bounce"
uhci-hub: use HUB_CHAR_*
usb: kconfig: replace PPC_OF with PPC
ehci-pci: disable for Intel MID platforms (update)
usb: gadget: Kconfig: use bool instead of boolean
usb: musb: blackfin: remove incorrect __exit_p()
USB: fix use-after-free bug in usb_hcd_unlink_urb()
ehci-pci: disable for Intel MID platforms
usb: host: pci_quirks: joing string literals
USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
USB: usbfs: allow URBs to be reaped after disconnection
cdc-acm: kill unnecessary messages
cdc-acm: add sanity checks
usb: phy: phy-generic: Fix USB PHY gpio reset
usb: dwc2: fix USB core dependencies
usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
...
Felipe writes:
usb: patches for v3.20 merge window
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Enhance the phy documentation by adding 2 new optional bindings :
- the vbus gpio, which detects usb insertion
- the vbus regulator, which provides current drawn from the usb cable
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
at91sam9rl SoC has an erratum forcing us to toggle the BIAS on USB
suspend/resume events.
This specific handling is only activated when CONFIG_ARCH_AT91SAM9RL is
set and this option is only set when building a non-DT kernel, which is
problematic since non-DT support for at91sam9rl SoC has been removed.
Rework the toggle_bias implementation to attach it to the "at91sam9rl-udc"
compatible string.
Add new compatible strings to avoid executing at91sam9rl erratum handling
on other SoCs.
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since bd27fa44e1 ("usb: phy: generic: Don't use regulator framework for
RESET line") we no longer model the reset line as a regulator supply, so
adapt the documentation accordingly.
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Felipe writes:
usb: patches for v3.19 merge window
This time, a very pull request with 216 non-merge
commits. Most of the commits contained here are
sparse or coccinelle fixes ranging from missing
'static' to returning 0 in case of errors.
More importantly, we have the removal the now
unnecessary 'driver' argument to ->udc_stop().
DWC2 learned about Dual-Role builds. Users of
this IP can now have a single driver built for
host and device roles.
DWC3 got support for two new HW platforms: Exynos7
and AMD.
The Broadcom USB 3.0 Device Controller IP is now
supported and so is PLX USB338x, which means DWC3
has lost is badge as the only USB 3.0 peripheral
IP supported on Linux.
Thanks for Tony Lindgren's work, we can now have
a distro-like kernel where all MUSB glue layers
can be built into the same kernel (statically
or dynamically linked) and it'll work in PIO (DMA
will come probably on v3.20).
Other than these, the usual set of cleanups and
non-critical fixes.
Signed-off-by: Felipe Balbi <balbi@ti.com>
DWC3 controller on Exynos7 SoC has separate control for
AXI UpScaler which connects DWC3 DRD controller to AXI bus.
Get the gate clock for the same to control it across power
cycles.
Suggested-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
HIRD threshold should be configurable by different platforms.
From DesignWare databook:
When HIRD_Threshold[4] is set to 1b1 and HIRD value is greater than or
equal to the value in HIRD_Threshold[3:0], dwc3 asserts output signals
utmi_l1_suspend_n to put PHY into Deep Low-Power mode in L1.
When HIRD_Threshold[4] is set to 1b0 or the HIRD value is less than
HIRD_Threshold[3:0], dwc3 asserts output signals utmi_sleep_n on L1.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds disable usb2 suspend phy quirk, and some special platforms
can configure that if it is needed.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds disable usb3 suspend phy quirk, and some special platforms
can configure that if it is needed.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds Tx de-emphasis quirk, and the Tx de-emphasis value is
configurable according to PIPE3 specification.
Value Description
0 -6dB de-emphasis
1 -3.5dB de-emphasis
2 No de-emphasis
3 Reserved
It can be configured on DT or platform data.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds RX_DETECT to Polling.LFPS control quirk, and some special
platforms can configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds LFPS filter quirk, and some special platforms can configure
that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds delay PHY power change from P0 to P1/P2/P3 when link state
changing from U0 to U1/U2/U3 respectively, and some special platforms can
configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds delay P0 to P1/P2/P3 quirk for U2/U2/U3, and some special
platforms can configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds request P1/P2/P3 quirk for U2/U2/U3, and some special
platforms can configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds P3 in U2 SS inactive quirk, and some special platforms can
configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds u2exit lfps quirk, and some special platforms can configure
that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When parameter DWC_USB3_LPM_ERRATA_ENABLE is enabled in Andvanced
Configuration of coreConsultant, it supports of xHCI BESL Errata Dated
10/19/2011 is enabled in host mode. In device mode it adds the capability
to send NYET response threshold based on the BESL value received in the LPM
token, and the threhold is configurable for each soc platform.
This patch adds an entry that soc platform is able to define the lpm
capacity with their own device tree or bus glue layer.
[ balbi@ti.com : added devicetree documentation, spelled threshold
completely, made sure threshold is only applied to
proper core revisions. ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds disscramble quirk, and it only needs to be enabled at fpga
board on some vendor platforms.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch documents the device tree bindings required for
the ohci on-chip controller found in ST consumer electronics SoC's.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch documents the device tree bindings required for the
ehci on-chip controller found in ST consumer electronics SoC's.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds Vybrid VF610 SoC support. The IP is very similar to i.MX6,
however, the non-core registers are spread in two different register
areas. Hence we support multiple instances of the USB misc driver
and add the driver instance to the imx_usbmisc_data structure.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
TPL (Targeted Peripheral List) is needed for targets host
(OTG and Embedded Hosts) for usb certification and other
vendor specific requirements.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Felipe writes:
usb: changes for v3.18 merge window
Quite big pull request this time. Audio and UVC gadgets
can now be used with our configfs-based binding. We have
three PHY drivers being removed because a new one has been
added using new PHY framework.
Gadget framework got a new ->reset callback preparing for
some other changes to come on next merge window.
A few new drivers came in as well; among those we have a
new UDC driver from Xilinx and two new glue layers for
DWC3 (ST and Qualcomm).
DWC3 also learned about tracepoints which will help debugging
quite a bit.
Other than that, a big series of non-critical fixes and
cleanups.
All patches have been on linux-next for quite a bit of time
and I boot tested these changes on platforms I have access
to and work with mainline.
Signed-of-by: Felipe Balbi <balbi@ti.com>
QCOM USB3.0 core wrapper consist of USB3.0 IP from Synopsys
(SNPS) and HS, SS PHY's control and configuration registers.
It could operate in device mode (SS, HS, FS) and host
mode (SS, HS, FS, LS).
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch documents the device tree documentation required for
the ST usb3 controller glue layer found in STiH407 devices.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This adds support for the USB PHY in Vybrid VF610. We assume that
the disconnection without VBUS is also needed for Vybrid.
Tests showed, without MXS_PHY_NEED_IP_FIX, enumeration of devices
behind a USB Hub fails with errors:
[ 215.163507] usb usb1-port1: cannot reset (err = -32)
[ 215.170498] usb usb1-port1: cannot reset (err = -32)
[ 215.185120] usb usb1-port1: cannot reset (err = -32)
[ 215.191345] usb usb1-port1: cannot reset (err = -32)
[ 215.202487] usb usb1-port1: cannot reset (err = -32)
[ 215.207718] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 215.219317] usb usb1-port1: unable to enumerate USB device
Hence we also enable the MXS_PHY_NEED_IP_FIX flag.
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When Tegra was converted to use the standard reset bindings, the PHY was
forgotten, probably because all the resetting of the USB blocks were
done in the EHCI driver. What also went unnoticed is that resetting the
1st on-chip USB module also wipes some of the UTMI pad configuration
registers that are also used by the other USB blocks. So this fact needs
to be described in the device tree, and the driver modified not to reset
the 1st module at inappropriate times.
In order to stay compatible with old device trees, the USB drivers will
still function without these properties but with the old,
potentially buggy behaviour.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
