Commit graph

2287 commits

Author SHA1 Message Date
Andrew Morton
bbccb9c7bb drivers/pinctrl/intel/pinctrl-baytrail.c: fix build with gcc-4.4
gcc-4.4 and thereabouts has issues with initializers of anonymous
unions, and it generates the following warnings:

  drivers/pinctrl/intel/pinctrl-baytrail.c:413: error: unknown field 'simple_funcs' specified in initializer
  drivers/pinctrl/intel/pinctrl-baytrail.c:413: warning: missing braces around initializer
  drivers/pinctrl/intel/pinctrl-baytrail.c:413: warning: (near initialization for 'byt_score_groups[0].<anonymous>')
  drivers/pinctrl/intel/pinctrl-baytrail.c:415: error: unknown field 'simple_funcs' specified in initializer
  drivers/pinctrl/intel/pinctrl-baytrail.c:417: error: unknown field 'simple_funcs' specified in initializer
  ...

Work around this.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-26 15:35:44 -07:00
Linus Torvalds
a37571a29e Pin control bulk changes for the v4.7 kernel cycle:
Core changes:
 
 - Add the devm_pinctrl_register() API and switch all applicable drivers
   to use it, saving lots of lines of code all over the place.
 
 New drivers:
 
 - New driver for the Broadcom NS2 SoC.
 
 - New subdriver for the PXA25x SoCs.
 
 - New subdriver for the AMLogic Meson GXBB SoC.
 
 Driver improvements:
 
 - The Intel Baytrail driver now properly supports pin control.
 
 - The Nomadik, Rockchip, Broadcom BCM2835 supports the .get_direction() callback in
   the GPIO portions.
 
 - Continued development and stabilization of several SH-PFC
   SoC subdrivers: r8a7795, r8a7790, r8a7794 etc.
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Merge tag 'pinctrl-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This kernel cycle was quite calm when it comes to pin control and
  there is really just one major change, and that is the introduction of
  devm_pinctrl_register() managed resources.

  Apart from that linear development, details below.

  Core changes:

   - Add the devm_pinctrl_register() API and switch all applicable
     drivers to use it, saving lots of lines of code all over the place.

  New drivers:

   - driver for the Broadcom NS2 SoC

   - subdriver for the PXA25x SoCs

   - subdriver for the AMLogic Meson GXBB SoC

  Driver improvements:

   - the Intel Baytrail driver now properly supports pin control

   - Nomadik, Rockchip, Broadcom BCM2835 support the .get_direction()
     callback in the GPIO portions

   - continued development and stabilization of several SH-PFC SoC
     subdrivers: r8a7795, r8a7790, r8a7794 etc"

* tag 'pinctrl-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (85 commits)
  Revert "pinctrl: tegra: avoid parked_reg and parked_bank"
  pinctrl: meson: Fix eth_tx_en bit index
  pinctrl: tegra: avoid parked_reg and parked_bank
  pinctrl: tegra: Correctly check the supported configuration
  pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC
  pinctrl: rockchip: fix pull setting error for rk3399
  pinctrl: stm32: Implement .pin_config_dbg_show()
  pinctrl: nomadik: hide nmk_gpio_get_mode when unused
  pinctrl: ns2: rename pinctrl_utils_dt_free_map
  pinctrl: at91: Merge clk_prepare and clk_enable into clk_prepare_enable
  pinctrl: at91: Make at91_gpio_template const
  pinctrl: baytrail: fix some error handling in debugfs
  pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC
  pinctrl: sirf/atlas7: trivial fix of spelling mistake on flagged
  pinctrl: sh-pfc: Kill unused variable in sh_pfc_remove()
  pinctrl: nomadik: implement .get_direction()
  pinctrl: nomadik: use BIT() with offsets consequently
  pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
  pinctrl: zynq: Use devm_pinctrl_register() for pinctrl registration
  pinctrl: u300: Use devm_pinctrl_register() for pinctrl registration
  ...
2016-05-19 12:50:56 -07:00
Linus Torvalds
4a5219edcd ARM: SoC driver updates for v4.7
Driver updates for ARM SoCs, these contain various things that touch
 the drivers/ directory but got merged through arm-soc for practical
 reasons. For the most part, this is now related to power management
 controllers, which have not yet been abstracted into a separate
 subsystem, and typically require some code in drivers/soc or arch/arm
 to control the power domains.
 
 Another large chunk here is a rework of the NVIDIA Tegra USB3.0
 support, which was surprisingly tricky and took a long time to
 get done.
 
 Finally, reset controller handling as always gets merged through here
 as well.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, these contain various things that touch
  the drivers/ directory but got merged through arm-soc for practical
  reasons.

  For the most part, this is now related to power management
  controllers, which have not yet been abstracted into a separate
  subsystem, and typically require some code in drivers/soc or arch/arm
  to control the power domains.

  Another large chunk here is a rework of the NVIDIA Tegra USB3.0
  support, which was surprisingly tricky and took a long time to get
  done.

  Finally, reset controller handling as always gets merged through here
  as well"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  arm-ccn: Enable building as module
  soc/tegra: pmc: Add generic PM domain support
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
  drivers: firmware: psci: make two helper functions inline
  soc: renesas: rcar-sysc: Add support for R-Car H3 power areas
  soc: renesas: rcar-sysc: Add support for R-Car E2 power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas
  soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas
  soc: renesas: rcar-sysc: Add support for R-Car H2 power areas
  ...
2016-05-18 13:14:02 -07:00
Linus Torvalds
1eccc6e152 This is the bulk of GPIO changes for kernel cycle v4.7:
Core infrastructural changes:
 
 - Support for natively single-ended GPIO driver stages. This
   means that if the hardware has registers to configure open
   drain or open source configuration, we use that rather than
   (as we did before) try to emulate it by switching the line
   to an input to get high impedance. This is also documented
   throughly in Documentation/gpio/driver.txt for those of you
   who did not understand one word of what I just wrote.
 
 - Start to do away with the unnecessarily complex and
   unitelligible ARCH_REQUIRE_GPIOLIB and
   ARCH_WANT_OPTIONAL_GPIOLIB, another evolutional artifact from
   the time when the GPIO subsystem was unmaintained. Archs can
   now just select GPIOLIB and be done with it, cleanups to
   arches will trickle in for the next kernel. Some minor archs
   ACKed the changes immediately so these are included in this
   pull request.
 
 - Advancing the use of the data pointer inside the GPIO device
   for storing driver data by switching the PowerPC, Super-H
   Unicore and a few other subarches or subsystem drivers in
   ALSA SoC, Input, serial, SSB, staging etc to use it.
 
 - The initialization now reads the input/output state of the
   GPIO lines, so that each GPIO descriptor knows - if this
   callback is implemented - whether the line is input or
   output. This also reflects nicely in userspace "lsgpio".
 
 - It is now possible to name GPIO producer names, line names,
   from the device tree. (Platform data has been supported for
   a while.) I bet we will get a similar mechanism for ACPI
   one of those days. This makes is possible to get sensible
   producer names for e.g. GPIO rails in "lsgpio" in userspace.
 
 New drivers:
 
 - New driver for the Loongson1.
 
 - The XLP driver now supports Broadcom Vulcan ARM64.
 
 - The IT87 driver now supports IT8620 and IT8628.
 
 - The PCA953X driver now supports Galileo Gen2.
 
 Driver improvements:
 
 - MCP23S08 was switched to use the gpiolib irqchip helpers and
   now also suppors level-triggered interrupts.
 
 - 74x164 and RCAR now supports the .set_multiple() callback
 
 - AMDPT was converted to use generic GPIO.
 
 - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
   support the new single ended callback for open drain
   and in some cases open source.
 
 - Implement the .get_direction() callback for a few more drivers
   like PL061, Xgene.
 
 Cleanups:
 
 - Paul Gortmaker combed through the drivers and de-modularized
   those who are not really modules.
 
 - Move the GPIO poweroff DT bindings to the power subdir where
   they belong.
 
 - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
   point. That's what it is handling, nothing more, nothing less.
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Merge tag 'gpio-v4.7-1' 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 kernel cycle v4.7:

  Core infrastructural changes:

   - Support for natively single-ended GPIO driver stages.

     This means that if the hardware has registers to configure open
     drain or open source configuration, we use that rather than (as we
     did before) try to emulate it by switching the line to an input to
     get high impedance.

     This is also documented throughly in Documentation/gpio/driver.txt
     for those of you who did not understand one word of what I just
     wrote.

   - Start to do away with the unnecessarily complex and unitelligible
     ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB, another
     evolutional artifact from the time when the GPIO subsystem was
     unmaintained.

     Archs can now just select GPIOLIB and be done with it, cleanups to
     arches will trickle in for the next kernel.  Some minor archs ACKed
     the changes immediately so these are included in this pull request.

   - Advancing the use of the data pointer inside the GPIO device for
     storing driver data by switching the PowerPC, Super-H Unicore and
     a few other subarches or subsystem drivers in ALSA SoC, Input,
     serial, SSB, staging etc to use it.

   - The initialization now reads the input/output state of the GPIO
     lines, so that each GPIO descriptor knows - if this callback is
     implemented - whether the line is input or output.  This also
     reflects nicely in userspace "lsgpio".

   - It is now possible to name GPIO producer names, line names, from
     the device tree.  (Platform data has been supported for a while).
     I bet we will get a similar mechanism for ACPI one of those days.
     This makes is possible to get sensible producer names for e.g.
     GPIO rails in "lsgpio" in userspace.

  New drivers:

   - New driver for the Loongson1.

   - The XLP driver now supports Broadcom Vulcan ARM64.

   - The IT87 driver now supports IT8620 and IT8628.

   - The PCA953X driver now supports Galileo Gen2.

  Driver improvements:

   - MCP23S08 was switched to use the gpiolib irqchip helpers and now
     also suppors level-triggered interrupts.

   - 74x164 and RCAR now supports the .set_multiple() callback

   - AMDPT was converted to use generic GPIO.

   - TC3589x, TPS65218, SX150X, F7188X, MENZ127, VX855, WM831X, WM8994
     support the new single ended callback for open drain and in some
     cases open source.

   - Implement the .get_direction() callback for a few more drivers like
     PL061, Xgene.

  Cleanups:

   - Paul Gortmaker combed through the drivers and de-modularized those
     who are not really modules.

   - Move the GPIO poweroff DT bindings to the power subdir where they
     belong.

   - Rename gpio-generic.c to gpio-mmio.c, which is much more to the
     point.  That's what it is handling, nothing more, nothing less"

* tag 'gpio-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (126 commits)
  MIPS: do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
  gpio: zevio: make it explicitly non-modular
  gpio: timberdale: make it explicitly non-modular
  gpio: stmpe: make it explicitly non-modular
  gpio: sodaville: make it explicitly non-modular
  pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error
  gpio: dwapb: Add ACPI device ID for DWAPB GPIO controller on X-Gene platforms
  gpio: dt-bindings: add wd,mbl-gpio bindings
  gpio: of: make it possible to name GPIO lines
  gpio: make gpiod_to_irq() return negative for NO_IRQ
  gpio: xgene: implement .get_direction()
  gpio: xgene: Enable ACPI support for X-Gene GFC GPIO driver
  gpio: tegra: Implement gpio_get_direction callback
  gpio: set up initial state from .get_direction()
  gpio: rename gpio-generic.c into gpio-mmio.c
  gpio: generic: fix GPIO_GENERIC_PLATFORM is set to module case
  gpio: dwapb: add gpio-signaled acpi event support
  gpio: dwapb: convert device node to fwnode
  gpio: dwapb: remove name from dwapb_port_property
  gpio/qoriq: select IRQ_DOMAIN
  ...
2016-05-17 17:39:42 -07:00
Linus Torvalds
16bf834805 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (21 commits)
  gitignore: fix wording
  mfd: ab8500-debugfs: fix "between" in printk
  memstick: trivial fix of spelling mistake on management
  cpupowerutils: bench: fix "average"
  treewide: Fix typos in printk
  IB/mlx4: printk fix
  pinctrl: sirf/atlas7: fix printk spelling
  serial: mctrl_gpio: Grammar s/lines GPIOs/line GPIOs/, /sets/set/
  w1: comment spelling s/minmum/minimum/
  Blackfin: comment spelling s/divsor/divisor/
  metag: Fix misspellings in comments.
  ia64: Fix misspellings in comments.
  hexagon: Fix misspellings in comments.
  tools/perf: Fix misspellings in comments.
  cris: Fix misspellings in comments.
  c6x: Fix misspellings in comments.
  blackfin: Fix misspelling of 'register' in comment.
  avr32: Fix misspelling of 'definitions' in comment.
  treewide: Fix typos in printk
  Doc: treewide : Fix typos in DocBook/filesystem.xml
  ...
2016-05-17 17:05:30 -07:00
Linus Walleij
0d5358330c Revert "pinctrl: tegra: avoid parked_reg and parked_bank"
This reverts commit 1d18a3f0f0.
2016-05-13 02:45:04 +02:00
Alexander Müller
d6d5c12535 pinctrl: meson: Fix eth_tx_en bit index
Fix pinctrl eth_tx_en bit index according to Hardkernel ODROID-C1 datasheet.

Signed-off-by: Alexander Müller <serveralex@gmail.com>
Acked-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 14:18:10 +02:00
Geert Uytterhoeven
9697643ff3 pinctrl: sh-pfc: Let gpio_chip.to_irq() return zero on error
Currrently the gpio_chip.to_irq() callback returns -ENOSYS on error,
which causes bad interactions with the serial_mctrl_gpio helpers.

mctrl_gpio_init() returns -ENOSYS if GPIOLIB is not enabled, which is
intended to be ignored by its callers. However, ignoring -ENOSYS when it
was caused by a gpiod_to_irq() failure will lead to a crash later:

    Unable to handle kernel paging request at virtual address ffffffde
    ...
    PC is at mctrl_gpio_set+0x14/0x78

Fix this by returning zero instead, like gpiochip_to_irq() does.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 13:28:48 +02:00
Laxman Dewangan
1d18a3f0f0 pinctrl: tegra: avoid parked_reg and parked_bank
NVIDIA's Tegra210 support the park bit to make pinmux configuration
enable/disable. If parked bit is 1 then configuration does not apply
and if it is 0 then pinmux configuration applies. This is to support
to avoid any glitch in pinmux configurations.

The parked bit is part of mux register and mux bank and hence it is
not required to have member for the parked_reg and parked bank very
similar to other bit field of the same register.

Remove the need of the parked register and parked bank and get whether
parked function supported or not by parked_bit.

This is to make the parked bit handling same as other fields of mux
registers.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 13:26:30 +02:00
Laxman Dewangan
b22ef2a097 pinctrl: tegra: Correctly check the supported configuration
The pincontrol registers of Tegra chips has multiple filed per
registers. There is two type of registers mux and drive. All
configurations belongs to one of these registers.

If any configurations are supported then <config>_bit is set to
bit position of these registers otherwise -1 to not support it.
The member is defined as
	s32 <config>_bit:6;

So if config is not supported ifor given SoC then it is set to -1
in soc pinmmux table.
In common driver code, to find out that given config is supported
or not, it is checked as:

s8 bit = <config>_bit;
if (bit > 31) {
	/* Not supported config */
}

But in this case, bit is s8 and hence for non supporting it is -1.

Correct the check as:
if (bit < 0) {
	/* Not supported config */
}

Fixes: e4c02dced9 ("pinctrl: tegra: use signed bitfields for optional fields")
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 11:22:57 +02:00
Carlo Caione
468c234f9e pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC
This patch adds the basic platform file to support the pin controller
found on the Amlogic Meson GXBB SoCs.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 10:47:11 +02:00
David Wu
3ba6767a56 pinctrl: rockchip: fix pull setting error for rk3399
This patch fixes the pinctrl pull bias setting, since the pull up/down
setting is the contrary for gpio0(just the gpio0a and gpio0b) and
gpio2(just the gpio2c and gpio2d).

From the TRM said, the gpio0a pull polarity setting:
gpio0a_p
GPIO0A PE/PS programmation section, every
GPIO bit corresponding to 2bits[PS:PE]
2'b00: Z(Normal operation);
2'b11: weak 1(pull-up);
2'b01: weak 0(pull-down);
2'b10: Z(Normal operation);

Then, the other gpios setting as the following:
gpio1a_p (e.g.: gpio1, gpio2a, gpio2b, gpio3...)
GPIO1A PU/PD programmation section, every
GPIO bit corresponding to 2bits
2'b00: Z(Normal operation);
2'b01: weak 1(pull-up);
2'b10: weak 0(pull-down);
2'b11: Z(Normal operation);

For example,(rk3399evb board)
sdmmc_cd --->gpio0_a7
localhost / # io -r -4 0xff320040
ff320040: 00004d5f
In general,the value should be 0x0000cd5f since the pin has been set
in the dts.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Cc: linux-gpio@vger.kernel.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-11 10:43:21 +02:00
Patrice Chotard
3beed93c16 pinctrl: stm32: Implement .pin_config_dbg_show()
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-10 13:48:26 +02:00
Arnd Bergmann
4ace926172 phy: tegra: Changes for v4.7-rc1
This set of patches adds support for the Tegra XUSB pad controller. The
 controller provides a set of pads (lanes) that are used for I/O by other
 IP blocks within Tegra SoCs (PCIe, SATA and XUSB).
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Merge tag 'tegra-for-4.7-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "phy: tegra: Changes for v4.7-rc1" from Thierry Reding:

This set of patches adds support for the Tegra XUSB pad controller. The
controller provides a set of pads (lanes) that are used for I/O by other
IP blocks within Tegra SoCs (PCIe, SATA and XUSB).

* tag 'tegra-for-4.7-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
2016-05-09 16:18:37 +02:00
Arnd Bergmann
caee57ec71 pinctrl: nomadik: hide nmk_gpio_get_mode when unused
nmk_gpio_get_mode is only used in one place, and that is conditionally
compiled if DEBUG_FS is enabled. A recent cleanup has marked the
definition 'static', which now leads to a warning:

drivers/pinctrl/nomadik/pinctrl-nomadik.c:614:12: error: 'nmk_gpio_get_mode' defined but not used [-Werror=unused-function]
 static int nmk_gpio_get_mode(struct nmk_gpio_chip *nmk_chip, int offset)
            ^~~~~~~~~~~~~~~~~

Moving the function itself inside the #ifdef shuts it up again.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 5e81e0a091 ("pinctrl: nomadik: use BIT() with offsets consequently")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-09 11:58:57 +02:00
Arnd Bergmann
9d814d410d pinctrl: ns2: rename pinctrl_utils_dt_free_map
A conflict of two patches caused a build error when a function got renamed
but a new user appeared in the other patch:

drivers/pinctrl/bcm/pinctrl-ns2-mux.c:540:17: error: 'pinctrl_utils_dt_free_map' undeclared here (not in a function)
  .dt_free_map = pinctrl_utils_dt_free_map,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~

This renames the new user of pinctrl_utils_dt_free_map accordingly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: d32f7fd3bb ("pinctrl: Rename pinctrl_utils_dt_free_map to pinctrl_utils_free_map")
Fixes: b5aa1006e4 ("pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-09 11:42:37 +02:00
Alexander Stein
7d3a3fe648 pinctrl: at91: Merge clk_prepare and clk_enable into clk_prepare_enable
This simplifies the normal as well as the error path.

Signed-off-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-02 13:53:07 +02:00
Alexander Stein
234b6513fc pinctrl: at91: Make at91_gpio_template const
This template is only assigned, so make it const.

Signed-off-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-02 13:52:04 +02:00
Linus Walleij
2bd0717721 pinctrl: sh-pfc: Updates for v4.7 (take two)
- Support for the Display Unit on R-Car E2.
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Merge tag 'sh-pfc-for-v4.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: sh-pfc: Updates for v4.7 (take two)

  - Support for the Display Unit on R-Car E2.
2016-05-02 13:50:47 +02:00
Dan Carpenter
22bbd21b81 pinctrl: baytrail: fix some error handling in debugfs
We need to unlock before continuing.  Also the continue was accidentally
left out on one error path which would lead to a NULL dereference.

Fixes: 86e3ef812f ('pinctrl: baytrail: Update gpio chip operations')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-30 13:34:53 +02:00
Yendapally Reddy Dhananjaya Reddy
b5aa1006e4 pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC
This adds the initial support of the Broadcom NS2 pinmux driver

Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-30 13:10:21 +02:00
Thierry Reding
53d2a715c2 phy: Add Tegra XUSB pad controller support
Add a new driver for the XUSB pad controller found on NVIDIA Tegra SoCs.
This hardware block used to be exposed as a pin controller, but it turns
out that this isn't a good fit. The new driver and DT binding much more
accurately describe the hardware and are more flexible in supporting new
SoC generations.

Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:44:47 +02:00
Colin Ian King
df408e9cd0 pinctrl: sirf/atlas7: trivial fix of spelling mistake on flagged
fix spelling mistake, flaged -> flagged

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-29 11:30:35 +02:00
Ludovic Desroches
5305a7b7e8 pinctrl: at91-pio4: fix pull-up/down logic
The default configuration of a pin is often with a value in the
pull-up/down field at chip reset. So, even if the internal logic of the
controller prevents writing a configuration with pull-up and pull-down at
the same time, we must ensure explicitly this condition before writing the
register.

This was leading to a pull-down condition not taken into account for
instance.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Fixes: 776180848b ("pinctrl: introduce driver for Atmel PIO4 controller")
Cc: stable@vger.kernel.org #v4.4 and later
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-29 11:16:19 +02:00
Geert Uytterhoeven
1acd010152 pinctrl: sh-pfc: Kill unused variable in sh_pfc_remove()
If CONFIG_PINCTRL_SH_PFC_GPIO=n:

    drivers/pinctrl/sh-pfc/core.c: In function 'sh_pfc_remove':
    drivers/pinctrl/sh-pfc/core.c:649:17: warning: unused variable 'pfc' [-Wunused-variable]

Fixes: 67ec8d7b48 ("pinctrl: ish-pfc: Use devm_pinctrl_register() for pinctrl registration")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-29 11:09:16 +02:00
Linus Walleij
67668a57b3 pinctrl: nomadik: implement .get_direction()
This makes the Nomadik gpiochip support the .get_direction()
callback.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-28 14:34:51 +02:00
Linus Walleij
5e81e0a091 pinctrl: nomadik: use BIT() with offsets consequently
This driver is confusing in referencing/dereferencing the global
GPIO number scope in some places and using local offsets in other
places. Remove some of the confusion by removing local "bit" and
"bitmask" definitions and just use BIT(offset) directly. Also
unexport a function only used in this file.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-28 14:34:41 +02:00
Colin Ian King
5e0ec14e2f pinctrl: sirf/atlas7: fix printk spelling
fix spelling mistake, flaged -> flagged

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-28 10:47:50 +02:00
Andrew Jeffery
71324fdc72 pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
The range is registered into a linked list which can be referenced
throughout the lifetime of the driver. Ensure the range's memory is useful
for the same lifetime by adding it to the driver's private data structure.

The bug was introduced in the driver's initial commit, which was present in
v3.10.

Fixes: f0b9a7e521 ("pinctrl: exynos5440: add pinctrl driver for Samsung EXYNOS5440 SoC")
Cc: stable@vger.kernel.org
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-26 15:52:46 +02:00
Laxman Dewangan
3024f920eb pinctrl: zynq: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Sören Brinkmann <soren.brinkmann@xilinx.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:27 +02:00
Laxman Dewangan
6ac47fd25a pinctrl: u300: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:26 +02:00
Laxman Dewangan
265559f7ca pinctrl: tz1090 Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:26 +02:00
Laxman Dewangan
00b881b07d pinctrl: tz1090-pdc: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:26 +02:00
Laxman Dewangan
c3a6d9e0a3 pinctrl: tb10x: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:25 +02:00
Laxman Dewangan
e8e2cb234f pinctrl: st: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: kernel@stlinux.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:25 +02:00
Laxman Dewangan
0085a2b47b pinctrl: rockchip: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:24 +02:00
Laxman Dewangan
082ec90637 pinctrl: pistachio: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:24 +02:00
Laxman Dewangan
a0f16cc30e pinctrl: pic32: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Joshua Henderson <joshua.henderson@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:24 +02:00
Laxman Dewangan
5039d27203 pinctrl: palmas: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:23 +02:00
Laxman Dewangan
19ba900bd2 pinctrl: lpc18xx: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Joachim Eastwood <manabian@gmail.com>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:23 +02:00
Laxman Dewangan
280132d198 pinctrl: lantiq: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:23 +02:00
Laxman Dewangan
8f91ed4780 pinctrl: digicolor: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:22 +02:00
Laxman Dewangan
5c67425a46 pinctrl: at91: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and remove
the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:22 +02:00
Laxman Dewangan
5d3fc884b2 pinctrl: at91-pio4: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:22 +02:00
Laxman Dewangan
4d106c2282 pinctrl: as3722: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:21 +02:00
Laxman Dewangan
251e22abde pinctrl: amd: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:21 +02:00
Laxman Dewangan
12ba40821a pinctrl: adi2: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and remove
the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:20 +02:00
Laxman Dewangan
f3abcb66b5 pinctrl: vt8500: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
the error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Hongzhou Yang <hongzhou.yang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 09:23:20 +02:00
Laxman Dewangan
1ac471edd9 pinctrl: uniphier: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and remove
need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 00:03:35 +02:00
Laxman Dewangan
e46e3ef3d7 pinctrl: tegra-xusb: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and clean
the error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 00:03:32 +02:00