Since we have a generic helper, switch the module to use it.
As a side effect, add check for the memory allocation failures and
cleanup it either in error case or when driver is unloading.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
It's fine to call dev_err_probe() in ->probe() when error code is known.
Convert the driver to use dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Use the devm_platform_ioremap_resource() helper instead of
calling of_address_to_resource() and devm_ioremap_resource()
separately.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Use temporary variable for struct device to make code neater.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Kernel doc validator is not happy:
.../pinctrl-armada-37xx.c:926: warning: expecting prototype for armada_37xx_fill_funcs(). Prototype was for armada_37xx_fill_func() instead
Fix this by updating function name in the kernel doc.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
The PWM pins on North Bridge on Armada 37xx can be configured into PWM
or GPIO functions. When in PWM function, each pin can also be configured
to drive low on 0 and tri-state on 1 (LED mode).
The current definitions handle this by declaring two pin groups for each
pin:
- group "pwmN" with functions "pwm" and "gpio"
- group "ledN_od" ("od" for open drain) with functions "led" and "gpio"
This is semantically incorrect. The correct definition for each pin
should be one group with three functions: "pwm", "led" and "gpio".
Change the "pwmN" groups to support "led" function.
Remove "ledN_od" groups. This cannot break backwards compatibility with
older device trees: no device tree uses it since there is no PWM driver
for this SOC yet. Also "ledN_od" groups are not even documented.
Fixes: b835d69530 ("pinctrl: armada-37xx: swap polarity on LED group")
Signed-off-by: Marek Behún <kabel@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210719112938.27594-1-kabel@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The function name is used for selecting MPP functionality and
should be unique within function names of the same pin.
This patch fixes function names for MPP54 and MPP55 that
have two different functions named the same.
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Link: https://lore.kernel.org/r/20210216113118.17484-3-kostap@marvell.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Remove all empty lines at the end of functions in pinctrl subsystem,
and make the code neat.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Zhaoyu Liu <zackaryliu@yeah.net>
Link: https://lore.kernel.org/r/X98NP6NFK1Afzrgd@manjaro
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Core changes:
- NONE whatsoever, we don't even touch the core files this
time around.
New drivers:
- New driver for the Toshiba Visconti SoC.
- New subdriver for the Qualcomm MSM8226 SoC.
- New subdriver for the Actions Semiconductor S500 SoC.
- New subdriver for the Mediatek MT8192 SoC.
- New subdriver for the Microchip SAMA7G5 SoC.
Driver enhancements:
- Intel Cherryview and Baytrail cleanups and refactorings.
- Enhanced support for the Renesas R8A7790, more pins and
groups.
- Some optimizations for the MCP23S08 MCP23x17 variant.
- Some cleanups around the Actions Semiconductor subdrivers.
- A bunch of cleanups around the SH-PFC and Emma Mobile
drivers.
- The "SH-PFC" (literally SuperH pin function controller, I
think) subdirectory is now renamed to the more neutral
"renesas", as these are not very much centered around
SuperH anymore.
- Non-critical fixes for the Aspeed driver.
- Non-critical fixes for the Ingenic (MIPS!) driver.
- Fix a bunch of missing pins on the AMD pinctrl driver.
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Merge tag 'pinctrl-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Core changes:
- NONE whatsoever, we don't even touch the core files this time
around.
New drivers:
- New driver for the Toshiba Visconti SoC.
- New subdriver for the Qualcomm MSM8226 SoC.
- New subdriver for the Actions Semiconductor S500 SoC.
- New subdriver for the Mediatek MT8192 SoC.
- New subdriver for the Microchip SAMA7G5 SoC.
Driver enhancements:
- Intel Cherryview and Baytrail cleanups and refactorings.
- Enhanced support for the Renesas R8A7790, more pins and groups.
- Some optimizations for the MCP23S08 MCP23x17 variant.
- Some cleanups around the Actions Semiconductor subdrivers.
- A bunch of cleanups around the SH-PFC and Emma Mobile drivers.
- The "SH-PFC" (literally SuperH pin function controller, I think)
subdirectory is now renamed to the more neutral "renesas", as these
are not very much centered around SuperH anymore.
- Non-critical fixes for the Aspeed driver.
- Non-critical fixes for the Ingenic (MIPS!) driver.
- Fix a bunch of missing pins on the AMD pinctrl driver"
* tag 'pinctrl-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (78 commits)
pinctrl: amd: Add missing pins to the pin group list
dt-bindings: pinctrl: sunxi: Allow pinctrl with more interrupt banks
pinctrl: visconti: PINCTRL_TMPV7700 should depend on ARCH_VISCONTI
pinctrl: mediatek: Free eint data on failure
pinctrl: single: fix debug output when #pinctrl-cells = 2
pinctrl: single: fix pinctrl_spec.args_count bounds check
pinctrl: sunrisepoint: Modify COMMUNITY macros to be consistent
pinctrl: cannonlake: Modify COMMUNITY macros to be consistent
pinctrl: tigerlake: Fix register offsets for TGL-H variant
pinctrl: Document pinctrl-single,pins when #pinctrl-cells = 2
pinctrl: mediatek: use devm_platform_ioremap_resource_byname()
pinctrl: nuvoton: npcm7xx: Constify static ops structs
pinctrl: mediatek: mt7622: add antsel pins/groups
pinctrl: ocelot: simplify the return expression of ocelot_gpiochip_register()
pinctrl: at91-pio4: add support for sama7g5 SoC
dt-bindings: pinctrl: at91-pio4: add microchip,sama7g5
pinctrl: spear: simplify the return expression of tvc_connect()
pinctrl: spear: simplify the return expression of spear310_pinctrl_probe
pinctrl: sprd: use module_platform_driver to simplify the code
pinctrl: Ingenic: Add I2S pins support for Ingenic SoCs.
...
Per the datasheet the i2c functions use MPP_Sel=0x1. They are documented
as using MPP_Sel=0x4 as well but mixing 0x1 and 0x4 is clearly wrong. On
the board tested 0x4 resulted in a non-functioning i2c bus so stick with
0x1 which works.
Fixes: d7ae8f8dee ("pinctrl: mvebu: pinctrl driver for 98DX3236 SoC")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20200907211712.9697-2-chris.packham@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Group name 'pcie1' is misleading as it controls only PCIe reset pin. Like
other PCIe groups it should have been called 'pcie1_reset'. But due to
backward compatibility it is not possible to change existing group name.
So just add comment describing this PCIe reset functionality.
Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200724132457.7094-1-pali@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Correct misspellings and provide missing entries.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'start_pin' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'val' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'extra_pin' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'extra_npins' not described in 'armada_37xx_pin_group'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lore.kernel.org/r/20200713144930.1034632-25-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use newly added GPIO defines GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT instead of using hard-coded 1 and 0.
Main benefit is to make it easier to see which values mean IN and which
OUT. As a side effect this helps GPIO framework to change the direction
defines to something else if ever needed.
Please note that return value from get_direction call on
pinctrl-axp209 driver was changed. Previously pinctrl-axp209 might have
returned value 2 for direction INPUT.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Link: https://lore.kernel.org/r/20200214135712.GA14557@localhost.localdomain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
platform_irq_count() and platform_get_irq() is the more generic
way (independent of device trees) to determine the count of available
interrupts. So use this instead.
As platform_irq_count() might return an error code (which
of_irq_count doesn't) some additional handling is necessary.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/1576672860-14420-1-git-send-email-peng.fan@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/1574306382-32516-1-git-send-email-krzk@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As explained in the following commit a9a1a48336 ("pinctrl:
armada-37xx: Fix gpio interrupt setup") the armada_37xx_irq_set_type()
function can be called before the initialization of the mask field.
That means that we can't use this field in this function and need to
workaround it using hwirq.
Fixes: 30ac0d3b07 ("pinctrl: armada-37xx: Add edge both type gpio irq support")
Cc: stable@vger.kernel.org
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20191115155752.2562-1-gregory.clement@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.
For chained irqchips this is a pretty straight-forward
conversion.
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: Marek Behún <marek.behun@nic.cz>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191002121550.16104-1-linus.walleij@linaro.org
The configuration registers for the LED group have inverted
polarity, which puts the GPIO into open-drain state when used in
GPIO mode. Switch to '0' for GPIO and '1' for LED modes.
Fixes: 87466ccd94 ("pinctrl: armada-37xx: Add pin controller support for Armada 37xx")
Signed-off-by: Patrick Williams <alpawi@amazon.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191001155154.99710-1-alpawi@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 37xx configuration registers are only 32 bits long, so
pins 32-35 spill over into the next register. The calculation
for the register address was done, but the bitmask was not, so
any configuration to pin 32 or above resulted in a bitmask that
overflowed and performed no action.
Fix the register / offset calculation to also adjust the offset.
Fixes: 5715092a45 ("pinctrl: armada-37xx: Add gpio support")
Signed-off-by: Patrick Williams <alpawi@amazon.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191001154634.96165-1-alpawi@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
With CP115 standalone modules, all MPP configuration are
possible. Handle this new possibility thanks to the new
"marvell,cp115-standalone-pinctrl" compatible property.
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
[<miquel.raynal@bootlin.com>: mention the new compatible in the
commit log]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20190805101607.29811-4-miquel.raynal@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add missing definition for function 0xe on CP-110 MPP-62.
The pin function is Data Strobe for SDIO interface.
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20190805101607.29811-2-miquel.raynal@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
cycle:
Core changes:
- Device links can optionally be added between a pin control
producer and its consumers. This will affect how the system
power management is handled: a pin controller will not suspend
before all of its consumers have been suspended. This was
necessary for the ST Microelectronics STMFX expander and
need to be tested on other systems as well: it makes sense
to make this default in the long run. Right now it is
opt-in per driver.
- Drive strength can be specified in microamps. With decreases
in silicon technology, milliamps isn't granular enough, let's
make it possible to select drive strengths in microamps. Right
now the Meson (AMlogic) driver needs this.
New drivers:
- New subdriver for the Tegra 194 SoC.
- New subdriver for the Qualcomm SDM845.
- New subdriver for the Qualcomm SM8150.
- New subdriver for the Freescale i.MX8MN (Freescale is now a
product line of NXP).
- New subdriver for Marvell MV98DX1135.
Driver improvements:
- The Bitmain BM1880 driver now supports pin config in
addition to muxing.
- The Qualcomm drivers can now reserve some GPIOs as taken
aside and not usable for users. This is used in ACPI systems
to take out some GPIO lines used by the BIOS so that
noone else (neither kernel nor userspace) will play with them
by mistake and crash the machine.
- A slew of refurbishing around the Aspeed drivers (board
management controllers for servers) in preparation for the
new Aspeed AST2600 SoC.
- A slew of improvements over the SH PFC drivers as usual.
- Misc cleanups and fixes.
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Merge tag 'pinctrl-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.3 kernel cycle:
Core changes:
- Device links can optionally be added between a pin control producer
and its consumers. This will affect how the system power management
is handled: a pin controller will not suspend before all of its
consumers have been suspended.
This was necessary for the ST Microelectronics STMFX expander and
need to be tested on other systems as well: it makes sense to make
this default in the long run.
Right now it is opt-in per driver.
- Drive strength can be specified in microamps. With decreases in
silicon technology, milliamps isn't granular enough, let's make it
possible to select drive strengths in microamps.
Right now the Meson (AMlogic) driver needs this.
New drivers:
- New subdriver for the Tegra 194 SoC.
- New subdriver for the Qualcomm SDM845.
- New subdriver for the Qualcomm SM8150.
- New subdriver for the Freescale i.MX8MN (Freescale is now a product
line of NXP).
- New subdriver for Marvell MV98DX1135.
Driver improvements:
- The Bitmain BM1880 driver now supports pin config in addition to
muxing.
- The Qualcomm drivers can now reserve some GPIOs as taken aside and
not usable for users. This is used in ACPI systems to take out some
GPIO lines used by the BIOS so that noone else (neither kernel nor
userspace) will play with them by mistake and crash the machine.
- A slew of refurbishing around the Aspeed drivers (board management
controllers for servers) in preparation for the new Aspeed AST2600
SoC.
- A slew of improvements over the SH PFC drivers as usual.
- Misc cleanups and fixes"
* tag 'pinctrl-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (106 commits)
pinctrl: aspeed: Strip moved macros and structs from private header
pinctrl: aspeed: Fix missed include
pinctrl: baytrail: Use GENMASK() consistently
pinctrl: baytrail: Re-use data structures from pinctrl-intel.h
pinctrl: baytrail: Use defined macro instead of magic in byt_get_gpio_mux()
pinctrl: qcom: Add SM8150 pinctrl driver
dt-bindings: pinctrl: qcom: Add SM8150 pinctrl binding
dt-bindings: pinctrl: qcom: Document missing gpio nodes
pinctrl: aspeed: Add implementation-related documentation
pinctrl: aspeed: Split out pinmux from general pinctrl
pinctrl: aspeed: Clarify comment about strapping W1C
pinctrl: aspeed: Correct comment that is no longer true
MAINTAINERS: Add entry for ASPEED pinctrl drivers
dt-bindings: pinctrl: aspeed: Convert AST2500 bindings to json-schema
dt-bindings: pinctrl: aspeed: Convert AST2400 bindings to json-schema
dt-bindings: pinctrl: aspeed: Split bindings document in two
pinctrl: qcom: Add irq_enable callback for msm gpio
pinctrl: madera: Fixup SPDX headers
pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard
pinctrl: tegra: Add bitmask support for parked bits
...
The 98DX1135 is a switch chip with an integrated CPU. This is similar to
the 98DX4122 except the MPP assignments differ.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Armada 3700 PCIe IP relies on the pinctrl IP managed by this
driver. For reasons related to the PCI core's organization when
suspending/resuming, PCI host controller drivers must reconfigure
their register at suspend_noirq()/resume_noirq() which happens after
suspend()/suspend_late() and before resume_early()/resume().
In the current state, after resuming from a suspend to RAM cycle the
PCIe IP is reconfigured before the pinctrl one which produces an
interrupt storm. The solution to support PCIe resume operation is to
change the "priority" of this pinctrl driver PM callbacks to
"_noirq()".
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is a cleanup and fix of the patch by Ken Ma <make@marvell.com>.
Fix the mpp definitions according to newest revision of the
specification:
- northbridge:
fix pmic1 gpio number to 7
fix pmic0 gpio number to 6
- southbridge
split pcie1 group bit mask to BIT(5) and BIT(9)
fix ptp group bit mask to BIT(11) | BIT(12) | BIT(13)
add smi group with bit mask BIT(4)
[gregory: split the pcie group in 2, as at hardware level they can be
configured separately]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These drivers are GPIO drivers, and the do not need to use the
legacy header in <linux/gpio.h>, go directly for
<linux/gpio/driver.h> instead.
Replace any use of GPIOF_* with 0/1, these flags are for
consumers, not drivers.
Get rid of a few gpio_to_irq() users that was littering
around the place, use local callbacks or avoid using it at
all.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add suspend/resume hooks in pinctrl driver to handle S2RAM operations.
Beyond the traditional register save/restore operations, these hooks
also keep the GPIOs used for both-edge IRQ synchronized between their
level (low/high) and expected IRQ polarity (falling/rising edge).
Since pinctrl is an infrastructure module, its resume should be issued
prior to other IO drivers. The pinctrl PM operations are requested at
early/late stages for this reason.
Suggested-by: Ken Ma <make@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Until now, if we found spurious irq in irq_handler, we only updated the
status in register but not the status in the code. Due to this the system
will got stuck dues to the infinite loop
[gregory.clement@bootlin.com: update comment and add fix and stable tags]
Fixes: 30ac0d3b07 ("pinctrl: armada-37xx: Add edge both type gpio irq support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Terry Zhou <bjzhou@marvell.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Armada 98dx3236 SoCs don't have a different MPP sel value for nand
specific pins so "dev" was technically correct. But all the other Armada
SoCs use "nand" in their dts and the pin is specific to the nand
interface so use "nand" for the function name.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The "dev" function is selected with the value 0x4 not 0x01.
Fixes: commit d7ae8f8dee ("pinctrl: mvebu: pinctrl driver for 98DX3236 SoC")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The new helper returns index of the matching string in an array.
We are going to use it here.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Core changes:
- After lengthy discussions and partly due to my ignorance, we have
merged a patch making pinctrl_force_default() and pinctrl_force_sleep()
reprogram the states into the hardware of any hogged pins, even
if they are already in the desired state. This only apply to hogged
pins since groups of pins owned by drivers need to be managed by
each driver, lest they could not do things like runtime PM and
put pins to sleeping state even if the system as a whole is not
in sleep.
New drivers:
- New driver for the Microsemi Ocelot SoC. This is used in ethernet
switches.
- The X-Powers AXP209 GPIO driver was extended to also deal with pin
control and moved over from the GPIO subsystem. This circuit is
a mixed-mode integrated circuit which is part of AllWinner designs.
- New subdriver for the Qualcomm MSM8998 SoC, core of a high end
mobile devices (phones) chipset.
- New subdriver for the ST Microelectronics STM32MP157 MPU and
STM32F769 MCU from the STM32 family.
- New subdriver for the MediaTek MT7622 SoC. This is used for routers,
repeater, gateways and such network infrastructure.
- New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC has
multimedia features and target "smart devices", I guess in-car
entertainment, in-flight entertainment, industrial control panels etc.
General improvements:
- Incremental improvements on the SH-PFC subdrivers for things like
the CAN bus.
- Enable the glitch filter on Baytrail GPIOs used for interrupts.
- Proper handling of pins to GPIO ranges on the Semtec SX150X
- An IRQ setup ordering fix on MCP23S08.
- A good set of janitorial coding style fixes.
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Merge tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.16 kernel cycle.
Like with GPIO it is actually a bit calm this time.
Core changes:
- After lengthy discussions and partly due to my ignorance, we have
merged a patch making pinctrl_force_default() and
pinctrl_force_sleep() reprogram the states into the hardware of any
hogged pins, even if they are already in the desired state.
This only apply to hogged pins since groups of pins owned by
drivers need to be managed by each driver, lest they could not do
things like runtime PM and put pins to sleeping state even if the
system as a whole is not in sleep.
New drivers:
- New driver for the Microsemi Ocelot SoC. This is used in ethernet
switches.
- The X-Powers AXP209 GPIO driver was extended to also deal with pin
control and moved over from the GPIO subsystem. This circuit is a
mixed-mode integrated circuit which is part of AllWinner designs.
- New subdriver for the Qualcomm MSM8998 SoC, core of a high end
mobile devices (phones) chipset.
- New subdriver for the ST Microelectronics STM32MP157 MPU and
STM32F769 MCU from the STM32 family.
- New subdriver for the MediaTek MT7622 SoC. This is used for
routers, repeater, gateways and such network infrastructure.
- New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC
has multimedia features and target "smart devices", I guess in-car
entertainment, in-flight entertainment, industrial control panels
etc.
General improvements:
- Incremental improvements on the SH-PFC subdrivers for things like
the CAN bus.
- Enable the glitch filter on Baytrail GPIOs used for interrupts.
- Proper handling of pins to GPIO ranges on the Semtec SX150X
- An IRQ setup ordering fix on MCP23S08.
- A good set of janitorial coding style fixes"
* tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (102 commits)
pinctrl: mcp23s08: fix irq setup order
pinctrl: Forward declare struct device
pinctrl: sunxi: Use of_clk_get_parent_count() instead of open coding
pinctrl: stm32: add STM32F769 MCU support
pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping
pinctrl: sx150x: Register pinctrl before adding the gpiochip
pinctrl: sx150x: Unregister the pinctrl on release
pinctrl: ingenic: Remove redundant dev_err call in ingenic_pinctrl_probe()
pinctrl: sprd: Use seq_putc() in sprd_pinconf_group_dbg_show()
pinctrl: pinmux: Use seq_putc() in pinmux_pins_show()
pinctrl: abx500: Use seq_putc() in abx500_gpio_dbg_show()
pinctrl: mediatek: mt7622: align error handling of mtk_hw_get_value call
pinctrl: mediatek: mt7622: fix potential uninitialized value being returned
pinctrl: uniphier: refactor drive strength get/set functions
pinctrl: imx7ulp: constify struct imx_cfg_params_decode
pinctrl: imx: constify struct imx_pinctrl_soc_info
pinctrl: imx7d: simplify imx7d_pinctrl_probe
pinctrl: imx: use struct imx_pinctrl_soc_info as a const
pinctrl: sunxi-pinctrl: fix pin funtion can not be match correctly.
pinctrl: qcom: Add msm8998 pinctrl driver
...
The data field of an of_device_id structure has type const void *, so
there is no need for a const-discarding cast when putting const values
into such a structure.
Done using Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Omit an extra message for a memory allocation failure in this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The direction_output callback of the gpio_chip structure is supposed to
set the output direction but also to set the value of the gpio. For the
armada-37xx driver this callback acted as the gpio_set_direction callback
for the pinctrl.
This patch fixes the behavior of the direction_output callback by also
applying the value received as parameter.
Cc: stable@vger.kernel.org
Fixes: 5715092a45 ("pinctrl: armada-37xx: Add gpio support")
Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
kernel cycle:
Core:
- The pin control Kconfig entry PINCTRL is now turned into
a menuconfig option. This obviously has the implication of
making the subsystem menu visible in menuconfig. This is
happening because of two things:
- Intel have started to deploy and depend on pin controllers
in a way that is affecting users directly. This happens
on the highly integrated laptop chipsets named after
geographical places: baytrail, broxton, cannonlake,
cedarfork, cherryview, denverton, geminilake, lewisburg,
merrifield, sunrisepoint... It started a while back and
now it is ever more evident that this is crucial
infrastructure for x86 laptops and not an embedded
obscurity anymore. Users need to be aware.
- Pin control expanders on I2C and SPI that are
arch-agnostic. Currently Semtech SX150X and Microchip
MCP28x08 but more are expected. Users will have to be
able to configure these in directly for their set-up.
- Just go and select GPIOLIB now that we made sure that
GPIOLIB is a very vanilla subsystem. Do not depend on
it, if we need it, select it.
- Exposing the pin control subsystem in menuconfig uncovered
a bunch of obscure bugs that are now hopefully fixed,
all more or less pertaining to Blackfin.
- Unified namespace for cross-calls between pin control and
GPIO.
- New support for clock skew/delay generic DT bindings
and generic pin config options for this.
- Minor documentation improvements.
Various:
- The Renesas SH-PFC pin controller has evolved a lot. It seems
Renesas are churning out new SoCs by the minute.
- A bunch of non-critical fixes for the Rockchip driver.
- Improve the use of library functions instead of open coding.
- Support the MCP28018 variant in the MCP28x08 driver.
- Static constifying.
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Merge tag 'pinctrl-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.15 kernel cycle:
Core:
- The pin control Kconfig entry PINCTRL is now turned into a
menuconfig option. This obviously has the implication of making the
subsystem menu visible in menuconfig. This is happening because of
two things:
(a) Intel have started to deploy and depend on pin controllers in
a way that is affecting users directly. This happens on the
highly integrated laptop chipsets named after geographical
places: baytrail, broxton, cannonlake, cedarfork, cherryview,
denverton, geminilake, lewisburg, merrifield, sunrisepoint...
It started a while back and now it is ever more evident that
this is crucial infrastructure for x86 laptops and not an
embedded obscurity anymore. Users need to be aware.
(b) Pin control expanders on I2C and SPI that are arch-agnostic.
Currently Semtech SX150X and Microchip MCP28x08 but more are
expected. Users will have to be able to configure these in
directly for their set-up.
- Just go and select GPIOLIB now that we made sure that GPIOLIB is a
very vanilla subsystem. Do not depend on it, if we need it, select
it.
- Exposing the pin control subsystem in menuconfig uncovered a bunch
of obscure bugs that are now hopefully fixed, all more or less
pertaining to Blackfin.
- Unified namespace for cross-calls between pin control and GPIO.
- New support for clock skew/delay generic DT bindings and generic
pin config options for this.
- Minor documentation improvements.
Various:
- The Renesas SH-PFC pin controller has evolved a lot. It seems
Renesas are churning out new SoCs by the minute.
- A bunch of non-critical fixes for the Rockchip driver.
- Improve the use of library functions instead of open coding.
- Support the MCP28018 variant in the MCP28x08 driver.
- Static constifying"
* tag 'pinctrl-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (91 commits)
pinctrl: gemini: Fix missing pad descriptions
pinctrl: Add some depends on HAS_IOMEM
pinctrl: samsung/s3c24xx: add CONFIG_OF dependency
pinctrl: gemini: Fix GMAC groups
pinctrl: qcom: spmi-gpio: Add pmi8994 gpio support
pinctrl: ti-iodelay: remove redundant unused variable dev
pinctrl: max77620: Use common error handling code in max77620_pinconf_set()
pinctrl: gemini: Implement clock skew/delay config
pinctrl: gemini: Use generic DT parser
pinctrl: Add skew-delay pin config and bindings
pinctrl: armada-37xx: Add edge both type gpio irq support
pinctrl: uniphier: remove eMMC hardware reset pin-mux
pinctrl: rockchip: Add iomux-route switching support for rk3288
pinctrl: intel: Add Intel Cedar Fork PCH pin controller support
pinctrl: intel: Make offset to interrupt status register configurable
pinctrl: sunxi: Enforce the strict mode by default
pinctrl: sunxi: Disable strict mode for old pinctrl drivers
pinctrl: sunxi: Introduce the strict flag
pinctrl: sh-pfc: Save/restore registers for PSCI system suspend
pinctrl: sh-pfc: r8a7796: Use generic IOCTRL register description
...
CORE:
- Fix the semantics of raw GPIO to actually be raw. No
inversion semantics as before, but also no open draining,
and allow the raw operations to affect lines used for
interrupts as the caller supposedly knows what they are
doing if they are getting the big hammer.
- Rewrote the __inner_function() notation calls to names that
make more sense. I just find this kind of code disturbing.
- Drop the .irq_base() field from the gpiochip since now all
IRQs are mapped dynamically. This is nice.
- Support for .get_multiple() in the core driver API. This
allows us to read several GPIO lines with a single
register read. This has high value for some usecases: it
can be used to create oscilloscopes and signal analyzers
and other things that rely on reading several lines at
exactly the same instant. Also a generally nice
optimization. This uses the new assign_bit() macro from
the bitops lib that was ACKed by Andrew Morton and
is implemented for two drivers, one of them being the
generic MMIO driver so everyone using that will be able
to benefit from this.
- Do not allow requests of Open Drain and Open Source
setting of a GPIO line simultaneously. If the hardware
actually supports enabling both at the same time the
electrical result would be disastrous.
- A new interrupt chip core helper. This will be helpful
to deal with "banked" GPIOs, which means GPIO controllers
with several logical blocks of GPIO inside them. This
is several gpiochips per device in the device model, in
contrast to the case when there is a 1-to-1 relationship
between a device and a gpiochip.
NEW DRIVERS:
- Maxim MAX3191x industrial serializer, a very interesting
piece of professional I/O hardware.
- Uniphier GPIO driver. This is the GPIO block from the
recent Socionext (ex Fujitsu and Panasonic) platform.
- Tegra 186 driver. This is based on the new banked GPIO
infrastructure.
OTHER IMPROVEMENTS:
- Some documentation improvements.
- Wakeup support for the DesignWare DWAPB GPIO controller.
- Reset line support on the DesignWare DWAPB GPIO controller.
- Several non-critical bug fixes and improvements for the
Broadcom BRCMSTB driver.
- Misc non-critical bug fixes like exotic errorpaths, removal
of dead code etc.
- Explicit comments on fall-through switch() statements.
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Merge tag 'gpio-v4.15-1' of ssh://gitolite.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 v4.15 kernel cycle:
Core:
- Fix the semantics of raw GPIO to actually be raw. No inversion
semantics as before, but also no open draining, and allow the raw
operations to affect lines used for interrupts as the caller
supposedly knows what they are doing if they are getting the big
hammer.
- Rewrote the __inner_function() notation calls to names that make
more sense. I just find this kind of code disturbing.
- Drop the .irq_base() field from the gpiochip since now all IRQs are
mapped dynamically. This is nice.
- Support for .get_multiple() in the core driver API. This allows us
to read several GPIO lines with a single register read. This has
high value for some usecases: it can be used to create
oscilloscopes and signal analyzers and other things that rely on
reading several lines at exactly the same instant. Also a generally
nice optimization. This uses the new assign_bit() macro from the
bitops lib that was ACKed by Andrew Morton and is implemented for
two drivers, one of them being the generic MMIO driver so everyone
using that will be able to benefit from this.
- Do not allow requests of Open Drain and Open Source setting of a
GPIO line simultaneously. If the hardware actually supports
enabling both at the same time the electrical result would be
disastrous.
- A new interrupt chip core helper. This will be helpful to deal with
"banked" GPIOs, which means GPIO controllers with several logical
blocks of GPIO inside them. This is several gpiochips per device in
the device model, in contrast to the case when there is a 1-to-1
relationship between a device and a gpiochip.
New drivers:
- Maxim MAX3191x industrial serializer, a very interesting piece of
professional I/O hardware.
- Uniphier GPIO driver. This is the GPIO block from the recent
Socionext (ex Fujitsu and Panasonic) platform.
- Tegra 186 driver. This is based on the new banked GPIO
infrastructure.
Other improvements:
- Some documentation improvements.
- Wakeup support for the DesignWare DWAPB GPIO controller.
- Reset line support on the DesignWare DWAPB GPIO controller.
- Several non-critical bug fixes and improvements for the Broadcom
BRCMSTB driver.
- Misc non-critical bug fixes like exotic errorpaths, removal of dead
code etc.
- Explicit comments on fall-through switch() statements"
* tag 'gpio-v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (65 commits)
gpio: tegra186: Remove tegra186_gpio_lock_class
gpio: rcar: Add r8a77995 (R-Car D3) support
pinctrl: bcm2835: Fix some merge fallout
gpio: Fix undefined lock_dep_class
gpio: Automatically add lockdep keys
gpio: Introduce struct gpio_irq_chip.first
gpio: Disambiguate struct gpio_irq_chip.nested
gpio: Add Tegra186 support
gpio: Export gpiochip_irq_{map,unmap}()
gpio: Implement tighter IRQ chip integration
gpio: Move lock_key into struct gpio_irq_chip
gpio: Move irq_valid_mask into struct gpio_irq_chip
gpio: Move irq_nested into struct gpio_irq_chip
gpio: Move irq_chained_parent to struct gpio_irq_chip
gpio: Move irq_default_type to struct gpio_irq_chip
gpio: Move irq_handler to struct gpio_irq_chip
gpio: Move irqdomain into struct gpio_irq_chip
gpio: Move irqchip into struct gpio_irq_chip
gpio: Introduce struct gpio_irq_chip
pinctrl: armada-37xx: remove unused variable
...
In order to consolidate the multiple ways to associate an IRQ chip with
a GPIO chip, move more fields into the new struct gpio_irq_chip.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
A cleanup left behind a temporary variable that is now unused:
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c: In function 'armada_37xx_irq_startup':
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:693:20: error: unused variable 'chip' [-Werror=unused-variable]
This removes the declarations as well.
Fixes: 3ee9e605ca ("pinctrl: armada-37xx: Stop using struct gpio_chip.irq_base")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
