| Commit message (Collapse) | Author | Age | Files | Lines |
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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
...
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Further cleanup from the SPDX fixup fallout for the recent ASPEED
series. aspeed_g4_defconfig, aspeed_g5_defconfig and multi_v5_defconfig
now compile. Smoke tested the g4 and g5 kernels under QEMU's
palmetto-bmc and romulus-bmc machines respectively.
Fixes: 35d8510ea3ad ("pinctrl: aspeed: Fix missed include")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190710032216.4088-1-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Some SPDX churn made my fixes drop an important include
from the Aspeed pinctrl header. Fix it up.
Cc: Andrew Jeffery <andrew@aj.id.au>
Reported-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Use GENMASK() macro for all definitions where it's appropriate.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20190703151554.30454-1-andriy.shevchenko@linux.intel.com
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We have some data structures duplicated across the drivers.
Let's deduplicate them by using ones that being provided by
pinctrl-intel.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20190703003018.75186-2-andriy.shevchenko@linux.intel.com
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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By the fact byt_get_gpio_mux() returns a value of mux settings as
it is represented in hardware. Use defined macro instead of magic numbers
to clarify this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20190703003018.75186-1-andriy.shevchenko@linux.intel.com
Reviewed-By: Enrico Weigelt <info@metux.net>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add initial pinctrl driver to support pin configuration with
pinctrl framework for SM8150
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
[vkoul: modify to use upstream tile support
use upstream code style
order the functions and squash functions]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20190702105045.27646-4-vkoul@kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The ASPEED pinctrl driver implementations make heavy use of macros to
minimise tedium of implementation and maximise the chance that the
compiler will catch errors in defining signal and pin configurations.
While the goal of minimising errors is achieved, it is at the cost of
the complexity of the macros.
Document examples of the expanded form of pin declarations to
demonstrate the operation of the macros.
Cc: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190628023838.15426-9-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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ASPEED have completely rearranged the System Control Unit register
layout with the AST2600. The existing code took advantage of the fact
that the AST2400 and AST2500 had layouts that were similar enough to
have little impact on the pinmux infrastructure (though there is a wart
with read-modify-write vs write-1-clear semantics of the hardware
strapping registers between the two).
Given that any similarity has been thrown out with the AST2600, separate
out the function applying an expression state to be driver-specific.
With it, extract out the pinmux macro jungle to its own header and
implementation so the pieces can be composed without dependency cycles.
Cc: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190628023838.15426-8-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Writes of 1 to SCU7C clear set bits in SCU70, the hardware strapping
register. The information was correct if you squinted while reading, but
hopefully switching the order of the registers as listed conveys it
better.
Cc: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20190628023838.15426-7-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We have handled the GFX register case for quite some time now.
Cc: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20190628023838.15426-6-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Introduce the irq_enable callback which will be same as irq_unmask
except that it will also clear the status bit before unmask.
This will help in clearing any erroneous interrupts that would
have got latched when the interrupt is not in use.
There may be devices like UART which can use the same gpio line
for data rx as well as a wakeup gpio when in suspend. The data that
was flowing on the line may latch the interrupt and when we enable
the interrupt before going to suspend, this would trigger the
unexpected interrupt. This change helps clearing the interrupt
so that these unexpected interrupts gets cleared.
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Link: https://lore.kernel.org/r/1561472086-23360-1-git-send-email-neeraju@codeaurora.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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GPL-2.0-only is the preferred way of expressing v2 of the GPL, so switch
to that. Remove some redundant copyright notices and correct some
instances where the wrong comment type has been used in header files.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Clang warns when CONFIG_ACPI is unset:
drivers/pinctrl/qcom/pinctrl-sdm845.c:1320:5: warning: 'CONFIG_ACPI' is
not defined, evaluates to 0 [-Wundef]
#if CONFIG_ACPI
^
1 warning generated.
Use ifdef instead of if to resolve this.
Fixes: a229105d7a1e ("pinctrl: qcom: sdm845: Provide ACPI support")
Link: https://github.com/ClangBuiltLinux/linux/issues/569
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Some pin groups have park bits for multiple pins in one register.
Support this by turning the parked bit field into a parked bitmask
field. If no parked bits are supported, the bitmask can be 0.
Update the pingroup table on Tegra210, which is the only generation
where this is supported, with the parked bitmask.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Rather than reuse the nvidia,tegra30-gpio compatible string
to find the GPIO controller on Tegra30, Tegra114, Tegra124 and
Tegra210, use the most specific compatible string for each
SoC generation for consistency.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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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>
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Add the pinctrl driver support for i.MX8MN.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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OK so some automatic scripts were fixing the SPDX tags in
the mainline branch while we were patching other stuff,
and yeah it is more correct to have "GPL-2.0-only" rather
than "GPL-2.0" so let's conform to what is already upstream
so we don't end up getting the wrong license on the merged
result later.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch provides basic support for booting with ACPI instead
of the currently supported Device Tree. When doing so there are a
couple of differences which we need to taken into consideration.
Firstly, the SDM850 ACPI tables omit information pertaining to the
4 reserved GPIOs on the platform. If Linux attempts to touch/
initialise any of these lines, the firmware will restart the
platform.
Secondly, when booting with ACPI, it is expected that the firmware
will set-up things like; Regulators, Clocks, Pin Functions, etc in
their ideal configuration. Thus, the possible Pin Functions
available to this platform are not advertised when providing the
higher GPIOD/Pinctrl APIs with pin information.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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When booting MSM based platforms with Device Tree or some ACPI
implementations, it is possible to provide a list of reserved pins
via the 'gpio-reserved-ranges' and 'gpios' properties respectively.
However some ACPI tables are not populated with this information,
thus it has to come from a knowledgable device driver instead.
Here we provide the MSM common driver with additional support to
parse this informtion and correctly populate the widely used
'valid_mask'.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This function was used by pin_request() to pointlessly double-check
the pin validity, and it was the only user ever.
Since commit d2f6a1c6fb0e ("pinctrl: remove double pin validity
check."), no one has ever used it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The iterator is initialized in list_for_each_entry().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v5.3
- Add more checks for pinctrl table validation,
- Add TPU (Timer Pulse Unit / PWM) pin groups on R-Car H3, M3-W, and
M3-N,
- Rework description of pins without GPIO functionality,
- Small fixes and cleanups.
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Now all Renesas pin control drivers have been converted to use the new
non-GPIO helper macros, SH_PFC_PIN_NAMED() and SH_PFC_PIN_NAMED_CFG()
are no longer used. Remove them.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the SH-Mobile AG5 pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the SH-Mobile AG5 SoC (in 34x34 BGA package) by
symbolic enum values, referring to signal names.
Note that the user-visible names of these pins are still based on pin
numbers instead of signal names, to preserve DT backwards compatibility.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car E3 pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car E3 SoC (in 25x25 FCBGA package) by
symbolic enum values, referring to signal names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car M3-N pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car M3-N SiP (in 39x39 BGA package) by
symbolic enum values, referring to signal names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car M3-W pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car M3-W SiP (in 39x39 BGA package) by
symbolic enum values, referring to signal names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car H3 ES2.0 and later pin control driver to use the new
macros for describing pins without GPIO functionality. This replaces
the use of physical pin numbers on the R-Car H3 ES2.0 SiP (in 39x39
BGA package) by symbolic enum values, referring to signal names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car H3 ES1.x pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car H3 ES1.x SiP (in 39x39 BGA package) by
symbolic enum values, referring to signal names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car H2 pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car H2 SoC (in 31x31 FCBGA package) by
symbolic enum values, referring to signal names.
Note that the user-visible names of these pins are still based on pin
numbers instead of signal names, to preserve DT backwards compatibility.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the R-Car M1A pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the R-Car M1A SoC (in 25x25 FCBGA package) by
symbolic enum values, referring to signal names.
Note that the user-visible names of these pins are still based on pin
numbers instead of signal names, to preserve DT backwards compatibility.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Update the EMMA Mobile EV2 pin control driver to use the new macros for
describing pins without GPIO functionality. This replaces the use of
physical pin numbers on the EMMA Mobile EV2 SoC (in 23x23 BGA package)
by symbolic enum values, referring to signal names.
Note that the user-visible names of these pins are still based on pin
numbers instead of signal names, to preserve DT backwards compatibility.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Add new macros for describing pins without GPIO functionality:
- NOGP_ALL() expands to a list of PIN_id values, to be used for
generating symbolic enum values,
- PINMUX_NOGP_ALL() expands to a list of sh_pfc_pin entries, to
list all pins and their capabilities.
Both macros depend on an SoC-specific CPU_ALL_NOGP() macro, to be
provided by each individual SoC pin control driver.
The new macros offer two advantages over the existing SH_PFC_PIN_NAMED()
and SH_PFC_PIN_NAMED_CFG() macros:
1. They do not rely on PIN_NUMBER() macros and physical pin numbering,
hence do not suffer from pin numbering confusion among different
SoC/SiP packages.
2. They are similar in spirit to the existing scheme for handling pins
with GPIO functionality.
Note that internal to the driver, non-GPIO pins use a sequential
numbering scheme which starts after the highest GPIO pin number in use.
This value is calculated automatically, using two new helper macros, for
systems with either 32-port bank (GP port style) or linear (PORT style)
pin space. Sample expansion:
GP_LAST = sizeof(union {
char dummy[0] __attribute__((deprecated, deprecated));
char GP_0_0[(0 * 32) + 0] __attribute__((deprecated, deprecated));
char GP_0_1[(0 * 32) + 1] __attribute__((deprecated, deprecated));
...
char GP_7_3[(7 * 32) + 3] __attribute__((deprecated, deprecated));
})
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
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Get rid of the custom PORT_GP_PUP_27() macro by using the common
PORT_GP_CFG_27() macro instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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This follows the style of the existing PORT_GP_X macros, and will be
used by a follow-up patch for the r8a7778 SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add pins, groups and functions for the 16-Bit Timer Pulse Unit outputs
on the R-Car M3-N SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add pins, groups and functions for the 16-Bit Timer Pulse Unit outputs
on the R-Car M3-W and RZ/G2M SoCs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add pins, groups and functions for the 16-Bit Timer Pulse Unit outputs
on revisions ES2.x and later of the R-Car H3 SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add pins, groups and functions for the 16-Bit Timer Pulse Unit outputs
on revision ES1.x of the R-Car H3 SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Hardware Manual Errata for rev. 1.50 of March 26, 2019 removed the bit
definitions for MMC_CD and MMC_WP in the documentation for the IPSR6 and
IPSR7 registers, as these pin functionalities do not exist on R-Car
V3M.
Remove the definitions, and the corrresponding pins and groups.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
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Several drivers have identical definitions for PIN_NONE.
Provide a definition with a SH_PFC_ prefix for general use in sh_pfc.h,
and convert all drivers over to use it.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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It is very common for a pin to support both pull-up and pull-down
functionality. Hence add a shorthand SH_PFC_PIN_CFG_PULL_UP_DOWN.
This not only reduces typing, but also avoids the need for several line
breaks, and makes many overly long lines shorter, improving
readability.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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There are two variants of the CPU_ALL_PORT() macro in use:
1. A three-parameter variant, to be provided for SoCs with a linear
GPIO pin space ("PORT style"),
2. A two-parameter variant, to be provided for SoCs with 32-port GPIO
banks ("GP port style").
Rename the 2-parameter variant to CPU_ALL_GP(), to avoid confusion, and
to increase naming consistency.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Extend the run-time debug code with checks to ensure there are no
conflicting pin names, numbers, or enumeration values.
This helps catching bugs early.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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The pinmux groups and functions arrays may contain two parts, to ease
supporting SoCs that expose pin subsets of other related SoCs. Both
parts need to be declared with explicit sizes, which thus need to be
updated when adding support for more groups and functions.
If a size is too small, the compiler will detect this at build time
("excess elements in array initializer").
If a size is too large, this may go undetected (for pin groups), lead to
pin controller registration failures (for pin functions: "pinmux ops has
no name for functionN"), or crash the optional run-time debug code (for
pin groups).
Extend the run-time debug code with checks to detect this, to help
catching bugs early.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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All run-time debug code is called from sh_pfc_init(), which is __init.
Fixes: 6161b39a14380815 ("pinctrl: sh-pfc: Validate pinmux tables at runtime when debugging")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Improve wording while at it.
Fixes: 6161b39a14380815 ("pinctrl: sh-pfc: Validate pinmux tables at runtime when debugging")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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