If north bridge selection register bit1 is clear, pins [10:8] are for
SDIO0 Resetn, Wakeup, and PDN while if bit1 is set, pins [10:8]are for
GPIO; when bit1 is clear, pin 9 and pin 10 can be used for uart2 RTSn
and CTSn, so bit1 should be added to uart2 group and it must be set
for both "gpio" and "uart" functions of uart2 group.
Signed-off-by: Ken Ma <make@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We get a warning during boot with enabled EARLY_PRINTK that
we try to set a irq_chip without data. This is caused by ignoring
the return value of irq_of_parse_and_map(). So avoid calling
gpiochip_set_chained_irqchip() in error case.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 85ae9e512f ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Document the maintainership of the Qualcomm pinctrl drivers to improve the
hitrate.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As pinctrl describes a feature from drivers/base, place it at
the right book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1. Split drivers per ARMv7 and ARMv8 architectures because there
is no need to compile everything on each of them.
2. Fix for possible NULL-pointer dereference after memory allocation
failure.
3. Cleanups (silencing cast warnings, constify, removal of unneeded
casts, removal of modular boiler-plate).
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Merge tag 'samsung-pinctrl-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers update for v4.13:
1. Split drivers per ARMv7 and ARMv8 architectures because there
is no need to compile everything on each of them.
2. Fix for possible NULL-pointer dereference after memory allocation
failure.
3. Cleanups (silencing cast warnings, constify, removal of unneeded
casts, removal of modular boiler-plate).
This commit adds a pinctrl driver for the CP110 part of the Marvell
Armada 7K and 8K SoCs. The Armada 7K has a single CP110, where almost all
the MPP pins are available. On the other side, the Armada 8K has two
CP110, and the available MPPs are split between the master CP110 (MPPs 32
to 62) and the slave CP110 (MPPs 0 to 31).
The register interface to control the MPPs is however the same as all
other mvebu SoCs, so we can reuse the common pinctrl-mvebu.c logic.
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Reviewed-by: Shadi Ammouri <shadi@marvell.com>
[updated for mvebu pinctrl and 4.9 changes:
- converted to simple_mmio
- converted to syscon/regmap
- removed unimplemented .remove function
- dropped DTS changes
- defered gpio ranges to DT
- fixed warning
- properly set soc->nmodes
-- rmk]
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
[ add missing MPP[61:56] function 14 (SDIO)
-- Konstantin Porotchkin]
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
[ allow to properly register more then one instance of this driver
-- Grzegorz Jaszczyk]
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
[ - rebased on 4.12-rc1
- fixed the 80 character limit for mvebu_mpp_mode array
- aligned the compatible name on the ones already used
- fixed the MPP table for CP110: some MPP are not available on Armada 7K
-- Gregory CLEMENT]
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit adds a pinctrl driver for the pin-muxing controller found in
the AP806 part of the Marvell Armada 7K and 8K SoCs. Its register
interface is compatible with the one used by previous mvebu pin
controllers, so the common logic in drivers/pinctrl/mvebu/pinctrl-mvebu.c
is used.
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Reviewed-by: Shadi Ammouri <shadi@marvell.com>
[updated for mvebu pinctrl changes
- converted to simple_mmio
- removed unimplemented .remove function
- removed DTS description
- converted to use syscon/regmap
--rmk]
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Armada 8040 also needs orion pinctrl, and as these symbols are only
selected, there's no need to make them depend on PLAT_ORION.
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The offset property of the pinctrl node, when a regmap is used in the
device tree, was never used nor documented in the binding. Moreover, the
compatible string is enough to let the driver know which offset using.
So this patch removes the property and move the information at the driver
level.
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add Tsin A pins to bank DV and X.
We don't have a driver for the tsin yet but since the tsin A pinmux is
enabled by default at boot time, declaring this pinmux is required to
properly operate on GPIOX.
Without this change, GPIOX 8, 9, 10 and 11 can't be driven as GPIO output
as the tsin A seems to have priority.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds pinctrl/GPIO support for Intel Cannon Lake PCH. The Cannon
Lake PCH GPIO is based on newer version of the Intel GPIO hardware.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On some SoCs not all pins in a group use the same mode when a certain
function is muxed out of them. This makes it possible to specify mode per
pin as an array instead in addition to single integer.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Intel GPIO hardware has a concept of pad groups, which means 1 to 32
pads occupying their own GPI_IS, GPI_IE, PAD_OWN and so on registers. The
existing hardware has the same amount of pads in each pad group (except the
last one) so it is possible to use community->gpp_size to calculate start
offset of each register.
With the next generation SoCs the pad group size is not always the same
anymore which means we cannot use community->gpp_size for register offset
calculations directly.
To support variable size pad groups we introduce struct intel_padgroup that
can be filled in by the client drivers according the hardware pad group
layout. The core driver will always use these when it performs calculations
for pad register offsets. The core driver will automatically populate pad
groups based on community->gpp_size if the driver does not provide any.
This makes sure the existing drivers still work as expected.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Chuah, Kim Tatt <kim.tatt.chuah@intel.com>
Signed-off-by: Tan Jui Nee <jui.nee.tan@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The R_PIO on the A83T is almost the same as the one found on the A64,
except that the CIR_RX function was moved from pin PL11 to pin PL12.
Add a driver for it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The R_PIO on the A83T is almost the same as the one found on the A64,
except that the CIR_RX function was moved from pin PL11 to pin PL12.
Add a compatible string for it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use consistent license headers for Broadcom files by
placing additional comments outside of standard legal header.
Also, update legal header to 2017 format as "Broadcom Corporation"
has changed to "Broadcom".
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
struct irq_domain_ops is not modified, so it can be made const.
Suggested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is no link between the number of elements of tab which contains all
pin desc (located in each pinctrl-stm32xxxx.c files) and the pin number
(defined in the tab).
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add GPIO interrupt information to pinctrl data. Added to the original
version from Jerome was data for Meson GXL.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
After commit 34e61801a3 "pinctrl: meson-gxbb: Add missing GPIODV_18
pin entry" I started to get the following warning:
"meson-pinctrl c8834000.periphs:pinctrl@4b0: names 119 do not match
number of GPIOs 120"
It turned out that not the mentioned commit has a problem, it just
revealed another problem which had existed before.
There is no PIN GPIOX_22 on Meson GXBB.
Fixes: 468c234f9e ("pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
For S5Pv210 retention control, the driver stores the iomem pointer from
of_iomap() under a void pointer member. This makes sparse unhappy:
drivers/pinctrl/samsung/pinctrl-exynos.c:664:36: warning: incorrect type in argument 1 (different address spaces)
drivers/pinctrl/samsung/pinctrl-exynos.c:664:36: expected void const volatile [noderef] <asn:2>*addr
drivers/pinctrl/samsung/pinctrl-exynos.c:664:36: got void *
The iomem pointer is used safely (stored under priv by
s5pv210_retention_init(), used by s5pv210_retention_disable()) thus we
can add explicit casts to iomem to silence the warning.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Check if kmemdup failed during wakeup banks initialization. Otherwise
NULL pointer would be stored under "irq_chip" member of bank and later
dereferenced in interrupt handler.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Static exynos_irq_chip structures, containing driver specific data, are
referenced only through opaque data pointer in const of_device_id table.
The contents of pointed memory (exynos_irq_chip structure itself) is
then copied with kmemdup() during wakeup initialization so
exynos_irq_chip can be made const for code safenes.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Exynos pinctrl drivers contain pretty big per-SoC data structures. The
pinctrl-exynos object file contained code and data for both ARMv7 and
ARMv8 SoCs thus it grew big. There will not be a shared image between
ARMv7 and ARMv8 so there is no need to combine all of this into one
driver.
Splitting the data allows to make it more granular (e.g. code related to
ARMv8 Exynos is self-contained), slightly speed up the compilation and
reduce the effective size of compiled kernel.
The common data structures and functions reside still in existing
pinctrl-exynos.c. Only the SoC-specific parts were moved out to new
files. Except marking few functions non-static and adding them to
header, there were no functional changes in the code.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
- Add PWM, AVB MDIO/MII, and sound pin groups on R-Car M3-W,
- Add support for RZ/G1M and RZ/G1E,
- Small fixes and cleanups.
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Merge tag 'sh-pfc-for-v4.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v4.13
- Add PWM, AVB MDIO/MII, and sound pin groups on R-Car M3-W,
- Add support for RZ/G1M and RZ/G1E,
- Small fixes and cleanups.
This patch ensures that pin is correctly set as gpio input when it is used
as an interrupt.
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
With "SPI_MASTER=y && I2C=m", we can build mcp23s08 as a built-in driver,
which then results in a link failure:
drivers/pinctrl/built-in.o: In function `mcp23s08_probe_one.isra.0':
:(.text+0x7910): undefined reference to `__devm_regmap_init_i2c'
drivers/pinctrl/built-in.o: In function `mcp23s08_init':
:(.init.text+0x110): undefined reference to `i2c_register_driver'
drivers/pinctrl/built-in.o: In function `mcp23s08_exit':
:(.exit.text+0x3c): undefined reference to `i2c_del_driver'
To avoid the problem, this adds another dependency on I2C that enforces
mcp23s08 to be a loadable module whenever the I2C core is a module.
Fixes: 64ac43e6fa ("gpio: mcp23s08: move to pinctrl")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Allwinner R40 has a pin controller like the ones in older Allwinner SoCs
(especially A20), and can use modified version of the A10/A20 pinctrl
driver.
Add a compatible string for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As we added A20 support to A10 pinctrl driver, now we can delete the
dedicated A20 pinctrl driver, which is duplicated code.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
[Drop Makefile entry]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As A20 is designed as a pin-compatible upgrade of A10, their pin
controller are very similar, and can share one driver.
Add A20 support to the A10 driver.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Allwinner A10, A20 and R40 SoCs have similar GPIO layout.
Add SoC definitions in pinctrl-sunxi.h, in order to merge A20 support
into A10 driver, and add R40 support into it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are 2 IP blocks pin routes need to be switched, that are
uart2dbg, pcie_clkreq.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are 8 IP blocks pin routes need to be switched, that are
uart2dbg, gmac-m1-optimized, pdm, spi, i2s2, card, tsp, cif.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are 9 IP blocks pin routes need to be switched, that are
pwm-0, pwm-1, pwm-2, pwm-3, sdio, spi, emmc, uart2, uart1.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On the some rockchip SOCS, some things like rk3399 specific uart2 can use
multiple pins. Somewhere between the pin io-cells and the uart it seems
to have some sort of switch to decide to which pin to actually route the
data.
+-------+ +--------+ /- GPIO4_B0 (pinmux 2)
| uart2 | -- | switch | --- GPIO4_C0 (pinmux 2)
+-------+ +--------+ \- GPIO4_C3 (pinmux 2)
(switch selects one of the 3 pins base on the GRF_SOC_CON7[BIT0, BIT1])
The routing switch is determined by one pin of a specific group to be set
to its special pinmux function. If the pinmux setting is wrong for that
pin the ip block won't work correctly anyway.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix compile errors due to missing OF.
Cc: Paul Cercueil <paul@crapouillou.net>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Amlogic Meson GXL SoCs embeds an 10/100 Ethernet PHY, this patchs enables
the Link and Activity LEDs signals.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the AO and EE domain CEC pins for the Amlogic Meson GXL SoCs.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the AO and EE domain CEC pins for the Amlogic Meson GXBB SoCs.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AO SPDIF pins were incorrectly defined with the EE pin offset.
Fixes: b840d649f9 ("pinctrl: meson: gxl: add spdif output pins")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AO I2S pins were incorrectly defined with the EE pin offset.
Fixes: 2899adf042 ("pinctrl: meson: gxl: add i2s output pins")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
GPIODV_18 entry was missing in the original driver push.
Fixes: 468c234f9e ("pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fixups here tend to be more of a conglomerate of some of the other
repeated/systematic ones we've seen in the earlier pinctrl cleanups.
We remove module.h from code that isn't doing anything modular at
all; if they have __init sections, then replace it with init.h
One driver has a .remove that would be dispatched on module_exit,
and as that code is essentially orphaned, so we remove it. In case
anyone was previously doing the (pointless) unbind to get to that
function, we disable unbind for this one driver as well.
A couple bool drivers (hence non-modular) are converted over to
to builtin_platform_driver().
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
Cc: Eric Anholt <eric@anholt.net>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jon Mason <jonmason@broadcom.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Sherman Yin <syin@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-gpio@vger.kernel.org
Cc: linux-rpi-kernel@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
None of the Kconfigs for any of these drivers are tristate,
meaning that they currently are not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the drivers there is no doubt they are builtin-only. All
drivers get similar changes, so they are handled in batch.
We remove module.h from code that isn't doing anything modular at
all; if they have __init sections, then replace it with init.h.
A couple drivers have module_exit() code that is essentially orphaned,
and so we remove that.
Quite a few bool drivers (hence non-modular) are converted over to
to builtin_platform_driver().
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Pritesh Raithatha <praithatha@nvidia.com>
Cc: Ashwini Ghuge <aghuge@nvidia.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
