Core:
- The documentation is moved over to RST.
- We now have agreed bindings for enabling input and output
buffers without actually enabling input and/or output on a
pin. We are chiseling out some details of pin control
electronics.
New drivers:
- ZTE ZX
- Renesas RZA1
- MIPS Ingenic JZ47xx: also switch over existing drivers in the
tree to use this pin controller and consolidate earlier
spread out code.
- Microschip MCP23S08: this driver is migrated from the GPIO
subsystem and totally rewritten to use proper pin control.
All users are switched over.
New subdrivers:
- Renesas R8A7743 and R8A7745.
- Allwinner Sunxi A83T R_PIO.
- Marvell MVEBU Armada CP110 and AP806.
- Intel Cannon Lake PCH.
- Qualcomm IPQ8074.
Notable improvements:
- IRQ support on the Marvell MVEBU Armada 37xx.
- Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
- Rockchip driver now supports iomux-route switching for
RK3228, RK3328 and RK3399.
- Rockchip A10 and A20 are merged into a single driver.
- STM32 has improved GPIO support.
- Samsung Exynos drivers are split per ARMv7 and ARMv8.
- Marvell MVEBU is converted to use regmap for register
access.
Maintenance:
- Several Renesas SH-PFC refactorings and updates.
- Serious code size cut for Mediatek MT7623.
- Misc janitorial and MAINTAINERS fixes.
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Merge tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the big bulk of pin control changes for the v4.13 series:
Core:
- The documentation is moved over to RST.
- We now have agreed bindings for enabling input and output buffers
without actually enabling input and/or output on a pin. We are
chiseling out some details of pin control electronics.
New drivers:
- ZTE ZX
- Renesas RZA1
- MIPS Ingenic JZ47xx: also switch over existing drivers in the tree
to use this pin controller and consolidate earlier spread out code.
- Microschip MCP23S08: this driver is migrated from the GPIO
subsystem and totally rewritten to use proper pin control. All
users are switched over.
New subdrivers:
- Renesas R8A7743 and R8A7745.
- Allwinner Sunxi A83T R_PIO.
- Marvell MVEBU Armada CP110 and AP806.
- Intel Cannon Lake PCH.
- Qualcomm IPQ8074.
Notable improvements:
- IRQ support on the Marvell MVEBU Armada 37xx.
- Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
- Rockchip driver now supports iomux-route switching for RK3228,
RK3328 and RK3399.
- Rockchip A10 and A20 are merged into a single driver.
- STM32 has improved GPIO support.
- Samsung Exynos drivers are split per ARMv7 and ARMv8.
- Marvell MVEBU is converted to use regmap for register access.
Maintenance:
- Several Renesas SH-PFC refactorings and updates.
- Serious code size cut for Mediatek MT7623.
- Misc janitorial and MAINTAINERS fixes"
* tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (137 commits)
pinctrl: samsung: Remove bogus irq_[un]mask from resource management
pinctrl: rza1: make structures rza1_gpiochip_template and rza1_pinmux_ops static
pinctrl: rza1: Remove unneeded wrong check for wrong variable
pinctrl: qcom: Add ipq8074 pinctrl driver
pinctrl: freescale: imx7d: make of_device_ids const.
pinctrl: DT: extend the pinmux property to support integers array
pinctrl: generic: Add output-enable property
pinctrl: armada-37xx: Fix number of pin in sdio_sb
pinctrl: armada-37xx: Fix uart2 group selection register mask
pinctrl: bcm2835: Avoid warning from __irq_do_set_handler
pinctrl: sh-pfc: r8a7795: Add PWM support
MAINTAINERS: Add Qualcomm pinctrl drivers section
arm: dts: dt-bindings: Add Renesas RZ/A1 pinctrl header
dt-bindings: pinctrl: Add RZ/A1 bindings doc
pinctrl: Renesas RZ/A1 pin and gpio controller
pinctrl: sh-pfc: r8a7792: Add SCIF1 and SCIF2 pin groups
pinctrl.txt: move it to the driver-api book
pinctrl: ingenic: checking for NULL instead of IS_ERR()
pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD20
pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD11
...
The irq chip callbacks irq_request/release_resources() have absolutely no
business with masking and unmasking the irq.
The core code unmasks the interrupt after complete setup and masks it
before invoking irq_release_resources().
The unmask is actually harmful as it happens before the interrupt is
completely initialized in __setup_irq().
Remove it.
Fixes: f6a8249f9e ("pinctrl: exynos: Lock GPIOs as interrupts when used as EINTs")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
structures rza1_gpiochip_template and rza1_pinmux_ops do not need to be
in global scope, so make them static.
Cleans up sparse warnings:
symbol 'rza1_gpiochip_template' was not declared. Should it be static?
symbol 'rza1_pinmux_ops' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Depending on compiler version:
drivers/pinctrl/pinctrl-rza1.c: In function ‘rza1_pinctrl_probe’:
drivers/pinctrl/pinctrl-rza1.c:1260:5: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
if (ret)
^
Indeed, the result returned by platform_get_resource() was stored in
"res", not "ret". In addition, the correct error check would be
"if (!res)", as platform_get_resource() does not return an error code,
but returns NULL on failure.
However, as devm_ioremap_resource() verifies the validity of the passed
resource pointer anyway, the check can just be removed.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 5a49b644b3 ("pinctrl: Renesas RZ/A1 pin and gpio controller")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add SCIF1 and SCIF2 pin groups for R-Car V2H,
- Add EtherAVB, DU parallel RGB output, and PWM pin groups for R-Car
H3 ES2.0,
- Add pin and gpio controller support for RZ/A1.
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Merge tag 'sh-pfc-for-v4.13-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v4.13 (take two)
- Add SCIF1 and SCIF2 pin groups for R-Car V2H,
- Add EtherAVB, DU parallel RGB output, and PWM pin groups for R-Car
H3 ES2.0,
- Add pin and gpio controller support for RZ/A1.
of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add output-enable generic pin configuration property.
This properties allows enabling/disabling pin's output capabilities
without actually driving any value on the line.
Acked-by: Rob Herring <robh@kernel.org>
[Added inline elaborations on buffer enabling/disabling]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The sdio_sb group is composed of 6 pins and not 5.
Reported-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>
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>
Add pinctrl support for the PWM[0-6] pins.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add SCIF1 and SCIF2 pin groups to the R8A7792 PFC driver.
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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).
The H3 ES1.x and H3 ES2.0 have identical pinmuxing for the parallel RGB
output support.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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>
Add pins, groups, and a function for EtherAVB on R-Car H3 ES2.0.
Extracted from a big patch in the BSP by Takeshi Kihara.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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>
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>
In stm32_pconf_parse_conf function, stm32_pmx_gpio_set_direction is
called with wrong parameter value. Indeed, using NULL value for range
will raise an oops.
Fixes: aceb16dc2d ("pinctrl: Add STM32 MCUs support")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AMD pinctrl driver uses a chained interrupt to demultiplex the GPIO
interrupts. Kevin Vandeventer reported, that his new AMD Ryzen locks up
hard on boot when the AMD pinctrl driver is initialized. The reason is an
interrupt storm. It's not clear whether that's caused by hardware or
firmware or both.
Using chained interrupts on X86 is a dangerous endavour. If a system is
misconfigured or the hardware buggy there is no safety net to catch an
interrupt storm.
Convert the driver to use a regular interrupt for the demultiplex
handler. This allows the interrupt storm detector to catch the malfunction
and lets the system boot up.
This should be backported to stable because it's likely that more users run
into this problem as the AMD Ryzen machines are spreading.
Reported-by: Kevin Vandeventer
Link: https://bugzilla.suse.com/show_bug.cgi?id=1034261
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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>
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>
Linus Torvalds