The pm8xxx_pinctrl_desc structure is only copied into another structure,
so make it const.
The opportunity for this change was found using Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/1577864614-5543-9-git-send-email-Julia.Lawall@inria.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The m_voc_groups is not declared outside of the
driver, so make it static to avoid the following
sparse wanrning:
drivers/pinctrl/qcom/pinctrl-msm8976.c:592:12: warning: symbol 'm_voc_groups' was not declared. Should it be static?
Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191218102804.2487374-1-ben.dooks@codethink.co.uk
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
platform_irq_count() 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/1576672860-14420-2-git-send-email-peng.fan@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The dsi entry is defined identically twice, so remove
the second one to remove the sparse warning:
drivers/pinctrl/actions/pinctrl-s700.c:1581:10: warning: Initializer entry defined twice
drivers/pinctrl/actions/pinctrl-s700.c:1586:10: also defined here
Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191218102013.2465038-1-ben.dooks@codethink.co.uk
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1.Add pinctrl drivers for the SPI flash controller (SFC) of
X1000 and X1500.
2.Add pinctrl driver for the synchronous serial interface (SSI)
of X1000.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/1576426864-35348-4-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1.Fix the pullup parameter of X1000.
2.X1000 and X1500 have only one set of uart1 hwflow pin mapping,
so modify "uart1_hwflow_d" to "uart1_hwflow".
3.X1000 has only one set of mmc1 pin mapping, so modify
"mmc1-1bit-e/mmc1-4bit-e" to "mmc1-1bit/mmc1-4bit".
4.X1000 has only one regular externel memory controller that
does not support nand flash, so change "nemc_" to "emc_".
5.X1500 has only one set of mmc, so modify "mmc0_" to "mmc_".
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/1576426864-35348-3-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Currently only the drivers/pinctrl/devicetree.c code allows registering
pinctrl-mappings which may later be unregistered, all other mappings
are assumed to be permanent.
Non-dt platforms may also want to register pinctrl mappings from code which
is build as a module, which requires being able to unregister the mapping
when the module is unloaded to avoid dangling pointers.
To allow unregistering the mappings the devicetree code uses 2 internal
functions: pinctrl_register_map and pinctrl_unregister_map.
pinctrl_register_map allows the devicetree code to tell the core to
not memdup the mappings as it retains ownership of them and
pinctrl_unregister_map does the unregistering, note this only works
when the mappings where not memdupped.
The only code relying on the memdup/shallow-copy done by
pinctrl_register_mappings is arch/arm/mach-u300/core.c this commit
replaces the __initdata with const, so that the shallow-copy is no
longer necessary.
After that we can get rid of the internal pinctrl_unregister_map function
and just use pinctrl_register_mappings directly everywhere.
This commit also renames pinctrl_unregister_map to
pinctrl_unregister_mappings so that its naming matches its
pinctrl_register_mappings counter-part and exports it.
Together these 2 changes will allow non-dt platform code to
register pinctrl-mappings from modules without breaking things on
module unload (as they can now unregister the mapping on unload).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20191216205122.1850923-2-hdegoede@redhat.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
JZ4760 support was added in parallel of the previous patch so this one
slipped through. The first SoC to use the new register is the JZ4760 and
not the JZ4770, fix it here.
Fixes: 7009d046a6 ("pinctrl: ingenic: Handle PIN_CONFIG_OUTPUT config")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20191210164446.53912-1-paul@crapouillou.net
[Folded into OF dependency]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Rather than always using handle_simple_irq() as the gpio_irq_chip
handler, set a more appropriate handler based on the IRQ trigger type
requested.
This is important for level triggered interrupts which need to be
masked during handling.
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20191215210503.15488-2-hamish.martin@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
on sc7180 we have cases where multiple functions from the same
qup instance share the same pin. This is true for qup02/04/11 and qup13.
Add new function names to distinguish which qup function to use.
The device tree files for this platform haven't landed in mainline yet,
so there aren't any users upstream who should break with this change
in function names, however, anyone using the devicetree files that were
posted on the lists and using these specific function names will need
to update their changes.
Reported-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Link: https://lore.kernel.org/r/0101016ef36a9118-f2919277-effa-4cd5-adf8-bbc8016f31df-000000@us-west-2.amazonses.com
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
GPIOs that can be configured as wakeup sources, have their
interrupt lines routed to PDC interrupt controller.
Provide the interrupt map of the GPIO to its wakeup capable
interrupt parent.
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1572419178-5750-2-git-send-email-mkshah@codeaurora.org
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It has turned out that some mmc host drivers, but perhaps also others
drivers, needs to reset the pinctrl into the default state
(PINCTRL_STATE_DEFAULT). However, they can't use the existing
pinctrl_pm_select_default_state(), as that requires CONFIG_PM to be set.
This leads to open coding, as they need to look up the default state
themselves and then select it.
To avoid the open coding, let's introduce pinctrl_select_default_state()
and make it available independently of CONFIG_PM. As a matter of fact, this
makes it more consistent with the behaviour of the driver core, as it
already tries to looks up the default state during probe.
Going forward, users of pinctrl_pm_select_default_state() are encouraged to
move to pinctrl_select_default_state(), so the old API can be removed.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20191206170821.29711-2-ulf.hansson@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix below linker error
ld: drivers/pinctrl/pinctrl-equilibrium.o: in function
`pinconf_generic_dt_node_to_map_all':
pinctrl-equilibrium.c:(.text+0xb): undefined reference
to `pinconf_generic_dt_node_to_map'
Caused by below commit
1948d5c51d ("pinctrl: Add pinmux & GPIO controller driver for a new SoC")
by adding 'depends on OF' in Kconfig driver entry.
Reported-by: Randy Dunlap <rdunlap@infradead.org>>
Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Link: https://lore.kernel.org/r/ba937f271d1a2173828a2325990d62cb36d61595.1575514110.git.rahul.tanwar@linux.intel.com
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Fix Baytrail silicon issue by using a global lock
* Fix North community pin names that user will assume their functions
* Convert Cherryview and Baytrail to pass IRQ chip along with GPIO one
The following is an automated git shortlog grouped by driver:
baytrail:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Update North Community pin list
- Really serialize all register accesses
cherryview:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Split out irq hw-init into a separate helper function
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Merge tag 'intel-pinctrl-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl for v5.5-2
* Fix Baytrail silicon issue by using a global lock
* Fix North community pin names that user will assume their functions
* Convert Cherryview and Baytrail to pass IRQ chip along with GPIO one
The following is an automated git shortlog grouped by driver:
baytrail:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Update North Community pin list
- Really serialize all register accesses
cherryview:
- Pass irqchip when adding gpiochip
- Add GPIO <-> pin mapping ranges via callback
- Split out irq hw-init into a separate helper function
This commit adds a check on ops pointer to avoid a kernel panic when
ops->strict is used. Indeed, on some pinctrl driver (at least for
pinctrl-stmfx) the pinmux ops is not implemented. Let's assume than gpio
can be used in this case.
Fixes: 472a61e777 ("pinctrl/gpio: Take MUX usage into account")
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Link: https://lore.kernel.org/r/20191204144106.10876-1-alexandre.torgue@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AST2600 pinconf is a little different from previous generations of
ASPEED BMC SoCs in terms of architecture. The pull-down setting is
per-pin setting now, and drive-strength support 4 kind of value (e.g.
4ma, 8ma, 12ma, 16ma).
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Trim unused pinctrl register macros]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-8-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since some of the AST2600 pinconf setting are not just single bit, modified
aspeed_pin_config @bit to @mask and add @mask to aspeed_pin_config_map to
support configuring multiple bits.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Tweak commit message]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-7-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AST2600 pinconf differs from the 2400 and 2500, aspeed_pin_config_map
should define separately, and add @confmaps and @nconfmaps to
aspeed_pinctrl_data structure for that change.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-6-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This helper macro is for declaring single bit (SB) mask pinconf,
and is used to prepare for modifying aspeed_pin_config
structure, the aspeed_pin_config structure @bit variable will be
modified to @mask.
This case is common in the AST2400/AST2500 which the mask is a single bit.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-5-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
AST2600 has two USB ports, A, B:
Port A supports 4 distinct modes:
1. PCIe EHCI to Hub
2. Hub to PHY
3. BMC EHCI to PHY
4. PCIe EHCI to PHY
Port B support 3 modes:
1. USB1.1 HID controller
2. USB2.0 Device controller
3. BMC EHCI port2
Implement pinmux support by mapping each ports' functions onto a single
pin group for each port.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-4-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These pins only expose a single function but are not fixed-function as
their I3C capability can be disabled.
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Tweak commit message, sort pins list]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202061432.3996-3-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Early revisions of the AST2600 datasheet are conflicted about the state
of the LPC/eSPI strapping bit (SCU510[6]). Conversations with ASPEED
determined that the reference pinmux configuration tables were in error
and the SCU documentation contained the correct configuration. Update
the driver to reflect the state described in the SCU documentation.
Fixes: 2eda1cdec4 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202050110.15340-1-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch corrects the SPDX License Identifier style in
header file related to STMicroelectronics pinctrl driver.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/14bb695da50f7af8499e7dfc32c2ab753d92a3e9.1574871463.git.nishadkamdar@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch corrects the SPDX License Identifier style in
header file related mediatek mt2712 pinctrl driver.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/2994fb2f3375790e832396cdbb0a279dc8c8839f.1574871463.git.nishadkamdar@gmail.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.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
When IRQ chip is instantiated via GPIO library flow, the few functions,
in particular the ACPI event registration mechanism, on some of ACPI based
platforms expect that the pin ranges are initialized to that point.
Add GPIO <-> pin mapping ranges via callback in the GPIO library flow.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Split out irq hw-init into a separate chv_gpio_irq_init_hw() function.
This is a preparation patch for passing the irqchip when adding the
gpiochip.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
When IRQ chip is instantiated via GPIO library flow, the few functions,
in particular the ACPI event registration mechanism, on some of ACPI based
platforms expect that the pin ranges are initialized to that point.
Add GPIO <-> pin mapping ranges via callback in the GPIO library flow.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Update North Community pin list to be more clear about pin functions.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Commit 39ce8150a0 ("pinctrl: baytrail: Serialize all register access")
added a spinlock around all register accesses because:
"There is a hardware issue in Intel Baytrail where concurrent GPIO register
access might result reads of 0xffffffff and writes might get dropped
completely."
Testing has shown that this does not catch all cases, there are still
2 problems remaining
1) The original fix uses a spinlock per byt_gpio device / struct,
additional testing has shown that this is not sufficient concurent
accesses to 2 different GPIO banks also suffer from the same problem.
This commit fixes this by moving to a single global lock.
2) The original fix did not add a lock around the register accesses in
the suspend/resume handling.
Since pinctrl-baytrail.c is using normal suspend/resume handlers,
interrupts are still enabled during suspend/resume handling. Nothing
should be using the GPIOs when they are being taken down, _but_ the
GPIOs themselves may still cause interrupts, which are likely to
use (read) the triggering GPIO. So we need to protect against
concurrent GPIO register accesses in the suspend/resume handlers too.
This commit fixes this by adding the missing spin_lock / unlock calls.
The 2 fixes together fix the Acer Switch 10 SW5-012 getting completely
confused after a suspend resume. The DSDT for this device has a bug
in its _LID method which reprograms the home and power button trigger-
flags requesting both high and low _level_ interrupts so the IRQs for
these 2 GPIOs continuously fire. This combined with the saving of
registers during suspend, triggers concurrent GPIO register accesses
resulting in saving 0xffffffff as pconf0 value during suspend and then
when restoring this on resume the pinmux settings get all messed up,
resulting in various I2C busses being stuck, the wifi no longer working
and often the tablet simply not coming out of suspend at all.
Cc: stable@vger.kernel.org
Fixes: 39ce8150a0 ("pinctrl: baytrail: Serialize all register access")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Pull irq updates from Ingo Molnar:
"Most of the IRQ subsystem changes in this cycle were irq-chip driver
updates:
- Qualcomm PDC wakeup interrupt support
- Layerscape external IRQ support
- Broadcom bcm7038 PM and wakeup support
- Ingenic driver cleanup and modernization
- GICv3 ITS preparation for GICv4.1 updates
- GICv4 fixes
There's also the series from Frederic Weisbecker that fixes memory
ordering bugs for the irq-work logic, whose primary fix is to turn
work->irq_work.flags into an atomic variable and then convert the
complex (and buggy) atomic_cmpxchg() loop in irq_work_claim() into a
much simpler atomic_fetch_or() call.
There are also various smaller cleanups"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
pinctrl/sdm845: Add PDC wakeup interrupt map for GPIOs
pinctrl/msm: Setup GPIO chip in hierarchy
irqchip/qcom-pdc: Add irqchip set/get state calls
irqchip/qcom-pdc: Add irqdomain for wakeup capable GPIOs
irqchip/qcom-pdc: Do not toggle IRQ_ENABLE during mask/unmask
irqchip/qcom-pdc: Update max PDC interrupts
of/irq: Document properties for wakeup interrupt parent
genirq: Introduce irq_chip_get/set_parent_state calls
irqdomain: Add bus token DOMAIN_BUS_WAKEUP
genirq: Fix function documentation of __irq_alloc_descs()
irq_work: Fix IRQ_WORK_BUSY bit clearing
irqchip/ti-sci-inta: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
irq_work: Slightly simplify IRQ_WORK_PENDING clearing
irq_work: Fix irq_work_claim() memory ordering
irq_work: Convert flags to atomic_t
irqchip: Ingenic: Add process for more than one irq at the same time.
irqchip: ingenic: Alloc generic chips from IRQ domain
irqchip: ingenic: Get virq number from IRQ domain
irqchip: ingenic: Error out if IRQ domain creation failed
irqchip: ingenic: Drop redundant irq_suspend / irq_resume functions
...
series:
Core changes:
- Avoid taking direct references to device tree-supplied
device names: these may changed at runtime under certain
circumstances to kstrdup them.
GPIO related:
- Work is ongoing to move to passing the irqchip along as a
templated struct gpio_irq_chip when adding a standard
gpiolib-based irqchip to a GPIO controller, a few patches
in this cycle switches a few pin control drivers over to
using this method.
New hardware support:
- Intel Lightning Mountain SoC pin controller and GPIO
support, a first Intel platform to use device tree rather
than ACPI to configure the system. News reports says that
this SoC is a network processor.
- Qualcomm MSM8976 and MSM8956
- Qualcomm PMIC GPIO now also supports PM6150 and PM6150L
- Qualcomm SPMI MPP and SPMI GPIO for PM8950 and PMI8950
- Rockchip RK3308
- Renesas R8A77961
- Allwinner Meson-A1
Driver improvements:
- get_multiple and set_multiple support for the AT91-PIO4 driver.
- Convert Qualcomm SSBI GPIO to use the hierarchical IRQ helpers
in the GPIOlib irqchip.
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Merge tag 'pinctrl-v5.5-1' 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 v5.5.
It is pretty much business as usual, the most interesting thing I
think is the pin controller for a new Intel chip called Lightning
Mountain, which is according to news reports some kind of embedded
network processor and what is surprising about it is that Intel have
decided to use device tree to describe the system rather than ACPI
that they have traditionally favored.
Core changes:
- Avoid taking direct references to device tree-supplied device
names: these may changed at runtime under certain circumstances to
kstrdup them.
GPIO related:
- Work is ongoing to move to passing the irqchip along as a templated
struct gpio_irq_chip when adding a standard gpiolib-based irqchip
to a GPIO controller, a few patches in this cycle switches a few
pin control drivers over to using this method.
New hardware support:
- Intel Lightning Mountain SoC pin controller and GPIO support, a
first Intel platform to use device tree rather than ACPI to
configure the system. News reports says that this SoC is a network
processor.
- Qualcomm MSM8976 and MSM8956
- Qualcomm PMIC GPIO now also supports PM6150 and PM6150L
- Qualcomm SPMI MPP and SPMI GPIO for PM8950 and PMI8950
- Rockchip RK3308
- Renesas R8A77961
- Allwinner Meson-A1
Driver improvements:
- get_multiple and set_multiple support for the AT91-PIO4 driver.
- Convert Qualcomm SSBI GPIO to use the hierarchical IRQ helpers in
the GPIOlib irqchip"
* tag 'pinctrl-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (93 commits)
pinctrl: ingenic: Add OTG VBUS pin for the JZ4770
pinctrl: ingenic: Handle PIN_CONFIG_OUTPUT config
pinctrl: Fix Kconfig indentation
pinctrl: lewisburg: Update pin list according to v1.1v6
MAINTAINERS: Replace my email by one @kernel.org
pinctrl: armada-37xx: Fix irq mask access in armada_37xx_irq_set_type()
dt-bindings: pinctrl: intel: Add for new SoC
pinctrl: Add pinmux & GPIO controller driver for a new SoC
pinctrl: rza1: remove unnecessary static inline function
pinctrl: meson: add pinctrl driver support for Meson-A1 SoC
pinctrl: meson: add a new callback for SoCs fixup
pinctrl: nomadik: db8500: Add mc0_a_2 pin group without direction control
dt-bindings: pinctrl: Convert generic pin mux and config properties to schema
pinctrl: cherryview: Missed type change to unsigned int
pinctrl: intel: Missed type change to unsigned int
pinctrl: use devm_platform_ioremap_resource() to simplify code
pinctrl: just return if no valid maps
dt-bindings: pinctrl: qcom-pmic-mpp: Add support for PM/PMI8950
pinctrl: qcom: spmi-mpp: Add PM/PMI8950 compatible strings
dt-bindings: pinctrl: qcom-pmic-gpio: Add support for PM/PMI8950
...
This makes the driver support the 'output-low' and 'output-high'
devicetree properties in gpio-hog sub-nodes.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20191119155211.102527-1-paul@crapouillou.net
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>
Version 1.1v6 of pin list has some changes in pin names for Intel Lewisburg.
Update the driver accordingly.
Note, it reveals the bug in the driver that misses two pins in GPP_L and
has rather two extra ones. That's why the ordering of some groups is changed.
Fixes: e480b74538 ("pinctrl: intel: Add Intel Lewisburg GPIO support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20191120133739.54332-1-andriy.shevchenko@linux.intel.com
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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>
Intel Lightning Mountain SoC has a pinmux controller & GPIO controller IP which
controls pin multiplexing & configuration including GPIO functions selection &
GPIO attributes configuration.
This IP is not based on & does not have anything in common with Chassis
specification. The pinctrl drivers under pinctrl/intel/* are all based upon
Chassis spec compliant pinctrl IPs. So this driver doesn't fit & can not use
pinctrl framework under pinctrl/intel/* and it requires a separate new driver.
Add a new GPIO & pin control framework based driver for this IP.
Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Link: https://lore.kernel.org/r/33e649758b70490f01724a887c490d5008c7656d.1573797249.git.rahul.tanwar@linux.intel.com
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Having static inline oneliner does not benefit too much when it is
only called from another oneliner function. Remove some of the
'onion'. This simplifies also the coming usage of the gpiolib
defines. We can do conversion from chip bits to gpiolib direction
defines as last step in the get_direction callback. Drivers can
use chip specific values in driver internal functions and do
conversion only once.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191113071045.GA22110@localhost.localdomain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
