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In preparation of switching all ACPI-based GPIO lookups to go through
acpi_find_gpio() we need to make sure it can handle data-only ACPI
nodes, same as existing acpi_node_get_gpiod().
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
In preparation of switching all ACPI-based GPIO lookups to go through
acpi_find_gpio() let's change it to accept device node as its argument
as we do not always have access to device structure.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
In preparation of switching all OF-based GPIO lookups to go through
of_find_gpio() let's change it to accept device node as its argument as
we do not always have access to device structure.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Added module build support for the davinci gpio driver
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Nicolas Frayer <nfrayer@baylibre.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
On i.MX8QM/QXP/DXL SoCs, even a GPIO is selected as the wakeup source,
the GPIO block will be powered off when system enters into suspend
state. This can greatly reduce the power consumption of suspend state
because the whole partition can be shutdown. This is called PAD wakeup
feature on i.MX8x platform.
This patch adds the noirq suspend/resume hooks and uses the pad wakeup
feature as the default wakeup method for GPIO modules on
i.MX8QM/QXP/DXL platforms.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20221027130859.1444412-6-shenwei.wang@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add support for HiSilicon GPIO controller in embedded platform, which
boot from devicetree.
Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Acked-by: Jay Fang <f.fangjian@huawei.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
It's actually preferable to use Generic regmap GPIO over other
simple approaches. Add a TODO item for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Bindings for Freescale PCIe controller use a separate property called
"reset-gpio-active-high" to control polarity of its reset line, add it
to the list of quirks in gpiolib so that gpiod API can be used in the
driver.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Several legacy bindings use a separate property to specify polarity of
GPIOs instead of specifying it directly in the GPIO property. Factor
out this code to make it easier to add more such cases.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Make use of device_match_of_node() instead of open coding its
functionality.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Dialog semiconductors SLG7XL45106 is an 8-bit I2C GPO expander.
The output port is controlled by a data byte with register
address. Add a compatible string for the same. Also update
the driver to write and read from it.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Add struct pca9570_platform_data for adding the platform data
structure. Also modify the existing structs for pca9570 and pca9571
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
It's possible that PCI device can provide an IO port resource for
the device. regmap MMIO currently uses MMIO by default. With an
additional flag we enable support for IO port accesses.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This driver implements a GPIO multiplexer based on latches connected to
other GPIOs. A set of data GPIOs is connected to the data input of
multiple latches. The clock input of each latch is driven by another
set of GPIOs. With two 8-bit latches 10 GPIOs can be multiplexed into
16 GPIOs. GPOs might be a better term as in fact the multiplexed pins
are output only.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[Bartosz: fixed the strange of_device_id formatting]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
When eflags has been renamed to the edflags, the kernel doc change were
missed. Update kernel doc accordingly.
Fixes: b1a92e9456 ("gpiolib: cdev: consolidate edge detector configuration flags")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
Using the METHOD_NAME__AEI macro instead of using "_AEI" directly.
Signed-off-by: Xiang Yang <xiangyang3@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The ACCES PCI-IDIO-16 device is part of the ACCES IDIO-16 family, so the
idio-16 GPIO library module is selected and utilized to consolidate
code.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The ACCES 104-IDIO-16 device is part of the ACCES IDIO-16 family, so the
idio-16 GPIO library module is selected and utilized to consolidate
code.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Exposes consumer library functions to facilitate communication with
devices within the ACCES IDIO-16 family such as the 104-IDIO-16 and
the PCI-IDIO-16.
A CONFIG_GPIO_IDIO_16 Kconfig option is introduced by this patch.
Modules wanting access to these idio-16 library functions should select
this Kconfig option and import the GPIO_IDIO_16 symbol namespace.
Cc: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Currently, we use just the fixed string "FTGPIO010" as the gpiochip name
for ftgpio010 drivers. Because it's fixed, this means we cannot
distinguish multiple ftgpio010 devices present on a single system.
This change uses the dev_name() instead, which should be unique between
multiple instances.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- group generic headers and subsystem headers
- sort each group alphabetically
While at it, fix some awkward indentations.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Rewiewed-by: Kent Gibson <warthog618@gmail.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Some of the headers are unused in the driver, remove them.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Existing DTS that use legacy (non-standard) property name for the reset
line "gpios-reset" also specify incorrect polarity (0 which maps to
"active high"). Add a quirk to force polarity to "active low" so that
once driver is converted to gpiod API that pays attention to line
polarity it will work properly.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Bindings for Freescale Fast Ethernet Controller use a separate
property "phy-reset-active-high" to specify polarity of its phy
gpio line. To allow converting the driver to gpiod API we need
to add this quirk to gpiolib.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There are several instances where we use a separate property to
override polarity specified in gpio property. Factor it out into
a separate function.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The driver is using non-standard "gpio-rtc-data", "gpio-rtc-sclk", and
"gpio-rtc-reset" names for properties describing its gpios. In
preparation to converting to the standard naming ("rtc-*-gpios") and
switching the driver to gpiod API add a quirk to gpiolib to keep
compatibility with existing DTSes.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The controller is using non-standard "cirrus,gpio-nreset" name for its
reset gpio property, whereas gpiod API expects "<name>-gpios".
Add a quirk so that gpiod API will still work on unmodified DTSes.
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The controller is using non-standard "reset-n-io" name for its reset
gpio property, whereas gpiod API expects "<name>-gpios". Add a quirk
so that gpiod API will still work on unmodified DTSes.
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Some legacy mappings used "gpio[s]-reset" instead of "reset-gpios",
add a quirk so that gpiod API will still work on unmodified DTSes.
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Tighten selection of legacy gpio renaming quirks so that they only
considered on more relevant configurations.
Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This consolidates all quirks doing simple renames (either allowing
suffix-less names or trivial renames, when index changes are not
required) into a single quirk.
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The driver is using non-standard "i2s1-in-sel-gpio1" and
"i2s1-in-sel-gpio2" names to describe its gpios. In preparation to
converting to the standard naming (i2s1-in-sel-gpios) and switching the
driver to gpiod API add a quirk to gpiolib to keep compatibility with
existing DTSes.
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Some of the headers are unused in the driver, remove them.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Some of the headers are unused in the driver, remove them.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since commit 14e85c0e69 ("gpio: remove gpio_descs global array")
there is no limitation on the number of GPIOs that can be allocated
in the system since the allocation is fully dynamic.
ARCH_NR_GPIOS is today only used in order to provide downwards
gpiobase allocation from that value, while static allocation is
performed upwards from 0. However that has the disadvantage of
limiting the number of GPIOs that can be registered in the system.
To overcome this limitation without requiring each and every
platform to provide its 'best-guess' maximum number, rework the
allocation to allocate upwards, allowing approx 2 millions of
GPIOs.
In order to still allow static allocation for legacy drivers, define
GPIO_DYNAMIC_BASE with the value 512 as the start for dynamic
allocation. The 512 value is chosen because it is the end of
the current default range so all current static allocations are
expected to be below that value. Of course that's just a rough
estimate based on the default value, but assuming static
allocations come first, even if there are more static allocations
it should fit under the 512 value.
In the future, it is expected that all static allocations go away
and then dynamic allocation will be patched to start at 0.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
In the preparation of getting completely rid of static gpiobase
allocation in the future, emit a warning in drivers still doing so.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Since commit 14e85c0e69 ("gpio: remove gpio_descs global array")
there is no global limitation anymore on the number of GPIOs in
the system so don't clamp the number of GPIOs with ARCH_NR_GPIOS.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
ARCH_NR_GPIOS is used locally in aggr_parse() as the maximum number
of GPIOs to be aggregated together by the driver since
commit ec75039d55 ("gpio: aggregator: Use bitmap_parselist() for
parsing GPIO offsets").
Don't rely on the total possible number of GPIOs in the system but
define a local arbitrary macro for that, set to 512 which should be
large enough as it is also the default value for ARCH_NR_GPIOS.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The Connext chip has 4 gpio cells looking very similar to those of the
Nomadik, whose gpio/pinctrl driver (already featuring devicetree support)
will be used instead of the sta2x11 specific one.
Signed-off-by: Davide Ciminaghi <ciminaghi@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
All these drivers have an i2c probe function which doesn't use the
"struct i2c_device_id *id" parameter, so they can trivially be
converted to the "probe_new" style of probe with a single argument.
This is part of an ongoing transition to single-argument i2c probe
functions. Old-style probe functions involve a call to i2c_match_id:
in drivers/i2c/i2c-core-base.c,
/*
* When there are no more users of probe(),
* rename probe_new to probe.
*/
if (driver->probe_new)
status = driver->probe_new(client);
else if (driver->probe)
status = driver->probe(client,
i2c_match_id(driver->id_table, client));
else
status = -EINVAL;
Drivers which don't need the second parameter can be declared using
probe_new instead, avoiding the call to i2c_match_id. Drivers which do
can still be converted to probe_new-style, calling i2c_match_id
themselves (as is done currently for of_match_id).
This change was done using the following Coccinelle script, and fixed
up for whitespace changes:
@ rule1 @
identifier fn;
identifier client, id;
@@
- static int fn(struct i2c_client *client, const struct i2c_device_id *id)
+ static int fn(struct i2c_client *client)
{
...when != id
}
@ rule2 depends on rule1 @
identifier rule1.fn;
identifier driver;
@@
struct i2c_driver driver = {
- .probe
+ .probe_new
=
(
fn
|
- &fn
+ fn
)
,
};
Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
- Core code:
- Provide a generic wrapper which can be utilized in drivers to handle
the problem of force threaded demultiplex interrupts on RT enabled
kernels. This avoids conditionals and horrible quirks in drivers all
over the place.
- Fix up affected pinctrl and GPIO drivers to make them cleanly RT safe.
- Interrupt drivers:
- A new driver for the FSL MU platform specific MSI implementation.
- Make irqchip_init() available for pure ACPI based systems.
- Provide a functional DT binding for the Realtek RTL interrupt chip.
- The usual DT updates and small code improvements all over the place.
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Merge tag 'irq-core-2022-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt updates from Thomas Gleixner:
"Core code:
- Provide a generic wrapper which can be utilized in drivers to
handle the problem of force threaded demultiplex interrupts on RT
enabled kernels. This avoids conditionals and horrible quirks in
drivers all over the place
- Fix up affected pinctrl and GPIO drivers to make them cleanly RT
safe
Interrupt drivers:
- A new driver for the FSL MU platform specific MSI implementation
- Make irqchip_init() available for pure ACPI based systems
- Provide a functional DT binding for the Realtek RTL interrupt chip
- The usual DT updates and small code improvements all over the
place"
* tag 'irq-core-2022-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
irqchip: IMX_MU_MSI should depend on ARCH_MXC
irqchip/imx-mu-msi: Fix wrong register offset for 8ulp
irqchip/ls-extirq: Fix invalid wait context by avoiding to use regmap
dt-bindings: irqchip: Describe the IMX MU block as a MSI controller
irqchip: Add IMX MU MSI controller driver
dt-bindings: irqchip: renesas,irqc: Add r8a779g0 support
irqchip/gic-v3: Fix typo in comment
dt-bindings: interrupt-controller: ti,sci-intr: Fix missing reg property in the binding
dt-bindings: irqchip: ti,sci-inta: Fix warning for missing #interrupt-cells
irqchip: Allow extra fields to be passed to IRQCHIP_PLATFORM_DRIVER_END
platform-msi: Export symbol platform_msi_create_irq_domain()
irqchip/realtek-rtl: use parent interrupts
dt-bindings: interrupt-controller: realtek,rtl-intc: require parents
irqchip/realtek-rtl: use irq_domain_add_linear()
irqchip: Make irqchip_init() usable on pure ACPI systems
bcma: gpio: Use generic_handle_irq_safe()
gpio: mlxbf2: Use generic_handle_irq_safe()
platform/x86: intel_int0002_vgpio: Use generic_handle_irq_safe()
ssb: gpio: Use generic_handle_irq_safe()
pinctrl: amd: Use generic_handle_irq_safe()
...
New drivers:
- Cypress CY8C95x0 chip pin control support, along with an immediate
cleanup.
- Mediatek MT8188 SoC pin control support.
- Qualcomm SM8450 and SC8280XP LPASS (low power audio subsystem)
pin control support.
- Qualcomm PM7250, PM8450
- Rockchip RV1126 SoC pin control support.
Improvements:
- Fix some missing pins in the Armada 37xx driver.
- Convert Broadcom and Nomadik drivers to use PINCTRL_PINGROUP() macro.
- Fix some GPIO irq_chips to be immutable.
- Massive Qualcomm device tree binding cleanup, with more to come.
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Merge tag 'pinctrl-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"There is nothing exciting going on, no core changes, just a few
drivers and cleanups.
New drivers:
- Cypress CY8C95x0 chip pin control support, along with an immediate
cleanup
- Mediatek MT8188 SoC pin control support
- Qualcomm SM8450 and SC8280XP LPASS (low power audio subsystem) pin
control support
- Qualcomm PM7250, PM8450
- Rockchip RV1126 SoC pin control support
Improvements:
- Fix some missing pins in the Armada 37xx driver
- Convert Broadcom and Nomadik drivers to use PINCTRL_PINGROUP()
macro
- Fix some GPIO irq_chips to be immutable
- Massive Qualcomm device tree binding cleanup, with more to come"
* tag 'pinctrl-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (119 commits)
MAINTAINERS: adjust STARFIVE JH7100 PINCTRL DRIVER after file movement
pinctrl: starfive: Rename "pinctrl-starfive" to "pinctrl-starfive-jh7100"
pinctrl: Create subdirectory for StarFive drivers
dt-bindings: pinctrl: st,stm32: Document interrupt-controller property
dt-bindings: pinctrl: st,stm32: Document gpio-hog pattern property
dt-bindings: pinctrl: st,stm32: Document gpio-line-names
pinctrl: st: stop abusing of_get_named_gpio()
pinctrl: wpcm450: Correct the fwnode_irq_get() return value check
pinctrl: bcm: Remove unused struct bcm6328_pingroup
pinctrl: qcom: restrict drivers per ARM/ARM64
pinctrl: bcm: ns: Remove redundant dev_err call
gpio: rockchip: request GPIO mux to pinctrl when setting direction
pinctrl: rockchip: add pinmux_ops.gpio_set_direction callback
pinctrl: cy8c95x0: Align function names in cy8c95x0_pmxops
pinctrl: cy8c95x0: Drop atomicity on operations on push_pull
pinctrl: cy8c95x0: Lock register accesses in cy8c95x0_set_mux()
pinctrl: sunxi: sun50i-h5: Switch to use dev_err_probe() helper
pinctrl: stm32: Switch to use dev_err_probe() helper
dt-bindings: qcom-pmic-gpio: Add PM7250B and PM8450 bindings
pinctrl: qcom: spmi-gpio: Add compatible for PM7250B
...
- a new driver for IBM Operational Panel
- a new driver for PinePhone keyboards
- RT5120 PMIC power key support
- various enhancements and support for new models in xpad (Xbox) driver
- a new compatible ID for Elan touchscreen driver
- rework of adp5588-keys driver to support configuring via device
properties (OF, ACPI, etc) instead of platform data, and proper support
of optional gpiochip functionality (and removal of gpio-adp5588 driver)
- improvements to firmware update handling in Synaptics RMI4 driver
- support for double key matrix in mt6779-keypad
- support for polled mode in adc-joystick driver
- other assorted driver fixes, cleanups and improvements.
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Merge tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for IBM Operational Panel
- a new driver for PinePhone keyboards
- RT5120 PMIC power key support
- various enhancements and support for new models in xpad (Xbox) driver
- a new compatible ID for Elan touchscreen driver
- rework of adp5588-keys driver to support configuring via device
properties (OF, ACPI, etc) instead of platform data, and proper
support of optional gpiochip functionality (and removal of
gpio-adp5588 driver)
- improvements to firmware update handling in Synaptics RMI4 driver
- support for double key matrix in mt6779-keypad
- support for polled mode in adc-joystick driver
- other assorted driver fixes, cleanups and improvements
* tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (90 commits)
Input: i8042 - fix refount leak on sparc
Input: i8042 - add LoongArch support in i8042-acpipnpio.h
Input: i8042 - rename i8042-x86ia64io.h to i8042-acpipnpio.h
Input: pinephone-keyboard - support the proxied I2C bus
Input: pinephone-keyboard - add PinePhone keyboard driver
dt-bindings: input: Add the PinePhone keyboard binding
dt-bindings: input: Convert hid-over-i2c to DT schema
input: drop empty comment blocks
Input: xpad - add X-Box Adaptive Profile button
Input: add ABS_PROFILE to uapi and documentation
Input: xpad - add X-Box Adaptive XBox button
Input: xpad - add X-Box Adaptive support
Input: ims-pcu - fix spelling mistake "BOOLTLOADER" -> "BOOTLOADER"
Input: ibm-panel - add missing MODULE_DEVICE_TABLE
Input: icn8505 - utilize acpi_get_subsystem_id()
Input: xpad - decipher xpadone packages with GIP defines
Input: xpad - refactor using BIT() macro
Input: synaptics-rmi4 - convert to use sysfs_emit() APIs
Input: twl4030-pwrbutton - add missing of.h include
Input: applespi - replace zero-length array with DECLARE_FLEX_ARRAY() helper
...
- Fix ACPI device object reference counting in (recently updated)
skl_int3472_fill_clk_pdata() (Andy Shevchenko).
- Fix a memory leak in APEI by avoiding to add a task_work to kernel
threads running when an asynchronous error is detected (Shuai Xue).
- Add ACPI support for handling system wakeups via GPIO wake capable
IRQs in addition to GPEs (Raul E Rangel).
- Make the system reboot code put ACPI-enabled systems into the S5
(system off) state which is necessary for some platforms to work as
expected (Kai-Heng Feng).
- Make the white space usage in the ACPI thermal driver more consistent
and drop redundant code from it (Rafael Wysocki).
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Merge tag 'acpi-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These fix two issues, in APEI and in the int3472 driver, clean up the
ACPI thermal driver, add ACPI support for non-GPE system wakeup events
and make the system reboot code use the S5 (system off) state by
default.
Specifics:
- Fix ACPI device object reference counting in (recently updated)
skl_int3472_fill_clk_pdata() (Andy Shevchenko).
- Fix a memory leak in APEI by avoiding to add a task_work to kernel
threads running when an asynchronous error is detected (Shuai Xue).
- Add ACPI support for handling system wakeups via GPIO wake capable
IRQs in addition to GPEs (Raul E Rangel).
- Make the system reboot code put ACPI-enabled systems into the S5
(system off) state which is necessary for some platforms to work as
expected (Kai-Heng Feng).
- Make the white space usage in the ACPI thermal driver more
consistent and drop redundant code from it (Rafael Wysocki)"
* tag 'acpi-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: thermal: Drop some redundant code
ACPI: thermal: Drop redundant parens from expressions
ACPI: thermal: Use white space more consistently
platform/x86: int3472: Don't leak reference on error
ACPI: APEI: do not add task_work to kernel thread to avoid memory leak
PM: ACPI: reboot: Reinstate S5 for reboot
kernel/reboot: Add SYS_OFF_MODE_RESTART_PREPARE mode
ACPI: PM: Take wake IRQ into consideration when entering suspend-to-idle
i2c: acpi: Use ACPI wake capability bit to set wake_irq
ACPI: resources: Add wake_capable parameter to acpi_dev_irq_flags
gpiolib: acpi: Add wake_capable variants of acpi_dev_gpio_irq_get
Merge additional APEI changes, ACPI updates related to device wakeup and
system restart and ACPI thermal driver cleanups for 6.1-rc1:
- Fix a memory leak in APEI by avoiding to add do not add task_work to
kernel threads running when an asynchronous error is detected (Shuai
Xue).
- Add ACPI support for handling system wakeups via GPIO wake capable
IRQs in addition to GPEs (Raul E Rangel).
- Make the system reboot code put ACPI-enabled systems into the S5
(system off) state which is necessary for some platforms to work as
expected (Kai-Heng Feng).
- Make the white space usage in the ACPI thermal driver more consistent
and drop redundant code from it (Rafael Wysocki).
* acpi-apei:
ACPI: APEI: do not add task_work to kernel thread to avoid memory leak
* acpi-wakeup:
ACPI: PM: Take wake IRQ into consideration when entering suspend-to-idle
i2c: acpi: Use ACPI wake capability bit to set wake_irq
ACPI: resources: Add wake_capable parameter to acpi_dev_irq_flags
gpiolib: acpi: Add wake_capable variants of acpi_dev_gpio_irq_get
* acpi-reboot:
PM: ACPI: reboot: Reinstate S5 for reboot
kernel/reboot: Add SYS_OFF_MODE_RESTART_PREPARE mode
* acpi-thermal:
ACPI: thermal: Drop some redundant code
ACPI: thermal: Drop redundant parens from expressions
ACPI: thermal: Use white space more consistently
New drivers:
- add a new driver for the IMX System Controller Unit GPIOs
GPIO core:
- add fdinfo output for the GPIO character device file descriptors (allows
user-space to determine which processes own which GPIO lines)
- improvements to OF GPIO code
- new quirk for Asus UM325UAZ in gpiolib-acpi
- new quirk for Freescale SPI in gpiolib-of
Driver improvements:
- add a new macro that reduces the amount of boilerplate code in ISA drivers
and use it in relevant drivers
- support two new models in gpio-pca953x
- support new model in gpio-f7188x
- convert more drivers to use immutable irq chips
- other minor tweaks
Device-tree bindings:
- add DT bindings for gpio-imx-scu
- convert Xilinx GPIO bindings to YAML
- reference the properties from the SPI peripheral device-tree bindings
instead of providing custom ones in the GPIO controller document
- add parsing of GPIO hog nodes to the DT bindings for gpio-mpfs-gpio
- relax the node name requirements in gpio-stmpe
- add new models for gpio-rcar and gpio-pxa95xx
- add a new vendor prefix: Diodes (for Diodes, Inc.)
Misc:
- pulled in the immutable branch from the x86 platform drivers tree including
support for a new simatic board that depends on GPIO changes
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Merge tag 'gpio-updates-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have a single new driver, support for a bunch of new models,
improvements in drivers and core gpiolib code as well device-tree
bindings changes.
Summary:
New driver:
- IMX System Controller Unit GPIOs
GPIO core:
- add fdinfo output for the GPIO character device file descriptors
(allows user-space to determine which processes own which GPIO
lines)
- improvements to OF GPIO code
- new quirk for Asus UM325UAZ in gpiolib-acpi
- new quirk for Freescale SPI in gpiolib-of
Driver improvements:
- add a new macro that reduces the amount of boilerplate code in ISA
drivers and use it in relevant drivers
- support two new models in gpio-pca953x
- support new model in gpio-f7188x
- convert more drivers to use immutable irq chips
- other minor tweaks
Device-tree bindings:
- add DT bindings for gpio-imx-scu
- convert Xilinx GPIO bindings to YAML
- reference the properties from the SPI peripheral device-tree
bindings instead of providing custom ones in the GPIO controller
document
- add parsing of GPIO hog nodes to the DT bindings for gpio-mpfs-gpio
- relax the node name requirements in gpio-stmpe
- add new models for gpio-rcar and gpio-pxa95xx
- add a new vendor prefix: Diodes (for Diodes, Inc.)
Misc:
- pulled in the immutable branch from the x86 platform drivers tree
including support for a new simatic board that depends on GPIO
changes"
* tag 'gpio-updates-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (36 commits)
gpio: tc3589x: Make irqchip immutable
gpiolib: cdev: add fdinfo output for line request file descriptors
gpio: twl4030: Reorder functions which allows to drop a forward declaraion
gpiolib: fix OOB access in quirk callbacks
gpiolib: of: factor out conversion from OF flags
gpiolib: rework quirk handling in of_find_gpio()
gpiolib: of: make Freescale SPI quirk similar to all others
gpiolib: of: do not ignore requested index when applying quirks
gpio: ws16c48: Ensure number of irq matches number of base
gpio: 104-idio-16: Ensure number of irq matches number of base
gpio: 104-idi-48: Ensure number of irq matches number of base
gpio: 104-dio-48e: Ensure number of irq matches number of base
counter: 104-quad-8: Ensure number of irq matches number of base
isa: Introduce the module_isa_driver_with_irq helper macro
gpio: pca953x: Add support for PCAL6534
gpio: pca953x: Swap if statements to save later complexity
gpio: pca953x: Fix pca953x_gpio_set_pull_up_down()
dt-bindings: gpio: pca95xx: add entry for pcal6534 and PI4IOE5V6534Q
dt-bindings: vendor-prefixes: add Diodes
gpio: mt7621: Switch to use platform_get_irq() function
...
Highlights:
- AMD Platform Management Framework (PMF) driver with AMT and QnQF support
- AMD PMC: Improved logging for debugging s2idle issues
- Big refactor of the ACPI/x86 backlight handling, ensuring that we only
register 1 /sys/class/backlight device per LCD panel
- Microsoft Surface:
- Surface Laptop Go 2 support
- Surface Pro 8 HID sensor support
- Asus WMI:
- Lots of cleanups
- Support for TUF RGB keyboard backlight control
- Add support for ROG X13 tablet mode
- Siemens Simatic: IPC227G and IPC427G support
- Toshiba ACPI laptop driver: Fan hwmon and battery ECO mode support
- tools/power/x86/intel-speed-select: Various improvements
- Various cleanups
- Various small bugfixes
The following is an automated git shortlog grouped by driver:
ACPI:
- video: Change disable_backlight_sysfs_if quirks to acpi_backlight=native
- s2idle: Add a new ->check() callback for platform_s2idle_ops
- video: Fix indentation of video_detect_dmi_table[] entries
- video: Drop NL5x?U, PF4NU1F and PF5?U?? acpi_backlight=native quirks
- video: Drop "Samsung X360" acpi_backlight=native quirk
- video: Remove acpi_video_set_dmi_backlight_type()
- video: Add Apple GMUX brightness control detection
- video: Add Nvidia WMI EC brightness control detection (v3)
- video: Refactor acpi_video_get_backlight_type() a bit
- video: Remove code to unregister acpi_video backlight when a native backlight registers
- video: Make backlight class device registration a separate step (v2)
- video: Simplify acpi_video_unregister_backlight()
- video: Remove acpi_video_bus from list before tearing it down
- video: Drop backlight_device_get_by_type() call from acpi_video_get_backlight_type()
- video: Add acpi_video_backlight_use_native() helper
acer-wmi:
- Move backlight DMI quirks to acpi/video_detect.c
- Acer Aspire One AOD270/Packard Bell Dot keymap fixes
apple-gmux:
- Stop calling acpi/video.h functions
asus-wmi:
- Expand support of GPU fan to read RPM and label
- Make kbd_rgb_mode_groups static
- Move acpi_backlight=native quirks to ACPI video_detect.c
- Move acpi_backlight=vendor quirks to ACPI video_detect.c
- Drop DMI chassis-type check from backlight handling
- Increase FAN_CURVE_BUF_LEN to 32
- Fix the name of the mic-mute LED classdev
- Implement TUF laptop keyboard power states
- Implement TUF laptop keyboard LED modes
- Support the GPU fan on TUF laptops
- Modify behaviour of Fn+F5 fan key
- Update tablet_mode_sw module-param help text
- Simplify tablet-mode-switch handling
- Simplify tablet-mode-switch probing
- Add support for ROG X13 tablet mode
- Adjust tablet/lidflip handling to use enum
- Support the hardware GPU MUX on some laptops
- Simplify some of the *_check_present() helpers
- Refactor panel_od attribute
- Refactor egpu_enable attribute
- Refactor disable_gpu attribute
- Document the panel_od sysfs attribute
- Document the egpu_enable sysfs attribute
- Document the dgpu_disable sysfs attribute
- Use kobj_to_dev()
- Convert all attr-show to use sysfs_emit
compal-laptop:
- Get rid of a few forward declarations
dell-privacy:
- convert to use dev_groups
dell-smbios-base:
- Use sysfs_emit()
dell-wmi:
- Add WMI event 0x0012 0x0003 to the list
docs:
- ABI: charge_control_end_threshold may not support all values
drivers/platform:
- toshiba_acpi: Call HCI_PANEL_POWER_ON on resume on some models
drm/amdgpu:
- Register ACPI video backlight when skipping amdgpu backlight registration
- Don't register backlight when another backlight should be used (v3)
drm/i915:
- Call acpi_video_register_backlight() (v3)
- Don't register backlight when another backlight should be used (v2)
drm/nouveau:
- Register ACPI video backlight when nv_backlight registration fails (v2)
- Don't register backlight when another backlight should be used (v2)
drm/radeon:
- Register ACPI video backlight when skipping radeon backlight registration
- Don't register backlight when another backlight should be used (v3)
drm/todo:
- Add entry about dealing with brightness control on devices with > 1 panel
gpio-f7188x:
- use unique labels for banks/chips
- Add GPIO support for Nuvoton NCT6116
- add a prefix to macros to keep gpio namespace clean
- switch over to using pr_fmt
hp-wmi:
- Support touchpad on/off
- Setting thermal profile fails with 0x06
int3472/discrete:
- Drop a forward declaration
intel-uncore-freq:
- Use sysfs_emit() to instead of scnprintf()
intel_cht_int33fe:
- Fix comment according to the code flow
leds:
- simatic-ipc-leds-gpio: Make simatic_ipc_led_gpio_table static
- simatic-ipc-leds-gpio: add new model 227G
move from strlcpy with unused retval to strscpy:
- move from strlcpy with unused retval to strscpy
msi-laptop:
- Change DMI match / alias strings to fix module autoloading
- Add msi_scm_disable_hw_fn_handling() helper
- Add msi_scm_model_exit() helper
- Fix resource cleanup
- Simplify ec_delay handling
- Fix old-ec check for backlight registering
- Drop MSI_DRIVER_VERSION
- Use MODULE_DEVICE_TABLE()
nvidia-wmi-ec-backlight:
- Use acpi_video_get_backlight_type()
- Move fw interface definitions to a header (v2)
p2sb:
- Fix UAF when caller uses resource name
platform/mellanox:
- mlxreg-lc: Make error handling flow consistent
- Remove redundant 'NULL' check
- Remove unnecessary code
- mlxreg-lc: Fix locking issue
- mlxreg-lc: Fix coverity warning
platform/surface:
- Split memcpy() of struct ssam_event flexible array
- aggregator_registry: Add HID devices for sensors and UCSI client to SP8
- aggregator_registry: Rename HID device nodes based on new findings
- aggregator_registry: Rename HID device nodes based on their function
- aggregator_registry: Add support for Surface Laptop Go 2
platform/x86:
- use PLATFORM_DEVID_NONE instead of -1
platform/x86/amd:
- pmc: Dump idle mask during "check" stage instead
- pmc: remove CONFIG_DEBUG_FS checks
- pmc: Fix build without debugfs
- pmc: Add sysfs files for SMU
- pmc: Add an extra STB message for checking s2idle entry
- pmc: Always write to the STB
- pmc: Add defines for STB events
platform/x86/amd/pmf:
- Remove unused power_delta instances
- install notify handler after acpi init
- Add sysfs to toggle CnQF
- Add support for CnQF
- Fix clang unused variable warning
- Fix undefined reference to platform_profile
- Force load driver on older supported platforms
- Handle AMT and CQL events for Auto mode
- Add support for Auto mode feature
- Get performance metrics from PMFW
- Add fan control support
- Add heartbeat signal support
- Add debugfs information
- Add support SPS PMF feature
- Add support for PMF APCI layer
- Add support for PMF core layer
- Add ABI doc for AMD PMF
- Add AMD PMF driver entry
platform/x86/intel/wmi:
- thunderbolt: Use dev_groups callback
pmc_atom:
- Amend comment style and grammar
- Make terminator entry uniform
- Improve quirk message to be less cryptic
- Fix SLP_TYPx bitfield mask
samsung-laptop:
- Move acpi_backlight=[vendor|native] quirks to ACPI video_detect.c
simatic-ipc:
- add new model 427G
- enable watchdog for 227G
thinkpad_acpi:
- Explicitly set to balanced mode on startup
tools/power/x86/intel-speed-select:
- Release v1.13
- Optimize CPU initialization
- Utilize cpu_map to get physical id
- Remove unused struct clos_config fields
- Enforce isst_id value
- Do not export get_physical_id
- Introduce is_cpu_in_power_domain helper
- Cleanup get_physical_id usage
- Convert more function to use isst_id
- Add pkg and die in isst_id
- Introduce struct isst_id
- Remove unused core_mask array
- Remove dead code
- Fix cpu count for TDP level display
toshiba_acpi:
- change turn_on_panel_on_resume to static
- Remove duplicate include
- Set correct parent for input device.
- Add fan RPM reading (hwmon interface)
- Add fan RPM reading (internals)
- Stop using acpi_video_set_dmi_backlight_type()
- Fix ECO LED control on Toshiba Z830
- Battery charge mode in toshiba_acpi (internals)
- Battery charge mode in toshiba_acpi (sysfs)
wmi:
- Drop forward declaration of static functions
- Allow duplicate GUIDs for drivers that use struct wmi_driver
x86-android-tablets:
- Fix broken touchscreen on Chuwi Hi8 with Windows BIOS
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Merge tag 'platform-drivers-x86-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- AMD Platform Management Framework (PMF) driver with AMT and QnQF
support
- AMD PMC: Improved logging for debugging s2idle issues
- Big refactor of the ACPI/x86 backlight handling, ensuring that we
only register 1 /sys/class/backlight device per LCD panel
- Microsoft Surface:
- Surface Laptop Go 2 support
- Surface Pro 8 HID sensor support
- Asus WMI:
- Lots of cleanups
- Support for TUF RGB keyboard backlight control
- Add support for ROG X13 tablet mode
- Siemens Simatic: IPC227G and IPC427G support
- Toshiba ACPI laptop driver: Fan hwmon and battery ECO mode support
- tools/power/x86/intel-speed-select: Various improvements
- Various cleanups
- Various small bugfixes
* tag 'platform-drivers-x86-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (153 commits)
platform/x86: use PLATFORM_DEVID_NONE instead of -1
platform/x86/amd: pmc: Dump idle mask during "check" stage instead
platform/x86/intel/wmi: thunderbolt: Use dev_groups callback
platform/x86/amd: pmc: remove CONFIG_DEBUG_FS checks
platform/surface: Split memcpy() of struct ssam_event flexible array
platform/x86: compal-laptop: Get rid of a few forward declarations
platform/x86: intel-uncore-freq: Use sysfs_emit() to instead of scnprintf()
platform/x86: dell-smbios-base: Use sysfs_emit()
platform/x86/amd/pmf: Remove unused power_delta instances
platform/x86/amd/pmf: install notify handler after acpi init
Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF
platform/x86/amd/pmf: Add sysfs to toggle CnQF
platform/x86/amd/pmf: Add support for CnQF
platform/x86/amd: pmc: Fix build without debugfs
platform/x86: hp-wmi: Support touchpad on/off
platform/x86: int3472/discrete: Drop a forward declaration
platform/x86: toshiba_acpi: change turn_on_panel_on_resume to static
platform/x86: wmi: Drop forward declaration of static functions
platform/x86: toshiba_acpi: Remove duplicate include
platform/x86: msi-laptop: Change DMI match / alias strings to fix module autoloading
...
fixes all over the tree. Other subsystems depending on this change
have been asked to pull an immutable topic branch for this.
* new driver for Microchip PCI1xxxx switch
* heavy refactoring of the Mellanox BlueField driver
* we prefer async probe in the i801 driver now
* the rest is usual driver updates (support for more SoCs, some
refactoring, some feature additions)
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Merge tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- 'remove' callback converted to return void. Big change with trivial
fixes all over the tree. Other subsystems depending on this change
have been asked to pull an immutable topic branch for this.
- new driver for Microchip PCI1xxxx switch
- heavy refactoring of the Mellanox BlueField driver
- we prefer async probe in the i801 driver now
- the rest is usual driver updates (support for more SoCs, some
refactoring, some feature additions)
* tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (37 commits)
i2c: pci1xxxx: prevent signed integer overflow
i2c: acpi: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
i2c: i801: Prefer async probe
i2c: designware-pci: Use standard pattern for memory allocation
i2c: designware-pci: Group AMD NAVI quirk parts together
i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch
docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE_REQUESTED
i2c: mlxbf: remove device tree support
i2c: mlxbf: support BlueField-3 SoC
i2c: cadence: Add standard bus recovery support
i2c: mlxbf: add multi slave functionality
i2c: mlxbf: support lock mechanism
macintosh/ams: Adapt declaration of ams_i2c_remove() to earlier change
i2c: riic: Use devm_platform_ioremap_resource()
i2c: mlxbf: remove IRQF_ONESHOT
dt-bindings: i2c: rockchip: add rockchip,rk3128-i2c
dt-bindings: i2c: renesas,rcar-i2c: Add r8a779g0 support
i2c: tegra: Add GPCDMA support
i2c: scmi: Convert to be a platform driver
i2c: rk3x: Add rv1126 support
...
The ACPI spec defines the SharedAndWake and ExclusiveAndWake share type
keywords. This is an indication that the GPIO IRQ can also be used as a
wake source. This change exposes the wake_capable bit so drivers can
correctly enable wake functionality instead of making an assumption.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Before the split of gpio and pinctrl sections in their own driver,
rockchip_set_mux was called in pinmux_ops.gpio_set_direction for
configuring a pin in its GPIO function.
This is essential for cases where pinctrl is "bypassed" by gpio
consumers otherwise the GPIO function is not configured for the pin and
it does not work. Such was the case for the sysfs/libgpiod userspace
GPIO handling.
Let's call pinctrl_gpio_direction_input/output when setting the
direction of a GPIO so that the pinctrl core requests from the rockchip
pinctrl driver to put the pin in its GPIO function.
Fixes: 9ce9a02039 ("pinctrl/rockchip: drop the gpio related codes")
Fixes: 936ee2675e ("gpio/rockchip: add driver for rockchip gpio")
Cc: stable@vger.kernel.org
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Link: https://lore.kernel.org/r/20220930132033.4003377-3-foss+kernel@0leil.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add fdinfo output for file descriptors created for user-space line
requests in GPIO uAPI v2. The fdinfo file now contains the name of the
GPIO chip that is the "parent" of the request as well as offsets of
the lines requested. This allows user-space to parse the /proc/$PID/fdinfo
entries and deduce the PID of the process that requested a specific line.
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
pwm support incompatible with Armada 80x0/70x0 API is not only in
Armada 370, but also in Armada XP, 38x and 39x. So basically every non-A8K
platform. Fix check for pwm support appropriately.
Fixes: 85b7d8abfe ("gpio: mvebu: add pwm support for Armada 8K/7K")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
When running gpio test on nxp-ls1028 platform with below command
gpiomon --num-events=3 --rising-edge gpiochip1 25
There will be a warning trace as below:
Call trace:
free_irq+0x204/0x360
lineevent_free+0x64/0x70
gpio_ioctl+0x598/0x6a0
__arm64_sys_ioctl+0xb4/0x100
invoke_syscall+0x5c/0x130
......
el0t_64_sync+0x1a0/0x1a4
The reason of this issue is that calling request_threaded_irq()
function failed, and then lineevent_free() is invoked to release
the resource. Since the lineevent_state::irq was already set, so
the subsequent invocation of free_irq() would trigger the above
warning call trace. To fix this issue, set the lineevent_state::irq
after the IRQ register successfully.
Fixes: 4682427241 ("gpiolib: cdev: refactor lineevent cleanup into lineevent_free")
Cc: stable@vger.kernel.org
Signed-off-by: Meng Li <Meng.Li@windriver.com>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The commit 924610607f ("gpio: tpmx86: Move PM device over to
irq domain") adds a dereference of girq that may be uninitialized.
Fix this by moving irq_domain_set_pm_device into if true branch
as suggested by Marc Zyngier.
Fixes: 924610607f ("gpio: tpmx86: Move PM device over to irq domain")
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This turns the FTGPIO010 irqchip immutable.
Tested on the D-Link DIR-685.
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
If creation of software node fails, the locally allocated string
array is left unfreed. Free it on error path.
Fixes: 6fda593f30 ("gpio: mockup: Convert to use software nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
We now remove the device's debugfs entries when unbinding the driver.
This now causes a NULL-pointer dereference on module exit because the
platform devices are unregistered *after* the global debugfs directory
has been recursively removed. Fix it by unregistering the devices first.
Fixes: 303e6da994 ("gpio: mockup: remove gpio debugfs when remove device")
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
* Add a quirk for Asus UM325UAZ to make GPIO interrupts working
The following is an automated git shortlog grouped by driver:
gpiolib:
- acpi: Add a quirk for Asus UM325UAZ
- acpi: Add support to ignore programming an interrupt
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Merge tag 'intel-gpio-v6.1-1' of gitolite.kernel.org:pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-next
intel-gpio for v6.1-1
* Add a quirk for Asus UM325UAZ to make GPIO interrupts working
There is no cyclic dependency between gpio_twl4030_probe() and
gpio_twl4030_remove(), so by moving the latter before the former the
forward declaration can be dropped.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Commit a2b5e207ca ("gpiolib: rework quirk handling in of_find_gpio()")
introduced an array of quirk functions which get iterated over. But a
sentinal value is missing. Add it.
Fixes: a2b5e207ca ("gpiolib: rework quirk handling in of_find_gpio()")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force
threaded and runs with interrupts enabled. The invocation of
generic_handle_irq() with interrupts enabled triggers a lockdep warning due
to a non-irq safe lock acquisition.
Instead of disabling interrupts on the driver level, use
generic_handle_domain_irq_safe().
[ tglx: Split out from combo patch ]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de
- fix the level-low interrupt type support in gpio-mpc8xxx
- convert another two drivers to using immputable irq chips
- MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix the level-low interrupt type support in gpio-mpc8xxx
- convert another two drivers to using immutable irq chips
- MAINTAINERS update
* tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mt7621: Make the irqchip immutable
gpio: ixp4xx: Make irqchip immutable
MAINTAINERS: Update HiSilicon GPIO Driver maintainer
gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type in mpc85xx
- Fix IRQ wakeup and pins for UFS and SDC2 issues on the
Qualcomm SC8180x
- Fix the Rockchip driver to support interrupt on both rising
and falling edges.
- Name the Allwinner A100 R_PIO properly
- Fix several issues with the Ocelot interrupts.
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Merge tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Nothing special, just driver fixes:
- Fix IRQ wakeup and pins for UFS and SDC2 issues on the Qualcomm
SC8180x
- Fix the Rockchip driver to support interrupt on both rising and
falling edges.
- Name the Allwinner A100 R_PIO properly
- Fix several issues with the Ocelot interrupts"
* tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: ocelot: Fix interrupt controller
pinctrl: sunxi: Fix name for A100 R_PIO
pinctrl: rockchip: Enhance support for IRQ_TYPE_EDGE_BOTH
pinctrl: qcom: sc8180x: Fix wrong pin numbers
pinctrl: qcom: sc8180x: Fix gpio_wakeirq_map
There are several places where we need to convert from OF flags to
"normal" GPIO_* flags, so let's introduce a helper and use it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Instead of having a string of "if" statements let's put all quirks into
an array and iterate over them.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
There is no need for of_find_spi_cs_gpio() to be different from other
quirks: the only variant of property actually used in DTS is "gpios"
(plural) so we can use of_get_named_gpiod_flags() instead of recursing
into of_find_gpio() again.
This will allow us consolidate quirk handling down the road.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
We should not ignore index passed into of_find_gpio() when handling
quirks. While in practice this change will not have any effect, it
will allow consolidate quirk handling.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The ws16c48 module calls devm_request_irq() for each device. If the
number of irq passed to the module does not match the number of base, a
default value of 0 is passed to devm_request_irq(). IRQ 0 is probably
not what the user wants, so utilize the module_isa_driver_with_irq macro
to ensure the number of irq matches the number of base.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The 104-idio-16 module calls devm_request_irq() for each device. If the
number of irq passed to the module does not match the number of base, a
default value of 0 is passed to devm_request_irq(). IRQ 0 is probably
not what the user wants, so utilize the module_isa_driver_with_irq macro
to ensure the number of irq matches the number of base.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The 104-idi-48 module calls devm_request_irq() for each device. If the
number of irq passed to the module does not match the number of base, a
default value of 0 is passed to devm_request_irq(). IRQ 0 is probably
not what the user wants, so utilize the module_isa_driver_with_irq macro
to ensure the number of irq matches the number of base.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The 104-dio-48e module calls devm_request_irq() for each device. If the
number of irq passed to the module does not match the number of base, a
default value of 0 is passed to devm_request_irq(). IRQ 0 is probably
not what the user wants, so utilize the module_isa_driver_with_irq macro
to ensure the number of irq matches the number of base.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Add support for the NXP PCAL6534. This device is broadly a 34-bit version
of the PCAL6524. However, whilst the registers are broadly what you'd
expect for a 34-bit version of the PCAL6524, the spacing of the registers
has been compacted. This has the unfortunate effect of breaking the bit
shift based mechanism that is employed to work out register locations used
by the other chips supported by this driver. To accommodate ths, callback
functions have been added to allow alterate implementations of
pca953x_recalc_addr() and pca953x_check_register() for the PCAL6534.
Datasheet: https://www.nxp.com/docs/en/data-sheet/PCAL6534.pdf
Datasheet: https://www.diodes.com/assets/Datasheets/PI4IOE5V6534Q.pdf
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
A later patch in the series adds support for a further chip type that
shares some similarity with the PCA953X_TYPE. In order to keep the logic
simple, swap over the if and else portions where checks are made against
PCA953X_TYPE and instead check for PCA957X_TYPE.
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
A previous fix, commit dc87f6dd05 ("gpio: pca953x: Fix
pca953x_gpio_set_config"), identified that pinconf_to_config_param() needed
to be used to isolate the config_param from the pinconf in
pca953x_gpio_set_config(). This fix however did not consider that this
would also be needed in pca953x_gpio_set_pull_up_down() to which it passes
this config.
Perform a similar call in pca953x_gpio_set_pull_up_down() to isolate the
configuration parameter there as well, rather than passing it from
pca953x_gpio_set_config() as the configuration argument may also be needed
in pca953x_gpio_set_pull_up_down() at a later date.
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Mt7621 SoC GPIO driver is a platform driver so we can directly use
'platform_get_irq' instead of 'irq_of_parse_and_map'.
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Commit 6c846d026d ("gpio: Don't fiddle with irqchips marked as
immutable") added a warning to indicate if the gpiolib is altering the
internals of irqchips. Following this change the following warnings
are now observed for the mt7621 driver:
gpio gpiochip0: (1e000600.gpio-bank0): not an immutable chip, please consider fixing it!
gpio gpiochip1: (1e000600.gpio-bank1): not an immutable chip, please consider fixing it!
gpio gpiochip2: (1e000600.gpio-bank2): not an immutable chip, please consider fixing it!
Fix this by making the irqchip in the mt7621 driver immutable.
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This turns the IXP4xx GPIO irqchip into an immutable
irqchip, a bit different from the standard template due
to being hierarchical.
Tested on the IXP4xx which uses drivers/ata/pata_ixp4xx_cf.c
for a rootfs on compact flash with IRQs from this GPIO
block to the CF ATA controller.
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Commit e39d5ef678 ("powerpc/5xxx: extend mpc8xxx_gpio driver to support
mpc512x gpios") implemented support for IRQ_TYPE_LEVEL_LOW flow type in
mpc512x via falling edge type. Do same for mpc85xx which support was added
in commit 345e5c8a1c ("powerpc: Add interrupt support to mpc8xxx_gpio").
Fixes probing of lm90 hwmon driver on mpc85xx based board which use level
interrupt. Without it kernel prints error and refuse lm90 to work:
[ 15.258370] genirq: Setting trigger mode 8 for irq 49 failed (mpc8xxx_irq_set_type+0x0/0xf8)
[ 15.267168] lm90 0-004c: cannot request IRQ 49
[ 15.272708] lm90: probe of 0-004c failed with error -22
Fixes: 345e5c8a1c ("powerpc: Add interrupt support to mpc8xxx_gpio")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Asus UM325UAZ has GPIO 18 programmed as both an interrupt and a wake
source, but confirmed with internal team on this design this pin is
floating and shouldn't have been programmed. This causes lots of
spurious IRQs on the system and horrendous battery life.
Add a quirk to ignore attempts to program this pin on this system.
Reported-by: Pavel Krc <reg.krn@pkrc.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216208
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
gpiolib-acpi already had support for ignoring a pin for wakeup, but
if an OEM configures a floating pin as an interrupt source then
stopping it from being a wakeup won't do much good to stop the
interrupt storm.
Add support for a module parameter and quirk infrastructure to
ignore interrupts as well.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
When EXAR xr17v35x chips are cascaded in order to access the MPIO registers
(part of the Device Configuration Registers) of the secondary chips, an offset
needs to be applied based on the number of primary chip's UART channels.
Signed-off-by: Qingtao Cao <qingtao.cao@digi.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
There are no external users of fwnode_get_named_gpiod() anymore, so
let's stop exporting it and mark it as static.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
v6.0-rc1 + "[PATCH v6 0/7] add support for another simatic board" series
for merging into the gpio, leds and pdx86 subsystems.
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Merge tag 'platform-drivers-x86-simatec-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into gpio/for-next
Tag (immutable branch) for:
v6.0-rc1 + "[PATCH v6 0/7] add support for another simatic board" series
for merging into the gpio, leds and pdx86 subsystems.
So that drivers building on top can find those pins with GPIO_LOOKUP
helpers.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220825104422.14156-5-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add GPIO support for Nuvoton NCT6116 chip. Nuvoton SuperIO chips are
very similar to the ones from Fintek. In other subsystems they also
share drivers and are called a family of drivers.
For the GPIO subsystem the only difference is that the direction bit is
reversed and that there is only one data bit per pin. On the SuperIO
level the logical device is another one.
On a chip level we do not have a manufacturer ID to check and also no
revision.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220825104422.14156-4-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Subsequent patches will touch that file, apply some nice to have style
changes before actually adding functional changes.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220825104422.14156-3-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Subsequent patches will touch that file, apply some nice to have style
changes before actually adding functional changes.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220825104422.14156-2-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
By using 16-bit I/O on the GPIO peripheral, which is apparently not safe
on MIPS, the IMR can end up containing garbage. This then results in
interrupt triggers for lines that don't have an interrupt handler
associated. The irq_desc lookup fails, and the ISR will not be cleared,
keeping the CPU busy until reboot, or until another IMR operation
restores the correct value. This situation appears to happen very
rarely, for < 0.5% of IMR writes.
Instead of using 8-bit or 16-bit I/O operations on the 32-bit memory
mapped peripheral registers, switch to using 32-bit I/O only, operating
on the entire bank for all single bit line settings. For 2-bit line
settings, with 16-bit port values, stick to manual (un)packing.
This issue has been seen on RTL8382M (HPE 1920-16G), RTL8391M (Netgear
GS728TP v2), and RTL8393M (D-Link DGS-1210-52 F3, Zyxel GS1900-48).
Reported-by: Luiz Angelo Daros de Luca <luizluca@gmail.com> # DGS-1210-52
Reported-by: Birger Koblitz <mail@birger-koblitz.de> # GS728TP
Reported-by: Jan Hoffmann <jan@3e8.eu> # 1920-16G
Fixes: 0d82fb1127 ("gpio: Add Realtek Otto GPIO support")
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Cc: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The SCU firmware on i.MX8 platforms provides a set of APIs to
control the GPIO PINs on the SCU domain. This patch implements the
standard GPIO driver interface to access those PINs on the
SCU domain over the SCU APIs.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The regcache sync will set the cache_bypass = true, at that
time, when there is regmap write operation, it will bypass
the regmap cache, then the regcache sync will write back the
value from cache to register, which is not as our expectation.
Though regmap already use its internal lock to avoid such issue,
but this driver force disable the regmap internal lock in its
regmap config: disable_locking = true
To avoid this issue, use the driver's own lock to do the protect
in system PM.
Fixes: b765743005 ("gpio: pca953x: Restore registers after suspend/resume cycle")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The UCB1400 implements a GPIO driver so it needs to include the
<linux/gpio/driver.h> header, not the legacy <linux/gpio.h> header.
Compile tested on pxa_defconfig.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
With commit 9d2b2e83ef ("Input: adp5588-keys - support gpi key events as
'gpio keys'") the irchip functionality is directly supported in the input
driver as the main goal of these pins is to be used as gpio keys. Hence,
this driver can be removed.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829131553.690063-3-nuno.sa@analog.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
GPIO mockup debugfs is created in gpio_mockup_probe() but
forgot to remove when remove device. This patch add a devm
managed callback for removing them.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Switching between falling/rising edges for IRQ_TYPE_EDGE_BOTH on pins that
require debounce can cause the device to lose events due to a desync
between pin state and irq type.
This problem is resolved by switching between IRQ_TYPE_LEVEL_LOW and
IRQ_TYPE_LEVEL_HIGH instead.
Fixes: 936ee2675e ("gpio/rockchip: add driver for rockchip gpio")
Signed-off-by: João H. Spies <jhlspies@gmail.com>
Link: https://lore.kernel.org/r/20220808025121.110223-1-jhlspies@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The clock is never released after probe(). Use devres to not leak
resources.
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
All platforms that provide a teardown callback return 0. New users are
supposed to not make use of platform support, so there is no
functionality lost.
This patch is a preparation for making i2c remove callbacks return void.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
- remove gpio-vr41xx driver as the only platform using it got dropped too
- add support for suspend/resume to gpio-davinci
- improvements to the GPIO character device code
- add support for disabling bias for in-kernel users (up until now
only user-space could set it)
- drop unused devm_gpio_free()
- fix a refcount issue in gpiolib OF
- use device match helpers where applicable
- add support for a new model to gpio-rockchip
- non-functional improvements in gpio-adp5588
- improve and simplify teardown in gpio-twl4030 and gpio-ucb1400
- modernize the gpio-74xx-mmio and gpio-adnp drivers
- coding style improvements in gpio-xilinx, gpio-104-idi-48
- support new model (pca9571) in gpio-pca9570
- convert the DT bindings to YAML for gpio-mvebu and update the document
- don't return error codes from remove() in gpio-brcmstb
- add a library for the intel 8255 PPI interface and use it in drivers
- reduce using magic numbers and improve code readability in several drivers
- convert DT bindings to YAML for gpio-tpic2810
- add new models to DT bindings for gpio-frl-imx
- Kconfig improvements
- other minor tweaks and improvements
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Merge tag 'gpio-updates-for-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Here are the updates for this merge window from the GPIO subsystem.
We have more lines removed than added thanks to dropping of a driver
for a platform that's no longer supported. Otherwise the changes are
pretty straightforward: support for some new models, various
improvements to existing drivers, some tweaks to the core library code
and DT bindings updates.
Summary:
- remove gpio-vr41xx driver as the only platform using it got dropped
too
- add support for suspend/resume to gpio-davinci
- improvements to the GPIO character device code
- add support for disabling bias for in-kernel users (up until now
only user-space could set it)
- drop unused devm_gpio_free()
- fix a refcount issue in gpiolib OF
- use device match helpers where applicable
- add support for a new model to gpio-rockchip
- non-functional improvements in gpio-adp5588
- improve and simplify teardown in gpio-twl4030 and gpio-ucb1400
- modernize the gpio-74xx-mmio and gpio-adnp drivers
- coding style improvements in gpio-xilinx, gpio-104-idi-48
- support new model (pca9571) in gpio-pca9570
- convert the DT bindings to YAML for gpio-mvebu and update the
document
- don't return error codes from remove() in gpio-brcmstb
- add a library for the intel 8255 PPI interface and use it in
drivers
- reduce using magic numbers and improve code readability in several
drivers
- convert DT bindings to YAML for gpio-tpic2810
- add new models to DT bindings for gpio-frl-imx
- Kconfig improvements
- other minor tweaks and improvements"
* tag 'gpio-updates-for-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (52 commits)
dt-bindings: gpio: fsl-imx-gpio: Add i.MXRT compatibles
gpio: 74xx-mmio: Use bits instead of plain numbers for flags
gpio: xilinx: add missing blank line after declarations
MAINTAINERS: Update Intel 8255 GPIO driver file list
gpio: gpio-mm: Implement and utilize register structures
gpio: 104-idi-48: Implement and utilize register structures
gpio: 104-dio-48e: Implement and utilize register structures
gpio: i8255: Introduce the Intel 8255 interface library module
gpio: 104-idio-16: Implement and utilize register structures
gpio: ws16c48: Implement and utilize register structures
gpio: remove VR41XX related gpio driver
dt-bindings: gpio: add pull-disable flag
gpiolib: acpi: support bias pull disable
gpiolib: of: support bias pull disable
gpiolib: add support for bias pull disable
gpio: 74xx-mmio: use bits.h macros for all masks
gpio: 74xx-mmio: Check MMIO_74XX_DIR_IN flag in mmio_74xx_dir_in()
gpio: 74xx-mmio: Make use of device properties
gpiolib: cdev: compile out HTE unless CONFIG_HTE selected
gpiolib: cdev: consolidate edge detector configuration flags
...
Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text. Also included in here are a few other minor updates,
2 USB files, and one Documentation file update to get the SPDX lines
correct.
All of these have been in the linux-next tree for a very long time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
core:
- Fix a few inconsistencies between UP and SMP vs. interrupt affinities
- Small updates and cleanups all over the place
drivers:
- New driver for the LoongArch interrupt controller
- New driver for the Renesas RZ/G2L interrupt controller
- Hotpath optimization for SiFive PLIC
- Workaround for broken PLIC edge triggered interrupts
- Simall cleanups and improvements as usual
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Merge tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for interrupt core and drivers:
Core:
- Fix a few inconsistencies between UP and SMP vs interrupt
affinities
- Small updates and cleanups all over the place
New drivers:
- LoongArch interrupt controller
- Renesas RZ/G2L interrupt controller
Updates:
- Hotpath optimization for SiFive PLIC
- Workaround for broken PLIC edge triggered interrupts
- Simall cleanups and improvements as usual"
* tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
irqchip/mmp: Declare init functions in common header file
irqchip/mips-gic: Check the return value of ioremap() in gic_of_init()
genirq: Use for_each_action_of_desc in actions_show()
irqchip / ACPI: Introduce ACPI_IRQ_MODEL_LPIC for LoongArch
irqchip: Add LoongArch CPU interrupt controller support
irqchip: Add Loongson Extended I/O interrupt controller support
irqchip/loongson-liointc: Add ACPI init support
irqchip/loongson-pch-msi: Add ACPI init support
irqchip/loongson-pch-pic: Add ACPI init support
irqchip: Add Loongson PCH LPC controller support
LoongArch: Prepare to support multiple pch-pic and pch-msi irqdomain
LoongArch: Use ACPI_GENERIC_GSI for gsi handling
genirq/generic_chip: Export irq_unmap_generic_chip
ACPI: irq: Allow acpi_gsi_to_irq() to have an arch-specific fallback
APCI: irq: Add support for multiple GSI domains
LoongArch: Provisionally add ACPICA data structures
irqdomain: Use hwirq_max instead of revmap_size for NOMAP domains
irqdomain: Report irq number for NOMAP domains
irqchip/gic-v3: Fix comment typo
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/V2L SoC
...
The initial code was misleading to use bitwise AND against plain number,
and the commit d3054ba1db ("gpio: 74xx-mmio: Check MMIO_74XX_DIR_IN flag
in mmio_74xx_dir_in()") missed that. Switch definitions to be defined bits
for the correct comparison.
Fixes: d3054ba1db ("gpio: 74xx-mmio: Check MMIO_74XX_DIR_IN flag in mmio_74xx_dir_in()")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
- fix several regmap usage issues in gpio-pca953x
- fix out-of-tree build for GPIO selftests
- fix integer overflow in gpio-xilinx
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Merge tag 'gpio-fixes-for-v5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix several regmap usage issues in gpio-pca953x
- fix out-of-tree build for GPIO selftests
- fix integer overflow in gpio-xilinx
* tag 'gpio-fixes-for-v5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: gpio-xilinx: Fix integer overflow
selftests: gpio: fix include path to kernel headers for out of tree builds
gpio: pca953x: use the correct register address when regcache sync during init
gpio: pca953x: use the correct range when do regmap sync
gpio: pca953x: only use single read/write for No AI mode
Current implementation is not able to configure more than 32 pins
due to incorrect data type. So type casting with unsigned long
to avoid it.
Fixes: 02b3f84d90 ("xilinx: Switch to use bitmap APIs")
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The GPIO-MM device features an
Intel 8255 compatible GPIO interface, so the i8255 GPIO module is
selected and utilized as well.
Tested-by: Fred Eckert <Frede@cmslaser.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The 104-IDI-48 device features
an Intel 8255 compatible GPIO interface, so the i8255 GPIO module is
selected and utilized as well.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The 104-DIO-48E device
features an Intel 8255 compatible GPIO interface, so the i8255 GPIO
module is selected and utilized as well.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Exposes consumer library functions providing support for interfaces
compatible with the venerable Intel 8255 Programmable Peripheral
Interface (PPI).
The Intel 8255 PPI first appeared in the early 1970s, initially for the
Intel 8080 and later appearing in the original IBM-PC. The popularity of
the original Intel 8255 chip led to many subsequent variants and clones
of the interface in various chips and integrated circuits. Although
still popular, interfaces compatible with the Intel 8255 PPI are
nowdays typically found embedded in larger VLSI processing chips and
FPGA components rather than as discrete ICs.
A CONFIG_GPIO_I8255 Kconfig option is introduced by this patch. Modules
wanting access to these i8255 library functions should select this
Kconfig option, and import the I8255 symbol namespace.
Tested-by: Fred Eckert <Frede@cmslaser.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures.
Tested-by: Fred Eckert <Frede@cmslaser.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Paul Demetrotion <pdemetrotion@winsystems.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Commit d3164e2f3b ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
For regcache_sync_region, we need to use pca953x_recalc_addr() to get
the real register address.
Fixes: ec82d1eba3 ("gpio: pca953x: Zap ad-hoc reg_output cache")
Fixes: 0f25fda840 ("gpio: pca953x: Zap ad-hoc reg_direction cache")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
regmap will sync a range of registers, here use the correct range
to make sure the sync do not touch other unexpected registers.
Find on pca9557pw on imx8qxp/dxl evk board, this device support
8 pin, so only need one register(8 bits) to cover all the 8 pins's
property setting. But when sync the output, we find it actually
update two registers, output register and the following register.
Fixes: b765743005 ("gpio: pca953x: Restore registers after suspend/resume cycle")
Fixes: ec82d1eba3 ("gpio: pca953x: Zap ad-hoc reg_output cache")
Fixes: 0f25fda840 ("gpio: pca953x: Zap ad-hoc reg_direction cache")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
For the device use NO AI mode(not support auto address increment),
only use the single read/write when config the regmap.
We meet issue on PCA9557PW on i.MX8QXP/DXL evk board, this device
do not support AI mode, but when do the regmap sync, regmap will
sync 3 byte data to register 1, logically this means write first
data to register 1, write second data to register 2, write third data
to register 3. But this device do not support AI mode, finally, these
three data write only into register 1 one by one. the reault is the
value of register 1 alway equal to the latest data, here is the third
data, no operation happened on register 2 and register 3. This is
not what we expect.
Fixes: 4942723276 ("gpio: pca953x: Perform basic regmap conversion")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
On top of looking at PULL_UP and PULL_DOWN flags, also look at
PULL_DISABLE and set the appropriate GPIO flag. The GPIO core will then
pass down this to controllers that support it.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
On top of looking at PULL_UP and PULL_DOWN flags, also look at
PULL_DISABLE and set the appropriate GPIO flag. The GPIO core will then
pass down this to controllers that support it.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This change prepares the gpio core to look at firmware flags and set
'FLAG_BIAS_DISABLE' if necessary. It works in similar way to
'GPIO_PULL_DOWN' and 'GPIO_PULL_UP'.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Make use of the GENMASK() (far less error-prone, far more concise).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
It's logically better to check the IN in ->direction_input() and
_OUT in ->direction_output().
While at it, replace ternary with plain if-conditional for the sake
of consistency with mmio_74xx_dir_out().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.
Add mod_devicetable.h include.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The majority of builds do not include HTE, so compile out hte
functionality unless CONFIG_HTE is selected.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Combine the polarity_change flag, struct line eflags, and hte enable
flag into a single flag variable.
The combination of these flags describes the configuration state
of the edge detector, so formalize and clarify that by combining
them into a single variable, edflags, in struct line.
The edflags is a subset of the GPIO_V2_LINE_FLAGsb relevant to
the edge detector, and is also a superset of the eflags it replaces.
The eflags name is still used to describe the subset of edflags
corresponding to the rising/falling edge flags where edflags is
masked down to that subset.
This consolidation reduces the number of variables being passed,
simplifies state comparisons, and provides a more extensible
foundation should additional edge sources be integrated in the
future.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reorganise line event identification code to reduce code duplication,
and replace if-else initializers with a helper function to improve
readability.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Improve readability by using the GPIO_V2_LINE_FLAG_EDGE_BOTH instead
of combining the rising and falling edge flags.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Dipen Patel <dipenp@nvidia.com>
Tested-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The edge detector is only ever started after the line desc has been
determined, so move edge_detector_stop() inside the line desc check,
and merge the two checked regions into one.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The SAMA5D2 PIOBU is only present on some AT91/Microchip SoCs. Hence
add a dependency on ARCH_AT91, to prevent asking the user about this
driver when configuring a kernel without AT91/Microchip SoC support.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
We should use of_node_get() when a new reference of device_node
is created. It is noted that the old reference stored in
'mm_gc->gc.of_node' should also be decreased.
This patch is based on the fact that there is a call site in function
'qe_add_gpiochips()' of src file 'drivers\soc\fsl\qe\gpio.c'. In this
function, of_mm_gpiochip_add_data() is contained in an iteration of
for_each_compatible_node() which will automatically increase and
decrease the refcount. So we need additional of_node_get() for the
reference escape in of_mm_gpiochip_add_data().
Fixes: a19e3da5bc ("of/gpio: Kill of_gpio_chip and add members directly to gpio_chip")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
* Clean up the GPIO driver of Intel EG20 PCH
The following is an automated git shortlog grouped by driver:
pch:
- Change PCI device macros
- Use dev_err_probe()
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Merge tag 'intel-gpio-v5.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into TEST_MERGE
intel-gpio for v5.20-1
* Clean up the GPIO driver of Intel EG20 PCH
The following is an automated git shortlog grouped by driver:
pch:
- Change PCI device macros
- Use dev_err_probe()
