The tegra186_gpio_remove hook simply does a return 0.
Not defining it yields pretty much the same result.
So, this can be removed.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The handling of the return value from devm_gpiochip_add_data() is a bit
redundant. It prints messages on error and success cases.
While the success message may be useful, it is more in the area of log
spam, and these can be printed with other forms of kernel logging.
This change does a direct return with devm_gpiochip_add_data() in the probe
function.
The platform_set_drvdata() is needed, as this driver uses the stored
private date in the PM suspend/resume routines.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
This also means that the 'err' label can be removed and all goto statements
replaced with direct returns (with error codes).
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The sysfs_emit() function was introduced to make it less ambiguous
which function is preferred when writing to the output buffer in
a "show" callback [1].
Convert the GPIO library sysfs interface from sprintf() to sysfs_emit()
accordingly, as the latter is aware of the PAGE_SIZE buffer and correctly
returns the number of bytes written into the buffer.
No functional change intended.
[1] Documentation/filesystems/sysfs.rst
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
We have for some time the assign_bit() API to replace open coded
if (foo)
set_bit(n, bar);
else
clear_bit(n, bar);
Use this API in GPIO library code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information. Since the driver doesn't do that, it's not useful
to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The IRQ is registered via devm_request_threaded_irq(), making the driver
only partially device-managed. This changeset converts the entire driver
to using only devres APIs.
This change also removes platform_set_drvdata() since the information is
never retrieved to be used in the driver.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[Bart: tweaked the commit message]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In IRQ handler interrupts are already disabled, hence no need
to repeat it. Even in the threaded case, it is not a problem
because IRQ framework keeps interrupt disabled there as well.
Remove disabling IRQ part in the handler.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neeli Srinivas <sneeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
It seems that Xilinx GPIO driver operates with bit arrays longer than 32 and
thus can leverage bitmap APIs for that. It makes code better to understand.
The ->probe() function is modified to try read properties for both channels
since is_dual check makes only sense for the amount of pins used for the second
channel. On top of that kzalloc() guarantees zero initial values for the fields
in the private data structure, hence drop unneeded conditionals and assignments.
The change is inspired by Syed Nayyar Waris' ideas about bitmap API extension.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neeli Srinivas <sneeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
With the new helpers, i.e. xgpio_read_chan() / xgpio_write_chan(),
the code is easier to read and maintain. No functional changes
intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neeli Srinivas <sneeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
gpiochip_get_desc() already does the check, drop a duplicate in
gpiochip_is_requested().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Switch to use gpiochip_get_desc() helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.
Therefore, remove the error printing here to simplify code and reduce the
binary size.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
- new driver for the Realtek Otto GPIO controller
- ACPI support for gpio-mpc8xxx
- edge event support for gpio-sch (+ Kconfig fixes)
- Kconfig improvements in gpio-ich
- fixes to older issues in gpio-mockup
- ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055
- improve the GPIO aggregator code by using more generic interfaces instead of
reimplementing them in the driver
- convert the DT bindings for gpio-74x164 to yaml
- documentation improvements
- a slew of other minor fixes and improvements to GPIO drivers
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Merge tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
- new driver for the Realtek Otto GPIO controller
- ACPI support for gpio-mpc8xxx
- edge event support for gpio-sch (+ Kconfig fixes)
- Kconfig improvements in gpio-ich
- fixes to older issues in gpio-mockup
- ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055
- improve the GPIO aggregator code by using more generic interfaces
instead of reimplementing them in the driver
- convert the DT bindings for gpio-74x164 to yaml
- documentation improvements
- a slew of other minor fixes and improvements to GPIO drivers
* tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (34 commits)
dt-bindings: gpio: add YAML description for rockchip,gpio-bank
gpio: mxs: remove useless function
dt-bindings: gpio: fairchild,74hc595: Convert to json-schema
gpio: it87: remove unused code
gpio: 104-dio-48e: Fix coding style issues
gpio: mpc8xxx: Add ACPI support
gpio: ich: Switch to be dependent on LPC_ICH
gpio: sch: Drop MFD_CORE selection
gpio: sch: depends on LPC_SCH
gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055
gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events
gpio: sch: Add edge event support
gpio: aggregator: Replace custom get_arg() with a generic next_arg()
lib/cmdline: Export next_arg() for being used in modules
gpio: omap: Use device_get_match_data() helper
gpio: Add Realtek Otto GPIO support
dt-bindings: gpio: Binding for Realtek Otto GPIO
docs: kernel-parameters: Add gpio_mockup_named_lines
docs: kernel-parameters: Move gpio-mockup for alphabetic order
lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc()
...
Fixed multiple bare uses of 'unsigned' without 'int'.
Fixed space around "*" operator.
Fixed function parameter alignment to opening parenthesis.
Reported by checkpatch.
Signed-off-by: Barney Goette <barneygoette@gmail.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Current implementation only supports DT, now add ACPI support.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Driver is neither dependent to PCI nor using MFD_CORE.
Replace those dependency and selection by dependency on LPC_ICH.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since we are depended on LPC_SCH, which selects MFD_CORE,
we don't need to do it ourselves.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since LPC_SCH provides GPIO functionality, GPIO_SCH should depend on
LPC_SCH to prevent kconfig warning and build errors:
WARNING: unmet direct dependencies detected for LPC_SCH
Depends on [n]: HAS_IOMEM [=y] && PCI [=n]
Selected by [y]:
- GPIO_SCH [=y] && GPIOLIB [=y] && X86 [=y] && (X86 [=y] || COMPILE_TEST [=n]) && ACPI [=y]
and
../drivers/mfd/lpc_sch.c:204:1: warning: data definition has no type or storage class
module_pci_driver(lpc_sch_driver);
^~~~~~~~~~~~~~~~~
../drivers/mfd/lpc_sch.c:204:1: error: type defaults to ‘int’ in declaration of ‘module_pci_driver’ [-Werror=implicit-int]
../drivers/mfd/lpc_sch.c:204:1: warning: parameter names (without types) in function declaration
../drivers/mfd/lpc_sch.c:197:26: warning: ‘lpc_sch_driver’ defined but not used [-Wunused-variable]
static struct pci_driver lpc_sch_driver = {
^~~~~~~~~~~~~~
Fixes: 6c46215d6b62 ("gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Like some other Bay and Cherry Trail SoC based devices the Dell Venue
10 Pro 5055 has an embedded-controller which uses ACPI GPIO events to
report events instead of using the standard ACPI EC interface for this.
The EC interrupt is only used to report battery-level changes and
it keeps doing this while the system is suspended, causing the system
to not stay suspended.
Add an ignore-wake quirk for the GPIO pin used by the EC to fix the
spurious wakeups from suspend.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Neither the ACPI description on Intel Minnowboard (v1) platform provides
the required information to establish a generic handling nor the hardware
capable of doing it. According to the data sheet the hardware can generate
SCI events. Therefore, we need to hook from the driver into GPE handler of
the ACPI subsystem in order to catch and report GPIO-related events.
Validated on the Inlel Minnowboard (v1) platform and Intel Galileo Gen 2.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Add the required infrastructure to enable and report edge events
of the pins to the GPIO core. The actual hook-up of the event interrupt
will happen separately.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Co-developed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
cmdline library provides next_arg() helper to traverse over parameters
and their values given in command line. Replace custom approach in the driver
by it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Use the device_get_match_data() helper instead of open coding.
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Realtek MIPS SoCs (platform name Otto) have GPIO controllers with up to
64 GPIOs, divided over two banks. Each bank has a set of registers for
32 GPIOs, with support for edge-triggered interrupts.
Each GPIO bank consists of four 8-bit GPIO ports (ABCD and EFGH). Most
registers pack one bit per GPIO, except for the IMR register, which
packs two bits per GPIO (AB-CD).
Although the byte order is currently assumed to have port A..D at offset
0x0..0x3, this has been observed to be reversed on other, Lexra-based,
SoCs (e.g. RTL8196E/97D/97F).
Interrupt support is disabled for the fallback devicetree-compatible
'realtek,otto-gpio'. This allows for quick support of GPIO banks in
which the byte order would be unknown. In this case, the port ordering
in the IMR registers may not match the reversed order in the other
registers (DCBA, and BA-DC or DC-BA).
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Core changes:
- A semantic change to handle pinmux and pinconf in explicit order
while up until now we depended on the semantic order in the
device tree. The device tree is a functional programming
language and does not imply any order, so the right thing is
for the pin control core to provide these semantics.
- Add a new pinmux-select debugfs file which makes it possible to
go in and select functions for a pin manually (iteratively, at
the prompt) for debugging purposes.
- Fixes to gpio regmap handling for a new pin control driver
making use of regmap-gpio.
- Use octal permissions on debugfs files.
New drivers:
- A massive rewrite of the former custom pin control driver for
MIPS Broadcom devices to instead use the pin control subsystem.
New pin control drivers for BCM6345, BCM6328, BCM6358, BCM6362,
BCM6368, BCM63268 and BCM6318 SoC variants are implemented.
- Support for PM8350, PM8350B, PM8350C, PMK8350, PMR735A and
PMR735B in the Qualcomm PMIC GPIO driver. Also the two GPIOs
on PM8008 are supported.
- Support for the Rockchip RK3568/RK3566 pin controller.
- Support for Ingenic JZ4730, JZ4750, JZ4755, JZ4775 and
X2000.
- Support for Mediatek MTK8195.
- Add a new Xilinx ZynqMP pin control driver.
Driver improvements and non-urgent fixes:
- Modularization and improvements of the Rockchip drivers.
- Some new pins added to the description of new Renesas SoCs.
- Clarifications of the GPIO base calculation in the Intel driver.
- Fix the function names for the MPP54 and MPP55 pins in the Armada
CP110 pin controller.
- GPIO wakeup interrupt map for Qualcomm SC7280 and SM8350.
- Support for ACPI probing of the Qualcomm SC8180x.
- Fix interrupt clear status on rockchip
- Fix some missing pins on the Ingenic JZ4770, some semantic
fixes for the behaviour of the Ingenic pin controller.
Add DMIC pins for JZ4780, X1000, X1500 and X1830.
- A slew of janitorial like of_node_put() calls.
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Merge tag 'pinctrl-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"There is a lot going on!
Core changes:
- A semantic change to handle pinmux and pinconf in explicit order
while up until now we depended on the semantic order in the device
tree. The device tree is a functional programming language and does
not imply any order, so the right thing is for the pin control core
to provide these semantics.
- Add a new pinmux-select debugfs file which makes it possible to go
in and select functions for a pin manually (iteratively, at the
prompt) for debugging purposes.
- Fixes to gpio regmap handling for a new pin control driver making
use of regmap-gpio.
- Use octal permissions on debugfs files.
New drivers:
- A massive rewrite of the former custom pin control driver for MIPS
Broadcom devices to instead use the pin control subsystem. New pin
control drivers for BCM6345, BCM6328, BCM6358, BCM6362, BCM6368,
BCM63268 and BCM6318 SoC variants are implemented.
- Support for PM8350, PM8350B, PM8350C, PMK8350, PMR735A and PMR735B
in the Qualcomm PMIC GPIO driver. Also the two GPIOs on PM8008 are
supported.
- Support for the Rockchip RK3568/RK3566 pin controller.
- Support for Ingenic JZ4730, JZ4750, JZ4755, JZ4775 and X2000.
- Support for Mediatek MTK8195.
- Add a new Xilinx ZynqMP pin control driver.
Driver improvements and non-urgent fixes:
- Modularization and improvements of the Rockchip drivers.
- Some new pins added to the description of new Renesas SoCs.
- Clarifications of the GPIO base calculation in the Intel driver.
- Fix the function names for the MPP54 and MPP55 pins in the Armada
CP110 pin controller.
- GPIO wakeup interrupt map for Qualcomm SC7280 and SM8350.
- Support for ACPI probing of the Qualcomm SC8180x.
- Fix interrupt clear status on rockchip
- Fix some missing pins on the Ingenic JZ4770, some semantic fixes
for the behaviour of the Ingenic pin controller. Add DMIC pins for
JZ4780, X1000, X1500 and X1830.
- A slew of janitorial like of_node_put() calls"
* tag 'pinctrl-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
pinctrl: Add Xilinx ZynqMP pinctrl driver support
firmware: xilinx: Add pinctrl support
pinctrl: rockchip: do coding style for mux route struct
pinctrl: Add PIN_CONFIG_MODE_PWM to enum pin_config_param
pinctrl: Introduce MODE group in enum pin_config_param
pinctrl: Keep enum pin_config_param ordered by name
dt-bindings: pinctrl: Add binding for ZynqMP pinctrl driver
pinctrl: core: Fix kernel doc string for pin_get_name()
pinctrl: mediatek: use spin lock in mtk_rmw
pinctrl: add drive for I2C related pins on MT8195
pinctrl: add pinctrl driver on mt8195
dt-bindings: pinctrl: mt8195: add pinctrl file and binding document
pinctrl: Ingenic: Add pinctrl driver for X2000.
pinctrl: Ingenic: Add pinctrl driver for JZ4775.
pinctrl: Ingenic: Add pinctrl driver for JZ4755.
pinctrl: Ingenic: Add pinctrl driver for JZ4750.
pinctrl: Ingenic: Add pinctrl driver for JZ4730.
dt-bindings: pinctrl: Add bindings for new Ingenic SoCs.
pinctrl: Ingenic: Reformat the code.
pinctrl: Ingenic: Add DMIC pins support for Ingenic SoCs.
...
- Add support for Software Nodes to MFD Core
- Remove support for Device Properties from MFD Core
- Use standard APIs in MFD Core
- New Drivers
- Add support for ROHM BD9576MUF and BD9573MUF PMICs
- Add support for Netronix Embedded Controller, PWM and RTC
- Add support for Actions Semi ATC260x PMICs and OnKey
- New Device Support
- Add support for DG1 PCIe Graphics Card to Intel PMT
- Add support for ROHM BD71815 PMIC to ROHM BD71828
- Add support for Tolino Shine 2 HD to Netronix Embedded Controller
- Add support for AX10 BMC Secure Updates to Intel M10 BMC
- Removed Device Support
- Remove Arizona Extcon support from MFD
- Remove ST-E AB8500 Power Supply code from MFD
- Remove AB3100 altogether
- New Functionality
- Add support for SMBus and I2C modes to Dialog DA9063
- Switch to using Software Nodes in Intel (various)
- New/converted Device Tree bindings; rohm,bd71815-pmic, rohm,bd9576-pmic,
netronix,ntxec, actions,atc260x,
ricoh,rn5t618, qcom-pm8xxx
- Fix-ups
- Fix error handling/path; intel_pmt
- Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
- Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618, max8997
- Use correct data-type; db8500-prcmu
- Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
- Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
- Regmap related fix-ups; intel-m10-bmc, sec-core
- Reorder resource freeing during remove; intel_quark_i2c_gpio
- Make table indexing more robust; intel_quark_i2c_gpio
- Fix reference imbalances; arizona-irq
- Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
intel-lpss-acpi, intel-lpss-pci,
atc260x-i2c, intel_quark_i2c_gpio
- Bug Fixes
- Fix incorrect (register) values; intel-m10-bmc
- Kconfig related fixes; ABX500_CORE
- Do not clear the Auto Reload Register; stm32-timers
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Merge tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Framework:
- Add support for Software Nodes to MFD Core
- Remove support for Device Properties from MFD Core
- Use standard APIs in MFD Core
New Drivers:
- Add support for ROHM BD9576MUF and BD9573MUF PMICs
- Add support for Netronix Embedded Controller, PWM and RTC
- Add support for Actions Semi ATC260x PMICs and OnKey
New Device Support:
- Add support for DG1 PCIe Graphics Card to Intel PMT
- Add support for ROHM BD71815 PMIC to ROHM BD71828
- Add support for Tolino Shine 2 HD to Netronix Embedded Controller
- Add support for AX10 BMC Secure Updates to Intel M10 BMC
Removed Device Support:
- Remove Arizona Extcon support from MFD
- Remove ST-E AB8500 Power Supply code from MFD
- Remove AB3100 altogether
New Functionality:
- Add support for SMBus and I2C modes to Dialog DA9063
- Switch to using Software Nodes in Intel (various)
New/converted Device Tree bindings:
- rohm bd71815-pmic, rohm bd9576-pmic, netronix ntxec, actions
atc260x, ricoh rn5t618, qcom pm8xxx
- Fix-ups:
- Fix error handling/path; intel_pmt
- Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
- Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618,
max8997
- Use correct data-type; db8500-prcmu
- Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
- Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
- Regmap related fix-ups; intel-m10-bmc, sec-core
- Reorder resource freeing during remove; intel_quark_i2c_gpio
- Make table indexing more robust; intel_quark_i2c_gpio
- Fix reference imbalances; arizona-irq
- Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
intel-lpss-acpi, intel-lpss-pci, atc260x-i2c, intel_quark_i2c_gpio
Bug Fixes:
- Fix incorrect (register) values; intel-m10-bmc
- Kconfig related fixes; ABX500_CORE
- Do not clear the Auto Reload Register; stm32-timers"
* tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
mfd: intel-m10-bmc: Add support for MAX10 BMC Secure Updates
Revert "mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell"
mfd: twl: Remove unused inline function twl4030charger_usb_en()
dt-bindings: mfd: Convert pm8xxx bindings to yaml
dt-bindings: mfd: Add compatible for pmk8350 rtc
i2c: designware: Get rid of legacy platform data
mfd: intel_quark_i2c_gpio: Convert I²C to use software nodes
mfd: lpc_sch: Partially revert "Add support for Intel Quark X1000"
mfd: arizona: Fix rumtime PM imbalance on error
mfd: max8997: Replace 8998 with 8997
mfd: core: Use acpi_find_child_device() for child devices lookup
mfd: intel_quark_i2c_gpio: Don't play dirty trick with const
mfd: intel_quark_i2c_gpio: Enable MSI interrupt
mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing
mfd: ntxec: Support for EC in Tolino Shine 2 HD
mfd: stm32-timers: Avoid clearing auto reload register
mfd: intel_quark_i2c_gpio: Replace I²C speeds with descriptive definitions
mfd: intel_quark_i2c_gpio: Remove unused struct device member
mfd: intel_quark_i2c_gpio: Unregister resources in reversed order
mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500
...
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance optimized
for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target module
has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as we
now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
- omap-prm driver needs to enable autoidle retention support for omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of using
builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
- save and restore the sysconfig register in gpio-omap
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Merge tag 'gpio-fixes-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
"Save and restore the sysconfig register in gpio-omap to fix a
power-management issue"
* tag 'gpio-fixes-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: omap: Save and restore sysconfig
As we are using cpu_pm to save and restore context, we must also save and
restore the GPIO sysconfig register. This is needed because we are not
calling PM runtime functions at all with cpu_pm.
We need to save the sysconfig on idle as it's value can get reconfigured by
PM runtime and can be different from the init time value. Device specific
flags like "ti,no-idle-on-init" can affect the init value.
Fixes: b764a5863f ("gpio: omap: Remove custom PM calls and use cpu_pm instead")
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Andreas Kemnade <andreas@kemnade.info>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
- do not allow exporting GPIO lines which were marked invalid by the driver
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Merge tag 'gpio-fixes-for-v5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
"A single fix for an older problem with the sysfs interface: do not
allow exporting GPIO lines which were marked invalid by the driver"
* tag 'gpio-fixes-for-v5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sysfs: Obey valid_mask
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mergetag object a908a71669
type commit
tag ib-mfd-extcon-v5.13
tagger Lee Jones <lee.jones@linaro.org> 1616067995 +0000
Immutable branch between MFD and Extcon due for the v5.13 merge window
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tag ib-mfd-input-v5.13-1
tagger Lee Jones <lee.jones@linaro.org> 1615374673 +0000
Immutable branch between MFD and Input due for the v5.13 merge window
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mergetag object aa47ad3f85
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tag ib-mfd-platform-x86-v5.13
tagger Lee Jones <lee.jones@linaro.org> 1615373744 +0000
Immutable branch between MFD and Platform/x86 due for the v5.13 merge window
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tag ib-mfd-power-v5.13
tagger Lee Jones <lee.jones@linaro.org> 1616489771 +0000
Immutable branch between MFD and Power due for the v5.13 merge window
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tagger Lee Jones <lee.jones@linaro.org> 1615374433 +0000
Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
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Merge tags 'ib-mfd-clk-gpio-regulator-rtc-v5.13', 'ib-mfd-extcon-v5.13', 'ib-mfd-input-v5.13-1', 'ib-mfd-platform-x86-v5.13', 'ib-mfd-power-v5.13', 'ib-mfd-pwm-rtc-v5.13-1' and 'ib-regulator-list-ramp-helpers-v5.13' into ibs-for-mfd-merged
Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window
Immutable branch between MFD and Extcon due for the v5.13 merge window
Immutable branch between MFD and Input due for the v5.13 merge window
Immutable branch between MFD and Platform/x86 due for the v5.13 merge window
Immutable branch between MFD and Power due for the v5.13 merge window
Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
Support GPO(s) found from ROHM BD71815 power management IC. The IC has two
GPO pins but only one is properly documented in the data-sheet. The driver
exposes by default only the documented GPO. The second GPO is connected to
E5 pin and is marked as GND in the data-sheet. Control for this
undocumented pin can be enabled using a special DT property.
This driver is derived from work by Peter Yang <yanglsh@embest-tech.com>
although not so much of the original is left.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Change my e-mail address to kabel@kernel.org, and fix my name in
non-code parts (add diacritical mark).
Link: https://lkml.kernel.org/r/20210325171123.28093-2-kabel@kernel.org
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Do not allow exporting GPIOs which are set invalid
by the driver's valid mask.
Fixes: 726cb3ba49 ("gpiolib: Support 'gpio-reserved-ranges' property")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This is needed for properly registering GPIO regmap as a child of a regmap
pin controller.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20210324081923.20379-3-noltari@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since platform_device_unregister() is NULL-aware, we don't need to duplicate
this check. Remove it and fold the rest of the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
It's quite spread code to initialize IRQ domain options.
Let's fold it into a simple oneliner.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
When IRQ domain is created for an ACPI case, the name of it becomes unknown-%d
since for now it utilizes of_node member only and doesn't consider fwnode case.
Convert IRQ domain creation code to utilize fwnode instead.
Before/After the change on Intel Galileo Gen 2 with two GPIO (IRQ) controllers:
unknown-1 ==> \_SB.PCI0.GIP0.GPO
unknown-2 ==> \_SB.NIO3
Due to the nature of this change we may also deduplicate the WARN():s
because in either case (DT or ACPI) the fwnode will be set correctly
and %pfw is an equivalent to what the current code prints as a prefix.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In the ACPI case we may use the firmware node in the similar way
as it's done for OF case. We may use that fwnode for other purposes
in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The initial value of the OF node based on presence of parent, but
at the same time this operation somehow appeared separately from others
that handle the OF case. On the other hand there is no need to assign
dev->fwnode in the OF case if code properly retrieves fwnode, i.e.
via dev_fwnode() helper.
Amend gpiolib.c and gpiolib-of.c code in order to group OF operations.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
We have (historically) different approaches how we identify the type
of a given fwnode. Let's standardize them across the library code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware
interface when unbinding the device.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
