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gpio updates for v5.13

Browse source 
- 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()
  ...
This commit is contained in:
Linus Torvalds 2021-05-05 12:39:29 -07:00
commit 5d6a1b84e0
33 changed files with 1067 additions and 349 deletions
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12
include/linux/gpio/driver.h
View file

@ -227,7 +227,7 @@ struct gpio_irq_chip {
/**
* @valid_mask:
*
* If not %NULL holds bitmask of GPIOs which are valid to be included
* If not %NULL, holds bitmask of GPIOs which are valid to be included
* in IRQ domain of the chip.
*/
unsigned long *valid_mask;
@ -346,7 +346,7 @@ struct gpio_irq_chip {
* output.
*
* A gpio_chip can help platforms abstract various sources of GPIOs so
* they can all be accessed through a common programing interface.
* they can all be accessed through a common programming interface.
* Example sources would be SOC controllers, FPGAs, multifunction
* chips, dedicated GPIO expanders, and so on.
*
@ -435,15 +435,15 @@ struct gpio_chip {
/**
* @valid_mask:
*
* If not %NULL holds bitmask of GPIOs which are valid to be used
* If not %NULL, holds bitmask of GPIOs which are valid to be used
* from the chip.
*/
unsigned long *valid_mask;
#if defined(CONFIG_OF_GPIO)
/*
* If CONFIG_OF is enabled, then all GPIO controllers described in the
* device tree automatically may have an OF translation
* If CONFIG_OF_GPIO is enabled, then all GPIO controllers described in
* the device tree automatically may have an OF translation
*/
/**
@ -508,7 +508,7 @@ extern int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
* for GPIOs will fail rudely.
*
* gpiochip_add_data() must only be called after gpiolib initialization,
* ie after core_initcall().
* i.e. after core_initcall().
*
* If gc->base is negative, this requests dynamic assignment of
* a range of valid GPIOs.