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This is the bulk of GPIO changes for the v4.21 kernel series:

Browse source 
Core changes:
 
 - Some core changes are already in outside of this pull
   request as they came through the regulator tree, most
   notably devm_gpiod_unhinge() that removes devres refcount
   management from a GPIO descriptor. This is needed in
   subsystems such as regulators where the regulator core
   need to take over the reference counting and lifecycle
   management for a GPIO descriptor.
 
 - We dropped devm_gpiochip_remove() and devm_gpio_chip_match()
   as nothing needs it. We can bring it back if need be.
 
 - Add a global TODO so people see where we are going. This
   helps setting the direction now that we are two GPIO
   maintainers.
 
 - Handle the MMC CD/WP properties in the device tree core.
   (The bulk of patches activating this code is already
   merged through the MMC/SD tree.)
 
 - Augment gpiochip_request_own_desc() to pass a flag so
   we as gpiochips can request lines as active low or open
   drain etc even from ourselves.
 
 New drivers:
 
 - New driver for Cadence GPIO blocks.
 
 - New driver for Atmel SAMA5D2 PIOBU GPIO lines.
 
 Driver improvements:
 
 - A major refactoring of the PCA953x driver - this driver has
   been around for ages, and is now modernized to reduce code
   duplication that has stacked up and is using regmap to read
   write and cache registers.
 
 - Intel drivers are now maintained in a separate tree and
   start with a round of cleanups and unifications.
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Merge tag 'gpio-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.21 kernel series.

  Core changes:

   - Some core changes are already in outside of this pull request as
     they came through the regulator tree, most notably
     devm_gpiod_unhinge() that removes devres refcount management from a
     GPIO descriptor. This is needed in subsystems such as regulators
     where the regulator core need to take over the reference counting
     and lifecycle management for a GPIO descriptor.

   - We dropped devm_gpiochip_remove() and devm_gpio_chip_match() as
     nothing needs it. We can bring it back if need be.

   - Add a global TODO so people see where we are going. This helps
     setting the direction now that we are two GPIO maintainers.

   - Handle the MMC CD/WP properties in the device tree core. (The bulk
     of patches activating this code is already merged through the
     MMC/SD tree.)

   - Augment gpiochip_request_own_desc() to pass a flag so we as
     gpiochips can request lines as active low or open drain etc even
     from ourselves.

  New drivers:

   - New driver for Cadence GPIO blocks.

   - New driver for Atmel SAMA5D2 PIOBU GPIO lines.

  Driver improvements:

   - A major refactoring of the PCA953x driver - this driver has been
     around for ages, and is now modernized to reduce code duplication
     that has stacked up and is using regmap to read write and cache
     registers.

   - Intel drivers are now maintained in a separate tree and start with
     a round of cleanups and unifications"

* tag 'gpio-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (99 commits)
  gpio: sama5d2-piobu: Depend on OF_GPIO
  gpio: Add Cadence GPIO driver
  dt-bindings: gpio: Add bindings for Cadence GPIO
  gpiolib-acpi: remove unused variable 'err', cleans up build warning
  gpio: mxs: read pin level directly instead of using .get
  gpio: aspeed: remove duplicated statement
  gpio: add driver for SAMA5D2 PIOBU pins
  dt-bindings: arm: atmel: describe SECUMOD usage as a GPIO controller
  gpio/mmc/of: Respect polarity in the device tree
  dt-bindings: gpio: rcar: Add r8a774c0 (RZ/G2E) support
  memory: omap-gpmc: Get the header of the enum
  ARM: omap1: Fix new user of gpiochip_request_own_desc()
  gpio: pca953x: Add regmap dependency for PCA953x driver
  gpio: raspberrypi-exp: decrease refcount on firmware dt node
  gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB
  gpio: pca953x: Restore registers after suspend/resume cycle
  gpio: pca953x: Zap single use of pca953x_read_single()
  gpio: pca953x: Zap ad-hoc reg_output cache
  gpio: pca953x: Zap ad-hoc reg_direction cache
  gpio: pca953x: Perform basic regmap conversion
  ...
This commit is contained in:
Linus Torvalds 2018-12-28 20:00:21 -08:00
commit 24dc83635f
57 changed files with 1741 additions and 678 deletions
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41
include/dt-bindings/gpio/tegra186-gpio.h
View file

@ -14,6 +14,34 @@
#include <dt-bindings/gpio/gpio.h>
/* GPIOs implemented by main GPIO controller */
#define TEGRA186_MAIN_GPIO_PORT_A 0
#define TEGRA186_MAIN_GPIO_PORT_B 1
#define TEGRA186_MAIN_GPIO_PORT_C 2
#define TEGRA186_MAIN_GPIO_PORT_D 3
#define TEGRA186_MAIN_GPIO_PORT_E 4
#define TEGRA186_MAIN_GPIO_PORT_F 5
#define TEGRA186_MAIN_GPIO_PORT_G 6
#define TEGRA186_MAIN_GPIO_PORT_H 7
#define TEGRA186_MAIN_GPIO_PORT_I 8
#define TEGRA186_MAIN_GPIO_PORT_J 9
#define TEGRA186_MAIN_GPIO_PORT_K 10
#define TEGRA186_MAIN_GPIO_PORT_L 11
#define TEGRA186_MAIN_GPIO_PORT_M 12
#define TEGRA186_MAIN_GPIO_PORT_N 13
#define TEGRA186_MAIN_GPIO_PORT_O 14
#define TEGRA186_MAIN_GPIO_PORT_P 15
#define TEGRA186_MAIN_GPIO_PORT_Q 16
#define TEGRA186_MAIN_GPIO_PORT_R 17
#define TEGRA186_MAIN_GPIO_PORT_T 18
#define TEGRA186_MAIN_GPIO_PORT_X 19
#define TEGRA186_MAIN_GPIO_PORT_Y 20
#define TEGRA186_MAIN_GPIO_PORT_BB 21
#define TEGRA186_MAIN_GPIO_PORT_CC 22
#define TEGRA186_MAIN_GPIO(port, offset) \
((TEGRA186_MAIN_GPIO_PORT_##port * 8) + offset)
/* need to keep these for backwards-compatibility */
#define TEGRA_MAIN_GPIO_PORT_A 0
#define TEGRA_MAIN_GPIO_PORT_B 1
#define TEGRA_MAIN_GPIO_PORT_C 2
@ -42,6 +70,19 @@
((TEGRA_MAIN_GPIO_PORT_##port * 8) + offset)
/* GPIOs implemented by AON GPIO controller */
#define TEGRA186_AON_GPIO_PORT_S 0
#define TEGRA186_AON_GPIO_PORT_U 1
#define TEGRA186_AON_GPIO_PORT_V 2
#define TEGRA186_AON_GPIO_PORT_W 3
#define TEGRA186_AON_GPIO_PORT_Z 4
#define TEGRA186_AON_GPIO_PORT_AA 5
#define TEGRA186_AON_GPIO_PORT_EE 6
#define TEGRA186_AON_GPIO_PORT_FF 7
#define TEGRA186_AON_GPIO(port, offset) \
((TEGRA186_AON_GPIO_PORT_##port * 8) + offset)
/* need to keep these for backwards-compatibility */
#define TEGRA_AON_GPIO_PORT_S 0
#define TEGRA_AON_GPIO_PORT_U 1
#define TEGRA_AON_GPIO_PORT_V 2