[GIT PULL] GPIO changes for v5.5

From: Linus Walleij
Date: Fri Nov 29 2019 - 08:59:21 EST

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Hi Linus,

here is the big pull request for the GPIO subsystem for
the v5.5 kernel cycle.

Notices:

At one point the tree became dependent on device core
and Greg simply suggested we pull the HEAD of device
core into the GPIO tree so I did. It had the interesting
side effect of adding a lot of device core cruft to my shortlog
below (possibly there is a way to avoid that, I'm not the
best with git options). If you diff it against your tree or
as a result of pulling it in, it should result in a shorter
shortstat.

After missing an embarrassing problem in the pin control tree
I double-checked that I had builds from zeroday and
the code has sit in linux-next before I compiled this pull
request.

One commit to the DRM subsystem is ACKed by the
DRM maintainers.

One commit to ATA
"ata: ahci-imx: Covert to use GPIO descriptor" has failed
to get the attention of the maintainers for so long that I just
merged it. I suppose they don't care, also it only
concerns GPIO.

Please pull it in!

Yours,
Linus Walleij

The following changes since commit a99d8080aaf358d5d23581244e5da23b35e340b9:

Linux 5.4-rc6 (2019-11-03 14:07:26 -0800)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v5.5-1

for you to fetch changes up to 41c4616bb81ff9b2efd981453f2c5d8f57d0c0b8:

gpio: Add TODO item for regmap helper (2019-11-22 14:46:52 +0100)

----------------------------------------------------------------
This is the bulk of GPIO changes for the v5.5 kernel cycle

Core changes:

- Expose pull up/down flags for the GPIO character device to
userspace. After clear input from the RaspberryPi and Beagle
communities, it has been established that prototyping,
industrial automation and make communities strongly need
this feature, and as we want people to use the character
device, we have implemented the simple pull up/down
interface for GPIO lines. This means we can specify that
a (chip-specific) pull up/down resistor can be enabled,
but does not offer fine-grained control such as cases
where the resistance of the same pull resistor can be
controlled (yet).

- Introduce devm_fwnode_gpiod_get_index() and start to phase out
the old symbol devm_fwnode_get_index_gpiod_from_child().

- A bit of documentation clean-up work.

- Introduce a define for GPIO line directions and deploy it
in all GPIO drivers in the drivers/gpio directory.

- Add a special callback to populate pin ranges when
cooperating with the pin control subsystem and registering
ranges as part of adding a gpiolib driver and a
gpio_irq_chip driver at the same time. This is also
deployed in the Intel Merrifield driver.

New drivers:

- RDA Micro GPIO controller.

- XGS-iproc GPIO driver.

Driver improvements:

- Wake event and debounce support on the Tegra 186 driver.

- Finalize the Aspeed SGPIO driver.

- MPC8xxx uses a normal IRQ handler rather than a chained
handler.

----------------------------------------------------------------
Andy Shevchenko (6):
gpiolib: No need to call gpiochip_remove_pin_ranges() twice
gpiolib: Introduce ->add_pin_ranges() callback
gpio: merrifield: Add GPIO <-> pin mapping ranges via callback
gpio: merrifield: Pass irqchip when adding gpiochip
MAINTAINERS: Replace my email by one @kernel.org
gpio: lynxpoint: Setup correct IRQ handlers

Anson Huang (1):
gpio: mxc: Only get the second IRQ when there is more than one IRQ

Arkadiusz Drabczyk (1):
firmware: Update pointer to documentation

Bartosz Golaszewski (21):
gpiolib: sanitize flags before allocating memory in lineevent_create()
drivers: move the early platform device support to arch/sh
sh: add the sh_ prefix to early platform symbols
gpio: xgene: remove redundant error message
gpio: xgene: use devm_platform_ioremap_resource()
gpio: em: use devm_platform_ioremap_resource()
gpio: ath79: use devm_platform_ioremap_resource()
gpio: htc-egpio: use devm_platform_ioremap_resource()
gpio: htc-egpio: remove redundant error message
Documentation: devres: add missing entry for
devm_platform_ioremap_resource()
lib: devres: prepare devm_ioremap_resource() for more variants
lib: devres: provide devm_ioremap_resource_wc()
drivers: platform: provide devm_platform_ioremap_resource_wc()
misc: sram: use devm_platform_ioremap_resource_wc()
drivers: provide devm_platform_ioremap_resource_byname()
gpio: mvebu: use devm_platform_ioremap_resource_byname()
gpio: tegra186: use devm_platform_ioremap_resource_byname()
Merge tag 'v5.4-rc6' into gpio/for-next
Merge remote-tracking branch 'linusw/for-next' into gpio/for-next
Merge remote-tracking branch 'driver-core/driver-core-next' into
gpio/for-next
gpiolib: fix coding style in gpiod_hog()

Biju Das (1):
dt-bindings: gpio: rcar: Add DT binding for r8a774b1

Chris Packham (2):
dt-bindings: gpio: brcm: Add bindings for xgs-iproc
gpio: Add xgs-iproc driver

Colin Ian King (1):
gpio: 104-idi-48e: make array register_offset static, makes object smaller

Daniel W. S. Almeida (1):
Documentation: gpio: driver.rst: Fix warnings

Dmitry Torokhov (3):
gpiolib: introduce devm_fwnode_gpiod_get_index()
gpiolib: introduce fwnode_gpiod_get_index()
drm/bridge: ti-tfp410: switch to using fwnode_gpiod_get_index()

Drew DeVault (1):
firmware loader: log path to loaded firmwares

Drew Fustini (2):
gpio: expose pull-up/pull-down line flags to userspace
gpio: expose pull-up/pull-down line flags to userspace

Geert Uytterhoeven (13):
Documentation: debugfs: Document debugfs helper for unsigned long values
debugfs: Add debugfs_create_xul() for hexadecimal unsigned long
mmc: atmel-mci: Fix debugfs on 64-bit platforms
mmc: atmel-mci: Remove superfluous cast in debugfs_create_u32() call
mmc: dw_mmc: Fix debugfs on 64-bit platforms
mmc: dw_mmc: Remove superfluous cast in debugfs_create_u32() call
mac80211: Use debugfs_create_xul() helper
net: caif: Fix debugfs on 64-bit platforms
gpio: em: Use proper irq_chip name
gpio: rcar: Use proper irq_chip name
gpio: em: Use platform_get_irq() to obtain interrupts
gpiolib: Grammar s/manager/managed/
gpio: of: Fix bogus reference to gpiod_get_count()

Greg Kroah-Hartman (14):
debugfs: remove return value of debugfs_create_u8()
debugfs: remove return value of debugfs_create_u16()
debugfs: remove return value of debugfs_create_u64()
debugfs: remove return value of debugfs_create_size_t()
ntb: ntb_pingpong: no need to check the return value of debugfs calls
debugfs: remove return value of debugfs_create_x16()
debugfs: remove return value of debugfs_create_x32()
debugfs: remove return value of debugfs_create_x64()
Merge 5.4-rc5 into driver-core-next
powerpc: pseries: no need to check return value of
debugfs_create functions
debugfs: remove return value of debugfs_create_x8()
debugfs: remove return value of debugfs_create_atomic_t()
IB: mlx5: no need to check return value of debugfs_create functions
media: c8sectpfe: no need to check return value of
debugfs_create functions

Hans de Goede (2):
gpiolib: acpi: Print pin number on acpi_gpiochip_alloc_event errors
gpiolib: acpi: Make acpi_gpiochip_alloc_event always return AE_OK

Jonathan NeuschÃfer (3):
Documentation: gpio: driver: Format code blocks properly
docs: driver-api: Move bt8xxgpio to the gpio directory
docs: driver-api: bt8xxgpio: Revive dead link

Kent Gibson (6):
gpiolib: add support for pull up/down to lineevent_create
gpiolib: add support for disabling line bias
gpiolib: add support for biasing output lines
gpio: mockup: add set_config to support pull up/down
gpiolib: move validation of line handle flags into helper function
gpio: add new SET_CONFIG ioctl() to gpio chardev

Linus Walleij (15):
gpio: aspeed-sgpio: Rename and add Kconfig/Makefile
Merge branch 'ib-fwnode-gpiod-get-index' into devel
Merge tag 'gpio-v5.4-rc5-fixes-for-linus' of
git://git.kernel.org/.../brgl/linux into fixes
Merge tag 'gpio-v5.5-updates-for-linus-part-1' of
git://git.kernel.org/.../brgl/linux into devel
ata: ahci-imx: Covert to use GPIO descriptor
Revert "gpio: merrifield: Move hardware initialization to callback"
Revert "gpio: merrifield: Restore use of irq_base"
Revert "gpio: merrifield: Pass irqchip when adding gpiochip"
Merge tag 'v5.4-rc6' into devel
gpiolib: Switch order of valid mask and hw init
Revert "gpio: expose pull-up/pull-down line flags to userspace"
Merge branch 'devel' into for-next
Merge tag 'gpio-v5.5-updates-for-linus-part-2' of
git://git.kernel.org/.../brgl/linux into devel
Merge tag 'intel-gpio-v5.5-1' of
git://git.kernel.org/.../andy/linux-gpio-intel into devel
gpio: Add TODO item for regmap helper

Lucas Stach (1):
gpio: of: don't warn if ignored GPIO flag matches the behavior

Manivannan Sadhasivam (3):
dt-bindings: gpio: Add devicetree binding for RDA Micro GPIO controller
gpio: Add RDA Micro GPIO controller support
MAINTAINERS: Add entry for RDA Micro GPIO driver and binding

Mark Brown (1):
gpio: xgs-iproc: Fix section mismatch on device tree match table

Matti Vaittinen (4):
gpio: Add definition for GPIO direction
gpio: Use new GPIO_LINE_DIRECTION
gpio: bd70528: Add MODULE ALIAS to autoload module
gpio: mmio: remove untrue leftover comment

Murali Nalajala (1):
base: soc: Handle custom soc information sysfs entries

Randy Dunlap (1):
gpio: fix kernel-doc for of_gpio_need_valid_mask()

Russell King (1):
gpio/mpc8xxx: fix qoriq GPIO reading

Saravana Kannan (17):
driver core: Add fwnode_to_dev() to look up device from fwnode
driver core: Add support for linking devices during device addition
of: property: Add functional dependency link from DT bindings
driver core: Add sync_state driver/bus callback
of/platform: Pause/resume sync state during init and
of_platform_populate()
of: property: Create device links for all child-supplier depencencies
of: property: Minor code formatting/style clean ups
driver: core: Improve documentation for fwnode_operations.add_links()
docs: driver-model: Add documentation for sync_state
driver core: Add device link support for SYNC_STATE_ONLY flag
driver core: Allow a device to wait on optional suppliers
driver core: Allow fwnode_operations.add_links to differentiate errors
of: property: Make sure child dependencies don't block probing of parent
of: property: Skip adding device links to suppliers that aren't devices
of: property: Minor style clean up of of_link_to_phandle()
of: property: Make it easy to add device links from DT properties
of: property: Add device link support for iommus, mboxes and io-channels

Shuah Khan (1):
tools: gpio: Use !building_out_of_srctree to determine srctree

Song Hui (1):
gpio/mpc8xxx: change irq handler from chained to normal

Thierry Reding (5):
gpio: max77620: Do not allocate IRQs upfront
gpio: tegra186: Implement wake event support
gpio: tegra186: Derive register offsets from bank/port
gpio: tegra186: Program interrupt route mapping
gpio: tegra186: Add debounce support

Timo Alho (1):
gpio: max77620: Fix interrupt handling

Uwe Kleine-KÃnig (1):
driver core: simplify definitions of platform_get_irq*

Vladimir Oltean (1):
gpio: mpc8xxx: Don't overwrite default irq_set_type callback

YueHaibing (1):
gpio: xgs-iproc: Fix platform_no_drv_owner.cocci warnings

Documentation/admin-guide/kernel-parameters.rst | 1 +
Documentation/admin-guide/kernel-parameters.txt | 6 +
.../bindings/gpio/brcm,xgs-iproc-gpio.yaml | 70 ++++
.../devicetree/bindings/gpio/gpio-rda.yaml | 50 +++
.../devicetree/bindings/gpio/renesas,gpio-rcar.txt | 1 +
Documentation/driver-api/device_link.rst | 3 +-
Documentation/driver-api/driver-model/devres.rst | 4 +
Documentation/driver-api/driver-model/driver.rst | 43 +++
Documentation/driver-api/{ => gpio}/bt8xxgpio.rst | 2 +-
Documentation/driver-api/gpio/driver.rst | 25 +-
Documentation/driver-api/gpio/index.rst | 1 +
Documentation/driver-api/index.rst | 1 -
Documentation/filesystems/debugfs.txt | 50 +--
MAINTAINERS | 6 +-
arch/powerpc/platforms/pseries/dtl.c | 38 +-
arch/powerpc/platforms/pseries/hvCall_inst.c | 12 +-
arch/powerpc/platforms/pseries/lpar.c | 15 +-
arch/sh/drivers/Makefile | 2 +-
arch/sh/drivers/platform_early.c | 347 +++++++++++++++++++
arch/sh/include/asm/platform_early.h | 61 ++++
arch/sh/kernel/cpu/sh2/setup-sh7619.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-mxg.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-sh7201.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-sh7203.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-sh7206.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-sh7264.c | 3 +-
arch/sh/kernel/cpu/sh2a/setup-sh7269.c | 3 +-
arch/sh/kernel/cpu/sh3/setup-sh3.c | 1 +
arch/sh/kernel/cpu/sh3/setup-sh7705.c | 3 +-
arch/sh/kernel/cpu/sh3/setup-sh770x.c | 3 +-
arch/sh/kernel/cpu/sh3/setup-sh7710.c | 3 +-
arch/sh/kernel/cpu/sh3/setup-sh7720.c | 3 +-
arch/sh/kernel/cpu/sh4/setup-sh4-202.c | 3 +-
arch/sh/kernel/cpu/sh4/setup-sh7750.c | 9 +-
arch/sh/kernel/cpu/sh4/setup-sh7760.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7734.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7757.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7770.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 3 +-
arch/sh/kernel/cpu/sh4a/setup-shx3.c | 3 +-
arch/sh/kernel/cpu/sh5/setup-sh5.c | 3 +-
arch/sh/kernel/setup.c | 3 +-
arch/sh/kernel/time.c | 5 +-
drivers/ata/ahci_imx.c | 25 +-
drivers/base/core.c | 245 ++++++++++++-
drivers/base/firmware_loader/main.c | 3 +-
drivers/base/platform.c | 374 ++++----------------
drivers/base/soc.c | 30 +-
drivers/clocksource/sh_cmt.c | 13 +-
drivers/clocksource/sh_mtu2.c | 13 +-
drivers/clocksource/sh_tmu.c | 14 +-
drivers/gpio/Kconfig | 29 +-
drivers/gpio/Makefile | 3 +
drivers/gpio/TODO | 4 +
drivers/gpio/gpio-104-dio-48e.c | 5 +-
drivers/gpio/gpio-104-idi-48.c | 4 +-
drivers/gpio/gpio-104-idio-16.c | 4 +-
drivers/gpio/gpio-74xx-mmio.c | 5 +-
drivers/gpio/gpio-amd-fch.c | 2 +-
.../gpio/{sgpio-aspeed.c => gpio-aspeed-sgpio.c} | 0
drivers/gpio/gpio-aspeed.c | 7 +-
drivers/gpio/gpio-ath79.c | 10 +-
drivers/gpio/gpio-bcm-kona.c | 6 +-
drivers/gpio/gpio-bd70528.c | 9 +-
drivers/gpio/gpio-bd9571mwv.c | 4 +-
drivers/gpio/gpio-dln2.c | 6 +-
drivers/gpio/gpio-em.c | 39 +--
drivers/gpio/gpio-exar.c | 5 +-
drivers/gpio/gpio-f7188x.c | 5 +-
drivers/gpio/gpio-gpio-mm.c | 5 +-
drivers/gpio/gpio-htc-egpio.c | 42 +--
drivers/gpio/gpio-ich.c | 5 +-
drivers/gpio/gpio-kempld.c | 5 +-
drivers/gpio/gpio-lp873x.c | 2 +-
drivers/gpio/gpio-lp87565.c | 5 +-
drivers/gpio/gpio-lynxpoint.c | 6 +
drivers/gpio/gpio-madera.c | 5 +-
drivers/gpio/gpio-max3191x.c | 2 +-
drivers/gpio/gpio-max77620.c | 231 +++++++------
drivers/gpio/gpio-merrifield.c | 50 +--
drivers/gpio/gpio-mmio.c | 22 +-
drivers/gpio/gpio-mockup.c | 105 +++---
drivers/gpio/gpio-moxtet.c | 4 +-
drivers/gpio/gpio-mpc8xxx.c | 36 +-
drivers/gpio/gpio-mvebu.c | 24 +-
drivers/gpio/gpio-mxc.c | 13 +-
drivers/gpio/gpio-mxs.c | 5 +-
drivers/gpio/gpio-omap.c | 6 +-
drivers/gpio/gpio-pca953x.c | 5 +-
drivers/gpio/gpio-pci-idio-16.c | 4 +-
drivers/gpio/gpio-pcie-idio-24.c | 9 +-
drivers/gpio/gpio-pisosr.c | 2 +-
drivers/gpio/gpio-pl061.c | 5 +-
drivers/gpio/gpio-raspberrypi-exp.c | 5 +-
drivers/gpio/gpio-rcar.c | 7 +-
drivers/gpio/gpio-rda.c | 294 ++++++++++++++++
drivers/gpio/gpio-reg.c | 3 +-
drivers/gpio/gpio-sa1100.c | 5 +-
drivers/gpio/gpio-sama5d2-piobu.c | 7 +-
drivers/gpio/gpio-sch.c | 5 +-
drivers/gpio/gpio-sch311x.c | 5 +-
drivers/gpio/gpio-siox.c | 4 +-
drivers/gpio/gpio-stmpe.c | 5 +-
drivers/gpio/gpio-tc3589x.c | 5 +-
drivers/gpio/gpio-tegra.c | 5 +-
drivers/gpio/gpio-tegra186.c | 384 ++++++++++++++-------
drivers/gpio/gpio-thunderx.c | 5 +-
drivers/gpio/gpio-tpic2810.c | 2 +-
drivers/gpio/gpio-tps65086.c | 2 +-
drivers/gpio/gpio-tps65912.c | 4 +-
drivers/gpio/gpio-tps68470.c | 6 +-
drivers/gpio/gpio-tqmx86.c | 5 +-
drivers/gpio/gpio-ts4900.c | 5 +-
drivers/gpio/gpio-twl4030.c | 10 +-
drivers/gpio/gpio-twl6040.c | 3 +-
drivers/gpio/gpio-uniphier.c | 5 +-
drivers/gpio/gpio-wcove.c | 7 +-
drivers/gpio/gpio-ws16c48.c | 5 +-
drivers/gpio/gpio-xgene.c | 32 +-
drivers/gpio/gpio-xgs-iproc.c | 320 +++++++++++++++++
drivers/gpio/gpio-xra1403.c | 5 +-
drivers/gpio/gpio-xtensa.c | 4 +-
drivers/gpio/gpio-zynq.c | 7 +-
drivers/gpio/gpiolib-acpi.c | 17 +-
drivers/gpio/gpiolib-devres.c | 33 +-
drivers/gpio/gpiolib-of.c | 18 +-
drivers/gpio/gpiolib.c | 330 ++++++++++++++----
drivers/gpio/gpiolib.h | 1 +
drivers/gpu/drm/bridge/ti-tfp410.c | 4 +-
drivers/infiniband/hw/mlx5/main.c | 62 +---
drivers/infiniband/hw/mlx5/mlx5_ib.h | 9 +-
.../platform/sti/c8sectpfe/c8sectpfe-debugfs.c | 26 +-
drivers/misc/sram.c | 28 +-
drivers/mmc/host/atmel-mci.c | 10 +-
drivers/mmc/host/dw_mmc.c | 10 +-
drivers/net/caif/caif_serial.c | 4 +-
drivers/ntb/test/ntb_pingpong.c | 5 +-
drivers/of/platform.c | 12 +
drivers/of/property.c | 298 ++++++++++++++++
drivers/tty/serial/sh-sci.c | 11 +-
fs/debugfs/file.c | 87 ++---
include/linux/debugfs.h | 131 ++++---
include/linux/device.h | 33 ++
include/linux/fwnode.h | 41 +++
include/linux/gpio/consumer.h | 54 ++-
include/linux/gpio/driver.h | 8 +
include/linux/platform_device.h | 70 +---
include/linux/sys_soc.h | 1 +
include/uapi/linux/gpio.h | 24 ++
lib/devres.c | 62 ++--
net/mac80211/debugfs_sta.c | 17 +-
tools/gpio/Makefile | 6 +-
160 files changed, 3443 insertions(+), 1429 deletions(-)
create mode 100644
Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rda.yaml
rename Documentation/driver-api/{ => gpio}/bt8xxgpio.rst (98%)
create mode 100644 arch/sh/drivers/platform_early.c
create mode 100644 arch/sh/include/asm/platform_early.h
rename drivers/gpio/{sgpio-aspeed.c => gpio-aspeed-sgpio.c} (100%)
create mode 100644 drivers/gpio/gpio-rda.c
create mode 100644 drivers/gpio/gpio-xgs-iproc.c

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