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Subject[GIT PULL] gpio: updates for v5.12
From: Bartosz Golaszewski <>


This is the pull request from the GPIO subsystem for this merge window. It's
been a relatively calm release cycle and we're actually removing more code
than we're adding. All patches have been in next with most having spent several
weeks there. The PR is rebased on top of v5.11 because certain bug fixes on
which patches for v5.12 depend were only merged after v5.11-rc7. Details are in
the signed tag. Please pull!

Best Regards,
Bartosz Golaszewski

The following changes since commit f40ddce88593482919761f74910f42f4b84c004b:

Linux 5.11 (2021-02-14 14:32:24 -0800)

are available in the Git repository at:

git:// tags/gpio-updates-for-v5.12

for you to fetch changes up to a8002a35935aaefcd6a42ad3289f62bab947f2ca:

gpio: pcf857x: Fix missing first interrupt (2021-02-18 15:52:44 +0100)

gpio updates for v5.12

- new driver for the Toshiba Visconti platform
- rework of interrupt handling in gpio-tegra
- updates for GPIO selftests: we're now using the character device to perform
the subsystem checks
- support for a new rcar variant + some code refactoring
- refactoring of gpio-ep93xx
- SPDX License identifier has been updated in the uapi header so that userspace
programs bundling it can become fully REUSE-compliant
- improvements to pwm handling in gpio-mvebu
- support for interrupt handling and power management for gpio-xilinx as well
as some code refactoring
- support for a new chip variant in gpio-pca953x
- removal of drivers: zte xs & intel-mid and removal of leftovers from
- impovements to intel drivers pulled from Andy Shevchenko
- improvements to the gpio-aggregator virtual GPIO driver
- and several minor tweaks and fixes to code and documentation all over the

Andy Shevchenko (13):
gpio: merrifield: Make bias configuration available for GPIOs
lib/cmdline_kunit: add a new test case for get_options()
lib/cmdline: Update documentation to reflect behaviour
lib/cmdline: Allow get_options() to take 0 to validate the input
gpio: aggregator: Replace isrange() by using get_options()
gpio: aggregator: Use compound literal from the header
gpio: aggregator: Remove trailing comma in terminator entries
gpio: msic: Remove driver for deprecated platform
gpio: intel-mid: Remove driver for deprecated platform
gpio: wcove: Get rid of error prone casting in IRQ handler
gpio: wcove: Switch to use regmap_set_bits(), regmap_clear_bits()
gpio: wcove: Split out to_ireg() helper and deduplicate the code
gpio: msic: Drop driver from Makefile

Arnd Bergmann (1):
gpio: remove zte zx driver

Aswath Govindraju (1):
dt-bindings: gpio: Add compatible string for AM64 SoC

Bartosz Golaszewski (3):
gpio: bd7xxxx: use helper variable for pdev->dev
gpio: mockup: tweak the Kconfig help text
gpio: uapi: use the preferred SPDX license identifier

Baruch Siach (6):
gpio: mvebu: improve pwm period calculation accuracy
gpio: mvebu: make pwm .get_state closer to idempotent
gpio: mvebu: don't limit pwm period/duty_cycle to UINT_MAX
gpio: mvebu: improve handling of pwm zero on/off values
gpio: mvebu: add pwm support for Armada 8K/7K
dt-bindings: ap806: document gpio marvell,pwm-offset property

Colin Ian King (1):
gpio: fix spelling mistake in Kconfig "supprot" -> "support"

Dmitry Osipenko (6):
gpio: tegra: Fix wake interrupt
gpio: tegra: Improve formatting of the code
gpio: tegra: Use debugfs_create_devm_seqfile()
gpio: tegra: Clean up whitespaces in tegra_gpio_driver
gpio: tegra: Support building driver as a loadable module
gpio: tegra: Fix irq_set_affinity

Geert Uytterhoeven (3):
dt-bindings: gpio: rcar: Add r8a779a0 support
gpio: rcar: Optimize GPIO pin state read on R-Car Gen3
gpio: rcar: Add R-Car V3U (R8A779A0) support

Jonathan Neuschäfer (2):
docs: gpio: Fix formatting in description of gpiod_*_array_* functions
docs: gpio: intro: Improve HTML formatting

Kent Gibson (8):
selftests: gpio: rework and simplify test implementation
selftests: gpio: remove obsolete gpio-mockup-chardev.c
selftests: remove obsolete build restriction for gpio
selftests: remove obsolete gpio references from
tools: gpio: remove uAPI v1 code no longer used by selftests
selftests: gpio: port to GPIO uAPI v2
selftests: gpio: add CONFIG_GPIO_CDEV to config
gpio: uapi: fix line info flags description

Lad Prabhakar (2):
gpio: rcar: Remove redundant compatible values
gpio: Kconfig: Update help description for GPIO_RCAR config

Matti Vaittinen (1):
gpio: bd7xxxx: Do not depend on parent driver data

Maxim Kiselev (1):
gpio: pcf857x: Fix missing first interrupt

Nikita Shubin (5):
gpio: ep93xx: Fix wrong irq numbers in port F
gpio: ep93xx: drop to_irq binding
gpio: ep93xx: Fix typo s/hierarchial/hierarchical
gpio: ep93xx: refactor ep93xx_gpio_add_bank
gpio: ep93xx: refactor base IRQ number

Nobuhiro Iwamatsu (4):
dt-bindings: gpio: Add bindings for Toshiba Visconti GPIO Controller
gpio: visconti: Add Toshiba Visconti GPIO support
MAINTAINERS: Add entries for Toshiba Visconti GPIO controller
arm: dts: visconti: Add DT support for Toshiba Visconti5 GPIO driver

Srinivas Neeli (5):
gpio: gpio-xilinx: Simplify with dev_err_probe()
gpio: gpio-xilinx: Reduce spinlock array to array
gpio: gpio-xilinx: Add interrupt support
gpio: gpio-xilinx: Add support for suspend and resume
gpio: gpio-xilinx: Add check if width exceeds 32

Thierry Reding (1):
gpio: tegra: Convert to gpio_irq_chip

Uwe Kleine-König (3):
gpio: pca953x: Add support for pca9506
dt-bindings: gpio: pca953x: Document new supported chip pca9506
dt-bindings: gpio: pca953x: Increase allowed length for gpio-line-names

Zheng Yongjun (5):
gpio: sl28cpld: convert comma to semicolon
gpio: max77620: convert comma to semicolon
gpio: tegra186: convert comma to semicolon
gpio: vx855: convert comma to semicolon
gpio: wcove: convert comma to semicolon

.../arm/marvell/ap80x-system-controller.txt | 8 +
.../devicetree/bindings/gpio/gpio-davinci.txt | 1 +
.../devicetree/bindings/gpio/gpio-pca95xx.yaml | 3 +-
.../bindings/gpio/renesas,rcar-gpio.yaml | 3 +
.../bindings/gpio/toshiba,gpio-visconti.yaml | 70 +++
.../devicetree/bindings/gpio/zx296702-gpio.txt | 24 -
Documentation/driver-api/gpio/consumer.rst | 5 +-
Documentation/driver-api/gpio/intro.rst | 8 +-
arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts | 4 +
arch/arm64/boot/dts/toshiba/tmpv7708.dtsi | 11 +
drivers/gpio/Kconfig | 44 +-
drivers/gpio/Makefile | 4 +-
drivers/gpio/TODO | 2 +-
drivers/gpio/gpio-aggregator.c | 40 +-
drivers/gpio/gpio-bd70528.c | 59 ++-
drivers/gpio/gpio-bd71828.c | 39 +-
drivers/gpio/gpio-ep93xx.c | 28 +-
drivers/gpio/gpio-intel-mid.c | 414 -----------------
drivers/gpio/gpio-max77620.c | 2 +-
drivers/gpio/gpio-merrifield.c | 5 +
drivers/gpio/gpio-msic.c | 314 -------------
drivers/gpio/gpio-mvebu.c | 148 +++---
drivers/gpio/gpio-pca953x.c | 2 +
drivers/gpio/gpio-pcf857x.c | 2 +-
drivers/gpio/gpio-rcar.c | 85 ++--
drivers/gpio/gpio-sl28cpld.c | 4 +-
drivers/gpio/gpio-tegra.c | 263 +++++++----
drivers/gpio/gpio-tegra186.c | 2 +-
drivers/gpio/gpio-visconti.c | 218 +++++++++
drivers/gpio/gpio-vx855.c | 2 +-
drivers/gpio/gpio-wcove.c | 65 +--
drivers/gpio/gpio-xilinx.c | 369 ++++++++++++++-
drivers/gpio/gpio-zx.c | 289 ------------
drivers/pinctrl/visconti/pinctrl-common.c | 23 +
include/linux/gpio/machine.h | 4 +-
include/uapi/linux/gpio.h | 4 +-
lib/cmdline.c | 21 +-
lib/cmdline_kunit.c | 56 +++
tools/gpio/gpio-utils.c | 89 ----
tools/gpio/gpio-utils.h | 6 -
tools/testing/selftests/Makefile | 9 -
tools/testing/selftests/gpio/Makefile | 26 +-
tools/testing/selftests/gpio/config | 1 +
tools/testing/selftests/gpio/gpio-mockup-cdev.c | 198 ++++++++
tools/testing/selftests/gpio/gpio-mockup-chardev.c | 323 -------------
tools/testing/selftests/gpio/ | 168 +++----
tools/testing/selftests/gpio/ | 497 ++++++++++++++-------
tools/testing/selftests/ | 4 +-
49 files changed, 1827 insertions(+), 2143 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml
delete mode 100644 Documentation/devicetree/bindings/gpio/zx296702-gpio.txt
delete mode 100644 drivers/gpio/gpio-intel-mid.c
delete mode 100644 drivers/gpio/gpio-msic.c
create mode 100644 drivers/gpio/gpio-visconti.c
delete mode 100644 drivers/gpio/gpio-zx.c
create mode 100644 tools/testing/selftests/gpio/gpio-mockup-cdev.c
delete mode 100644 tools/testing/selftests/gpio/gpio-mockup-chardev.c

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