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Message-ID: <CACRpkdbTAeD4Sf_Kjw7A7=ctpOq1-p7qyt8QwyaSmiFeqW3=LQ@mail.gmail.com>
Date: Wed, 15 Aug 2018 17:17:06 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [GIT PULL] GPIO bulk changes for v4.19
Hi Linus,
here is the bulk of GPIO changes for the v4.19 kernel cycle.
I don't know if anything in particular stands out. Maybe the Aspeed
coprocessor thing from Benji: Aspeed is doing baseboard management
chips (BMC's) for servers etc. These Aspeed's are ARM processors
that exist inside (I guess) Intel servers, and they are moving forward to
using mainline Linux in those. This is one of the pieces of the puzzle
to achive that. They are doing OpenBMC, it's pretty cool.
https://lwn.net/Articles/683320/
The other details are in the signed tag.
Please pull it in!
Yours,
Linus Walleij
The following changes since commit ce397d215ccd07b8ae3f71db689aedb85d56ab40:
Linux 4.18-rc1 (2018-06-17 08:04:49 +0900)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v4.19-1
for you to fetch changes up to a5ec96ddfd55c501d451cb310566a1170c267ecb:
gpio: it87: Add support for IT8613 (2018-08-10 23:19:17 +0200)
----------------------------------------------------------------
This is the bulk of GPIO changes for the v4.19 kernel cycle:
Core changes:
- Add a new API for explicitly naming GPIO consumers, when needed.
- Don't let userspace set values on input lines. While we do not
think anyone would do this crazy thing we better plug the hole
before someone uses it and think it's a nifty feature.
- Avoid calling chip->request() for unused GPIOs.
New drivers/subdrivers:
- The Mediatek MT7621 is supported which is a big win for OpenWRT
and similar router distributions using this chip, as it seems
every major router manufacturer on the planet has made products
using this chip:
https://wikidevi.com/wiki/MediaTek_MT7621
- The Tegra 194 is now supported.
- The IT87 driver now supports IT8786E and IT8718F super-IO
chips.
- Add support for Rockchip RK3328 in the syscon GPIO driver.
Driver changes:
- Handle the get/set_multiple() properly on MMIO chips with
inverted direction registers. We didn't have this problem
until a new chip appear that has get/set registers AND
inverted direction bits, OK now we handle it.
- A patch series making more error codes percolate upward
properly for different errors on gpiochip_lock_as_irq().
- Get/set multiple for the OMAP driver, accelerating these
multiple line operations if possible.
- A coprocessor interface for the Aspeed driver. Sometimes a few
GPIO lines need to be grabbed by a co-processor for doing
automated tasks, sometimes they are available as GPIO lines.
By adding an explicit API in this driver we make it possible
for the two line consumers to coexist. (This work was
made available on the ib-aspeed branch, which may be appearing
in other pull requests.)
- Implemented .get_direction() and open drain in the SCH311x
driver.
- Continuing cleanup of included headers in GPIO drivers.
----------------------------------------------------------------
Andy Shevchenko (13):
gpiolib: Join string literals back
gpiolib: Respect error code of ->get_direction()
gpiolib: Mark gpio_suffixes array with __maybe_unused
gpiolib: Consistent use of ->get_direction() inside gpiolib
gpiolib: Join one line back for better readability
gpiolib: Use GPIOD_OUT_{LOW,HIGH} macros in open drain ones
gpiolib: Don't shadow error code of gpiochip_lock_as_irq()
gpio: bcm-kona: Don't shadow error code of gpiochip_lock_as_irq()
gpio: dwapb: Don't shadow error code of gpiochip_lock_as_irq()
gpio: em: Don't shadow error code of gpiochip_lock_as_irq()
gpio: xgene-sb: Don't shadow error code of gpiochip_lock_as_irq()
gpio: uniphier: Bail out on gpiochip_lock_as_irq() error
gpio: vr41xx: Bail out on gpiochip_lock_as_irq() error
Anson Huang (2):
gpio: mxc: Add clocks optional binding for imx gpio
gpio: mxc: add power management support
Anton Vasilyev (1):
gpio: ml-ioh: Fix buffer underwrite on probe error path
Arnd Bergmann (2):
gpio: aspeed: fix compile testing warning
gpio: mt7621: add OF_GPIO dependency
Bartosz Golaszewski (2):
gpiolib: don't allow userspace to set values of input lines
gpiolib: remove an unnecessary TODO
Baruch Siach (1):
gpio: pca953x: suppress interrupts warning when not applicable
Benjamin Herrenschmidt (4):
gpio: aspeed: Rework register type accessors
gpio: aspeed: Add "Read Data" register to read the write latch
gpio: aspeed: Add command source registers
gpio: aspeed: Add interfaces for co-processor to grab GPIOs
Biju Das (2):
gpiolib: Fix of_node inconsistency
gpiolib: Avoid calling chip->request() for unused gpios
Daniel Mack (1):
gpio: pxa: disable pinctrl calls for PXA3xx
Dmitry Osipenko (1):
gpio: tegra: Fix tegra_gpio_irq_set_type()
Fabio Estevam (1):
gpio: mxs: Fit writel() into a single line
Geert Uytterhoeven (2):
w1: Allow compile test of GPIO consumers if !GPIOLIB
gpio: rcar: Implement .get_direction() callback
Ivan Podovalov (1):
gpio: it87: add support for IT8718F Super I/O.
Janusz Krzysztofik (2):
gpiolib: Defer on non-DT find_chip_by_name() failure
gpio: omap: Add get/set_multiple() callbacks
Keerthy (2):
gpio: davinci: Shuffle IRQ resource fetching from DT to beginning of probe
gpio: davinci: Do not assume continuous IRQ numbering
Leonid Bloch (1):
gpio: it87: Add support for IT8613
Levin Du (1):
gpio: syscon: rockchip: add GRF GPIO support for rk3328
Linus Walleij (26):
gpio: Add API to explicitly name a consumer
gpio: rc5t583: Include the right header
gpio: rcar: Include the right header
gpio: rdc321x: Include the right header
gpio: sa1100: Include the right header
gpio: sch: Include the right header
gpio: sch: Implement .get_direction()
gpio: sch311x: Include the right header
gpio: sch311x: Implement .get_direction()
gpio: sch311x: Use RMW to change direction
gpio: sch311x: Implement open drain support
gpio: sch311x: Replace unsigned char with u8
gpio: spear-spics: Include the right header
gpio: sta2x11: Include the right header
gpio: sta2x11: Use BIT() macro
gpio: sta2x11: Inline regs macro
gpio: stmpe: Include the right header
gpio: stp-xway: Include the right header
gpio: syscon: Include the right header
Merge branch 'ib-aspeed' into devel
gpio: mt7621: Edit to preferred syntax
gpio: tb10x: Use the right include
gpio: timberdale: Include the right header
gpio: xilinx: Use the right include
gpio: mmio: Fix up inverted direction registers
gpio: tegra: Include the right header
Marcel Ziswiler (1):
gpiolib: probe deferral error reporting
Mathias Kresin (1):
gpio: stp-xway: Implement get callback
Mikko Perttunen (2):
dt-bindings: tegra186-gpio: Add information for Tegra194
gpio: tegra186: Add support for Tegra194
Morten Hein Tiljeset (1):
gpio-pisosr: add support for get_multiple
Nadav Amit (1):
gpio: Fix wrong rounding in gpio-menz127
Rafael David Tinoco (1):
gpio: selftests: gpio-mockup-chardev GPIOHANDLE_REQUEST_OUTPUT fix
Sergei Shtylyov (1):
gpio-rcar: document R8A77980 bindings
Sergio Paracuellos (2):
gpio: mt7621: Add DT bindings
gpio: mt7621: Add a driver for MT7621
Stefan Agner (1):
gpio: tegra: drop tegra specific GPIO lockdep classes
Vincent Prince (1):
gpio-it87: add support for IT8786E Super I/O
Wei Yongjun (2):
gpio: pxa: Fix potential NULL dereference
gpio: pxa: remove set but not used variable 'gpio_offset'
Zhouyang Jia (1):
gpio: max732x: add error handling for i2c_new_dummy
zhong jiang (1):
gpio: fix meaningless return expression
.../devicetree/bindings/gpio/fsl-imx-gpio.txt | 3 +
.../bindings/gpio/mediatek,mt7621-gpio.txt | 35 ++
.../bindings/gpio/nvidia,tegra186-gpio.txt | 4 +
.../devicetree/bindings/gpio/renesas,gpio-rcar.txt | 1 +
.../bindings/gpio/rockchip,rk3328-grf-gpio.txt | 32 ++
drivers/gpio/Kconfig | 12 +-
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-aspeed.c | 426 ++++++++++++++++++---
drivers/gpio/gpio-ath79.c | 2 +-
drivers/gpio/gpio-bcm-kona.c | 6 +-
drivers/gpio/gpio-davinci.c | 70 ++--
drivers/gpio/gpio-dwapb.c | 6 +-
drivers/gpio/gpio-em.c | 6 +-
drivers/gpio/gpio-it87.c | 13 +
drivers/gpio/gpio-max732x.c | 12 +
drivers/gpio/gpio-menz127.c | 4 +-
drivers/gpio/gpio-ml-ioh.c | 3 +-
drivers/gpio/gpio-mmio.c | 108 +++---
drivers/gpio/gpio-mt7621.c | 332 ++++++++++++++++
drivers/gpio/gpio-mxc.c | 73 ++++
drivers/gpio/gpio-mxs.c | 3 +-
drivers/gpio/gpio-omap.c | 88 ++++-
drivers/gpio/gpio-pca953x.c | 2 +-
drivers/gpio/gpio-pisosr.c | 22 ++
drivers/gpio/gpio-pxa.c | 42 +-
drivers/gpio/gpio-rc5t583.c | 2 +-
drivers/gpio/gpio-rcar.c | 10 +-
drivers/gpio/gpio-rdc321x.c | 2 +-
drivers/gpio/gpio-sa1100.c | 2 +-
drivers/gpio/gpio-sch.c | 11 +-
drivers/gpio/gpio-sch311x.c | 70 +++-
drivers/gpio/gpio-spear-spics.c | 2 +-
drivers/gpio/gpio-sta2x11.c | 41 +-
drivers/gpio/gpio-stmpe.c | 2 +-
drivers/gpio/gpio-stp-xway.c | 18 +-
drivers/gpio/gpio-syscon.c | 33 +-
drivers/gpio/gpio-tb10x.c | 3 +-
drivers/gpio/gpio-tegra.c | 28 +-
drivers/gpio/gpio-tegra186.c | 74 ++++
drivers/gpio/gpio-timberdale.c | 2 +-
drivers/gpio/gpio-uniphier.c | 3 +-
drivers/gpio/gpio-vr41xx.c | 8 +-
drivers/gpio/gpio-xgene-sb.c | 6 +-
drivers/gpio/gpio-xilinx.c | 2 +-
drivers/gpio/gpiolib-of.c | 3 -
drivers/gpio/gpiolib.c | 82 ++--
drivers/gpio/gpiolib.h | 2 +-
drivers/w1/masters/Kconfig | 2 +-
include/linux/gpio/aspeed.h | 15 +
include/linux/gpio/consumer.h | 14 +-
include/linux/gpio/driver.h | 3 +
include/linux/platform_data/gpio-davinci.h | 3 +-
tools/testing/selftests/gpio/gpio-mockup-chardev.c | 6 +-
53 files changed, 1481 insertions(+), 274 deletions(-)
create mode 100644
Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt
create mode 100644
Documentation/devicetree/bindings/gpio/rockchip,rk3328-grf-gpio.txt
create mode 100644 drivers/gpio/gpio-mt7621.c
create mode 100644 include/linux/gpio/aspeed.h
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