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Thomas Gleixner 432d4130f5 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 300
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license 2 as published
  by the free software foundation this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program see the file copying if not write to the free
  software foundation 675 mass ave cambridge ma 02139 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 3 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141902.366626771@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:00 +02:00
Leonid Bloch a5ec96ddfd gpio: it87: Add support for IT8613
This was tested on actual hardware and found to work fine, but currently
the official specifications of this chip could not be obtained to
confirm the numbers.

Signed-off-by: Leonid Bloch <lbloch@janustech.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-08-10 23:19:17 +02:00
Ivan Podovalov 62885203f7 gpio: it87: add support for IT8718F Super I/O.
The DIO connector on the WAFER-945GSE is interfaced to GPIO ports
on the ITE IT8718F Super I/O chipset. From the datasheet of ITE IT8718F,
the GPIO interface is identical to IT8728, so just add it
to the same case as the other chip.

Signed-off-by: Ivan Podovalov <ipodovalov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-08-10 23:19:17 +02:00
Vincent Prince 4e133828e2 gpio-it87: add support for IT8786E Super I/O
From the datasheet, the GPIO interface is identical to IT8728 (same
description), so just add it to the same case as the other chip.

Signed-off-by: Vincent Prince <vincent.prince.fr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-07-30 17:39:15 +02:00
Linus Walleij c3a174036f gpio: it87: Include the right header
This driver is a pure GPIO driver and should only include
<linux/gpio/driver.h>.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-19 01:50:29 +01:00
Adam Borowski deb2e713ba gpio: it87: fix mojibake in module metadata
It had twice-encoded Unicode.

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-12-02 22:42:32 +01:00
Diego Elio Pettenò 01062ad31b gpio: it87: add support for IT8772F Super I/O.
From the datasheet, the GPIO interface is identical to IT8728 (same
description), so just add it to the same case as the other chip.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-08-14 15:03:38 +02:00
Julia Lawall e35b5ab0a7 gpio: constify gpio_chip structures
These structures are only used to copy into other structures, so declare
them as const.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct gpio_chip i@p = { ... };

@ok@
identifier r.i;
expression e;
position p;
@@
e = i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
struct gpio_chip e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct gpio_chip i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 10:35:56 +02:00
Martin Blumenstingl 8fccdb580e gpio: gpio-it87: Add support for IT8620 and IT8628
These chips seem to have a 9th GPIO block (thus supporting 72 GPIOs)
which is configured through SuperIO register 0xd2 (output enable) and
0xd3 (simple I/O). This is also the reason why io_size is larger than
on IT8728 / IT8732. Unfortunately I don't have hardware to test this 9th
GPIO block.

I am also not sure about not configuring the Simple I/O registers as the
hardware I have only uses GPIO block 8. Reading back the values of
0xc0-0xc7 (as configured by the BIOS/EFI on my board) shows that all
have 0xff set.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-31 11:59:43 +02:00
Linus Walleij 0a38fd94c2 gpio: it87: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-01-05 11:21:06 +01:00
Diego Elio Pettenò b8664924e8 gpio: add GPIO support for IT87xx, replacing gpio-it8761e
This patch adds support for the GPIOs found on the ITE super-I/O chips
IT87xx.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-10-02 04:19:35 -07:00