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Since some of the GPIO controllers use different Interrupt Status offset,
it make sense to provide it explicitly in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
The local ->probe() stub does nothing except calling
a generic Intel pin control probe function. Thus,
it's not needed and generic function may be called directly.
Convert the driver accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
We now using a common macro for PM operations in pin control drivers for Intel
SoCs, and since that macro relies on the definition and macro from linux/pm.h
header file, it's logical to include it directly in pinctrl-intel.h. Otherwise
it's a bit fragile and requires a proper ordering of header inclusion in C
files.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Instead of open coding same structure definition for PM operations,
replace it with a common macro.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Get rid of code duplication by converting to use intel_pinctrl_probe_by_hid().
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It turns out that the Windows GPIO driver for Sunrisepoint PCH-H uses
similar bank structure than it does for Cannon Lake with the exception
that here the bank size is always 24 pins. Starting from pad group E the
BIOS/Windows GPIO numbering does not match the hardware anymore but
instead there are gaps to make each pad group ("bank") consume exactly
24 pins. Because of this Linux does not use correct pins for
GpioIo/GpioIo resources exposed by the BIOS.
This patch aligns the GPIO number space with BIOS/Windows to make sure
the same numbering scheme is used in Linux as well following what we did
already for Intel Cannon Lake.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1543769
Reported-by: Vivien FRASCA <vivien.frasca@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Intel GPIO hardware has a concept of pad groups, which means 1 to 32
pads occupying their own GPI_IS, GPI_IE, PAD_OWN and so on registers. The
existing hardware has the same amount of pads in each pad group (except the
last one) so it is possible to use community->gpp_size to calculate start
offset of each register.
With the next generation SoCs the pad group size is not always the same
anymore which means we cannot use community->gpp_size for register offset
calculations directly.
To support variable size pad groups we introduce struct intel_padgroup that
can be filled in by the client drivers according the hardware pad group
layout. The core driver will always use these when it performs calculations
for pad register offsets. The core driver will automatically populate pad
groups based on community->gpp_size if the driver does not provide any.
This makes sure the existing drivers still work as expected.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Chuah, Kim Tatt <kim.tatt.chuah@intel.com>
Signed-off-by: Tan Jui Nee <jui.nee.tan@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This simplifies error handling and allows us to drop intel_pinctrl_remove()
completely.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The group size for registers PADCFGLOCK, HOSTSW_OWN, GPI_IS,
GPI_IE, are not 24 for Broxton, Add a parameter to allow
different platform to set correct value.
Signed-off-by: Qi Zheng <qi.zheng@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Intel Sunrisepoint-H is a desktop version of the PCH (Platform Controller
Hub). It has slightly different pin configuration compared to the LP
version. This patch adds support for Sunrisepoint-H to the existing
pinctrl-sunrisepoint.c driver.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This driver supports pinctrl/GPIO hardware found on Intel Sunrisepoint (a
Skylake PCH) providing users a pinctrl and GPIO interfaces (including GPIO
interrupts).
The driver is split into core and platform parts so that the same core
driver can be reused in other drivers for other Intel GPIO hardware that is
based on the same host controller design.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
