Update gpio drivers to use DT_HAS_<compat>_ENABLED Kconfig symbol
to expose the driver and enable it by default based on devicetree.
We remove 'depend on' Kconfig for symbols that would be implied by
the devicetree node existing.
Signed-off-by: Kumar Gala <galak@kernel.org>
Use DT_INST_FOREACH macro to combine code used for multiple instances.
Remove unnecessary Kconfig options and dts fixups for GPIO instances.
A side-effect to using DT_INST_FOREACH is that GPIO ports A0 and A3
are now enabled, whereas they were originally disabled by default as
an optimization.
Signed-off-by: Vincent Wan <vincent.wan@linaro.org>
All GPIO controller drivers support DTS so we can select HAS_DTS_GPIO
at the GPIO driver subsystem level rather than for each specific driver.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Use this short header style in all Kconfig files:
# <description>
# <copyright>
# <license>
...
Also change all <description>s from
# Kconfig[.extension] - Foo-related options
to just
# Foo-related options
It's clear enough that it's about Kconfig.
The <description> cleanup was done with this command, along with some
manual cleanup (big letter at the start, etc.)
git ls-files '*Kconfig*' | \
xargs sed -i -E '1 s/#\s*Kconfig[\w.-]*\s*-\s*/# /'
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
Update the files which contain no license information with the
'Apache-2.0' SPDX license identifier. Many source files in the tree are
missing licensing information, which makes it harder for compliance
tools to determine the correct license.
By default all files without license information are under the default
license of Zephyr, which is Apache version 2.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Most of these are from source'ing a file within an 'if GPIO', and then
adding another 'depends on GPIO' within it.
'if FOO' is just shorthand for adding 'depends on FOO' to each item
within the 'if'. There are no "conditional includes" in Kconfig, so
'if FOO' has no special meaning around a 'source'. Conditional includes
wouldn't be possible, because an 'if' condition could include (directly
or indirectly) forward references to symbols not defined yet.
Tip: When adding a symbol, check its dependencies in the menuconfig
('ninja menuconfig', then / to jump to the symbol). The menuconfig also
shows how the file with the symbol got included, so if you see
duplicated dependencies, it's easy to hunt down where they come from.
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
Convert gpio_cc32xx driver over to using device tree. Added binding
files, updates to dts for various SoCs that use cc32xx.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Bool symbols implicitly default to 'n'.
A 'default n' can make sense e.g. in a Kconfig.defconfig file, if you
want to override a 'default y' on the base definition of the symbol. It
isn't used like that on any of these symbols though, and is
inconsistent.
This will make the auto-generated Kconfig documentation have "No
defaults. Implicitly defaults to n." as well, which is clearer than
'default n if ...'
Piggyback a missing 'source "drivers/gpio/Kconfig.imx"'. This file
wasn't included anywhere previously.
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
The pinmux configuration is done during board initialization.
This was validated using the following Zephyr apps:
- samples/basic/blinky
- samples/basic/disco
- samples/basic/button
All 4 GPIO ports are supported.
Change-Id: If8599a23c1d56cfd678a6e2e5339f7e093c6061a
Signed-off-by: Gil Pitney <gil.pitney@linaro.org>
