pinctrl: Explicitly include correct DT includes

The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230714174901.4062397-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: imx: Remove unneeded of_match_ptr()

i.MX is a DT-only platform, so of_match_ptr() can be safely
removed.

Remove the unneeded of_match_ptr().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210328183034.555702-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: fsl: imx7ulp: change to use imx legacy binding

We already had an earlier conclusion that all new i.MX Socs will keep
using the legacy i.MX Pinctrl bindings instead of generic pin config.
However, MX7ULP generic pin config binding support has already been in
tree before that time. Per SoC maintainers' suggestions, in order to
get a better consistency for all i.MX devices, we'd like to go back to
imx legacy binding for MX7ULP as well.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: freescale: Switch to SPDX identifier

Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: imx7ulp: constify struct imx_cfg_params_decode

The decode parameters are constant mark them const.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: imx: constify struct imx_pinctrl_soc_info

Now that imx_pinctrl_probe accepts const struct imx_pinctrl_soc_info
we can constify all declarations of struct imx_pinctrl_soc_info.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: imx: use struct imx_pinctrl_soc_info as a const

For some SoCs the struct imx_pinctrl_soc_info is passed through
of_device_id.data which is const. Most variables are already const
or otherwise not written. However, some fields are modified at
runtime. Move those fields to the dynamically allocated struct
imx_pinctrl.

Fixes: b3060044e495 ("pinctrl: freescale: imx7d: make of_device_ids const")
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: pinctrl-imx7ulp: add gpio_set_direction support

Add gpio_set_direction support. This makes the driver support
GPIO input/output dynamically change from userspace.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Fugang Duan <fugang.duan@nxp.com>
Cc: Bai Ping <ping.bai@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

pinctrl: imx: add imx7ulp driver

i.MX 7ULP has three IOMUXC instances: IOMUXC0 for M4 ports,
IOMUXC1 for A7 ports and IOMUXC DDR for DDR interface.

This patch adds the IOMUXC1 support for A7.
It only supports generic pin config.

Cc: Bai Ping <ping.bai@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>