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Parked bits for SDMMC2 and SDMMC4 are part of CFGPAD register rather
than pinmux registers and contains bit for each of their pins.
So updating pinctrl Tegra driver to use bitmask for parked
configuration rather than bit.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
[treding@nvidia.com: reshuffle fields to match driver order]
[treding@nvidia.com: use bitmask 0 for unsupported]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Printing out the string 'NVIDIA' as the author of a file looks somewhat
strange and is pretty meaningless given that there's already a copyright
from NVIDIA in the files. Detect the special case and ignore it.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Some changes in recent years have modified the upstream kernel driver in
some ways that make it incompatible with the current template. Update
the template to take into account changes introduced by the following
commits:
commit e3d2160f12d6aa7a87d9db09d8458b4a3492cd45
Author: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Mon May 22 16:56:47 2017 -0400
pinctrl: tegra: clean up modular vs. non-modular distinctions
None of the Kconfigs for any of these drivers are tristate,
meaning that they currently are not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the drivers there is no doubt they are builtin-only. All
drivers get similar changes, so they are handled in batch.
We remove module.h from code that isn't doing anything modular at
all; if they have __init sections, then replace it with init.h.
A couple drivers have module_exit() code that is essentially orphaned,
and so we remove that.
Quite a few bool drivers (hence non-modular) are converted over to
to builtin_platform_driver().
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Pritesh Raithatha <praithatha@nvidia.com>
Cc: Ashwini Ghuge <aghuge@nvidia.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
commit 3c94d2d08a032d911bbe34f2edb24cb63a63644a
Author: Stefan Agner <stefan@agner.ch>
Date: Thu Jul 26 17:40:24 2018 +0200
pinctrl: tegra: define GPIO compatible node per SoC
Tegra 2 uses a different GPIO controller which uses "tegra20-gpio" as
compatible string.
Make the compatible string the GPIO node is using a SoC specific
property. This prevents the kernel from registering the GPIO range
twice in case the GPIO range is specified in the device tree.
Fixes: 9462510ce31e ("pinctrl: tegra: Only set the gpio range if needed")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
commit 1e0813ee5599932c856bda64a568895ed7a33d3a
Author: Dmitry Osipenko <digetx@gmail.com>
Date: Thu Aug 2 14:11:43 2018 +0300
pinctrl: tegra: Move drivers registration to arch_init level
There is a bug in regards to deferred probing within the drivers core
that causes GPIO-driver to suspend after its users. The bug appears if
GPIO-driver probe is getting deferred, which happens after introducing
dependency on PINCTRL-driver for the GPIO-driver by defining "gpio-ranges"
property in device-tree. The bug in the drivers core is old (more than 4
years now) and is well known, unfortunately there is no easy fix for it.
The good news is that we can workaround the deferred probe issue by
changing GPIO / PINCTRL drivers registration order and hence by moving
PINCTRL driver registration to the arch_init level and GPIO to the
subsys_init.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Note that the last one is something that we probably should fix
correctly by using device links rather than working around it by playing
init level tricks.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Pinctrl driver uses the devm_pinctrl_register and hence it is not
required to generate code for .remove callback.
Remove the need of .remove callback.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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NVIDIA's Tegra210 support the park bit to make pinmux configuration
enable/disable. If parked bit is 1 then configuration does not apply
and if it is 0 then pinmux configuration applies. This is to support
to avoid any glitch in pinmux configurations.
The parked bit is part of mux register and mux bank and hence it is
not required to have member for the parked_reg and parked bank very
similar to other bit field of the same register.
Remove the need of the parked register and parked bank and get whether
parked function supported or not by parked_bit.
This is to make the parked bit handling same as other fields of mux
registers.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Tegra210 has a parked bit for each pin. Add code to express this by
updating the kernel driver MACROs to add in parked_* fields so that
the kernel can handle them as it sees fit.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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append_aligned_tabs_indent_with_tabs() was converting TABs to spaces to
simplify calculation of line length, assuming the only TABs were at the
beginning of the line, and hence were all exactly 8 characters wide. In
some scenarios, TABs were also embedded within the line, which caused
incorrect calculations. Solve this by explicitly evaluating TAB widths
character by character, rather than taking shortcuts.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Tegra210 changes the pinmux HW in a few ways; at least:
- The set of drive groups is much more 1:1 with the set of pins. Most
pins have an associated drive group register as well as an associated
pinmux register, and most drive groups cover a single pin.
- Some register fields have moved from the drive group registers into
the pinmux registers.
- The set of available options for each pin and group varies relative to
previous chips, and hence the register layouts vary a bit too.
This patch updates tegra-pinmux-scripts minimally to handle these
changes, to a level equivalent to the support for previous chips. For
example, some new options such as per-pin schmitt aren't handled since
the syseng-supplied pinmux spreadsheets don't provide a value for this
option.
csv-to-board-tegra124-xlsx.py is renamed to csv-to-board.py since it now
supports boards using different SoCs, and it's not worth encoding all
supported SoCs in the filename (Tegra30/114 aren't supported by it, hence
the previous naming).
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This aligns the output with what's check into the kernel. There are now
only minor white-space/formatting differences. I'll fix those in the
kernel soon, when I send patched to add Tegra210 SoC support.
Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This aligns the output with what's checked into the kernel.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This updates to output to match the kernel drivers as of 5dfe10b43a91
"pinctrl: Make of_device_id array const".
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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A set of scripts to generate Linux kernel and U-Boot pinmux drivers and
board pinmux configuration tables. Also included are scripts to convert
existing Linux kernel pinmux drivers and NV-internal spreadsheets to the
internal data representation.
SoC configuration files are included for Tegra30, Tegra114, and Tegra124.
Board configuration files are included for Jetson TK1 and Venice2.
configs/tegra30.soc
configs/tegra114.soc
configs/tegra124.soc
SoC pin definitions
configs/jetson-tk1.board
configs/venice2.board
Board configurations
soc-to-kernel-pinctrl-driver.py
soc-to-uboot-driver.py
Generate Linux kernel and U-Boot pinmux drivers
board-to-kernel-dt.py
board-to-uboot.py
Generate board configuration tables for the Linux kernel (DT) and
U-Boot.
kernel-pinctrl-driver-to-soc.py
Convert an existing Linux kernel pinmux driver to the internal
representation of an SoC used by this project.
csv-to-board-tegra124-xlsx.py
Convert an NV-internal board configuration spreadsheet to the
internal representation of a board configuration used by this
project.
tegra_pmx_board_parser.py
tegra_pmx_parser_utils.py
tegra_pmx_soc_parser.py
tegra_pmx_utils.py
Internal Python modules used to parse the internal data
representations, and various other utilities.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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