Commit Graph

19 Commits

Author SHA1 Message Date
Paul Gortmaker fdbde81bad pinctrl: mvebu: make bool drivers explicitly non-modular
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 the exact same change, so they are handled in batch.

Changes are (1) use builtin_platform_driver, (2) dont use module.h
(3) delete module_exit related code, (4) delete MODULE_DEVICE_TABLE,
and (5) delete MODULE_LICENCE/MODULE_AUTHOR and associated tags.

For the dove driver we explicitly disallow a driver unbind, since
that doesn't have a sensible use case anyway, and it allows us to
drop the ".remove" code for non-modular drivers.

Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.

We deleted the MODULE_LICENSE etc. tags since all that information
is already contained at the top of the file in the comments.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-02-13 14:25:49 +01:00
Russell King ad9ec4ecee pinctrl: mvebu: switch drivers to generic simple mmio
Move the mvebu pinctrl drivers over to the generic simple mmio
implementation, saving a substantial number of lines of code in
the process.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-01-18 09:56:35 +01:00
Russell King 20955c5f5c pinctrl: mvebu: provide per-control private data
Provide per-control private data into each mvebu pinctrl method, which
will allow us to provide some completely generic helpers without the
global variable and per-instance function definitions that would be
required when we have multiple pin controllers on a SoC.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-01-18 09:54:24 +01:00
Russell King 30be3fb9b8 pinctrl: mvebu: constify mvebu_mpp_ctrl structures
As the mvebu_mpp_ctrl structures contain function pointers, it is
preferable for these to be made read-only to prevent the function
pointers being modified.  So make these const.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-01-18 09:53:25 +01:00
Laxman Dewangan 699097a9b8 pinctrl: mvebu: Use devm_pinctrl_register() for pinctrl registration
Use devm_pinctrl_register() for pin control registration and remove
need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Hongzhou Yang <hongzhou.yang@mediatek.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Andrew Andrianov <andrew@ncrmnt.org>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-21 00:02:39 +02:00
Thomas Petazzoni f9dbbe011c pinctrl: mvebu: armada-38x: add ptp functions
The latest version of the Armada 38x datasheet documents several new
PTP related functions on various MPP pins. This commit adds the
description of these new functions to the Armada 38x pinctrl driver as
well as to its DT binding documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 14:30:44 +02:00
Thomas Petazzoni f7ad5b29ce pinctrl: mvebu: armada-38x: add ua1 functions
The latest version of the Armada 38x datasheet documents several new
UART1 related functions on various MPP pins. This commit adds the
description of these new functions to the Armada 38x pinctrl driver as
well as to its DT binding documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 14:29:54 +02:00
Thomas Petazzoni 9ce28fccb0 pinctrl: mvebu: armada-38x: add nand functions
The latest version of the Armada 38x datasheet documents several new
NAND related functions on various MPP pins. This commit adds the
description of these new functions to the Armada 38x pinctrl driver as
well as to its DT binding documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 14:24:57 +02:00
Thomas Petazzoni 503cfd9f8a pinctrl: mvebu: armada-38x: add sata functions
The latest version of the Armada 38x datasheet documents several new
SATA related functions on various MPP pins. This commit adds the
description of these new functions to the Armada 38x pinctrl driver as
well as to its DT binding documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 14:18:27 +02:00
Thomas Petazzoni dae5597f25 pinctrl: mvebu: armada-{370,375,38x,39x,xp}: normalize TDM pins
This commit normalizes the naming of the TDM pins accross the
different Marvell SoCs. Mainly it consists in:

 * Removing the 'n' from signal names: 'intn' becomes 'int' and 'rstn'
   becomes 'rst'

 * Renaming the main name 'tdm2c' to 'tdm' on Armada 38x.

 * Change the main name 'tdm-1' to 'tdm' for one of the pins of the
   Armada XP

The last two changes affect DT compatibility, but since the TDM
interface is nowhere near being supported in mainline, it should not
be considered to be a serious problem at this point.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 13:35:33 +02:00
Thomas Petazzoni 7bd6a26db6 pinctrl: mvebu: armada-{370,375,38x,39x}: normalize dev pins
This commit modifies the definition of the Device Bus interface pins
to be consistent accross SoCs. Especially, it removes the 'n'
indicators that we don't encode in the subnames of pins:

   'dev(wen0)' becomes 'dev(we0)'
   'dev(wen1)' becomes 'dev(we1)'
   'dev(oen)' becomes 'dev(oe)'
   etc.

In addition, it fixes the Armada 375 DT binding documentation, which
forgot to document the 'dev' function for MPP46, MPP57 and MPP63.

Since only the subnames are changed, this commit does not affect DT
compatibility.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 11:10:34 +02:00
Thomas Petazzoni 100dc5d840 pinctrl: mvebu: armada-{38x,39x,xp}: normalize naming of DRAM functions
This commit makes the dram functions naming (both the name and
subname) consistent accross SoC, by using:

  dram(vttctrl)
  dram(deccerr)

in all Marvell SoCs.

Due to the change to the name, it changes the DT binding, but these
functions are not used by any in-tree Device Tree file, and are very
unlikely to be used by anyone.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 11:07:36 +02:00
Thomas Petazzoni 9540cf5344 pinctrl: mvebu: armada-{375,38x,39x}: normalize naming of PTP subnames
The subnames are purely informative, but it's nicer when they match
accross SoCs. This commit adjusts the Armada 375, Armada 38x and
Armada 39x MPP definitions so that the subnames of the PTP pins match
the ones used on Armada XP and Kirkwood.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 10:58:24 +02:00
Thomas Petazzoni 27e7cd0165 pinctrl: mvebu: armada-38x: fix incorrect total number of GPIOs
The pinctrl_gpio_range[] array described a first bank of 32 GPIOs and
a second one of 27 GPIOs. However, since there is a total of 60 MPP
pins that can be muxed as GPIOs, the second bank really has 28 GPIOs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: <stable@vger.kernel.org> # v3.15+
Fixes: ca6d9a084b ("pinctrl: mvebu: add pin-muxing driver for the Marvell Armada 380/385")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 10:57:02 +02:00
Thomas Petazzoni 331642fbf2 pinctrl: mvebu: armada-38x: fix PCIe functions
A new revision of the Marvell Armada 38x hardware datasheet unveiled
that the definition of some of the PCIe functions were not
correct. This commit fixes the pinctrl driver accordingly.

Some PCIe functions simply do not exist, some of the PCIe functions in
fact were corresponding to other functions, and some PCIe functions
have been added.

Note: the seemingly unrelated removal of spi(cs2) on MPP47 is related:
this function is in fact implemented on MPP43, instead of a PCIe
function.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: <stable@vger.kernel.org> # v3.15+
Fixes: ca6d9a084b ("pinctrl: mvebu: add pin-muxing driver for the Marvell Armada 380/385")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 10:50:36 +02:00
Fabian Frederick baa9946e32 pinctrl: constify of_device_id array
of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
Acked-by: Lee Jones <lee@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-03-27 09:58:35 +01:00
Maxime Ripard a95308d88c pinctrl: mvebu: a38x: Add UART1 muxing options
The MPP19 and MMP20 pins also have the ability to be muxed to the uart1
function.

Add this case to the pinctrl driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-10 22:47:23 +01:00
Wolfram Sang 1d57fb12e6 pinctrl: mvebu: drop owner assignment from platform_drivers
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-20 16:21:22 +02:00
Thomas Petazzoni ca6d9a084b pinctrl: mvebu: add pin-muxing driver for the Marvell Armada 380/385
The Marvell Armada 380/385 are new ARM SoCs from Marvell, part of the
mvebu family, but using a Cortex-A9 CPU core. In terms of pin-muxing,
it is similar to Armada 370 and XP for the register layout, only
different in the number of available pins and their
functions. Therefore, we simply use the existing
drivers/pinctrl/mvebu/ infrastructure, with no other changes that the
list of pins and corresponding functions.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-02-25 18:51:05 +01:00