Commit Graph

3984 Commits

Author SHA1 Message Date
YueHaibing
1889ae50a9 pinctrl: artpec6: Make two functions static
Fix sparse warnings:

drivers/pinctrl/pinctrl-artpec6.c:691:5: warning:
 symbol 'artpec6_pmx_enable' was not declared. Should it be static?
drivers/pinctrl/pinctrl-artpec6.c:705:6: warning:
 symbol 'artpec6_pmx_disable' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 22:25:10 +07:00
Linus Walleij
3846e6a061 pinctrl: sh-pfc: Updates for v5.2
- Add HSCIF (serial) pin groups on R-Car H1,
   - Add I2C[035] pin groups on R-Car M3-N,
   - Add CANFD pin groups on RZ/G2M and RZ/G2E,
   - Retain SDHI/MMC clock return path delay configuration across
     suspend/resume on R-Car Gen3,
   - More validation of pinmux tables at build and runtime, including
     compile-test coverage of all drivers,
   - Small fixes, improvements, and cleanups.
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Merge tag 'sh-pfc-for-v5.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: sh-pfc: Updates for v5.2

  - Add HSCIF (serial) pin groups on R-Car H1,
  - Add I2C[035] pin groups on R-Car M3-N,
  - Add CANFD pin groups on RZ/G2M and RZ/G2E,
  - Retain SDHI/MMC clock return path delay configuration across
    suspend/resume on R-Car Gen3,
  - More validation of pinmux tables at build and runtime, including
    compile-test coverage of all drivers,
  - Small fixes, improvements, and cleanups.
2019-04-04 22:20:59 +07:00
Takeshi Kihara
0a042b355e pinctrl: sh-pfc: r8a77965: Add I2C{0,3,5} pins, groups and functions
This patch adds I2C{0,3,5} pins, groups and functions to the R8A7796 SoC.

These pins are physically muxed with other pins. Therefore, setup of
MOD_SEL is needed for exclusive control with other pins.

[takeshi.kihara.df: add blank lines after function declarations]
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[uli: use standard macros PINMUX_IPSR_PHYS and PINMUX_IPSR_PHYS_MSEL]
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-04 12:02:50 +02:00
Ulrich Hecht
f05603fa6a pinctrl: sh-pfc: r8a7796: Remove placeholder I2C pin data
Pin data for I2C controllers 0, 3 and 5 is properly defined already.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-04 12:02:07 +02:00
Geert Uytterhoeven
baaa2effc6 pinctrl: sh-pfc: r8a77970: Fix spacing
Replace "F_(0,0)" by "F_(0, 0)".

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-04 12:01:18 +02:00
YueHaibing
d1ff8d0716 pinctrl: fsl: Make pinctrl_ipc_handle static
Fix sparse warning:

drivers/pinctrl/freescale/pinctrl-scu.c:38:19: warning:
 symbol 'pinctrl_ipc_handle' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 12:15:36 +07:00
Charles Keepax
0548448b71 pinctrl: lochnagar: Add support for the Cirrus Logic Lochnagar
Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform. This driver supports the board
controller chip on the Lochnagar board.

Lochnagar provides many pins which can generally be used for an
audio function such as an AIF or a PDM interface, but also as
GPIOs.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 12:09:30 +07:00
Maxime Ripard
c69a26b57b pinctrl: sunxi: Allow to disable pinctrl drivers
Our pinctrl drivers are consisting of some common code, and big pin tables
that are SoC-specific. This is fine in most cases, but when you want to
reduce the size of the particular kernel image, those big tables are, well,
quite big.

We haven't had the option to disable them in the past since they were
hidden Kconfig options based on the SoC support. However, that granularity
isn't great since we don't have one Kconfig option per-SoC, but rather one
by family.

Make those options selectable by the user so that they can disable it if
needed, while keeping the current default to not change the standard case.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 10:55:54 +07:00
Maxime Ripard
04ed8c0c5b pinctrl: sunxi: Declare set_config on the GPIO chip
Our pin controller can configure the pins no matter how they are muxed, so
it makes sense to allow this for GPIOs as well.

Add the generic set_config function so that we can rely on the existing
pinctrl code we have.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 10:54:59 +07:00
Maxime Ripard
fb7dea6056 pinctrl: sunxi: Fix variable assignment syntax
Lines are usually ended with a semi-column in C, yet this was copied from a
structure declaration to the init variant while keeping the comma at the
end. Make sure we have a normal syntax, instead of multiple assignments.

Fixes: d83c82ce7c ("pinctrl: sunxi: support multiple pin controller")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 10:54:55 +07:00
Maxime Ripard
90be64e276 pinctrl: sunxi: implement pin_config_set
The sunxi pinctrl only implements the pin_config_group_set callback at the
moment, whereas the gpiochip_generic_config function relies on
pin_config_set. Rework the functions a little to support pin_config_set,
and rely on it for pin_config_group_set.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-04 10:54:39 +07:00
Takeshi Kihara
e551122cdb pinctrl: sh-pfc: rcar-gen3: Rename SEL_NDFC to SEL_NDF
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.50 of Feb
12, 2019, the sel_ndfc MOD_SEL register bit is renamed to sel_ndf.

Update the pin control drivers to reflect this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update R-Car E3]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:02:58 +02:00
Takeshi Kihara
a040f3dec8 pinctrl: sh-pfc: rcar-gen3: Rename SEL_ADG_{A,B,C} to SEL_ADG{A,B,C}
According to the R-Car Gen3 Hardware Manual Errata for Rev 0.80 of Dec
22, 2017, and the Errata for Rev 1.50 of Dec 25, 2018, MOD_SEL0 register
bits 3, 4, 17, and 18 are renamed from SEL_ADG_{A,B,C} to
SEL_ADG{A,B,C}.  Update the pin control drivers to reflect this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:02:49 +02:00
Takeshi Kihara
624a7a12cc pinctrl: sh-pfc: rcar-gen3: Rename RTS{0,1,3,4}# pin function definitions
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.50 of
Feb 12, 2019, the RTS{0,1,3,4}_#/TANS pin names defined in the GPSR and
IPSR registers are renamed to RTS{0,1,3,4}_#.
This patch updates the pin control drivers to reflect this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update R-Car H3 ES1.x, V3M, V3H, and D3]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:02:40 +02:00
Takeshi Kihara
662dc924a0 pinctrl: sh-pfc: rcar-gen3: Remove CC5_OSCOUT pin
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of
Jun 4, 2018, the CC5_OSCOUT pin is removed.  Update the pin control
drivers to reflect this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update R-Car V3M, V3H]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:02:22 +02:00
Takeshi Kihara
5671f8e027 pinctrl: sh-pfc: rcar-gen3: Remove HDMI CEC pins, groups, and functions
The HDMI CEC function is not supported by the R-Car Gen3 Hardware Manual
Rev 1.00. Therefore, delete the corresponding pin groups and functions,
and rename the HDMI[01]_CEC definitions to match their GPIO
functionality.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Squashed several commits]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:01:51 +02:00
Takeshi Kihara
e87882eb9b pinctrl: sh-pfc: r8a77990: Fix MOD_SEL1 bit30 when using SSI_SCK2 and SSI_WS2
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of Aug
24, 2018, there is no need to configure MOD_SEL1 bit30 when the
SSI_SCK2_{A,B} or SSI_WS2_{A,B} pin functions are selected.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Remove now unused definitions, mark MOD_SEL1 bit30 reserved]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:01:36 +02:00
Takeshi Kihara
e167d723e1 pinctrl: sh-pfc: r8a77990: Fix MOD_SEL1 bit31 when using SIM0_D
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of
Aug 24, 2018, there is no need to configure MOD_SEL1 bit31 when the
SIM0_D_{A,B} pin function is selected.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Remove now unused definitions, mark MOD_SEL1 bit31 reserved]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:01:26 +02:00
Takeshi Kihara
943ff71281 pinctrl: sh-pfc: r8a77990: Fix MOD_SEL0 bit16 when using NFALE and NFRB_N
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of Aug
24, 2018, the MOD_SEL0 bit16 must be set to 0 when the NFALE_A and
NFRB_N_A pin functions are selected.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:01:18 +02:00
Geert Uytterhoeven
360328c7dc pinctrl: sh-pfc: Improve PINMUX_IPSR_PHYS() documentation
- The IPSR field is meant for documentation only,
  - The function name refers to the pin function, not to the IPSR
    field.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
2019-04-02 09:57:50 +02:00
Geert Uytterhoeven
e005da0ef7 pinctrl: rza1: Remove unneeded spinlock acquisitions
rza1_get_bit() is just a single register read.  Hence there's no need to
synchronize it with other register writes to the same bank.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
2019-04-02 09:57:50 +02:00
Geert Uytterhoeven
fa4d36712f pinctrl: sh-pfc: Validate enum IDs for regs with variable-width fields
Add a run-time check to the PINMUX_CFG_REG_VAR() macro, to ensure the
number of provided enum IDs is correct.  This cannot be done at build
time, as the number of values depends on the variable-width fields in
the config register.

This helps catching bugs early.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:58:07 +02:00
Geert Uytterhoeven
c481c81784 pinctrl: sh-pfc: Validate enum IDs for regs with fixed-width fields
Add build-time checks to the PINMUX_CFG_REG() and PINMUX_DATA_REG()
macros, to ensure the number of provided enum IDs is correct.

This helps catching bugs early.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:58:04 +02:00
Geert Uytterhoeven
19b593a1cf pinctrl: sh-pfc: Absorb enum IDs in PINMUX_DATA_REG() macro
Currently the PINMUX_DATA_REG() macro must be followed by initialization
data, specifying all enum IDs.  Hence the macro itself does not know
anything about the enum IDs, preventing the macro from performing any
validation on it.

Make the macro accept the enum IDs as a parameter, and update all users.
Note that array data enclosed by curly braces cannot be passed to a
macro as a parameter, hence the enum IDs are wrapped using the GROUP()
macro.

No functional changes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:58:01 +02:00
Geert Uytterhoeven
69f7be1c63 pinctrl: sh-pfc: Absorb enum IDs in PINMUX_CFG_REG_VAR() macro
Currently the PINMUX_CFG_REG_VAR() macro must be followed by
initialization data, specifying all enum IDs.  Hence the macro itself
does not know anything about the enum IDs, preventing the macro from
performing any validation on it.

Make the macro accept the enum IDs as a parameter, and update all users.
Note that array data enclosed by curly braces cannot be passed to a
macro as a parameter, hence both the register field widths and the enum
IDs are wrapped using the GROUP() macro.

No functional changes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:57:58 +02:00
Geert Uytterhoeven
efca8da0c5 pinctrl: sh-pfc: Absorb enum IDs in PINMUX_CFG_REG() macro
Currently the PINMUX_CFG_REG() macro must be followed by initialization
data, specifying all enum IDs.  Hence the macro itself does not know
anything about the enum IDs, preventing the macro from performing any
validation on it.

Make the macro accept the enum IDs as a parameter, and update all users.
Note that array data enclosed by curly braces cannot be passed to a
macro as a parameter, hence the enum IDs are wrapped using a new macro
GROUPS().

No functional changes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:57:55 +02:00
Geert Uytterhoeven
01ff33a3ea pinctrl: sh-pfc: Allow compile-testing of all drivers
Enable compile-testing of all Renesas SuperH and ARM pin control
drivers, in a similar way as was done before for clock and SoC drivers
in commits 371dd373c6 ("clk: renesas: Allow compile-testing of all
(sub)drivers") and 8be381a131 ("soc: renesas: Rework Kconfig and
Makefile logic").

The SuperH pin control drivers need specific include files, hence make
sure they are always found when compile-testing.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 09:57:50 +02:00
Geert Uytterhoeven
2f9f5094f8 pinctrl: sh-pfc: Add missing #include <linux/errno.h>
Source files using -Exxx error codes should include <linux/errno.h>.
On ARM, this header file is included indirectly; on SuperH, it is not,
leading to "error: ‘EINVAL’ undeclared" failures when enabling
compile-testing later.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 09:57:50 +02:00
Geert Uytterhoeven
0ace959614 pinctrl: sh-pfc: Introduce PINCTRL_SH_FUNC_GPIO helper symbol
Pinctrl drivers for SuperH platforms use legacy function GPIOs.
Currently this support is compiled in based on the SUPERH platform
dependency, which hinders the introduction of compile-testing support
for the affected pinctrl drivers.

Introduce a new Kconfig symbol PINCTRL_SH_FUNC_GPIO, which is
auto-selected when needed.  This symbol in turn selects
PINCTRL_SH_PFC_GPIO, to reduce the number of per-driver selects.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 09:57:50 +02:00
Geert Uytterhoeven
6161b39a14 pinctrl: sh-pfc: Validate pinmux tables at runtime when debugging
Perform some basic sanity checks on all built-in pinmux tables when
DEBUG is defined, to help catching bugs early.

For now the following checks are included:
  - Check register and field widths in descriptors for config registers
    with variable-width fields,
  - Check relations between pin groups and functions:
      - All pin functions must refer to existing pin groups,
      - All pin groups must be referred to by a pin function,
      - Warn if a pin group is referred to by multiple pin functions
	(which is OK for backwards-compatibility aliases),
  - Provide suggestions for reducing table sizes: reserved fields of
    more than 3 bits can better be split in smaller subfields, as the
    storage need is proportional to the square of the width of the
    (sub)field,

Note that a dummy non-matching entry is added to the DT match table for
checking r8a7795es1_pinmux_info, as R-Car H3 ES1.0 is matched using
soc_device_match() in r8a7795_pinmux_init(), instead of by the DT match
table.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 09:57:50 +02:00
Marek Vasut
d92ee9cf8e pinctrl: sh-pfc: rcar-gen3: Retain TDSELCTRL register across suspend/resume
The TDSELCTRL register is responsible for configuring the SDHI/MMC clock
return path delay and may be adjusted by the bootloader. Retain the value
across suspend/resume to prevent hardware instability after resume.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-03-18 16:56:50 +01:00
Fabrizio Castro
2cee6cb290 pinctrl: sh-pfc: r8a77990: Move CANFD pin groups and functions
CANFD is found also on the R8A774C0, therefore move CANFD pin
groups and functions to "common".

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-03-18 16:56:50 +01:00
Fabrizio Castro
dcd24e098d pinctrl: sh-pfc: r8a7796: Move CANFD pin groups and functions
CANFD is found also on the R8A774A1, therefore move CANFD pin
groups and functions to "common".

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-03-18 16:56:50 +01:00
Ulrich Hecht
542802613b pinctrl: sh-pfc: r8a7779: Add HSCIF0/1 pins
Adds HSCIF0 and HSCIF1 pins, groups and functions for R8A7779.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-03-18 16:56:50 +01:00
Geert Uytterhoeven
3df892fdbf pinctrl: sh-pfc: r8a77990: Rename IOCTRLx registers
The R-Car Gen3 HardWare Manual Errata for Rev. 1.00 (Jul 2, 2018)
renamed the various miscellaneous I/O control registers (IOCTRLx) on
R-Car E3, to reflect better their actual purposes, and matching other
SoCs.

Update the code to match this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
2019-03-18 16:56:50 +01:00
Geert Uytterhoeven
a8d728a0c5 pinctrl: sh-pfc: r8a77980: Rename IOCTRLx registers
The R-Car Gen3 HardWare Manual Errata for Rev. 1.00 (Jul 2, 2018)
renamed the various miscellaneous I/O control registers (IOCTRLx) on
R-Car V3H, to reflect better their actual purposes, and matching other
SoCs.

Update the code to match this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
2019-03-18 16:56:49 +01:00
Geert Uytterhoeven
1c5c110175 pinctrl: sh-pfc: r8a77970: Rename IOCTRLx registers
The R-Car Gen3 HardWare Manual Errata for Rev. 1.00 (Jul 2, 2018)
renamed the various miscellaneous I/O control registers (IOCTRLx) on
R-Car V3M, to reflect better their actual purposes, and matching other
SoCs.

Update the code to match this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
2019-03-18 16:56:49 +01:00
Linus Torvalds
cf0240a755 This is the bulk of pin control changes for the v5.1 kernel cycle.
No core changes.
 
 New drivers:
 
 - NXP (ex Freescale) i.MX 8QM driver.
 
 - NXP (ex Freescale) i.MX 8MM driver.
 
 - AT91 SAM9X60 subdriver.
 
 Improvements:
 
 - Support for external interrups (EINT) on Mediatek virtual GPIOs.
 
 - Make BCM2835 pin config fully generic.
 
 - Lots of Renesas SH-PFC incremental improvements.
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Merge tag 'pinctrl-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is a calm cycle, not much happened this time around: not even
  much incremental development. Some three new drivers, that is all.

  No core changes.

  New drivers:

   - NXP (ex Freescale) i.MX 8QM driver.

   - NXP (ex Freescale) i.MX 8MM driver.

   - AT91 SAM9X60 subdriver.

  Improvements:

   - Support for external interrups (EINT) on Mediatek virtual GPIOs.

   - Make BCM2835 pin config fully generic.

   - Lots of Renesas SH-PFC incremental improvements"

* tag 'pinctrl-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (70 commits)
  pinctrl: imx: fix scu link errors
  dt-bindings: pinctrl: Document the i.MX50 IOMUXC binding
  pinctrl: qcom: spmi-gpio: Reorder debug print
  pinctrl: nomadik: fix possible object reference leak
  pinctrl: stm32: return error upon hwspinlock failure
  pinctrl: stm32: fix memory leak issue
  pinctrl: sh-pfc: r8a77965: Add DRIF pins, groups and functions
  pinctrl: sh-pfc: r8a77965: Add TMU pins, groups and functions
  pinctrl: sh-pfc: Validate fixed-size field widths at build time
  pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
  pinctrl: sh-pfc: r8a7792: Fix vin1_data18_b pin group
  pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
  pinctrl: sh-pfc: emev2: Add missing pinmux functions
  pinctrl: sunxi: Support I/O bias voltage setting on A80
  pinctrl: ingenic: Add LCD pins for the JZ4725B SoC
  pinctrl: samsung: Remove legacy API for handling external wakeup interrupts mask
  pinctrl: bcm2835: Direct GPIO config changes to generic pinctrl
  pinctrl: bcm2835: declare pin config as generic
  pinctrl: qcom: qcs404: Drop unused UFS_RESET macro
  dt-bindings: add documentation for slew rate
  ...
2019-03-11 11:12:50 -07:00
Linus Torvalds
3601fe43e8 This is the bulk of GPIO changes for the v5.1 cycle:
Core changes:
 
 - The big change this time around is the irqchip handling in
   the qualcomm pin controllers, closely coupled with the
   gpiochip. This rework, in a classic fall-between-the-chairs
   fashion has been sidestepped for too long. The Qualcomm
   IRQchips using the SPMI and SSBI transport mechanisms have
   been rewritten to use hierarchical irqchip. This creates
   the base from which I intend to gradually pull support for
   hierarchical irqchips into the gpiolib irqchip helpers to
   cut down on duplicate code. We have too many hacks in the
   kernel because people have been working around the missing
   hierarchical irqchip for years, and once it was there,
   noone understood it for a while. We are now slowly adapting
   to using it. This is why this pull requests include changes
   to MFD, SPMI, IRQchip core and some ARM Device Trees
   pertaining to the Qualcomm chip family. Since Qualcomm have
   so many chips and such large deployments it is paramount
   that this platform gets this right, and now it (hopefully)
   does.
 
 - Core support for pull-up and pull-down configuration, also
   from the device tree. When a simple GPIO chip support a
   "off or on" pull-up or pull-down resistor, we provide a
   way to set this up using machine descriptors or device tree.
   If more elaborate control of pull up/down (such as
   resistance shunt setting) is required, drivers should be
   phased over to use pin control. We do not yet provide a
   userspace ABI for this pull up-down setting but I suspect
   the makers are going to ask for it soon enough. PCA953x
   is the first user of this new API.
 
 - The GPIO mockup driver has been revamped after some
   discussion improving the IRQ simulator in the process.
   The idea is to make it possible to use the mockup for
   both testing and virtual prototyping, e.g. when you do
   not yet have a GPIO expander to play with but really
   want to get something to develop code around before
   hardware is available. It's neat. The blackbox testing
   usecase is currently making its way into kernelci.
 
 - ACPI GPIO core preserves non direction flags when updating
   flags.
 
 - A new device core helper for devm_platform_ioremap_resource()
   is funneled through the GPIO tree with Greg's ACK.
 
 New drivers:
 
 - TQ-Systems QTMX86 GPIO controllers (using port-mapped
   I/O)
 
 - Gateworks PLD GPIO driver (vaccumed up from OpenWrt)
 
 - AMD G-Series PCH (Platform Controller Hub) GPIO driver.
 
 - Fintek F81804 & F81966 subvariants.
 
 - PCA953x now supports NXP PCAL6416.
 
 Driver improvements:
 
 - IRQ support on the Nintendo Wii (Hollywood) GPIO.
 
 - get_direction() support for the MVEBU driver.
 
 - Set the right output level on SAMA5D2.
 
 - Drop the unused irq trigger setting on the Spreadtrum
   driver.
 
 - Wakeup support for PCA953x.
 
 - A slew of cleanups in the various Intel drivers.
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Merge tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v5.1 cycle:

  Core changes:

   - The big change this time around is the irqchip handling in the
     qualcomm pin controllers, closely coupled with the gpiochip. This
     rework, in a classic fall-between-the-chairs fashion has been
     sidestepped for too long.

     The Qualcomm IRQchips using the SPMI and SSBI transport mechanisms
     have been rewritten to use hierarchical irqchip. This creates the
     base from which I intend to gradually pull support for hierarchical
     irqchips into the gpiolib irqchip helpers to cut down on duplicate
     code.

     We have too many hacks in the kernel because people have been
     working around the missing hierarchical irqchip for years, and once
     it was there, noone understood it for a while. We are now slowly
     adapting to using it.

     This is why this pull requests include changes to MFD, SPMI,
     IRQchip core and some ARM Device Trees pertaining to the Qualcomm
     chip family. Since Qualcomm have so many chips and such large
     deployments it is paramount that this platform gets this right, and
     now it (hopefully) does.

   - Core support for pull-up and pull-down configuration, also from the
     device tree. When a simple GPIO chip supports an "off or on" pull-up
     or pull-down resistor, we provide a way to set this up using
     machine descriptors or device tree.

     If more elaborate control of pull up/down (such as resistance shunt
     setting) is required, drivers should be phased over to use pin
     control. We do not yet provide a userspace ABI for this pull
     up-down setting but I suspect the makers are going to ask for it
     soon enough. PCA953x is the first user of this new API.

   - The GPIO mockup driver has been revamped after some discussion
     improving the IRQ simulator in the process.

     The idea is to make it possible to use the mockup for both testing
     and virtual prototyping, e.g. when you do not yet have a GPIO
     expander to play with but really want to get something to develop
     code around before hardware is available. It's neat. The blackbox
     testing usecase is currently making its way into kernelci.

   - ACPI GPIO core preserves non direction flags when updating flags.

   - A new device core helper for devm_platform_ioremap_resource() is
     funneled through the GPIO tree with Greg's ACK.

  New drivers:

   - TQ-Systems QTMX86 GPIO controllers (using port-mapped I/O)

   - Gateworks PLD GPIO driver (vaccumed up from OpenWrt)

   - AMD G-Series PCH (Platform Controller Hub) GPIO driver.

   - Fintek F81804 & F81966 subvariants.

   - PCA953x now supports NXP PCAL6416.

  Driver improvements:

   - IRQ support on the Nintendo Wii (Hollywood) GPIO.

   - get_direction() support for the MVEBU driver.

   - Set the right output level on SAMA5D2.

   - Drop the unused irq trigger setting on the Spreadtrum driver.

   - Wakeup support for PCA953x.

   - A slew of cleanups in the various Intel drivers"

* tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (110 commits)
  gpio: gpio-omap: fix level interrupt idling
  gpio: amd-fch: Set proper output level for direction_output
  x86: apuv2: remove unused variable
  gpio: pca953x: Use PCA_LATCH_INT
  platform/x86: fix PCENGINES_APU2 Kconfig warning
  gpio: pca953x: Fix dereference of irq data in shutdown
  gpio: amd-fch: Fix type error found by sparse
  gpio: amd-fch: Drop const from resource
  gpio: mxc: add check to return defer probe if clock tree NOT ready
  gpio: ftgpio: Register per-instance irqchip
  gpio: ixp4xx: Add DT bindings
  x86: pcengines apuv2 gpio/leds/keys platform driver
  gpio: AMD G-Series PCH gpio driver
  drivers: depend on HAS_IOMEM for devm_platform_ioremap_resource()
  gpio: tqmx86: Set proper output level for direction_output
  gpio: sprd: Change to use SoC compatible string
  gpio: sprd: Use SoC compatible string instead of wildcard string
  gpio: of: Handle both enable-gpio{,s}
  gpio: of: Restrict enable-gpio quirk to regulator-gpio
  gpio: davinci: use devm_platform_ioremap_resource()
  ...
2019-03-08 10:09:53 -08:00
Anders Roxell
9bc8fee96e pinctrl: imx: fix scu link errors
Currently PINCTRL_IMX8QM and PINCTRL_IMX8QXP will select PINCTRL_IMX_SCU.
However, PINCTRL_IMX_SCU may not be valid due to it depends on IMX_MBOX.
Then we may meet the following link errors:
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinctrl_sc_ipc_init':
pinctrl-scu.c:(.text+0x10): undefined reference to `imx_scu_get_handle'
ld: pinctrl-scu.c:(.text+0x10): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_get_handle'
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_get_scu':
pinctrl-scu.c:(.text+0xa0): undefined reference to `imx_scu_call_rpc'
ld: pinctrl-scu.c:(.text+0xa0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_call_rpc'
ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_set_scu':
pinctrl-scu.c:(.text+0x1b4): undefined reference to `imx_scu_call_rpc'
ld: pinctrl-scu.c:(.text+0x1b4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_scu_call_rpc'
ld: drivers/pinctrl/freescale/pinctrl-imx8qxp.o: in function `imx8qxp_pinctrl_probe':
pinctrl-imx8qxp.c:(.text+0x28): undefined reference to `imx_pinctrl_probe'
ld: pinctrl-imx8qxp.c:(.text+0x28): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `imx_pinctrl_probe'

Rework so that PINCTRL_IMX8QM and PINCTRL_IMX8QXP depends on IMX_SCU
as well in case they're wrongly enabled.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-03-08 13:17:24 +01:00
Bjorn Andersson
202ba5ebc3 pinctrl: qcom: spmi-gpio: Reorder debug print
It's reasonable to expect that people turn to the "gpio" debugfs file to
first and foremost learn about the direction and value of a gpio, and
second to that about it's pinconf. So reorder the value so each line
reads:

gpioN: direction value ...

This also makes it consistent with the TLMM pinctrl driver's output in
the same dump.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-21 13:15:07 +01:00
Linus Walleij
3dda927fdb Merge branch 'ib-qcom-ssbi' into devel 2019-02-21 12:58:31 +01:00
WangBo
7c6daeaf0a pinctrl: nomadik: fix possible object reference leak
The of_find_device_by_node takes a reference to the struct device
when find the match device ,we should release it when fail.

Signed-off-by: WangBo <wang.bo116@zte.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-20 10:52:34 +01:00
Alexandre Torgue
e003ec6aa9 pinctrl: stm32: return error upon hwspinlock failure
Return error to the caller when the hwspinlock can't get locked.

Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-20 10:41:09 +01:00
Alexandre Torgue
cd8c9b5a49 pinctrl: stm32: fix memory leak issue
configs is allocated by pinconf_generic_parse_dt_config(),
pinctrl_utils_add_map_configs() duplicates configs so it can and has to
be freed to prevent memory leaks.

Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-20 10:40:39 +01:00
Martin Blumenstingl
c17abcfa93 pinctrl: meson: meson8b: fix the sdxc_a data 1..3 pins
Fix the mismatch between the "sdxc_d13_1_a" pin group definition from
meson8b_cbus_groups and the entry in sdxc_a_groups ("sdxc_d0_13_1_a").
This makes it possible to use "sdxc_d13_1_a" in device-tree files to
route the MMC data 1..3 pins to GPIOX_1..3.

Fixes: 0fefcb6876 ("pinctrl: Add support for Meson8b")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-17 22:24:32 +01:00
Linus Walleij
8fab3d713c gpio updates for v5.1
- support for a new variant of pca953x
 - documentation fix from Wolfram
 - some tegra186 name changes
 - two minor fixes for madera and altera-a10sr
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Merge tag 'gpio-v5.1-updates-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel

gpio updates for v5.1

- support for a new variant of pca953x
- documentation fix from Wolfram
- some tegra186 name changes
- two minor fixes for madera and altera-a10sr
2019-02-17 21:59:33 +01:00
Brian Masney
79890c2ec4 qcom: ssbi-gpio: correct boundary conditions in pm8xxx_domain_translate
SSBI GPIOs are numbered 1..ngpio, so the boundary check in
pm8xxx_domain_translate() is off by one. This patch corrects that check.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-14 10:03:04 +01:00
Linus Walleij
44df22e7ce pinctrl: sh-pfc: Updates for v5.1 (take two)
- Add DRIF (digital radio) pin groups on R-Car E3 and M3-N,
   - Add TMU (timer) pin groups on R-Car M3-N,
   - Miscellaneous fixes,
   - Build-time validation for fixed-size field width mismatches.
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Merge tag 'sh-pfc-for-v5.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: sh-pfc: Updates for v5.1 (take two)

  - Add DRIF (digital radio) pin groups on R-Car E3 and M3-N,
  - Add TMU (timer) pin groups on R-Car M3-N,
  - Miscellaneous fixes,
  - Build-time validation for fixed-size field width mismatches.
2019-02-13 10:42:12 +01:00
Brian Masney
9d2b563bc2 qcom: ssbi-gpio: add support for hierarchical IRQ chip
ssbi-gpio did not have any irqchip support so consumers of this in
device tree would need to call gpio[d]_to_irq() in order to get the
proper IRQ on the underlying PMIC. IRQ chips in device tree should
be usable from the start without the consumer having to make an
additional call to get the proper IRQ on the parent. This patch adds
hierarchical IRQ chip support to the ssbi-gpio code to correct this
issue.

The constant PM8XXX_GPIO_PHYSICAL_OFFSET is introduced to replace the
hardcoded '1' that previously existed in two places in this driver to
improve code readability.

This change was tested on an APQ8060 DragonBoard.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-13 09:32:10 +01:00