* Always enable ARCH_TIMER on SoCs with A7 or A15
All such SoCs have ARCH_TIMER so there is no need for it to be optional.
This allows clean-up which is included in this change.
* Do not compile r8a7779_platform_cpu_kill when it is unused
This avoids a warning by shuffling code into an existing #ifdef
r8a7779 is the R-Car H1 SoC
* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
This is to allow SMP to be enabled via DT on the r9a06g032
* Stop compiling headsmp-apmu for non-SMP configs
This is a minor clean-up allowing removal of an #ifdef
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Merge tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Second Round of Renesas ARM Based SoC Updates for v4.19
* Always enable ARCH_TIMER on SoCs with A7 or A15
All such SoCs have ARCH_TIMER so there is no need for it to be optional.
This allows clean-up which is included in this change.
* Do not compile r8a7779_platform_cpu_kill when it is unused
This avoids a warning by shuffling code into an existing #ifdef
r8a7779 is the R-Car H1 SoC
* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
This is to allow SMP to be enabled via DT on the r9a06g032
* Stop compiling headsmp-apmu for non-SMP configs
This is a minor clean-up allowing removal of an #ifdef
* tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: shmobile: rcar-gen2: Stop compiling headsmp-apmu on !SMP
Signed-off-by: Olof Johansson <olof@lixom.net>
- check of_iomap and add missing of_node_put since of_find_compatible_node
is invoked on hisilicon SoCs like hip01, hix5hd2 and hi3xxx.
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Merge tag 'hisi-armv7-soc-for-4.19' of git://github.com/hisilicon/linux-hisi into next/soc
ARM: mach-hisi: Hisilicon SoC updates for 4.19
- check of_iomap and add missing of_node_put since of_find_compatible_node
is invoked on hisilicon SoCs like hip01, hix5hd2 and hi3xxx.
* tag 'hisi-armv7-soc-for-4.19' of git://github.com/hisilicon/linux-hisi:
ARM: hisi: handle of_iomap and fix missing of_node_put
ARM: hisi: check of_iomap and fix missing of_node_put
ARM: hisi: fix error handling and missing of_node_put
Signed-off-by: Olof Johansson <olof@lixom.net>
R-Mobile APE6, R-Car Gen2, and RZ/G1 SoCs have Cortex-A7 and/or
Cortex-A15 CPU cores, all of which have ARM architectured timers.
Force use of the ARM architectured timer on these SoCs.
This allows to:
- Remove the calls to shmobile_init_delay() from the corresponding
machine vectors,
- Remove a check in timer setup specific to R-Car Gen2,
- Remove a check in shmobile_init_delay().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
After the cleanup in r8a7779_smp_prepare_cpus(), the only remaining caller of
r8a7779_platform_cpu_kill() is in an ifdef, which leads to a build warning
without CONFIG_HOTPLUG_CPU:
arch/arm/mach-shmobile/smp-r8a7779.c:26:12: error: 'r8a7779_platform_cpu_kill' defined but not used [-Werror=unused-function]
This moves the function inside of that #ifdef to avoid the warning.
Fixes: 62f55ce683 ("ARM: shmobile: r8a7779: Stop powering down secondary CPUs during early boot")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
- remove potential call from invalid context in boot_secondary
- allow using CONFIG_FORTIFY_SOURCE in pmsu.c
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Merge tag 'mvebu-arm-4.19-1' of git://git.infradead.org/linux-mvebu into next/soc
mvebu arm for 4.19 (part 1)
- remove potential call from invalid context in boot_secondary
- allow using CONFIG_FORTIFY_SOURCE in pmsu.c
* tag 'mvebu-arm-4.19-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: convert secondary CPU clock sync to hotplug state
ARM: mvebu: declare asm symbols as character arrays in pmsu.c
Signed-off-by: Olof Johansson <olof@lixom.net>
- the pxa architecture is ported to dma slavemap
- some minor AC97 fixes
- some minor board fixes
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Merge tag 'pxa-for-4.19-v2' of https://github.com/rjarzmik/linux into next/soc
This is the pxa changes for 4.19 cycle :
- the pxa architecture is ported to dma slavemap
- some minor AC97 fixes
- some minor board fixes
* tag 'pxa-for-4.19-v2' of https://github.com/rjarzmik/linux:
net: smc91x: remove the dmaengine compat need
net: smc911x: remove the dmaengine compat need
ARM: pxa: zylonite: use the new ac97 bus support
ARM: pxa: add the missing AC97 clocks
ARM: pxa: mioa701 convert to the new AC97 bus
ARM: pxa: hx4700: fix the usb client
ARM: pxa: change SSP DMA channels allocation
ARM: pxa: remove the DMA IO resources
dmaengine: pxa: document pxad_param
ata: pata_pxa: remove the dmaengine compat need
mtd: rawnand: marvell: remove the dmaengine compat need
media: pxa_camera: remove the dmaengine compat need
mmc: pxamci: remove the dmaengine compat need
dmaengine: pxa: add a default requestor policy
ARM: pxa: add dma slave map
dmaengine: pxa: use a dma slave map
Signed-off-by: Olof Johansson <olof@lixom.net>
Since for ULP1 PM mode of SAMA5D2 the wakeup sources are limited and
well known add a method to check if these wakeup sources are defined by
user (either via DT or filesystem). In case there are no wakeup sources
defined for ULP1 the PM suspend will fail, otherwise these will be
configured in fast startup registers of PMC. Since wakeup sources of
ULP1 need also to be configured in SHDWC registers the code was a bit
changed to map the SHDWC also in case ULP1 is requested by user (this
was done in the initialization phase). In case the ULP1 initialization
fails the ULP0 mode is used (this mode was also used in case backup mode
initialization failed).
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
In the ULP1 mode, in order to achieve the lowest power consumption
with the system in retention mode and be able to resume on the wake
up events, all the clocks are shut off, inclusive the embedded 12MHz
RC oscillator, and the number of wake up sources is limited as well.
When the wake up event is asserted, the embedded 12MHz RC oscillator
restarts automatically.
The ULP1 (Ultra Low-power mode 1) is introduced by SAMA5D2.
The previous size of pm_suspend.o was 2148 bytes. With the addition of
ULP1 mode the new size of pm_suspend.o raised at 2456 bytes.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
[claudiu.beznea@microchip.com: aligned with 4.18-rc1]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Switch to use ULP0 naming instead of slow clock naming for power modes, to
be as closed as possible to datasheet. This commit does the necessary
renaming and macro addition to be as close as possible to the namings
from [1].
[1] https://lore.kernel.org/lkml/1470650705-31418-3-git-send-email-wenyou.yang@atmel.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Relying on an unchecked of_iomap() which can return NULL is problematic
here, an explicit check seems mandatory. Also the call to
of_find_compatible_node() returns a device node with refcount incremented
therefor an explicit of_node_put() is needed here.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit 22bae42904 ("ARM: hi3xxx: add hotplug support")
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
of_find_compatible_node() returns a device node with refcount incremented
and thus needs an explicit of_node_put(). Further relying on an unchecked
of_iomap() which can return NULL is problematic here, after all ctrl_base
is critical enough for hix5hd2_set_cpu() to call BUG() if not available
so a check seems mandated here.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
0002 Fixes: commit 06cc5c1d4d ("ARM: hisi: enable hix5hd2 SoC")
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
of_iomap() can return NULL which seems critical here and thus should be
explicitly flagged so that the cause of system halting can be understood.
As of_find_compatible_node() is returning a device node with refcount
incremented it must be explicitly decremented here.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit 7fda91e731 ("ARM: hisi: enable smp for HiP01")
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This contains a single fix for the Trusted Foundations firmware
implementation, used on some Tegra20 and Tegra30 platforms.
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Merge tag 'tegra-for-4.19-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc
firmware: tegra: Changes for v4.19-rc1
This contains a single fix for the Trusted Foundations firmware
implementation, used on some Tegra20 and Tegra30 platforms.
* tag 'tegra-for-4.19-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: trusted_foundations: do not use naked function
Signed-off-by: Olof Johansson <olof@lixom.net>
These changes are mostly PM related changes for am335x and
am437x to support RTC only suspend mode. Some of the clock
and driver related chances are still pending so it's not
yet fully functional.
Also included is a change for PM debug sysfs entry to use
DEFINE_SHOW_ATTRIBUTE.
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Merge tag 'omap-for-v4.19/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC updates for omaps for v4.19 merge window
These changes are mostly PM related changes for am335x and
am437x to support RTC only suspend mode. Some of the clock
and driver related chances are still pending so it's not
yet fully functional.
Also included is a change for PM debug sysfs entry to use
DEFINE_SHOW_ATTRIBUTE.
* tag 'omap-for-v4.19/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: sleep33/43xx: Add RTC-Mode support
ARM: OMAP2+: sleep33/43xx: Make sleep actions configurable
ARM: OMAP2+: reuse DEFINE_SHOW_ATTRIBUTE() macro
ARM: hwmod: RTC: Don't assume lock/unlock will be called with irq enabled
Signed-off-by: Olof Johansson <olof@lixom.net>
Mostly a series by Janusz Krzysztofik to clean up the
GPIO and input handling for ams-delta. Because of the
platform data changes, we decided that it's best to
merge the related input changes also via the arm-soc
tree so Dmitry Torokhov has acked the input changes.
Also included is a change to constify gpio_leds from
Arvind Yadav.
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Merge tag 'omap-for-v4.19/omap1-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC updates for omap1 for v4.19 merge window
Mostly a series by Janusz Krzysztofik to clean up the
GPIO and input handling for ams-delta. Because of the
platform data changes, we decided that it's best to
merge the related input changes also via the arm-soc
tree so Dmitry Torokhov has acked the input changes.
Also included is a change to constify gpio_leds from
Arvind Yadav.
* tag 'omap-for-v4.19/omap1-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP1: ams-delta: move late devices back to init_machine
Input: ams_delta_serio: Get FIQ buffer from platform_data
Input: ams_delta_serio: use IRQ resource
ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h>
ARM: OMAP1: ams-delta FIQ: Keep serio input GPIOs requested
ARM: OMAP1: ams-delta FIQ: don't use static GPIO numbers
ARM: OMAP1: ams-delta: Hog "keybrd_dataout" GPIO pin
Input: ams_delta_serio: Replace power GPIO with regulator
Input: ams_delta_serio: use private structure
Input: ams_delta_serio: convert to platform driver
ARM: OMAP1: ams-delta: drop GPIO lookup table for serio device
ARM: OMAP1: ams-delta: assign LED GPIO numbers from descriptors
ARM: OMAP1: ams-delta: refactor late_init()
ARM: OMAP1: constify gpio_led
Signed-off-by: Olof Johansson <olof@lixom.net>
-----------------------------
* mach-davinci updates needed to finally move over to common clock framework
* update to use the aemif driver from drivers/memory rather than the
private implementation available in mach-davinci
For the later item, I have included a branch from David Lechner which
should also get merged through the clk tree. The clk dependencies are
needed for aemif conversion.
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Merge tag 'davinci-for-v4.19/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
DaVinci SoC updates for v4.19
-----------------------------
* mach-davinci updates needed to finally move over to common clock framework
* update to use the aemif driver from drivers/memory rather than the
private implementation available in mach-davinci
For the later item, I have included a branch from David Lechner which
should also get merged through the clk tree. The clk dependencies are
needed for aemif conversion.
* tag 'davinci-for-v4.19/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: (34 commits)
ARM: davinci: unduplicate aemif support
ARM: davinci: mityomapl138: use aemif platform driver
ARM: davinci: dm646x-evm: use aemif platform driver
ARM: davinci: da830-evm: use aemif platform driver
ARM: davinci: dm644x-evm: use aemif platform driver
ARM: davinci: dm365-evm: use the ti-aemif soc driver
ARM: davinci: da850-evm: use aemif platform driver in legacy mode
ARM: davinci: omapl138-hawk: add aemif & nand support
clk: davinci: psc-da830: add a lookup entry for aemif clock
clk: davinci: psc-dm646x: use two lookup entries for the aemif clock
clk: davinci: psc-dm644x: use two lookup entries for the aemif clock
clk: davinci: psc-dm365: use two lookup entries for the aemif clock
clk: davinci: psc-da850: remove the 'davinci_nand.0" lookup
ARM: davinci: da8xx-dt: switch to device tree clocks
ARM: davinci: add device tree support to timer
ARM: davinci: remove legacy clocks
ARM: davinci: da8xx: Remove legacy USB and SATA clock init
ARM: davinci: dm646x: Remove legacy clock init
ARM: davinci: dm644x: Remove legacy clock init
ARM: davinci: dm365: Remove legacy clock init
...
Signed-off-by: Olof Johansson <olof@lixom.net>
4.19, please pull the following:
- Clement re-orders the UART debug entries to be in ascending order and
he also adds the iProc UART3 debug address since that is a common
location for iProc based designs.
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Merge tag 'arm-soc/for-4.19/soc' of https://github.com/Broadcom/stblinux into next/soc
This pull request contains Broadcom ARM-based SoCs platform changes for
4.19, please pull the following:
- Clement re-orders the UART debug entries to be in ascending order and
he also adds the iProc UART3 debug address since that is a common
location for iProc based designs.
* tag 'arm-soc/for-4.19/soc' of https://github.com/Broadcom/stblinux:
ARM: debug: fix BCM2836 order entry
ARM: debug: Add iProc UART3 debug addresses
Signed-off-by: Olof Johansson <olof@lixom.net>
As documented in GCC naked functions should only use basic ASM
syntax. The extended ASM or mixture of basic ASM and "C" code is
not guaranteed. Currently this works because it was hard coded
to follow and check GCC behavior for arguments and register
placement.
Furthermore with clang using parameters in Extended asm in a
naked function is not supported:
arch/arm/firmware/trusted_foundations.c:47:10: error: parameter
references not allowed in naked functions
: "r" (type), "r" (arg1), "r" (arg2)
^
Use a regular function to be more portable. This aligns also with
the other SMC call implementations e.g. in qcom_scm-32.c and
bcm_kona_smc.c.
Cc: Dmitry Osipenko <digetx@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
All users now register platform devices using the ti-aemif driver.
Remove the handcrafted aemif API.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in mityomapl138.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in dm646x-evm.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in da830-evm.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in dm644x-evm.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in dm365-evm.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now support board files in the aemif driver. Register a platform
device instead of using the handcrafted API in da850-evm.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
We now have support for aemif & nand from board files. As an example
add support for nand to da850-hawk.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Add support for RTC mode to low level suspend code. This includes
providing the rtc base address for the assembly code to configuring the
PMIC_PWR_EN line late in suspend to enter RTC+DDR mode.
Note: This patch also fold in left out space parameter for
am33xx_emif_sram_table and am43xx_emif_sram_table
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add an argument to the sleep33xx and sleep43xx code to allow us to set
flags to determine which portions of the code get called in order to use
the same code for multiple power saving modes. This patch allows us to
decide whether or not we flush and disable caches, save EMIF context,
put the memory into self refresh and disable the EMIF, and/or invoke
the wkup_m3 when entering into WFI.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reuse DEFINE_SHOW_ATTRIBUTE() macro instead of open coding file
operations followed by custom ->open() callbacks per each attribute.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When the RTC lock and unlock functions were introduced it was likely
assumed that they would always be called from irq enabled context, hence
the use of local_irq_disable/enable. This is no longer true as the
RTC+DDR path makes a late call during the suspend path after irqs
have been disabled to enable the RTC hwmod which calls both unlock and
lock, leading to IRQs being reenabled through the local_irq_enable call
in omap_hwmod_rtc_lock call.
To avoid this change the local_irq_disable/enable to
local_irq_save/restore to ensure that from whatever context this is
called the proper IRQ configuration is maintained.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Initialization of several Amstrad Delta devices was once moved to
late_initcall by commit f7519d8c82 ("ARM: OMAP1: ams-delta: register
latch dependent devices later"). The purpose of that move was to allow
smooth conversion of Amstrad Delta latches to GPIO.
After successful conversion only ams_delta_serio driver was moved back
to device_initcall by commit 8d09a1bb31 ("input: serio: ams-delta:
toggle keyboard power over GPIO"). Registration of ams-delta-nand and
lcd_ams_delta devices was kept in late_initcall in order to avoid
corrupt data reported by the serio driver on boot. Registration of
cx20442-codec device was kept there for it to be probed after a
regulator on which it depended was ready.
The issue of "keybrd_dataout" GPIO pin not initilized to GPIO_OUT_LOW
before other latch2 pins causing the corruption have been apparently
fixed by commit 5322c19b117a ("ARM: OMAP1: ams-delta: Hog
"keybrd_dataout" GPIO pin"). In turn, the issue of missing regulator
has been fixed by commit 50c678772a ("ASoC: cx20442: Don't ignore
regulator_get() errors.").
Simplify the board init code by moving registration of those devices
back to init_machine.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Instead of exporting the FIQ buffer symbol to be used in
ams-delta-serio driver, pass it to the driver as platform_data.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The driver still obtains IRQ number from a hardcoded GPIO. Use IRQ
resource instead.
For this to work on Amstrad Delta, add the IRQ resource to
ams-delta-serio platform device structure. Obtain the IRQ number
assigned to "keybrd_clk" GPIO pin from FIQ initialization routine.
As a benefit, the driver no longer needs to include
<mach/board-ams-delta.h>.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Split the header file into two parts and move them to directories where
they belong.
Information on internal structure of FIQ buffer is moved to
<linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use.
Other information used by ams-delta board init file and FIQ code is
made local to mach-omap1 root directory.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
From the very beginning, input GPIO pins of ams-delta serio port have
been used by FIQ handler, not serio driver.
Don't request those pins from the ams-delta-serio driver any longer,
instead keep them requested and initialized by the FIQ initialization
routine which already requests them and releases while identifying GPIO
IRQs.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With introduction of GPIO lookup tables to Amstrad Delta board init
file, semantics of symbols representing OMAP GPIO pins defined in
<mach/board-ams-delta.h> changed from statically assigned global GPIO
numbers to hardware pin numbers local to OMAP "gpio-0-15" chip.
This patch modifies deferred FIQ interrupt handler so it no longer uses
static GPIO numbers in favour of IRQ data descriptors obtained at FIQ
initialization time from descriptor of the GPIO chip with use of its
hardware pin numbers. The chip descriptor is passed from the board
init file.
As a benefit, the deferred FIQ handler should work faster.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[tony@atomide.com: removed duplicate gpiochip_match_by_label]
Signed-off-by: Tony Lindgren <tony@atomide.com>
* Convert to SPDX identifier
* Remove legacy SMP fallback code
Geert Uytterhoeven says "R-Car H2 and M2-W have been supporting SMP
enablement from DT using the "renesas,apmu" enable-method since v4.8.
A legacy fallback was left in place for backwards compatibility with old
DTBs.
This patch series removes the legacy SMP fallbacks for R-Car H2 and
M2-W, and consolidates their support in the common R-Car Gen2 machine
definition.2
* APMU cleanups after legacy SMP fallback removal
- Move cpu_leave_lowpower() from HOTPLUG_CPU || SUSPEND section to the
SUSPEND section as it is only used for suspend
- Remove shmobile_smp_apmu_prepare_cpus() as it is no longer used
- Remove platsmp-apmu.h
* Drop legacy SYSC fallbacks
Geert Uytterhoeven says "When DT SYSC support was introduced in v4.7,
legacy fallbacks were kept to keep secondary CPUs working on R-Car H1,
H2, and M2-W using old DTBs. However, the time has come to drop these
fallbacks, and clean up the resulting code"
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Merge tag 'renesas-arm-soc-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Renesas ARM Based SoC Arm SoC Updates for v4.19
* Convert to SPDX identifier
* Remove legacy SMP fallback code for R-CAR H2 and M2-W
- DT enablement has been in since 4.8, no longer needed
* APMU cleanups after legacy SMP fallback removal
* Drop legacy SYSC fallback code for R-Car H1, H2 and M2-W
- DT enablement has been in since 4.7, no longer needed.
* tag 'renesas-arm-soc-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: convert to SPDX identifier
soc: renesas: rcar-sysc: Drop legacy handling
ARM: shmobile: r8a7779: Remove explicit SYSC config and init
ARM: shmobile: r8a7779: Use rcar_sysc_power_{down,up}_cpu()
soc: renesas: rcar-sysc: Provide helpers to power up/down CPUs
ARM: shmobile: r8a7779: Stop powering down secondary CPUs during early boot
ARM: shmobile: rcar-gen2: Remove explicit SYSC config and init
ARM: shmobile: apmu: Remove platsmp-apmu.h
ARM: shmobile: apmu: Remove obsolete shmobile_smp_apmu_prepare_cpus()
ARM: shmobile: apmu: Move cpu_leave_lowpower() to SUSPEND section
ARM: shmobile: Remove unused shmobile_smp_init_fallback_ops()
ARM: shmobile: r8a7791: Use common R-Car Gen2 machine definition
ARM: shmobile: r8a7791: Remove legacy SMP fallback code
ARM: shmobile: r8a7790: Use common R-Car Gen2 machine definition
ARM: shmobile: r8a7790: Remove legacy SMP fallback code
Signed-off-by: Olof Johansson <olof@lixom.net>
"keybrd_dataout" GPIO pin used to be initialized by ams-delta-serio
driver to a state safe for ams-delta-serio device function and not
changed thereafter. As such, it may be assumed not under the driver
control and responsibility for its initialization handed over to board
init file.
Introduce a GPIO hog table and take over control of the
"keybrd_dataout" GPIO pin from the ams-delta-serio driver.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Modify the driver so it no longer requests and manipulates the
"keybrd_pwr" GPIO pin but a "vcc" regulator supply instead.
For this to work with Amstrad Delta, define a regulator over the
"keybrd_pwr" GPIO pin with the "vcc" supply for ams-delta-serio device
and register it from the board file. Both assign an absulute GPIO
number to the soon depreciated .gpio member of the regulator config
structure, and also build and register a GPIO lookup table so it is
ready for use by the regulator driver as soon as its upcoming update
is applied.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Convert the driver to an "ams-delta-serio" platform driver. For it to
be used with Amstrad Delta, register an "ams-delta-serio" platform
device from the board init file.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
GPIO lookup table for ams-delta-serio device was introduced by commit
0486738928 ("ARM: OMAP1: ams-delta: add GPIO lookup tables").
Unfortunately, a follow up patch "Input: ams_delta_serio: use GPIO
lookup table" was not accepted by subystem maintainer who requested
conversion of the driver to a platform driver, replacepemnt of IRQ GPIO
pin with IRQ resource, replacement of GPIO pin providing keyboard power
with a regulator and removal of remaining GPIO pins from the driver as
not handled by it.
Let's start with removal of the no longer needed GPIO lookup table from
the board init file.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Assign a label to latch1 GPIO device the LEDs hang off, enumerate its
pins for the purpose of indexing gpio_led table, remove hardcoded GPIO
numbers from that table replacing them with invalid GPIO numbers and
remove initialization of incompletely described LED device from
machine_init.
As soon as the latch1 GPIO device is registered, use its label to find
respective GPIO chip, identify each LED's GPIO descriptor by its pin
number and assign its gobal GPIO number to the gpio_led table. Once
completed, register the LED device.
Created and tested against linux-v4.17-rc3.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Before the board level GPIO handling is converted from GPIO numbers to
GPIO descriptors, split late_init() into functional blocks and move
them to separate functions.
While being at it, drop machine type check from late_init() - the
function is now called from the board init_late callback so there is
no need for yet another applicability check.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
gpio_led are not supposed to change at runtime.
struct gpio_led_platform_data working with const gpio_led
provided by <linux/leds.h>. So mark the non-const structs
as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect detection
and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, on of
which solves booting with third-party u-boot.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect
detection and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, one
of which solves booting with third-party u-boot"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: hikey960: Define wl1837 power capabilities
arm64: dts: hikey: Define wl1835 power capabilities
ARM64: dts: meson-gxl: fix Mali GPU compatible string
ARM64: dts: meson-axg: fix ethernet stability issue
ARM64: dts: meson-gx: fix ATF reserved memory region
ARM64: dts: meson-gxl-s905x-p212: Add phy-supply for usb0
ARM64: dts: meson: fix register ranges for SD/eMMC
ARM64: dts: meson: disable sd-uhs modes on the libretech-cc
ARM: dts: da850: Fix interrups property for gpio
ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD
and fixes interrupt property for DA850 SoC GPIO as defined in
device-tree.
Both of these are not introduced with v4.18 merge but have
existed prior.
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Merge tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
This fixes polarity of SD card write-protect pin on DA850 EVM
and fixes interrupt property for DA850 SoC GPIO as defined in
device-tree.
Both of these are not introduced with v4.18 merge but have
existed prior.
* tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850: Fix interrups property for gpio
ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD
Signed-off-by: Olof Johansson <olof@lixom.net>
A handful of fixes, nothing really concerning and most touching devicetree
files for various platforms.
I also regenerated the shared multiplatform defconfigs; they have drifted
quite a bit due to Kconfig changes and reordering, and several platform
maintainers tried doing the same which resulted in a lot of conflict pain
-- this way we get everybody onto the same base for next merge window.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A handful of fixes, nothing really concerning and most touching
devicetree files for various platforms.
I also regenerated the shared multiplatform defconfigs; they have
drifted quite a bit due to Kconfig changes and reordering, and several
platform maintainers tried doing the same which resulted in a lot of
conflict pain -- this way we get everybody onto the same base for next
merge window"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
arm64: dts: uniphier: fix widget name of headphone for LD11/LD20 boards
ARM: dts: Fix SPI node for Arria10
arm64: dts: stratix10: Fix SPI nodes for Stratix10
qcom: cmd-db: enforce CONFIG_OF_RESERVED_MEM dependency
ARM: Always build secure_cntvoff.S on ARM V7 to fix shmobile !SMP build
ARM: multi_v7_defconfig: renormalize based on recent additions
arm64: defconfig: renormalize based on recent additions
arm64: dts: msm8916: fix Coresight ETF graph connections
arm64: dts: apq8096-db820c: disable uart0 by default
ARM: dts: imx6sx: fix irq for pcie bridge
arm64: dts: Stingray: Fix I2C controller interrupt type
arm64: dts: ns2: Fix PCIe controller interrupt type
arm64: dts: ns2: Fix I2C controller interrupt type
arm64: dts: specify 1.8V EMMC capabilities for bcm958742t
arm64: dts: specify 1.8V EMMC capabilities for bcm958742k
ARM: dts: Cygnus: Fix PCIe controller interrupt type
ARM: dts: Cygnus: Fix I2C controller interrupt type
ARM: dts: BCM5301x: Fix i2c controller interrupt type
ARM: dts: HR2: Fix interrupt types for i2c and PCIe
ARM: dts: NSP: Fix PCIe controllers interrupt types
...
As of commit cad160ed0a ("ARM: shmobile: Convert file to use
cntvoff"), there's no non-SMP code left in headsmp-apmu.S.
Hence build the file for SMP only, and drop the no longer needed check
for CONFIG_SMP inside the file.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
