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Renesas ARM based SoC SMP updates for v3.13
* Add CPU notifier based SCU boot vector code
- Use on emev2, r8a7779 and sh73a0 SoCs
- Remove now unused shmobile_smp_scu_boot_secondary()
* Add shared APMU SMP support code
- Use to add SMP support for r8a7790 SoC
* Introduce shmobile_boot_size
* Expose shmobile_invalidate_start()
* Introduce shmobile_smp_cpu_disable()
- Use on sh73a0 SoC
- Remove now unused shmobile_smp_init_cpus()
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
From Simon Horman:
Renesas ARM based SoC board updates for v3.13
* Display Unit support for lager and marzen boards
* Update regulators for MMC0, SDHI0 and SDHI1 on ape6evm board
* Enable use of FPGA on bockw board
* Add sounds support to bockw board
* Add USB function support to bockw board
* Add Koelsch board
* Disable MMCIF command completion signal on ape6evm, armadillo800eva,
kzm9g and lager boards.
* tag 'renesas-boards-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: lager: disable MMCIF Command Completion Signal, add CLK_CTRL2
ARM: shmobile: kzm9g: disable MMCIF Command Completion Signal
ARM: shmobile: armadillo800eva: disable MMCIF Command Completion Signal
ARM: shmobile: ape6evm: disable MMCIF Command Completion Signal
ARM: shmobile: bockw: add USB Function support
ARM: shmobile: Koelsch support
ARM: shmobile: bockw: add R-Car sound support (PIO)
ARM: shmobile: bockw: enable global use of FPGA
ARM: shmobile: lager: Fix Display Unit platform data
ARM: shmobile: ape6evm: update MMC0, SDHI0 and SDHI1 with correct regulators
ARM: shmobile: lager: Add Display Unit support
ARM: shmobile: marzen: Add Display Unit support
ARM: shmobile: r8a7778: add usb phy power control function
ARM: shmobile: r8a7778: add USBHS clock
ARM: shmobile: r8a7791 CMT support
ARM: shmobile: r8a7791 SCIF support
ARM: shmobile: Initial r8a7791 SoC support
ARM: shmobile: r8a7778: add SSI/SRU clock support
ARM: shmobile: r8a7790: Add DU and LVDS clocks
ARM: shmobile: r8a7779: Rename DU device in clock lookups list
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Renesas ARM based SoC SMP updates for v3.13
* Add CPU notifier based SCU boot vector code
- Use on emev2, r8a7779 and sh73a0 SoCs
- Remove now unused shmobile_smp_scu_boot_secondary()
* Add shared APMU SMP support code
- Use to add SMP support for r8a7790 SoC
* Introduce shmobile_boot_size
* Expose shmobile_invalidate_start()
* Introduce shmobile_smp_cpu_disable()
- Use on sh73a0 SoC
- Remove now unused shmobile_smp_init_cpus()
* tag 'renesas-smp-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Include CA7 cores in APMU table
ARM: shmobile: Extend APMU code to allow single cluster only
ARM: shmobile: Remove shmobile_smp_scu_boot_secondary()
ARM: shmobile: Let r8a7779 rely on SCU CPU notifier
ARM: shmobile: Let EMEV2 rely on SCU CPU notifier
ARM: shmobile: Let sh73a0 rely on SCU CPU notifier
ARM: shmobile: Add CPU notifier based SCU boot vector code
ARM: shmobile: Add r8a7790 SMP support using APMU code
ARM: shmobile: Shared APMU SMP support code without DT
ARM: shmobile: Introduce shmobile_boot_size
ARM: shmobile: Expose shmobile_invalidate_start()
ARM: shmobile: Remove unused shmobile_smp_init_cpus()
ARM: shmobile: Use shmobile_smp_cpu_disable() on sh73a0
ARM: shmobile: Introduce shmobile_smp_cpu_disable()
ARM: shmobile: r8a7790: Constify platform data and resources
ARM: shmobile: Rename to r8a7790_init_early()
ARM: shmobile: Rename to r8a73a4_init_early()
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Renesas ARM based SoC updates for v3.13
* Add support for r8a7791 SoC
* Rename DU device in clock lookups list of r8a7779 SoC
* USB and SSI/SRU clock support for r8a7778 SoC
* USB phy power control function support for r8a7778 SoC
* tag 'renesas-soc-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7778: add usb phy power control function
ARM: shmobile: r8a7778: add USBHS clock
ARM: shmobile: r8a7791 CMT support
ARM: shmobile: r8a7791 SCIF support
ARM: shmobile: Initial r8a7791 SoC support
ARM: shmobile: r8a7778: add SSI/SRU clock support
ARM: shmobile: r8a7790: Add DU and LVDS clocks
ARM: shmobile: r8a7779: Rename DU device in clock lookups list
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup
From Simon Horman:
Renesas ARM based SoC cleanups for v3.13
* Constify platform data and resources of r8a7790 SoC
* Rename to r8a7790_init_delay() as r8a7790_init_early()
- This is in preparation for doing more than just initialising the delay
* Rename r8a73a4_init_delay() as r8a73a4_init_early()
- This is in preparation for doing more than just initialising the delay
* tag 'renesas-cleanup-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7790: Constify platform data and resources
ARM: shmobile: Rename to r8a7790_init_early()
ARM: shmobile: Rename to r8a73a4_init_early()
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup
From Simon Horman:
* Correct incorrect placement of __initdata tag in ape6evm board code
* tag 'renesas-fixes5-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: ape6evm: fix incorrect placement of __initdata tag
(+ other patches already present in v3.12-rc4)
Signed-off-by: Olof Johansson <olof@lixom.net>
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__initdata tag should be placed between the variable name and equal
sign for the variable to be placed in the intended .init.data section.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add information to the shared APMU code regarding
the APMU instance used to control the CA7 cores.
This can be used on r8a7790 and r8a73a4, but should
most likely be converted to DT in the future.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Extend the APMU code with a check to only allow boot
of CPU cores that sit in the same cluster as CPU0.
This makes it possible for people to use the r8a790
CA7 boot mode with CA7-cores only. The default CA15
boot mode will enable CA15 cores only. This is an
intentional software limitation to cope with lacking
scheduler support.
By removing this patch it is possible to run all 8 cores
in parallel, but this is not recommended without out of tree
scheduler modfications or custom user space code to control
the CPU affinitiy.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Remove shmobile_smp_scu_boot_secondary() since
it is no longer used. CPU boot vector setup is
instead handled by CPU notifiers.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Now when CPU notifiers are used for SCU boot vector
setup shmobile_smp_scu_boot_secondary() is no longer
needed.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Now when CPU notifiers are used for SCU boot vector
setup shmobile_smp_scu_boot_secondary() is no longer
needed.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Now when CPU notifiers are used for SCU boot vector
setup shmobile_smp_scu_boot_secondary() is no longer
needed.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add CPU notifiers for the shared mach-shmobile SCU code
to allow removal of the shared SCU boot_secondary code.
Regarding notifiers, at CPU_UP_PREPARE time the SMP boot
vector is initialized so secondary CPU cores can boot.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add r8a7790 SMP support using the shared APMU code. To enable
SMP the r8a7790 specific DTS needs to be updated to include
CPU cores, and this is happening in a separate patch.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Introduce shared APMU SMP code for mach-shmobile. Both SMP boot up
and CPU Hotplug is supported. This version does not use DT but
if needed this will be added as an incremental feature patch.
The code is designed around CONFIG_NR_CPUS and should in theory support
any number of APMUs, however due to the current DT-less static design
only a single APMU is supported.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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MMCIF on r8a7790 doesn't support Command Completion Signal, but it does
implement a CE_CLK_CTRL2 register. Platform parameters have to be added to
account for these features on lager.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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MMCIF on sh73a0 doesn't support Command Completion Signal, a platform
parameter has to be added to disable it on kzm9g.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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MMCIF on r8a7740 doesn't support Command Completion Signal, a platform
parameter has to be added to disable it on armadillo800eva.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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MMCIF on r8a73a4 doesn't support Command Completion Signal, a platform
parameter has to be added to disable it on ape6evm.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Bock-W USB1 (CN29) can be USB Host/Func by SW98/SW99 settings.
USB Func will be enabled if CONFIG_USB_RENESAS_USBHS_UDC[_MODULE]
was selected on this patch
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Koelsch base board support making use of 2 GiB of memory,
the r8a7791 SoC with the SCIF0 serial port and CA15 with
CMT timer.
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
[damm@opensource.se: Forward ported to upstream, dropped not-yet-ready SMP/PFC]
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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This patch enables R-Car sound,
AK4643 (CN19) and AK4554 (CN20/CN21) codec chip
on Bock-W.
But, it supports PIO transfer only at this point.
User can check sound settings (Dip-switch/PFC etc)
via this patch, but will get under/over flow error
when playback/capture.
Because PIO transfer via SSI will be interrupted
"sampling rate" times per 1 second.
DMA transfer will be supported when HPB-DMAC was
enabled on r8a7778.
You will notice strange ALSA sound card HW
numbering on Bock-W board.
This came from AK4554 strange format on playback/capture.
The format on playback/capture is same on "normal" codec chip,
but AK4554 was different.
Because of that, AK4554 playback/capture are
registered as a different sound card.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[horms+renesas@verge.net.au: squashed cleanup of SND_SOC_xxx in
Kconfig by Kuninori Morimoto]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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This patch enables global use of FPGA,
since it will be used from many devices.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The DU device erroneously receives the DU resources array as platform
data instead of the DU platform data structure. Fix it.
This problem was introduced by f631fa0 ("ARM: shmobile: lager: Add Display
Unit support").
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Currently a dummy fixed always-on regulator is used for all 3 SD/MMC
interfaces on ape6evm. This patch updates the board to use correct supplies
for MMC0, SDHI0 and SDHI1 VDD. SDHI0 VccQ supply regulator should be
implemented in a separate patch.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Only the VGA output is currently supported.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Platform data and resources for Lager devices are kmemdup()ed when the
corresponding devices are registered and can thus be declared as const.
Do so.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Support the DU0 VGA and DU1 LVDS outputs. DU1 is connected to a
Mitsubishi AA104XD12 panel (10.4" XGA).
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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USB phy initialisation function is needed from not only
USB Host but also USB Function too.
This patch adds usb phy common control function.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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This patch adds USBHS clock for renesas_usbhs driver
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add r8a7791 CMT support via channel 0 of CMT0. At this
point the CMT is used for clock event operation, but in
the future the arch timer will be the main timer and the
CMT will be used for deep sleep wake up only.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit a7663b88280d00359715817620798e99d54d401c)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add SCIF serial port support to the r8a7791 SoC by
adding platform devices for SCIFA0 -> SCIFA5 as well
as SCIFB0 -> SCIFB2 and SCIF0 -> SCIF5 together with
clock bindings. DT device description is excluded at
this point since such bindings are still under
development.
Signed-off-by: Yoshikazu Fujikawa <yoshikazu.fujikawa.ue@renesas.com>
Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
[damm@opensource.se: Forward ported to upstream, dropped holes in enum]
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add initial support for the r8a7791 SoC including:
- Single Cortex-A15 CPU Core
- GIC
No static virtual mappings are used, all the components
make use of ioremap(). DT_MACHINE_START is still wrapped
in CONFIG_USE_OF to match other mach-shmobile code.
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
[damm@opensource.se: Forward ported to upstream, dropped not-yet-ready code]
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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r8a7778_register_hspi() used only from setup-r8a7778.c
it can be static
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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sh_eth driver which needs platform data at the time of
registration is used from BockW only.
Now, ARM/shmobile aims to support DT,
and the C code base board support will be removed
if DT support is completed.
Current driver registration method which needs platform data
and which is not shared complicates codes.
This means legacy C code cleanup after DT supporting
will be more complicated
This patch registers it on board code as cleanup C code
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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vin driver which needs platform data at the time of
registration is used from BockW only.
Now, ARM/shmobile aims to support DT,
and the C code base board support will be removed
if DT support is completed.
Current driver registration method which needs platform data
and which is not shared complicates codes.
This means legacy C code cleanup after DT supporting
will be more complicated
This patch registers it on board code as cleanup C code
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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e5c9b4cd665106d9b5397114ea81a53059410b6a ("sh_eth: get R8A7740 support
out of #ifdef") exchanged sh-eth driver name to r8a7740-gether, but,
eva_pinctrl_map[] didn't follow it. Fixes it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Currently on the Lager board NFS timeouts/delays are seen when booting. That
turned out to happen because the SoC's ETH_LINK signal turns on and off after
each packet. It is connected to Micrel KSZ8041 PHY's LED0 signal. Ether LEDs
on the Lager board are named LINK and ACTIVE which corresponds to non-default
01 setting of the PHY control register 1 bits 14-15. The 'sh_eth' driver resets
the PHY when opening the network device, so we have to set the mentioned bits
back to 01 from the default 00 value which causes bouncing of ETH_LINK. That
can be achieved using the PHY platform fixup mechanism if we also modify the
driver to use it..
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Introduce shmobile_boot_size that can be used by
future SMP code to determine the size of the boot
code that needs to be copied to internal SRAM.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Expose shmobile_invalidate_start() in common.h for
mach-shmobile. This function will be used for boot of
secondary processors on future non-SCU SMP platforms.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Remove shmobile_smp_init_cpus() since all SMP platforms in
mach-shmobile now rely on DT for CPU core description instead
of for instance determining number of cores from the SCU.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Use shmobile_smp_cpu_disable() on sh73a0 since it
allows CPU Hotplug of any CPU.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Introduce the shared CPU Hotplug function shmobile_smp_cpu_disable()
for mach-shmobile. It is useful for the case when all CPUs may be
hotplugged, including CPU 0.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add a platform clock for the r8a7778 SRU/SSI sound.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The DU device will be called rcar-du-r8a7779. Rename the clock lookup
entry accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Platform data and resources for core devices are kmemdup()ed when the
corresponding devices are registered and can thus be declared as const.
Do so.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Rename r8a7790_init_delay() into r8a7790_init_early()
to make the function name show that more than just
delay setup may happen in the future.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Rename r8a73a4_init_delay() into r8a73a4_init_early()
to make the function name show that more than just
delay setup may happen in the future.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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