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2016-05-09Merge tag 'v4.6-next-kconfig' of https://github.com/mbgg/linux-mediatek into ↵Arnd Bergmann1-0/+4
next/soc Merge "ARM: mediatek: kconfig updates for v4.7" from Matthias Brugger: Add mt2701 support * tag 'v4.6-next-kconfig' of https://github.com/mbgg/linux-mediatek: ARM: mediatek: Add MT2701 config options for mediatek SoCs.
2016-05-09Merge tag 'aspeed-for-4.7-arch' of https://github.com/shenki/linux into next/socArnd Bergmann3-0/+39
Merge "aspeed arch tag for 4.7" from Joel Stanley <joel@jms.id.au>: This is the initial pull request for the Aspeed BMC SoCs. I put 4.7 in the subject for this and the subsequent requests but if it's a bit late in the cycle then I understand. Following review I got rid of the board file by pushing the functionality out to a watchdog and clock driver, so it's just the Kconfig bits. I've also added myself to maintainers for the Aspeed arch and drivers as I intend on looking after them. * tag 'aspeed-for-4.7-arch' of https://github.com/shenki/linux: arm: Add Aspeed machine
2016-05-09MAINTAINERS: ARM/Amlogic: add co-maintainer, misc. updatesKevin Hilman1-1/+4
Add myself as co-maintainer, update mailing list entry and add a couple more directories. Signed-off-by: Kevin Hilman <khilman@baylibre.com> Acked-by: Carlo Caione <carlo@caione.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-09Merge tag 'davinci-for-v4.7/doc' of ↵Arnd Bergmann1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc Merge "DaVinci documentation update for v4.7" from Sekhar Nori: MAINTAINERS file update to fix some stale entries. * tag 'davinci-for-v4.7/doc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: MAINTAINERS: fix stale TI DaVinci entries
2016-05-09Merge tag 'imx-soc-4.7' of ↵Arnd Bergmann1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc Merge "The i.MX SoC updates for 4.7" from Shawn Guo": - Allow TWD to be used on UP kernel, as the PREEMPT-RT and cyclictest shows that TWD has a slightly better performance than i.MX timer. * tag 'imx-soc-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: imx: always use TWD on IMX6Q
2016-05-09Merge tag 'mvebu-soc-4.7-1' of git://git.infradead.org/linux-mvebu into next/socArnd Bergmann3-6/+3
Merge "mvebu soc for 4.7" from Gregory CLEMENT: - Clock framework cleanup with the "Remove CLK_IS_ROOT" series * tag 'mvebu-soc-4.7-1' of git://git.infradead.org/linux-mvebu: ARM: dove: Remove CLK_IS_ROOT ARM: orion5x: Remove CLK_IS_ROOT ARM: mv78xx0: Remove CLK_IS_ROOT
2016-05-09Merge tag 'davinci-for-v4.7/soc-part2' of ↵Arnd Bergmann8-55/+42
git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc Merge "DaVinci SoC updates for v4.7 (part 2)" from Sekhar Nori: These patches provide ability to add non-PSC clocks to DaVinci clock framwork and are required to support USB PHY clock setting from USB PHY driver. * tag 'davinci-for-v4.7/soc-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: davinci: da850: use clk->set_parent for async3 ARM: davinci: Move clock init after ioremap.
2016-05-09Merge tag 'lpc32xx-soc-4.7' of git://github.com/vzapolskiy/linux-lpc32xx ↵Arnd Bergmann3-119/+2
into next/soc Merge "NXP LPC32xx mach updates for v4.7" from Vladimir Zapolskiy: This includes a few nonfunctional clean-ups for NXP LPC32xx: * removed leftover from restart code migration to a watchdog driver * removed dead code leftovers from migration to CCF driver * fix double const qualifier * tag 'lpc32xx-soc-4.7' of git://github.com/vzapolskiy/linux-lpc32xx: ARM: lpc32xx: remove duplicate const on lpc32xx_auxdata_lookup ARM: lpc32xx: remove leftovers of legacy clock source and provider drivers ARM: lpc32xx: remove reboot header file
2016-05-09MAINTAINERS: add ARM/NXP LPC32XX SoC specific drivers to the sectionVladimir Zapolskiy1-0/+6
The change adds a list of files for maintenance under NXP LPC32xx section, the listed files are NXP LPC32xx SoC series mach files, DTS files of NXP LPC32xx SoC powered boards and NXP LPC32xx SoC peripheral drivers, most of the peripheral driver file names match 'lpc32xx' pattern. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-09MAINTAINERS: add new maintainers of NXP LPC32xx SoCVladimir Zapolskiy1-1/+3
Roland Stigge added initial support of NXP LPC32xx SoC series and first boards powered by it, but for a while since v3.18-rc1 the SoC support is unmaintained and became stale. Vladimir Zapolskiy and Sylvain Lemieux expressed interest in continuation of NXP LPC32xx maintenance, reflect this in MAINTAINERS record file for better communication with Linux kernel community. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-09MAINTAINERS: move ARM/NXP LPC32xx record to ARM sectionVladimir Zapolskiy1-6/+6
A record of NXP LPC32xx SoC support is lost between LMxx hwmon drivers and lockdep, rename and move it to a place where all other ARM SoC and machines settle. Note, NXP LPC32xx maintenance is actually about SoC series itself, SoC peripherals and a number of machines powered by LPC32xx SoC, so while we are here correct the title name to emphasize that the maintenance concerns SoC support in general. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-09arm: Add Aspeed machineJoel Stanley3-0/+39
Aspeed devices are a common Baseboard Management Controller (BMC) system on chip containing an ARM9 or ARM11 core, off-chip DDR RAM and support for a large number of peripherals. This patch adds basic support for the ast2400 and ast2500 machines, capable of booting to a prompt in QEMU (-M palmetto-bmc), on an Palmetto OpenPower development machine, and on the ast2500 EVB. Signed-off-by: Joel Stanley <joel@jms.id.au>
2016-04-29Merge tag 'omap-for-v4.7/soc-signed' of ↵Arnd Bergmann10-174/+510
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc Merge "SoC related changes for omaps for v4.7 merge window" from Tony Lindgren: - Remove now unnecessary multi vs single SoC compile time optimizations as we are now using multiarch - Configure dra7 powerdomains - Clarify why omap-wakeupgen does not need to handle FROZEN transitions - Add dra7 module configuration for MaASP, PWMSS and timer 12 - Add RTC module configuration unlock and lock functions - Fix hwmod idle state sanity check sequence * tag 'omap-for-v4.7/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: wakeupgen: Add comment for unhandled FROZEN transitions ARM: OMAP: DRA7: powerdomain data: Remove wrong OSWR capability ARM: OMAP: DRA7: powerdomain data: Fix "ON" state for memories ARM: OMAP: DRA7: powerdomain data: Erratum i892 workaround: Disable core INA ARM: OMAP2+: remove redundant multiplatform checks ARM: OMAP2+: hwmod: fix _idle() hwmod state sanity check sequence ARM: DRA7: hwmod: Add data for GPTimer 12 ARM: AMx3xx: RTC: Add lock and unlock functions ARM: DRA7: RTC: Add lock and unlock functions ARM: OMAP2+: hwmod: RTC: Add lock and unlock functions ARM: OMAP2+: DRA7: Add hwmod entries for PWMSS ARM: DRA7: hwmod: Add data for McASP1/2/4/5/6/7/8 ARM: DRA7: clockdomain: Implement timer workaround for errata i874 ARM: OMAP2+: hwmod: Fix updating of sysconfig register
2016-04-28ARM: lpc32xx: remove duplicate const on lpc32xx_auxdata_lookupVladimir Zapolskiy1-1/+1
Remove redundant duplicate const, which is found by smatch: arch/arm/mach-lpc32xx/phy3250.c:162:42: warning: duplicate const Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
2016-04-28ARM: lpc32xx: remove leftovers of legacy clock source and provider driversVladimir Zapolskiy2-117/+1
After switching the platform to common clock framework there is no more need to keep dead code in arch/arm/mach-lpc32xx, which glued legacy clock source and clock provider drivers, remove the leftovers. Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
2016-04-28ARM: lpc32xx: remove reboot header fileSylvain Lemieux1-1/+0
The header file "reboot.h" is no longer needed, following the migration of the restart code into the pnx4008 watchdog. Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
2016-04-27ARM: dove: Remove CLK_IS_ROOTStephen Boyd1-2/+1
This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2016-04-27ARM: orion5x: Remove CLK_IS_ROOTStephen Boyd1-2/+1
This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2016-04-27ARM: mv78xx0: Remove CLK_IS_ROOTStephen Boyd1-2/+1
This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Cc: Andrew Lunn <andrew@lunn.ch> Cc: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2016-04-27ARM: davinci: da850: use clk->set_parent for async3David Lechner1-48/+33
The da850 family of processors has an async3 clock domain that can be muxed to either pll0_sysclk2 or pll1_sysclk2. Now that the davinci clocks have a set_parent callback, we can use this to control the async3 mux instead of a stand-alone function. This adds a new async3_clk and sets the appropriate child clocks. The default is use to pll1_sysclk2 since it is not affected by processor frequency scaling. Signed-off-by: David Lechner <david@lechnology.com> [nsekhar@ti.com: drop unnecessary comment] Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-27ARM: davinci: Move clock init after ioremap.David Lechner8-7/+9
Some clocks (such as the USB PHY clocks in DA8xx) will need to use iomem. The davinci_common_init() function must be called before the ioremap, so the clock init is now split out as separate function. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-26Merge tag 'ox810se-arm-v4.6-rc3' of https://github.com/superna9999/linux ↵Arnd Bergmann4-0/+36
into next/soc Merge "ARM: Add OXNAS Platform Support" from Neil Armstrong This is for the ARM926 based ox810 chip used in some older NAS appliances. There is another related ox820 chip based on ARM11 that might get added here later. * tag 'ox810se-arm-v4.6-rc3' of https://github.com/superna9999/linux: MAINTAINERS: add maintainer entry for ARM/OXNAS platform ARM: Add new mach-oxnas irqchip: versatile-fpga: add new compatible for OX810SE SoC
2016-04-26MAINTAINERS: Update ARM Versatile Express platform entryVladimir Murzin1-0/+1
This patch update ARM Versatile Express entry to cover bits needed for Cortex-M Prototyping System (MPS2 platform). So patches for the latter are collected by existing Vexpress and Juno maintainers (Liviu, Sudeep, Lorenzo) and find their way upstream via Vexpess and/or Juno trees. Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2016-04-26ARM: vexpress/mps2: introduce MPS2 platformVladimir Murzin5-1/+40
The Cortex-M Prototyping System (or V2M-MPS2) is designed for prototyping and evaluation Cortex-M family of processors including the latest Cortex-M7 It comes with a range of useful peripherals including 8MB single cycle SRAM, 16MB PSRAM, Ethernet, QSVGA touch screen panel, 4bit RGB VGA connector, Audio, SPI and GPIO. Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2016-04-26MAINTAINERS: add maintainer entry for ARM/OXNAS platformNeil Armstrong1-0/+9
Add a maintainer entry for ARM/OXNAS platform and add myself as a maintainer. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2016-04-26ARM: Add new mach-oxnasNeil Armstrong2-0/+26
Add mach-oxnas directory containing Kconfig. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2016-04-26irqchip: versatile-fpga: add new compatible for OX810SE SoCNeil Armstrong1-0/+1
Under the OX810SE, this exact same interface is used as "Reference Peripheral Specification" Interrupt Controller, so add a new compatible string in order to support the Oxford Semiconductor OX810SE SoC interrupt controller. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2016-04-26ARM: uniphier: correct the call order of of_node_put()Masahiro Yamada1-2/+2
Put nodes after of_address_to_resource() in case the nodes might be released while parsing in them. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-26Merge tag 'renesas-soc-for-v4.7' of ↵Arnd Bergmann4-54/+22
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc Merge "Renesas ARM Based SoC Updates for v4.7" from Simon Horman: Drop support for Cortex A8 in timer code * tag 'renesas-soc-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: timer: Drop support for Cortex A8 ARM: shmobile: timer: Fix preset_lpj leading to too short delays Revert "ARM: dts: porter: Enable SCIF_CLK frequency and pins" ARM: dts: r8a7791: Don't disable referenced optional clocks
2016-04-26Merge tag 'davinci-for-v4.7/soc' of ↵Arnd Bergmann7-108/+132
git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc Merge "DaVinci SoC updates for v4.7" from Sekhar Nori: These are preparatory patches to support a USB PHY driver for USB on DA850 SoC. This should eventually lead to USB working again on this device. * tag 'davinci-for-v4.7/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: davinci: clk: add set_parent callback for mux clocks ARM: davinci: da8xx: move usb code to new file ARM: davinci: use IRQCHIP_DECLARE for cp_intc ARM: davinci: remove unused DA8XX_NUM_UARTS ARM: davinci: simplify call to of populate ARM: DaVinci USB: removed deprecated properties from MUSB config
2016-04-25MAINTAINERS: fix stale TI DaVinci entriesSekhar Nori1-2/+2
Fix stale git tree entry. Patchwork project has not been updated since TI DaVinci lost its dedicated mailing list. Remove that entry. Update mailing list to point to LAKML. Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-23Merge tag 'for-v4.7/omap-hwmod-a' of ↵Tony Lindgren6-13/+442
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.7/soc ARM: OMAP2+: first set of hwmod changes for v4.7 For the DRA7xx platform, add IP block data for the McASP, PWMSS, and GPTimer12 IP blocks. Add lock and unlock functions for the RTC IP blocks on the DRA7xx, AM33xx, and AM43xx devices. And add a fix for the hwmod core for device driver unbind operations for IP blocks with hardreset lines. Basic build, boot, and PM test results are available here: http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.7/20160410132119/ Note that the testbed here does not have the DRA7xx board included yet.
2016-04-20ARM: shmobile: timer: Drop support for Cortex A8Geert Uytterhoeven1-32/+20
Commit edf4100906044225 ("ARM: shmobile: sh7372 dtsi: Remove Legacy file") removed the DTS for the last shmobile SoC with a Cortex A8 CPU core (sh7372 aka SH-Mobile AP4), hence drop support for it in the loops-per-jiffy preset code. As "div" is always 1 for supported contemporary ARM processors, we can simplify the code: - Absorb shmobile_setup_delay_hz(), which was always called with mult = div = 1, - Return earlier if the Cortex A7/A15 arch timer exists and support is enabled. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-20ARM: shmobile: timer: Fix preset_lpj leading to too short delaysGeert Uytterhoeven1-17/+11
On all shmobile ARM SoCs, loop-based delays may complete early, which can be after only 1/3 (Cortex A9) or 1/2 (Cortex A7 or A15) of the minimum required time. This is caused by calculating preset_lpj based on incorrect assumptions about the number of clock cycles per loop: - All of Cortex A7, A9, and A15 run __loop_delay() at 1 loop per CPU clock cycle, - As of commit 11d4bb1bd067f9d0 ("ARM: 7907/1: lib: delay-loop: Add align directive to fix BogoMIPS calculation"), Cortex A8 runs __loop_delay() at 1 loop per 2 instead of 3 CPU clock cycles. On SoCs with Cortex A7 and/or A15 CPU cores, this went unnoticed, as delays use the ARM arch timer if available. R-Car Gen2 doesn't work if the arch timer is disabled. However, APE6 can be used without the arch timer. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-20Revert "ARM: dts: porter: Enable SCIF_CLK frequency and pins"Sjoerd Simons1-13/+0
This reverts commit 19417bd9c511 ("ARM: dts: porter: Enable SCIF_CLK frequency and pins") as according to http://elinux.org/File:R-CarM2-KOELSCH_PORTER-B_PORTER_C_Comparison.pdf the external oscillator for SCIF_CLK is not mounted on the porter boards. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-20ARM: dts: r8a7791: Don't disable referenced optional clocksSjoerd Simons3-4/+3
clk_get on a disabled clock node will return EPROBE_DEFER, which can cause drivers to be deferred forever if such clocks are referenced in their clocks property. Update the various disabled external clock nodes to default to a frequency of 0, but don't disable them to prevent this. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-14ARM: davinci: clk: add set_parent callback for mux clocksDavid Lechner2-1/+19
Introduce a set_parent callback that will be used for mux clocks, such as the USB PHY muxes and the async3 clock domain mux. Signed-off-by: David Lechner <david@lechnology.com> [nsekhar@ti.com: checkpatch fixes] Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14ARM: davinci: da8xx: move usb code to new fileDavid Lechner3-75/+109
We will be adding more da8xx-specific code for phy and clocks, so it will be better to have this in a separate file. This way we don't have a bunch of #ifdefs for all of the da8xx stuff. While at it, fix some checkpatch warnings coming from existing code. Signed-off-by: David Lechner <david@lechnology.com> [nsekhar@ti.com: typo and checkpatch fixes] Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14ARM: davinci: use IRQCHIP_DECLARE for cp_intcDavid Lechner2-11/+3
Remove boilerplate code by using IRQCHIP_DECLARE macro. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14ARM: davinci: remove unused DA8XX_NUM_UARTSDavid Lechner1-2/+0
DA8X_NUM_UARTS not used in the code anywhere and should be determined by DT anyway. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14ARM: davinci: simplify call to of populateDavid Lechner1-3/+1
Take advantage of of_platoform_default_populate convience function. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14ARM: DaVinci USB: removed deprecated properties from MUSB configPetr Kulhavy1-16/+0
The following properties of the musb_hdrc_config structure are deprecated and no longer required/used by the MUSB driver: .dyn_fifo .soft_con .dma .dma_channels .eps_bits Signed-off-by: Petr Kulhavy <petr@barix.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2016-04-14Merge tag 'sti-soc-for-v4.7-1' of ↵Olof Johansson2-5/+6
git://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/sti into next/soc Highlights: ----------- - Add CPUFreq and RProc drivers to STI maintainers file list - Improve STi's menuconfig help entry * tag 'sti-soc-for-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/sti: ARM: STi: Update platform level menuconfig 'help' MAINTAINERS: Add ST's Remote Processor Driver to ARM/STI ARCHITECTURE MAINTAINERS: Add ST's CPUFreq driver to the STI file list Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-14ARM: OMAP2+: wakeupgen: Add comment for unhandled FROZEN transitionsAnna-Maria Gleixner1-0/+5
FROZEN hotplug notifiers are not handled and do not have to be. Insert a comment to remember that the lack of the FROZEN transitions is no accident. Cc: Tony Lindgren <tony@atomide.com> Cc: Santosh Shilimkar <ssantosh@kernel.org> Cc: linux-omap@vger.kernel.org Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-04-14ARM: OMAP: DRA7: powerdomain data: Remove wrong OSWR capabilityNishanth Menon1-7/+7
Open Switch Retention(OSWR) is a retention state which is unsupported in DRA7 SoC. This state is achieved when power state is set to retention and logic power state is set to OFF. Even though DRA7 architecture is a OMAP derivative, none of the powerdomains are actually implemented to achieve OSWR in the SoC. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-04-14ARM: OMAP: DRA7: powerdomain data: Fix "ON" state for memoriesNishanth Menon1-33/+33
When the power domain is in "ON" state, the memories should be always in "ON", even though the hardware register allows other states to be written, wrong states may confuse certain hardware blocks. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-04-14ARM: OMAP: DRA7: powerdomain data: Erratum i892 workaround: Disable core INANishanth Menon1-1/+1
Erratum i892 as will be documented in the upcoming G or later revision of DRA7xx/ AM57xx errata documentation (SPRZ398F) states that L3 clock needs to be kept active all the time to ensure that asymmetric aging degradation is minimal and within the design allowed margin. By allowing core domain to transition to INA and allowing L3 clock to be turned off for extended periods of time, there is a risk of functional issues and device failure as a result. Ref: http://www.ti.com/lit/er/sprz429h/sprz429h.pdf Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-04-13ARM: OMAP2+: remove redundant multiplatform checksJonas Rabenstein2-120/+22
The directory arch/arm/mach-omap2 is only selected for compilation if CONFIG_ARCH_OMAP2PLUS is selected. CONFIG_ARCH_OMAP2PLUS itself is a silent option and all machines selecting this option are multiplatform devices. As a consequence checks for CONFIG_ARCH_MULTIPLATFORM as well as CONFIG_ARCH_OMAP2PLUS within that directory are superfluous and can be removed. Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-04-13Merge tag 'at91-soc' of ↵Olof Johansson4-20/+97
git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/soc First SoC batch for 4.7: - chipid registers reading for SoC detection * tag 'at91-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: ARM: at91/soc: reference the whole sama5d2 family ARM: at91: use chipid device for soc detection Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-13ARM: mediatek: Add MT2701 config options for mediatek SoCs.Erin Lo1-0/+4
The upcoming MTK pinctrl driver have a big pin table for each SoC and we don't want to bloat the kernel binary if we don't need it. Add config options so we can build for one SoC only. Add MT2701. Signed-off-by: Erin Lo <erin.lo@mediatek.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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