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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As usual, this is the massive branch we have for each release. Lots
of various updates and additions of hardware descriptions on existing
hardware, as well as the usual additions of new boards and SoCs.
This is also the first release where we've started mixing 64- and
32-bit DT updates in one branch.
(Specific details on what's actually here and new is pretty easy to
tell from the diffstat, so there's little point in duplicating listing
it here)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (499 commits)
ARM: dts: uniphier: add system-bus-controller nodes
ARM64: juno: disable NOR flash node by default
ARM: dts: uniphier: add outer cache controller nodes
arm64: defconfig: Enable PCI generic host bridge by default
arm64: Juno: Add support for the PCIe host bridge on Juno R1
Documentation: of: Document the bindings used by Juno R1 PCIe host bridge
ARM: dts: uniphier: add I2C aliases for ProXstream2 boards
dts/Makefile: Add build support for LS2080a QDS & RDB board DTS
dts/ls2080a: Add DTS support for LS2080a QDS & RDB boards
dts/ls2080a: Update Simulator DTS to add support of various peripherals
dts/ls2080a: Remove text about writing to Free Software Foundation
dts/ls2080a: Update DTSI to add support of various peripherals
doc: DTS: Update DWC3 binding to provide reference to generic bindings
doc/bindings: Update GPIO devicetree binding documentation for LS2080A
Documentation/dts: Move FSL board-specific bindings out of /powerpc
Documentation: DT: Add entry for FSL LS2080A QDS and RDB boards
arm64: Rename FSL LS2085A SoC support code to LS2080A
arm64: Use generic Layerscape SoC family naming
ARM: dts: uniphier: add ProXstream2 Vodka board support
ARM: dts: uniphier: add ProXstream2 Gentil board support
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'x86/amd' into next
Conflicts:
drivers/iommu/amd_iommu_types.h
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Exynos SoC Device Tree bindings are spread over arm/exynos/ and
arm/samsung/ directories. There is no need for that separation and it
actually confuses. Put power domain bindings under power/ and
remaining samsung-boards.txt under arm/samsung/.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Despite being a platform device, the SMMUv3 is capable of signaling
interrupts using MSIs. Hook it into the platform MSI framework and
enjoy faults being reported in a new and exciting way.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[will: tidied up the binding example and reworked most of the code]
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The DSP processor sub-systems on DRA7xx have two MMU instances
each, one for the processor core and the other for an internal
EDMA block. These MMUs need an additional shared register to be
programmed in the DSP_SYSTEM sub-module to be enabled properly.
The OMAP IOMMU bindings is updated to account for this additional
syscon property required for these DSP IOMMU instances on DRA7xx
SoCs. A new compatible "ti,dra7-dsp-iommu" is also defined to
distinguish these devices specifically from other DRA7 IOMMU
devices.
An example of the DRA7 DSP IOMMU nodes is also added to the
document for clarity.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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'x86/amd', 'ppc/pamu' and 'core' into next
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The OMAP IOMMU bindings is updated to reflect the required #iommu-cells
property.
Signed-off-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Currently, we detect whether the SMMU has coherent page table walk
capability from the IDR0.CTTW field, and base our cache maintenance
decisions on that. In preparation for fixing the bogus DMA API usage,
however, we need to ensure that the DMA API agrees about this, which
necessitates deferring to the dma-coherent property in the device tree
for the final say.
As an added bonus, since systems exist where an external CTTW signal
has been tied off incorrectly at integration, allowing DT to override
it offers a neat workaround for coherency issues with such SMMUs.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Hisilicon SMMUv3 devices treat CMD_PREFETCH_CONFIG as a illegal command,
execute it will trigger GERROR interrupt. Although the gerror code manage
to turn the prefetch into a SYNC, and the system can continue to run
normally, but it's ugly to print error information.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
[will: extended binding documentation]
Signed-off-by: Will Deacon <will.deacon@arm.com>
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This patch adds device-tree bindings for ARM SMMUv3 IOMMU devices.
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"DT changes continue to be the bulk of our merge window contents.
We continue to have a large set of changes across the board as new
platforms and drivers are added.
Some of the new platforms are:
- Alphascale ASM9260
- Marvell Armada 388
- CSR Atlas7
- TI Davinci DM816x
- Hisilicon HiP01
- ST STiH418
There have also been some sweeping changes, including relicensing of
DTS contents from GPL to GPLv2+/X11 so that the same files can be
reused in other non-GPL projects more easily. There's also been
changes to the DT Makefile to make it a little less conflict-ridden
and churny down the road"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (330 commits)
ARM: dts: Add PPMU node for exynos4412-trats2
ARM: dts: Add PPMU node for exynos3250-monk and exynos3250-rinato
ARM: dts: Add PPMU dt node for exynos4 and exynos4210
ARM: dts: Add PPMU dt node for exynos3250
ARM: dts: add mipi dsi device node for exynos4415
ARM: dts: add fimd device node for exynos4415
ARM: dts: Add syscon phandle to the video-phy node for Exynos4
ARM: dts: Add sound nodes for exynos4412-trats2
ARM: dts: Fix CLK_MOUT_CAMn parent clocks assignment for exynos4412-trats2
ARM: dts: Fix CLK_UART_ISP_SCLK clock assignment in exynos4x12.dtsi
ARM: dts: Add max77693 charger node for exynos4412-trats2
ARM: dts: Switch max77686 regulators to GPIO control for exynos4412-trats2
ARM: dts: Add suspend configuration for max77686 regulators for exynos4412-trats2
ARM: dts: Add Maxim 77693 fuel gauge node for exynos4412-trats2
ARM: dts: am57xx-beagle-x15: Fix USB2 mode
ARM: dts: am57xx-beagle-x15: Add extcon nodes for USB
ARM: dts: dra72-evm: Add extcon nodes for USB
ARM: dts: dra7-evm: Add extcon nodes for USB
ARM: dts: rockchip: move the hdmi ddc-i2c-bus property to the actual boards
ARM: dts: rockchip: enable vops and hdmi output on rk3288-firefly and -evb
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This patch replaces all custom samsung,power-domain dt
properties with generic power domain bindings and updates
documentation Samsung's devices referring to old binding.
Suggested-by: Kevin Hilman <khilman@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
[javier.martinez@collabora.co.uk: tested on the Exynos5800 Peach Pi Chromebook]
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add binding documentation for Rockchip IOMMU.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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MMU-401 is similar to MMU-400, but updated with limited ARMv8 support.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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'arm/exynos' and 'core' into next
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This commit introduces a generic device tree binding for
IOMMU devices. Only a very minimal subset is described
here, but it is enough to cover the requirements of both the
Exynos System MMU and Tegra SMMU as discussed here:
https://lkml.org/lkml/2014/4/27/346
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The ARM SMMU driver has supported chained SMMUs (i.e. SMMUs connected
back-to-back in series) via the smmu-parent property in device tree.
This was in anticipation of somebody building such a configuration,
however that seems not to be the case.
This patch removes the unused chained SMMU hack from the driver. We can
consider adding it back later if somebody decided they need it, but for
the time being it's just pointless mess that we're carrying in mainline.
Removal of the feature also makes migration to the generic IOMMU bindings
easier.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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The current dt binding for Exynos System MMU can be changed, if found
incompatible with the support for "Generic IOMMU Binding".
This patch adds a note to the binding documentation stating the same.
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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This patch adds a description of the device tree binding for the
Samsung Exynos System MMU.
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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'arm/shmobile' and 'x86/vt-d' into next
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This patch adds the iommu bindings for all OMAP2+ SoCs. Apart from
the standard bindings used by OMAP peripherals, this patch uses a
'dma-window' (already used by Tegra SMMU) and adds two OMAP custom
bindings - 'ti,#tlb-entries' and 'ti,iommu-bus-err-back'.
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
[s-anna@ti.com: split bindings document, add dra7 and bus error back]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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This patch adds descriptions for new properties of the device tree
binding for the ARM SMMU architecture. These properties control
arm-smmu driver options.
Cc: Grant Likely <grant.likely@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
[will: removed device isolation property, as this has been dropped and
fixed up spacing in documentation]
Signed-off-by: Will Deacon <will.deacon@arm.com>
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This patch adds a description of the device tree binding for the ARM
System MMU architecture.
Cc: Rob Herring <robherring2@gmail.com>
Cc: Andreas Herrmann <andreas.herrmann@calxeda.com>
Cc: Joerg Roedel <joro@8bytes.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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The necessary info is expected to pass from DT.
For more precise resource reservation, there shouldn't be any
overlapping of register range between SMMU and MC. SMMU register
offset needs to be calculated correctly, based on its register bank.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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DT passes the exact GART register ranges without any overlapping with
MC register ranges. GART register offset needs to be adjusted by one
passed by DT correctly.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This commit adds device tree support for the GART hardware available on
NVIDIA Tegra 20 SoCs.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Linus Torvalds
Joerg Roedel
Krzysztof Kozlowski
Marc Zyngier
Suman Anna
Robin Murphy
Zhen Lei
Will Deacon
Marek Szyprowski
Laurent Pinchart
Daniel Kurtz
Thierry Reding
Shaik Ameer Basha
Cho KyongHo
Joerg Roedel
Florian Vaussard
Andreas Herrmann
Hiroshi Doyu
Thierry Reding