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2013-12-11dma: tegra: register as an OF DMA controllerStephen Warren
Call of_dma_controller_register() so that DMA clients can look up the Tegra DMA controller using standard APIs. This requires the of_xlate() function to save off the DMA slave ID, and for tegra_dma_slave_config() not to over-write this information; once DMA client drivers are converted to dma_request_slave_channel() and DT-based lookups, they won't set this field of struct dma_slave_config anymore. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Thierry Reding <treding@nvidia.com>
2013-12-11dma: tegra: use reset frameworkStephen Warren
Tegra's clock driver now provides an implementation of the common reset API (include/linux/reset.h). Use this instead of the old Tegra- specific API; that will soon be removed. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Vinod Koul <vinod.koul@intel.com>
2013-12-11ARM: tegra: pass reset to tegra_powergate_sequence_power_up()Stephen Warren
Tegra's clock driver now provides an implementation of the common reset API (include/linux/reset.h). Use this instead of the old Tegra- specific API; that will soon be removed. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com>
2013-12-11drm/tegra: use reset frameworkStephen Warren
Tegra's clock driver now provides an implementation of the common reset API (include/linux/reset.h). Use this instead of the old Tegra- specific API; that will soon be removed. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
2013-12-11pci: tegra: use reset frameworkStephen Warren
Tegra's clock driver now provides an implementation of the common reset API (include/linux/reset.h). Use this instead of the old Tegra- specific API; that will soon be removed. The old Tegra-specific API used a struct clock to represent the module to reset. Some of the clocks retrieved during probe() were only used for reset purposes, and indeed aren't even true clocks. So, there's no need to get() them any more. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com>
2013-12-11clk: tegra: implement a reset driverStephen Warren
The Tegra CAR module implements both a clock and reset controller. So far, the driver exposes the clock feature via the common clock API and the reset feature using a custom API. This patch adds an implementation of the common reset framework API (include/linux/reset*.h). The legacy reset implementation will be removed once all drivers have been converted. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
2013-12-11ARM: tegra: select the reset frameworkStephen Warren
The Tegra clock driver is built unconditionally when Tegra support is enabled. In order to avoid having to ifdef the forthcoming reset driver implementation, have ARCH_TEGRA select RESET_CONTROLLER. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com>
2013-12-11ARM: tegra: update DT files to add DMA propertiesStephen Warren
This patch switches the Tegra DT files to use the standard DMA DT bindings rather than custom properties. Note that the legacy properties are not yet removed; the drivers must be updated to use the new properties first. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com>
2013-12-11ARM: tegra: update DT files to add reset propertiesStephen Warren
An earlier patch updated the Tegra DT bindings to require resets and reset-names properties to be filled in. This patch updates the DT files to include those properties. Note that any legacy clocks and clock-names entries that are replaced by reset properties are not yet removed; the drivers must be updated to use the new resets and reset-names properties first. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-12-11ARM: tegra: document use of standard DMA DT bindingsStephen Warren
Update all the Tegra DT bindings to require the standard dmas/dma-names properties rather than non-standard nvidia,dma-request-selector property. This is a DT-ABI-incompatible change. It is the second of two changes required for me to consider the Tegra DT bindings as stable, the other being the previous conversion to the common reset bindings. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-12-11ARM: tegra: document reset properties in DT bindingsStephen Warren
Update all the Tegra DT bindings to require resets/reset-names properties where the HW module has reset inputs. Remove any entries from clocks or clock-names that were only required to identify reset inputs, rather than referring to real clocks. This is a DT-ABI-incompatible change. It is the first of two changes required for me to consider the Tegra DT bindings as stable, the other being conversion to the common DMA DT bindings. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
2013-12-11ARM: tegra: add missing clock documentation to DT bindingsStephen Warren
Many of the Tegra DT binding documents say nothing about the clocks or clock-names properties, yet those are present and required in DT files. This patch simply updates the documentation file to match the implicit definition of the binding, based on real-world DT content. All Tegra bindings that mention clocks are updated to have consistent wording and formatting of the clock-related properties. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
2013-12-11Merge tag 'clk-tegra-for-3.14' into for-3.14/dmas-resets-reworkStephen Warren
Tegra clk branch for 3.14
2013-12-11Merge tag 'asoc-dma-v3.14' into for-3.14/dmas-resets-reworkStephen Warren
ASoC: dma: Generic ASoC dmaengine driver enhancements This is the work so far on dmaengine for v3.14, it is being cross merged into the Tegra tree to support a large DMA overhaul there. The main additions are a change in the DMA request API which allows better interaction at system startup using deferred probes and methods for overriding the default device and channel names used to request DMA.
2013-12-11Merge branch 'for-3.14/deps-from-dma-of' into for-3.14/dmas-resets-reworkStephen Warren
This merges git://git.infradead.org/users/vkoul/slave-dma.git topic/of
2013-12-11Merge branch 'for-3.14/deps-from-dma-defer_probe' into ↵Stephen Warren
for-3.14/dmas-resets-rework This merges git://git.infradead.org/users/vkoul/slave-dma.git topic/defer_probe
2013-12-11ASoC: dmaengine: fix deferred probe detectionStephen Warren
Check the return value of dma_request_slave_channel_reason() to see if deferred probe happens, not the variable the return value will be assigned to later. Reported-by: kbuild test robot <fengguang.wu@intel.com> Fixes: 5eda87b890f8 ("ASoC: dmaengine: support deferred probe for DMA channels") Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-12ARM: dts: Fix a typo in exynos5420-pinctrl.dtsiSachin Kamat
Fixed samaung -> samsung in property name. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-12-12ARM: dts: Add missing frequency property to exynos5250Sachin Kamat
Added missing clock frequency property to CPU node to avoid boot time warnings. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-12-12ARM: dts: Add missing op_mode property to PMIC on ArndaleSachin Kamat
Though the default value is 1, add it explicitly to avoid unnecessary boot warnings and for consistency. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-12-11Merge tag 'integrator-v3.14-1' of ↵Kevin Hilman
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/dt From Linus Walleij: Two integrator device tree patches for v3.14: - Delete some static core module mappings. - Move EBI location to the device tree. * tag 'integrator-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: integrator: move EBI to the device tree ARM: integrator: delete static core module mappings Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-11ASoC: dmaengine: support deferred probe for DMA channelsStephen Warren
Enhance dmaengine_pcm_request_chan_of() to support deferred probe for DMA channels, by using the new dma_request_slave_channel_or_err() API. This prevents snd_dmaengine_pcm_register() from succeeding without acquiring DMA channels due to the relevant DMA controller not yet being registered. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-11Merge branch 'topic/defer_probe' of ↵Mark Brown
git://git.infradead.org/users/vkoul/slave-dma into asoc-dma The following branch/patch is a dependency for my "ASoC: dmaengine: support deferred probe for DMA channels". If you could pull the branch below into your topic/dma, then merge my ASoC patch, that would be great. I would then like to merge your topic/dma into the Tegra tree as a baseline for the Tegra conversion to the standard DMA DT bindings. Vinod has confirmed this his topic/defer_probe branch is stable, and won't be rebased: https://lkml.org/lkml/2013/12/10/463
2013-12-10Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dtKevin Hilman
From Nicolas Ferre: First DT pull-request for 3.14 - many little corrections and documentation updates - LCD FB Device Tree for at91sam9263 and at91sam9g45 boards - crypto peripherals DT entries + DMA specification - new Cosino board * tag 'at91-dt' of git://github.com/at91linux/linux-at91: (21 commits) ARM: at91/at91rm9200ek.dts: rearrange nodes in address ascending order ARM: at91: dt: at91rm9200ek: add emac and nor flash support ARM: at91: add uart aliases to sama5d3 dtsi ARM: at91: add i2c2 pinctrl speficifation to sama5d3 DT ARM: at91: Animeo IP: fix mtd partition table ARM: at91: at91sam9g45: add i2c pinctrl ARM: at91: at91sam9g45: set default mmc pinctrl-names ARM: at91: sama5d3: enable qt1070 as a wakeup source ARM: at91: add support for Cosino board series by HCE Engineering ARM: at91/dt/sama5d3: add DMA information to SHA/AES/TDES nodes ARM: at91/dt/trivial: before sama5d3, Atmel MPU were using at91 prefix ARM: at91/dt/trivial: use macro for AES irq type ARM: at91: sam9263ek: add dt lcd support ARM: at91: at9sam9m10g45ek: add dt lcd support ARM: at91: sam9263: add fb dt support ARM: at91: sam9g45: add fb dt support ARM: at91/dt: binding: add missing compatibility string in SDRAM/DDR documentation ARM: at91/dt: binding: add precision to AIC documentation ARM: at91/dt: add atmel,pullup-gpio to at91rm9200ek usb1 definition ARM: at91/dt: add ethernet phy to at91rm9200ek board ... Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10ARM: at91: sama5d3/dt: add sama5d36ek dts filesJosh Wu
Add .dts and .dtsi file to support sama5d36ek board. Also update the the comments for sama5d36 in sama5d3.dtsi. Signed-off-by: Josh Wu <josh.wu@atmel.com> Acked-by: Boris BREZILLON <b.brezillon@overkiz.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10Merge branch 'next/cleanup' into next/dtKevin Hilman
2013-12-10Merge tag 'mvebu-dt-3.14-2' of git://git.infradead.org/linux-mvebu into next/dtKevin Hilman
From Jason Cooper: mvebu DT changes for v3.14 (set #2) - mvebu - Netgear ReadyNAS cleanup - add Netgear ReadyNAS 2120 - kirkwood - Netgear ReadyNAS cleanup - add Netgear ReadyNAS NV+ v2 * tag 'mvebu-dt-3.14-2' of git://git.infradead.org/linux-mvebu: ARM: kirkwood: Add support for NETGEAR ReadyNAS NV+ v2 ARM: mvebu: Add Netgear ReadyNAS 2120 board ARM: mvebu: Fix whitespace in NETGEAR ReadyNAS .dts files ARM: mvebu: NETGEAR ReadyNAS 104 .dts cleanup ARM: mvebu: NETGEAR ReadyNAS 102 .dts cleanup ARM: kirkwood: NETGEAR ReadyNAS Duo v2 .dts cleanup Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-10dma: add dma_get_any_slave_channel(), for use in of_xlate()Stephen Warren
mmp_pdma.c implements a custom of_xlate() function that is 95% identical to what Tegra will need. Create a function to implement the common part, so everyone doesn't just cut/paste the implementation. Cc: Dan Williams <dan.j.williams@intel.com> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2013-12-10dma: add channel request API that supports deferred probeStephen Warren
dma_request_slave_channel() simply returns NULL whenever DMA channel lookup fails. Lookup could fail for two distinct reasons: a) No DMA specification exists for the channel name. This includes situations where no DMA specifications exist at all, or other general lookup problems. b) A DMA specification does exist, yet the driver for that channel is not yet registered. Case (b) should trigger deferred probe in client drivers. However, since they have no way to differentiate the two situations, it cannot. Implement new function dma_request_slave_channel_reason(), which performs identically to dma_request_slave_channel(), except that it returns an error-pointer rather than NULL, which allows callers to detect when deferred probe should occur. Eventually, all drivers should be converted to this new API, the old API removed, and the new API renamed to the more desirable name. This patch doesn't convert the existing API and all drivers in one go, since some drivers call dma_request_slave_channel() then dma_request_channel() if that fails. That would require either modifying dma_request_channel() in the same way, or adding extra error-handling code to all affected drivers, and there are close to 100 drivers using the other API, rather than just the 15-20 or so that use dma_request_slave_channel(), which might be tenable in a single patch. acpi_dma_request_slave_chan_by_name() doesn't currently implement deferred probe. It should, but this will be addressed later. Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2013-12-10ARM: shmobile: marzen: enable HSPI0 in DTSSimon Horman
Based on work for the bockw board by Kuninori Morimoto. Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: r8a7779: add HSPI support to DTSISimon Horman
Based on work for the r8a7778 SoC by Kuninori Morimoto. Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Use r8a7779 suffix for INTC compat stringMagnus Damm
Add "renesas,intc-irqpin-r8a7779" to the compatible string for the IRQ pins in case of r8a7779 INTC. This makes the INTC irqpin follow the same style as the other devices and also makes it more future proof. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Use r8a7778 suffix for INTC compat stringMagnus Damm
Add "renesas,intc-irqpin-r8a7778" to the compatible string for the IRQ pins in case of r8a7778 INTC. This makes the INTC irqpin follow the same style as the other devices and also makes it more future proof. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Use r8a7740 suffix for INTC compat stringMagnus Damm
Add "renesas,intc-irqpin-r8a7740" to the compatible string for the IRQ pins in case of r8a7740 INTC. This makes the INTC irqpin follow the same style as the other devices and also makes it more future proof. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Use sh73a0 suffix for INTC compat stringMagnus Damm
Add "renesas,intc-irqpin-sh73a0" to the compatible string for the IRQ pins in case of sh73a0 INTC. This makes the INTC irqpin follow the same style as the other devices and also makes it more future proof. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: armadillo: add FSI support for DTSKuninori Morimoto
This patch support FSI-WM8978 with simple audio card Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: r8a7740: add FSI support via DTSIKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: emev2: Setup internal peripheral interrupts as level highLaurent Pinchart
Interrupts generated by SoC internal devices are currently marked as IRQ_TYPE_NONE. As they're level-triggered and active-high, mark them as such. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: emev2: Use interrupt macros in DT filesLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Use interrupt macros in r8a73a4 and r8a7778 DT filesLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Fix r8a7791 GPIO resources in DTSMagnus Damm
The r8a7791 GPIO resources are currently incorrect. Fix that by making them match the English r8a7791 v0.31 data sheet. Tested with GPIO LED using Koelsch DT reference. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms@verge.net.au>
2013-12-10ARM: shmobile: Include all 4 GiB of memory on Lager DT RefMagnus Damm
Add 2GiB of DRAM at 0x1_8000_0000 to support the full 4GiB of Lager system memory in case of DT Reference. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Include all 4 GiB of memory on LagerMagnus Damm
Add 2GiB of DRAM at 0x1_8000_0000 to support the full 4GiB of Lager system memory. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Include all 2 GiB of memory on APE6EVMTakashi Yoshii
Add 1GiB of DRAM at 0x2_0000_0000 to support the full 2GiB of APE6EVM system memory. Signed-off-by: Takashi Yoshii <takasi-y@ops.dti.ne.jp> Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Include all 2 GiB of memory on APE6EVM DT RefMagnus Damm
Add 1GiB of DRAM at 0x2_0000_0000 to support the full 2GiB of APE6EVM system memory also in case of DT reference. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: kzm9g-reference: Add GPIO keys to DTLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: kzm9g-reference: Add PCF8575 GPIO extender to DTLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Koelsch DT reference GPIO LED supportMagnus Damm
Add led6, led7 and led8 to the Koelsch DT reference board support. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: Enable DSW2 with gpio-keys on KZM9DMagnus Damm
Use the gpio-keys driver to support the 4 pins on the dip switch DSW2 which is mounted on the KZM9D board. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-12-10ARM: shmobile: armadillo-reference: Use low level IRQ for ST1231Laurent Pinchart
The device is configured to generate an active-low interrupt signal that needs to be acknowledged by the host. Configure the IRQ to trigger on low level. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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