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We need to know SoC type and features for cases where the same SoC
may be installed in various versions on the same board and would need
a separate dts file otherwise for the different variants.
For example, am3703 is pin compatible with omap3630, but has sgx and
iva accelerators disabled. We must not try to access the sgx or iva
module registers on am3703, and need to set the unavailable devices
disabled early.
Let's also detect omap3430 as that is needed for display subsystem
(DSS) reset later on, and GP vs EMU or HS devices. Further SoC
specific disabled device detection can be added as needed, such as
dra71x vs dra76x rtc and usb4.
Cc: Adam Ford <aford173@gmail.com>
Cc: André Hentschel <nerv@dawncrow.de>
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt
Drop more legacy platform data for omaps for v5.6 merge window
We can now probe devices with ti-sysc interconnect driver and dts
data, and can continue dropping the related platform data and custom
ti,hwmods dts property for various devices.
And related to that, we finally can remove the legacy sdma support in
favor of using the dmaengine driver only. I was planning to send the
sdma changes separately, but that would have produced a pile of
pointless merge conflicts, so I decided it's best to resolve it locally.
After all, the sdma series also ends up removing the related platform
data.
Note that this series is based on omap-for-v5.6/ti-sysc-dt-signed branch
as it depends for dts data being in place.
* tag 'omap-for-v5.6/ti-sysc-drop-pdata-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (56 commits)
ARM: OMAP2+: Drop legacy platform data for sdma
ARM: OMAP2+: Drop legacy init for sdma
dmaengine: ti: omap-dma: Use cpu notifier to block idle for omap2
dmaengine: ti: omap-dma: Allocate channels directly
dmaengine: ti: omap-dma: Pass sdma auxdata to driver and use it
dmaengine: ti: omap-dma: Configure global priority register directly
ARM: OMAP5: hwmod-data: remove OMAP5 IOMMU hwmod data
ARM: OMAP4: hwmod-data: remove OMAP4 IOMMU hwmod data
ARM: OMAP2+: Drop legacy platform data for omap4 fdif
ARM: OMAP2+: Drop legacy platform data for omap4 slimbus
ARM: OMAP2+: Drop legacy platform data for omap5 kbd
ARM: OMAP2+: Drop legacy platform data for omap4 kbd
ARM: OMAP2+: Drop legacy platform data for dra7 smartreflex
ARM: OMAP2+: Drop legacy platform data for omap4 smartreflex
ARM: OMAP2+: Drop legacy platform data for omap4 hsi
ARM: OMAP2+: Drop legacy platform data for am4 vpfe
ARM: OMAP2+: Drop legacy platform data for dra7 ocp2scp
ARM: OMAP2+: Drop legacy platform data for omap5 ocp2scp
ARM: OMAP2+: Drop legacy platform data for omap4 ocp2scp
ARM: OMAP2+: Drop legacy platform data for am4 ocp2scp
...
Link: https://lore.kernel.org/r/pull-1578420398-290837@atomide.com-4
Signed-off-by: Olof Johansson <olof@lixom.net>
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Bringing in to resolve soc -> add/add conflicts locally
* omap/soc:
ARM: OMAP2+: use separate IOMMU pdata to fix DRA7 IPU1 boot
ARM: OMAP2+: omap-iommu.c conversion to ti-sysc
ARM: OMAP2+: Add workaround for DRA7 DSP MStandby errata i879
ARM: OMAP4+: remove pdata quirks for omap4+ iommus
ARM: OMAP2+: pdata-quirks: add PRM data for reset support
ARM: OMAP2+: am43xx: Add lcdc clockdomain
Signed-off-by: Olof Johansson <olof@lixom.net>
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We can now start passing sdma auxdata to the dmaengine driver to start
removing the platform based sdma init.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Vinod Koul <vkoul@kernel.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The IPU1 MMU has been using common IOMMU pdata quirks defined and
used by all IPU IOMMU devices on OMAP4 and beyond. Separate out the
pdata for IPU1 MMU with the additional .set_pwrdm_constraint ops
plugged in, so that the IPU1 power domain can be restricted to ON
state during the boot and active period of the IPU1 remote processor.
This eliminates the pre-conditions for the IPU1 boot issue as
described in commit afe518400bdb ("iommu/omap: fix boot issue on
remoteprocs with AMMU/Unicache").
NOTE:
1. RET is not a valid target power domain state on DRA7 platforms,
and IPU power domain is normally programmed for OFF. The IPU1
still fails to boot though, and an unclearable l3_noc error is
thrown currently on 4.14 kernel without this fix. This behavior
is slightly different from previous 4.9 LTS kernel.
2. The fix is currently applied only to IPU1 on DRA7xx SoC, as the
other affected processors on OMAP4/OMAP5/DRA7 are in domains
that are not entering RET. IPU2 on DRA7 is in CORE power domain
which is only programmed for ON power state. The fix can be easily
scaled if these domains do hit RET in the future.
3. The issue was not seen on current DRA7 platforms if any of the
DSP remote processors were booted and using one of the GPTimers
5, 6, 7 or 8 on previous 4.9 LTS kernel. This was due to the
errata fix for i874 implemented in commit 1cbabcb9807e ("ARM:
DRA7: clockdomain: Implement timer workaround for errata i874")
which keeps the IPU1 power domain from entering RET when the
timers are active. But the timer workaround did not make any
difference on 4.14 kernel, and an l3_noc error was seen still
without this fix.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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IOMMU driver will be using ti-sysc bus driver for power management control
going forward, and the pdata quirks are not needed for anything anymore.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The parent clockdomain for reset must be in force wakeup mode, otherwise
the reset may never complete. Add pdata quirks for this purpose for PRM
driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We must bail out early if the clock is not hw_omap. Otherwise we will
try to access invalid address with hwclk->clkdm_name:
Unable to handle kernel paging request at virtual address ffffffff
Internal error: Oops: 27 [#1] ARM
...
(strcmp) from [<c011b348>] (clkdm_lookup+0x40/0x60)
[<c011b348>] (clkdm_lookup) from [<c011cb84>] (ti_sysc_clkdm_init+0x5c/0x64)
[<c011cb84>] (ti_sysc_clkdm_init) from [<c03680a8>] (sysc_probe+0x948/0x117c)
[<c03680a8>] (sysc_probe) from [<c03d0af4>] (platform_drv_probe+0x48/0x98)
...
Fixes: 2b2f7def058a ("bus: ti-sysc: Add support for missing clockdomain handling")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Pull ARM SoC platform updates from Olof Johansson:
"Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430)"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Add missing put_device() call in omapdss_init_of()
OMAP2: fixup doc comments in omap_device
ARM: OMAP1: drop duplicated dependency on ARCH_OMAP1
ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
ARM: imx: use generic function to exit coherency
ARM: tegra: Use WFE for power-gating on Tegra30
ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
ARM: exynos: Enable exynos-asv driver for ARCH_EXYNOS
ARM: s3c: Rename s5p_usb_phy functions
ARM: s3c: Rename s3c64xx_spi_setname() function
ARM: imx: Add serial number support for i.MX6/7 SoCs
ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
arm64: Introduce config for S32
ARM: hisi: drop useless depend on ARCH_MULTI_V7
arm64: realtek: Select reset controller
ARM: shmobile: rcar-gen2: Drop legacy DT clock support
ARM: OMAP2+: Remove duplicated include from pmic-cpcap.c
ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")
MAINTAINERS: Add logicpd-som-lv and logicpd-torpedo to OMAP TREE
ARM: OMAP2+: pdata-quirks: drop TI_ST/KIM support
...
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Pull MMC updates from Ulf Hansson:
"These are the updates for MMC and MEMSTICK for v5.5.
Note that this also contains quite some additional changes reaching
beyond both the MMC and MEMSTICK subsystems. This is primarily because
of fixing an old regression for a WiFi driver based on the SDIO
interface on an OMAP openpandora board
MMC core:
- Add CMD13 polling for MMC IOCTLS with R1B response.
- Add common DT properties for clk-phase-delays for various speed
modes.
- Fix size overflow for mmc gp-partitions.
- Re-work HW reset for SDIO cards, which also includes a re-work for
Marvell's WiFi mwifiex SDIO func driver.
MMC host:
- jz4740: Add support for X1000 and JZ4760.
- jz4740: Add support for 8-bit bus and for low power mode.
- mmci: Add support for HW busy timeout for the stm32_sdmmc variant.
- owl-mmc: Add driver for Actions Semi Owl SoCs SD/MMC controller.
- renesas_sdhi: Add support for r8a774b1.
- sdhci_am654: Add support for Command Queuing Engine for J721E.
- sdhci-milbeaut: Add driver for the Milbeaut SD controller.
- sdhci-of-arasan: Add support for ZynqMP tap-delays.
- sdhci-of-arasan: Add support for clk-phase-delays for SD cards.
- sdhci-of-arasan: Add support for Intel LGM SDXC.
- sdhci-of-aspeed: Allow inversion of the internal card detect
signal.
- sdhci-of-esdhc: Fixup workaround for erratum A-008171 for tunings.
- sdhci-of-at91: Improve support for calibration.
- sdhci-pci: Add support for Intel JSL.
- sdhci-pci: Add quirk for AMD SDHC Device 0x7906.
- tmio: Enable support for erase/discard/trim requests.
MMC/OMAP/pandora/wl1251:
The TI wl1251 WiFi driver for SDIO on the OMAP openpandora board has
been broken since v4.7. To fix the problems, changes have been made
cross subsystems, but also to OMAP2 machine code and to openpandora
DTS files, as summarized below. Relevant changes have been tagged for
stable.
- mmc/wl1251: Re-introduce lost SDIO quirks and vendor-id for wl1251
- omap/omap_hsmmc: Remove redundant platform config for openpandora
- omap_hsmmc: Initialize non-std SDIO card for wl1251 for pandora
- omap/dts/pandora: Specify wl1251 through a child node of mmc3
- wl1251: Add devicetree support for TI wl1251 SDIO"
* tag 'mmc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (73 commits)
dt-bindings: mmc: Correct the type of the clk phase properties
Revert "mmc: tmio: remove workaround for NON_REMOVABLE"
memstick: Fix Kconfig indentation
mmc: sdhci-of-arasan: Add support for ZynqMP Platform Tap Delays Setup
dt-bindings: mmc: arasan: Document 'xlnx,zynqmp-8.9a' controller
firmware: xilinx: Add SDIO Tap Delay nodes
mmc: sdhci-of-arasan: Add support to set clock phase delays for SD
dt-bindings: mmc: Add optional generic properties for mmc
mmc: sdhci-of-arasan: Add sampling clock for a phy to use
dt-bindings: mmc: arasan: Update Documentation for the input clock
mmc: sdhci-of-arasan: Separate out clk related data to another structure
mmc: sdhci: Fix grammar in warning message
mmc: sdhci-of-aspeed: add inversion signal presence
mmc: sdhci-of-aspeed: enable CONFIG_MMC_SDHCI_IO_ACCESSORS
mmc: sdhci_am654: Add Support for Command Queuing Engine to J721E
mmc: core: Fix size overflow for mmc partitions
mmc: tmio: Add MMC_CAP_ERASE to allow erase/discard/trim requests
net: wireless: ti: remove local VENDOR_ID and DEVICE_ID definitions
net: wireless: ti: wl1251 use new SDIO_VENDOR_ID_TI_WL1251 definition
mmc: core: fix wl1251 sdio quirks
...
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Pull crypto updates from Herbert Xu:
"API:
- Add library interfaces of certain crypto algorithms for WireGuard
- Remove the obsolete ablkcipher and blkcipher interfaces
- Move add_early_randomness() out of rng_mutex
Algorithms:
- Add blake2b shash algorithm
- Add blake2s shash algorithm
- Add curve25519 kpp algorithm
- Implement 4 way interleave in arm64/gcm-ce
- Implement ciphertext stealing in powerpc/spe-xts
- Add Eric Biggers's scalar accelerated ChaCha code for ARM
- Add accelerated 32r2 code from Zinc for MIPS
- Add OpenSSL/CRYPTOGRAMS poly1305 implementation for ARM and MIPS
Drivers:
- Fix entropy reading failures in ks-sa
- Add support for sam9x60 in atmel
- Add crypto accelerator for amlogic GXL
- Add sun8i-ce Crypto Engine
- Add sun8i-ss cryptographic offloader
- Add a host of algorithms to inside-secure
- Add NPCM RNG driver
- add HiSilicon HPRE accelerator
- Add HiSilicon TRNG driver"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (285 commits)
crypto: vmx - Avoid weird build failures
crypto: lib/chacha20poly1305 - use chacha20_crypt()
crypto: x86/chacha - only unregister algorithms if registered
crypto: chacha_generic - remove unnecessary setkey() functions
crypto: amlogic - enable working on big endian kernel
crypto: sun8i-ce - enable working on big endian
crypto: mips/chacha - select CRYPTO_SKCIPHER, not CRYPTO_BLKCIPHER
hwrng: ks-sa - Enable COMPILE_TEST
crypto: essiv - remove redundant null pointer check before kfree
crypto: atmel-aes - Change data type for "lastc" buffer
crypto: atmel-tdes - Set the IV after {en,de}crypt
crypto: sun4i-ss - fix big endian issues
crypto: sun4i-ss - hide the Invalid keylen message
crypto: sun4i-ss - use crypto_ahash_digestsize
crypto: sun4i-ss - remove dependency on not 64BIT
crypto: sun4i-ss - Fix 64-bit size_t warnings on sun4i-ss-hash.c
MAINTAINERS: Add maintainer for HiSilicon SEC V2 driver
crypto: hisilicon - add DebugFS for HiSilicon SEC
Documentation: add DebugFS doc for HiSilicon SEC
crypto: hisilicon - add SRIOV for HiSilicon SEC
...
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There is a new driver in drivers/mmc/host/omap_hsmmc.c
configured by CONFIG_MMC_OMAP_HS and the last user
was the pdata-quirks for pandora.
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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With a wl1251 child node of mmc3 in the device tree decoded
in omap_hsmmc.c to handle special wl1251 initialization, we do
no longer need to instantiate the mmc3 through pdata quirks.
We also can remove the wlan regulator and reset/interrupt definitions
and do them through device tree.
Fixes: 81eef6ca9201 ("mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: <stable@vger.kernel.org> # v4.7+
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This partly reverts the commit efdfeb079cc3 ("regulator: fixed: Convert to
use GPIO descriptor only").
We must remove this from mainline first, so that the following patch
to remove the openpandora quirks for mmc3 and wl1251 cleanly applies
to stable v4.9, v4.14, v4.19 where the above mentioned patch is not yet
present.
Since the code affected is removed (no pandora gpios in pdata-quirks
and more), there will be no matching revert-of-the-revert.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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All TI_ST users have been migrated to the new serdev based HCILL
bluetooth driver. That driver is initialized from DT and does not
need any platform quirks.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The OMAP3 ISP IOMMU does not have any reset lines, so it didn't
need any pdata previously. The OMAP IOMMU driver now requires the
platform data ops for device_enable/idle on all the IOMMU devices
after commit db8918f61d51 ("iommu/omap: streamline enable/disable
through runtime pm callbacks") to enable/disable the clocks properly
and maintain the reference count and the omap_hwmod state machine.
So, add these callbacks through iommu pdata quirks for the OMAP3
ISP IOMMU.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The OMAP IOMMU driver requires the device_enable/idle platform
data ops on all the IOMMU devices to be able to enable and disable
the clocks after commit db8918f61d51 ("iommu/omap: streamline
enable/disable through runtime pm callbacks"). Plug in these
pdata ops for all the existing IOMMUs through pdata quirks to
maintain functionality.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases")
removed old omap3 clock framework aliases but caused omap3-rom-rng to
stop working with clock not found error.
Based on discussions on the mailing list it was requested by Tero Kristo
that it would be best to fix this issue by probing omap3-rom-rng using
device tree to provide a proper clk property. The other option would be
to add back the missing clock alias, but that does not help moving things
forward with removing old legacy platform_data.
Let's also add a proper device tree binding and keep it together with
the fix.
Cc: devicetree@vger.kernel.org
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes: 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases")
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In general we should check for GP device instead of HS device unless
the other options such as EMU are also checked. Otherwise omap3-rom-rng
won't probe on few of the old n900 macro boards still in service in
automated build and boot test systems.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We can currently get "Unable to handle kernel paging request at
virtual address" for invalid clocks with dts node but no driver:
(__clk_get_hw) from [<c0138ebc>] (ti_sysc_find_one_clockdomain+0x18/0x34)
(ti_sysc_find_one_clockdomain) from [<c0138f0c>] (ti_sysc_clkdm_init+0x34/0xdc)
(ti_sysc_clkdm_init) from [<c0584660>] (sysc_probe+0xa50/0x10e8)
(sysc_probe) from [<c065c6ac>] (platform_drv_probe+0x58/0xa8)
Let's add IS_ERR checks to ti_sysc_clkdm_init() as And let's start treating
clk_get() with -ENOENT as a proper error. If the clock name is specified
in device tree we must succeed with clk_get() to continue. For modules with
no clock names specified in device tree we will just ignore the clocks.
Fixes: 2b2f7def058a ("bus: ti-sysc: Add support for missing clockdomain handling")
Acked-by: Roger Quadros <rogerq@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms and a couple of the small driver
subsystems we merge through our tree:
- A driver for SCU (system control) on NXP i.MX8QXP
- Qualcomm Always-on Subsystem messaging driver (AOSS QMP)
- Qualcomm PM support for MSM8998
- Support for a newer version of DRAM PHY driver for Broadcom (DPFE)
- Reset controller support for Bitmain BM1880
- TI SCI (System Control Interface) support for CPU control on AM654
processors
- More TI sysc refactoring and rework"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (84 commits)
reset: remove redundant null check on pointer dev
soc: rockchip: work around clang warning
dt-bindings: reset: imx7: Fix the spelling of 'indices'
soc: imx: Add i.MX8MN SoC driver support
soc: aspeed: lpc-ctrl: Fix probe error handling
soc: qcom: geni: Add support for ACPI
firmware: ti_sci: Fix gcc unused-but-set-variable warning
firmware: ti_sci: Use the correct style for SPDX License Identifier
soc: imx8: Use existing of_root directly
soc: imx8: Fix potential kernel dump in error path
firmware/psci: psci_checker: Park kthreads before stopping them
memory: move jedec_ddr.h from include/memory to drivers/memory/
memory: move jedec_ddr_data.c from lib/ to drivers/memory/
MAINTAINERS: Remove myself as qcom maintainer
soc: aspeed: lpc-ctrl: make parameter optional
soc: qcom: apr: Don't use reg for domain id
soc: qcom: fix QCOM_AOSS_QMP dependency and build errors
memory: tegra: Fix -Wunused-const-variable
firmware: tegra: Early resume BPMP
soc/tegra: Select pinctrl for Tegra194
...
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need to let ti-sysc driver manage clockdomain autoidle for the
duration of of reset, enable and idle. And we need to do it before we
enable the clock and after we disable it. Currently we are still
relying on platform callbacks indirectly managing clockdomain autoidle.
But I noticed that for device tree only probed drivers it now happens
only after we enabling the clocks and before we disable the clocks,
while it should be the other way around. So far I have not noticed
any issues with this though.
Let's add new ti_sysc_clkdm_deny_idle() and ti_sysc_clkdm_allow_idle()
functions for ti-sysc driver to use to manage clockdomains directly via
platform data callbacks. Note that we can implement the clockdomain
functions in pdata-quirks.c as for probing devices without "ti,hwmods"
custom property we don't need to use the other platform data callbacks.
Let's do this in one patch as there's is still an unlikely chance we
may need to apply this as a fix for v5.2 for dropping legacy platform
data for some devices. We also do have the option of adding back the
platform data if needed in case of trouble.
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This pushes the handling of inversion semantics and open drain
settings to the GPIO descriptor and gpiolib. All affected board
files are also augmented.
This is especially nice since we don't have to have any
confusing flags passed around to the left and right littering
the fixed and GPIO regulator drivers and the regulator core.
It is all just very straight-forward: the core asks the GPIO
line to be asserted or deasserted and gpiolib deals with the
rest depending on how the platform is configured: if the line
is active low, it deals with that, if the line is open drain,
it deals with that too.
Cc: Alexander Shiyan <shc_work@mail.ru> # i.MX boards user
Cc: Haojian Zhuang <haojian.zhuang@gmail.com> # MMP2 maintainer
Cc: Aaro Koskinen <aaro.koskinen@iki.fi> # OMAP1 maintainer
Cc: Tony Lindgren <tony@atomide.com> # OMAP1,2,3 maintainer
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> # EM-X270 maintainer
Cc: Robert Jarzmik <robert.jarzmik@free.fr> # EZX maintainer
Cc: Philipp Zabel <philipp.zabel@gmail.com> # Magician maintainer
Cc: Petr Cvek <petr.cvek@tul.cz> # Magician
Cc: Robert Jarzmik <robert.jarzmik@free.fr> # PXA
Cc: Paul Parsons <lost.distance@yahoo.com> # hx4700
Cc: Daniel Mack <zonque@gmail.com> # Raumfeld maintainer
Cc: Marc Zyngier <marc.zyngier@arm.com> # Zeus maintainer
Cc: Geert Uytterhoeven <geert+renesas@glider.be> # SuperH pinctrl/GPIO maintainer
Cc: Russell King <rmk+kernel@armlinux.org.uk> # SA1100
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> #OMAP1 Amstrad Delta
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MCBSP config option has been changed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Introduce a host helper function to share re-tuning progress
MMC host:
- sdhci: Add support for v4 host mode
- sdhci-of-arasan: Add Support for AM654 MMC and PHY
- sdhci-sprd: Add support for Spreadtrum's host controller
- sdhci-tegra: Add support for HS400 enhanced strobe
- sdhci-tegra: Enable UHS/HS200 modes for Tegra186/210
- sdhci-tegra: Add support for HS400 delay line calibration
- sdhci-tegra: Add support for pad calibration
- sdhci-of-dwcmshc: Address 128MB DMA boundary limitation
- sdhci-of-esdhc: Add support for tuning erratum A008171
- sdhci-iproc: Add ACPI support
- mediatek: Add support for MT8183
- mediatek: Improve the support for tuning
- mediatek: Add bus clock control for MT2712
- jz4740: Add support for the JZ4725B
- mmci: Add support for the stm32 sdmmc variant
- mmci: Add support for an optional reset control
- mmci: Add some new variant specific properties/callbacks
- mmci: Re-structure DMA code to prepare for new variants
- renesas_sdhi: Add support for r8a77470, r8a7744 and r8a774a1
- renesas_sdhi_internal_dmac: Whitelist r8a77970 and r8a774a1
- tmio/uniphier-sd: Add new UniPhier SD/eMMC controller driver
- tmio/renesas_sdhi: Deal properly with SCC detection during re-tune
- tmio/renesas_sdhi: Refactor/consolidate clock management
- omap_hsmmc: Drop cover detection and some unused platform data
- dw_mmc-exynos: Enable tuning for more speed modes
- sunxi: Clarify the new timing mode and enable it for the A64 controller
- various: Convert to slot GPIO descriptors"
* tag 'mmc-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (129 commits)
mmc: mediatek: drop too much code of tuning method
mmc: mediatek: add MT8183 MMC driver support
mmc: mediatek: tune CMD/DATA together
mmc: mediatek: fix cannot receive new request when msdc_cmd_is_ready fail
mmc: mediatek: fill the actual clock for mmc debugfs
mmc: dt-bindings: add support for MT8183 SoC
mmc: uniphier-sd: avoid using broken DMA RX channel
mmc: uniphier-sd: fix DMA disabling
mmc: tmio: simplify the DMA mode test
mmc: tmio: remove TMIO_MMC_HAVE_HIGH_REG flag
mmc: tmio: move MFD variant reset to a platform hook
mmc: renesas_sdhi: Add r8a77470 SDHI1 support
dt-bindings: mmc: renesas_sdhi: Add r8a77470 support
mmc: mmci: add stm32 sdmmc variant
dt-bindings: mmci: add stm32 sdmmc variant
mmc: mmci: add stm32 sdmmc registers
mmc: mmci: add clock divider for stm32 sdmmc
mmc: mmci: add optional reset property
dt-bindings: mmci: add optional reset property
mmc: mmci: add variant property to not read datacnt
...
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The OMAP HSMMC driver has some elaborate and hairy handling for
passing GPIO card detect and write protect lines from a boardfile
into the driver: the machine defines a struct omap2_hsmmc_info
that is copied into struct omap_hsmmc_platform_data by
omap_hsmmc_pdata_init() in arch/arm/mach-omap2/hsmmc.c.
However the .gpio_cd and .gpio_wp fields are not copied from
omap2_hsmmc_info to omap_hsmmc_platform_data by
omap_hsmmc_pdata_init() so they remain unused. The only platform
defining omap2_hsmmc_info also define both to -1, unused.
It turn out there are no boardfiles passing any valid GPIO
lines into the OMAP HSMMC driver at all. And since we are not
going to add any more OMAP2 boardfiles, we can delete this
card detect and write protect handling altogether.
This seems to also fix a bug: the card detect callback
mmc_gpio_get_cd() in the slot GPIO core needs to be called
by drivers utilizing slot GPIO. It appears the the boardfile
quirks were not doing this right, so this would only get
called for boardfiles, i.e. since no boardfile was using it,
never.
Just assign mmc_gpio_get_cd() unconditionally to omap_hsmmc_ops
.get_cd() so card detects from the device tree works.
AFAICT card detect with GPIO lines assigned from
mmc_of_parse() are not working at the moment, but that is
no regression since it probably never worked.
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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As we augmented the regulator core to accept a GPIO descriptor instead
of a GPIO number, we can augment the fixed GPIO regulator to look up
and pass that descriptor directly from device tree or board GPIO
descriptor look up tables.
Some boards just auto-enumerate their fixed regulator platform devices
and I have assumed they get names like "fixed-regulator.0" but it's
pretty hard to guess this. I need some testing from board maintainers to
be sure. Other boards are straight forward, using just plain
"fixed-regulator" (ID -1) or "fixed-regulator.1" hammering down the
device ID.
It seems the da9055 and da9211 has never got around to actually passing
any enable gpio into its platform data (not the in-tree code anyway) so we
can just decide to simply pass a descriptor instead.
The fixed GPIO-controlled regulator in mach-pxa/ezx.c was confusingly named
"*_dummy_supply_device" while it is a very real device backed by a GPIO
line. There is nothing dummy about it at all, so I renamed it with the
infix *_regulator_* as part of this patch set.
Intel MID portions tested by Andy.
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # Check the x86 BCM stuff
Acked-by: Tony Lindgren <tony@atomide.com> # OMAP1,2,3 maintainer
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reviewed-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Looks like these functions don't do anything in the mainline kernel so
we can just drop it.
Note that we must now also remove ir-rx51 pdata as it relies on the dummy
platform data that does not do anything. And ir-rx51 is calling a pdata
callback that doesn't do anything without checking if it exists first.
For configuring device specific minimal latencies, the interface to use
is pm_qos_add_request(). For an example, see what was done in commit
9834ffd1ecc3 ("ASoC: omap-mcbsp: Add PM QoS support for McBSP to prevent
glitches"). I've added some comments to ir-rx51 so people using it can
add pm_qos support and test it.
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "Driver changes for ti-sysc for v4.17" from Tony Lindgren:
This series of changes enables the use device tree based sysconfig
data for ti-sysc driver. As we already have SmartReflex data configured,
we use that as the first driver to enable. To do that in a way where
SmartReflex is not probed twice, we need to prepare the SmartReflex
driver before flipping dts data on for it in the last patch of the
series.
To avoid regressions, we are checking the passed dts data against
existing platform data since we still have it available. Then after the
dts files are converted, we can simply drop the related platform data
at some point in the future.
* tag 'omap-for-v4.17/ti-sysc-signed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Enable ti-sysc to use device tree data for smartreflex
PM / AVS: SmartReflex: Prepare to use device tree based probing
ARM: OMAP2+: Try to parse earlycon from parent too
ARM: OMAP2+: Add checks for device tree based sysconfig data
ARM: OMAP2+: Add functions to allocate module data from device tree
bus: ti-sysc: Handle some devices in omap_device compatible way
bus: ti-sysc: Add support for platform data callbacks
bus: ti-sysc: Remove unnecessary debugging statements
bus: ti-sysc: Improve handling for no-reset-on-init and no-idle-on-init
bus: ti-sysc: Handle stdout-path for debug console
bus: ti-sysc: Add suspend and resume handling
bus: ti-sysc: Add fck clock alias for children with notifier_block
ARM: OMAP2+: Prepare to pass auxdata for smartreflex
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Let's enable ti-sysc probing of child devices. So far we have only used
ti-sysc to probe interconnect target modules to idle them for cases where
the SoC does not have any child devices configured for the module, such
as smartreflex on dra7.
As we have smartreflex driver configured in the device tree for some SoCs,
we need to flip things on with a single patch to prevent both omap_device
and ti-sysc to probe smartreflex. So let's stop probing smartreflex with
omap_device and probe it with ti-sysc by enabling passing the auxdata.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We want to pass the device tree configuration for interconnect target
modules from ti-sysc driver to the existing platform hwmod code.
This allows us to first validate the dts data against the existing
platform data before we start dropping the platform data in favor of
device tree data.
To do this, let's add platform data callbacks for PM runtime functions
to call for the interconnect target modules if platform data is
available.
Note that as ti-sysc driver can rebind, omap_auxdata_lookup and related
functions can no longer be __init.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We are still initializing smartreflex with platform data using
omap_device_build(). We can instead pass the platform data in
with auxdata in pdata-quirks.c and make the driver use that
in later patches.
Note that we cannot enable the auxdata use yet, this is done
in the last patch of the series.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Remove unused timer pdata.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The header file is currently under plat-omap directory
under arch/omap. Move this out to an accessible place.
No Code changes done to the header file and renamed to timer-ti-dm.h.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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DRA74x EVM Rev H EVM comes with revision 2.0 silicon.
However, earlier versions of EVM can come with either
revision 1.1 or revision 1.0 of silicon.
The device-tree file is written to support rev 2.0 of
silicon. pdata quirks are used to then override the
settings needed for PG 1.1 silicon.
PG 1.1 silicon has limitations w.r.t frequencies at
which MMC1/2/3 can operate as well as different IOdelay
numbers.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"We sometimes collect non-critical fixes that come in during the later
part of the merge window in a branch for the next release instead, and
this is that contents for v4.11.
Most of these are OMAP fixes, dealing with OMAP36/37 detection, quirks
and setup. There's also some fixes for Davinci and a Kconfig fix for
SCPI to only enable on ARM{,64}"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
firmware: arm_scpi: Add hardware dependencies
ARM: OMAP3: Fix SoC detection of OMAP36/37 Family
ARM: OMAP5: Add HWMOD_SWSUP_SIDLE_ACT flag for UART
ARM: dts: Fix compatible for ti81xx uarts for 8250
ARM: dts: Fix am335x and dm814x scm syscon to probe children
ARM: OMAP2+: Fix init for multiple quirks for the same SoC
ARM: dts: Fix omap3 off mode pull defines
bus: da850-mstpri: fix my e-mail address
ARM: davinci: da850: fix da850_set_pll0rate()
ARM: davinci: da850: coding style fix
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new drivers:
- i.MX6 Video Data Order Adapter's (VDOA)
- Toshiba et8ek8 5MP sensor
- STM DELTA multi-format video decoder V4L2 driver
- SPI connected IR LED
- Mediatek IR remote receiver
- ZyDAS ZD1301 DVB USB interface driver
- new RC keymaps
- some very old LIRC drivers got removed from staging
- RC core gained support encoding IR scan codes
- DVB si2168 gained support for DVBv5 statistics
- lirc_sir driver ported to rc-core and promoted from staging
- other bug fixes, board additions and driver improvements
* tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (230 commits)
[media] mtk-vcodec: fix build warnings without DEBUG
[media] zd1301: fix building interface driver without demodulator
[media] usbtv: add sharpness control
[media] cxusb: Use a dma capable buffer also for reading
[media] ttpci: address stringop overflow warning
[media] dvb-usb-v2: avoid use-after-free
[media] add Hama Hybrid DVB-T Stick support
[media] et8ek8: Fix compiler / Coccinelle warnings
[media] media: fix semicolon.cocci warnings
[media] media: exynos4-is: add flags to dummy Exynos IS i2c adapter
[media] v4l: of: check for unique lanes in data-lanes and clock-lanes
[media] coda/imx-vdoa: constify structs
[media] st-delta: debug: trace stream/frame information & summary
[media] st-delta: add mjpeg support
[media] st-delta: EOS (End Of Stream) support
[media] st-delta: rpmsg ipc support
[media] st-delta: add memory allocator helper functions
[media] st-delta: STiH4xx multi-format video decoder v4l2 driver
[media] MAINTAINERS: add st-delta driver
[media] ARM: multi_v7_defconfig: enable STMicroelectronics DELTA Support
...
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As reported by kernel build test:
In file included from arch/arm/mach-omap2/pdata-quirks.c:15:0:
>> arch/arm/mach-omap2/pdata-quirks.c:536:49: error: 'rx51_lirc_data' undeclared here (not in a function)
OF_DEV_AUXDATA("nokia,n900-ir", 0, "n900-ir", &rx51_lirc_data),
^
include/linux/of_platform.h:52:21: note: in definition of macro 'OF_DEV_AUXDATA'
.platform_data = _pdata }
^~~~~~
Since "a92def1 [media] ir-rx51: port to rc-core" the build fails on
some arm configurations.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This driver was written using lirc since rc-core did not support
transmitter-only hardware at that time. Now that it does, port
this driver.
Compile tested only.
Signed-off-by: Sean Young <sean@mess.org>
Cc: Timo Kokkonen <timo.t.kokkonen@iki.fi>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It's possible that there are multiple quirks that need to be initialized
for the same SoC. Fix the issue by not returning on the first match.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 485fa1261f78 ("ARM: OMAP2+: LogicPD Torpedo + Wireless: Add Bluetooth")
set the wrong baud rate for the UART. The Baud rate was 300,000 and it should
be 3,000,000 for WL1283.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we
merge through arm-soc for historical reasons, is also sizable this
time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
ARM: ux500: consolidate base platform files
ARM: ux500: move soc_id driver to drivers/soc
ARM: ux500: call ux500_setup_id later
ARM: ux500: consolidate soc_device code in id.c
ARM: ux500: remove cpu_is_u* helpers
ARM: ux500: use CLK_OF_DECLARE()
ARM: ux500: move l2x0 init to .init_irq
mfd: db8500 stop passing around platform data
ASoC: ab8500-codec: remove platform data based probe
ARM: ux500: move ab8500_regulator_plat_data into driver
ARM: ux500: remove unused regulator data
soc: raspberrypi-power: add CONFIG_OF dependency
firmware: scpi: add CONFIG_OF dependency
video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
clk: clps711x: Changing the compatibility string to match with the smallest supported chip
...
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Drop dmtimer usage for pulse timer in favor of hrtimer. That allows
removing PWM dmitimer platform data usage.
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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With the upcoming removal of legacy boot, lets add support to one of the
last N900 drivers remaining without it. As the driver still uses omap
dmtimer, add auxdata as well.
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Convert driver to use PWM framework instead of calling dmtimer functions
directly for PWM timer. Remove paragraph about writing to the Free Software
Foundation's mailing address while at it.
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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McBSP2/3 module's sidetone module operates using the module's ICLK clock.
When the Sidetone is in use the interface clock of the module must not
idle. To prevent the iclk idling the driver expects to have pdata callback
to call. With this patch the callback is going to be set up for DT boot
also.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "non urgent auxdata fix for v4.7 merge window" from Tony Lindgren:
Device tree auxdata handling fix that allows a match based on the
compatible string if no exact match based on the IO address is found.
This leaves out the need to patch auxdata for each driver when adding
new SoCs. And it also reprotedly fixes the issue of passing auxdata
to a child if the parent instantiates the child from DT as discussed
in the "[PATCH] of/platform: Allow secondary compatible match in
of_dev_lookup" mailing list thread.
As a minimal use case, let's also convert omap pinctrl auxdatato
use a generic match.
There is no need to get this in to the v4.6-rc cycle and it can wait
for v4.7 merge window. Note that these changes have now been sitting
in Linux next for about two weeks so far as I wanted to make sure no
new issues are popping up.
* tag 'omap-for-v4.7/auxdata-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Simplify auxdata by using the generic match
of/platform: Allow secondary compatible match in of_dev_lookup
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Let's pass the slot names in pdata like the legacy code does.
Once we have a generic DT binding for the slot names we can
switch to that.
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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