Enable IO wakeup feature. This enables am437x pads to generate daisy
chained wake ups(eventually generates aprcm Interrupt) especially
when in low power modes.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The register offsets for some of the PRM Registers are different
hence populating the differing fields. This is needed to support
IO wake up feature for am437x family.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The register offsets of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 are hardcoded.
This makes it difficult to reuse the code for SoCs like AM437x that have
a single instance of IRQENABLE_MPU and IRQSTATUS_MPU registers.
Hence handling the case using offset of 4 to accommodate single set of IRQ*
registers generically.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: fixed whitespace alignment problems reported by checkpatch.pl]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add the PRM IRQ register offsets. This is needed to support PRM I/O
wakeup on AM43xx.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: improved patch description, moved the PRM_IO_PMCTRL macro
out of the CM section]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
PRM_IO_PMCTRL_OFFSET need not be same for all SOCs hence
remove hardcoding and use the value provided by the omap_prcm_irq_setup
structure. This is done to support IO wakeup on am437x series.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
- OMAP hwspinlock DT support from Suman Anna
- QCOM hwspinlock DT support from Bjorn Andersson
- a new CSR atlas7 hwspinlock driver from Wei Chen
- CSR atlas7 hwspinlock DT binding document from Wei Chen
- a tiny QCOM hwspinlock driver fix from Bjorn Andersson
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Merge tag 'hwspinlock-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock
Pull hwspinlock updates from Ohad Ben-Cohen:
- hwspinlock core DT support from Suman Anna
- OMAP hwspinlock DT support from Suman Anna
- QCOM hwspinlock DT support from Bjorn Andersson
- a new CSR atlas7 hwspinlock driver from Wei Chen
- CSR atlas7 hwspinlock DT binding document from Wei Chen
- a tiny QCOM hwspinlock driver fix from Bjorn Andersson
* tag 'hwspinlock-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
hwspinlock: qcom: Correct msb in regmap_field
DT: hwspinlock: add the CSR atlas7 hwspinlock bindings document
hwspinlock: add a CSR atlas7 driver
hwspinlock: qcom: Add support for Qualcomm HW Mutex block
DT: hwspinlock: Add binding documentation for Qualcomm hwmutex
hwspinlock/omap: add support for dt nodes
Documentation: dt: add the omap hwspinlock bindings document
hwspinlock/core: add device tree support
Documentation: dt: add common bindings for hwspinlock
As usual, quite a few device-tree updates in ARM land. There was ome
minor churn in DTs due to relicensing under a dual-license, and lots
of little additions of new peripherals, features etc, but nothing
really exciting to call to your attention. Some higlights, focsuing
on support for new SoCs and boards:
- AT91: new boards: Overkiz, Acme Systems' Arietta G25
- tegra: HDA support
- bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS RT-AC87U
- mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
boards, DLink DNS-327L
- OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill SL50
- ARM: added support for Juno r1 board
- sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33, Mele A1000G
- imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
Gateworks GW5510, and aristainetos2 boards
- hisilicon: hi6220 SoC support; new boards: 96boards hikey
Conflicts: None
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Kevin Hilman:
"As usual, quite a few device-tree updates in ARM land. There was one
minor churn in DTs due to relicensing under a dual-license, and lots
of little additions of new peripherals, features etc, but nothing
really exciting to call to your attention. Some higlights, focsuing
on support for new SoCs and boards:
- AT91: new boards: Overkiz, Acme Systems' Arietta G25
- tegra: HDA support
- bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS
RT-AC87U
- mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
boards, DLink DNS-327L
- OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill
SL50
- ARM: added support for Juno r1 board
- sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33,
Mele A1000G
- imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
Gateworks GW5510, and aristainetos2 boards
- hisilicon: hi6220 SoC support; new boards: 96boards hikey"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (462 commits)
ARM: hisi: revert changes from hisi/hip04-dt branch
ARM: nomadik: set proper compatible for accelerometer
ARM64: juno: add GPIO keys
ARM: at91/dt: sama5d4: fix dma conf for aes, sha and tdes nodes
ARM: dts: Introduce STM32F429 MCU
ARM: socfpga: dts: enable ethernet for Arria10 devkit
ARM: dts: k2l: fix the netcp range size
ARM: dts: k2e: fix the netcp range size
ARM: dts: k2hk: fix the netcp range size
ARM: dts: k2l-evm: Add device bindings for netcp driver
ARM: dts: k2e-evm: Add device bindings for netcp driver
ARM: dts: k2hk-evm: Add device bindings for netcp driver
ARM: BCM5301X: Add DT for Asus RT-AC87U
ARM: BCM5301X: add IRQ numbers for PCIe controller
ARM: BCM5301X: add NAND flash chip description
arm64: dts: Add dts files for Hisilicon Hi6220 SoC
clk: hi6220: Document devicetree bindings for hi6220 clock
arm64: hi6220: Document devicetree bindings for Hisilicon hi6220 SoC
ARM: at91/dt: sama5d4ek: mci0 uses slot 0
ARM: at91/dt: kizbox: fix mismatch LED PWM device
...
Our SoC branch usually contains expanded support for new SoCs and
other core platform code. Some highlights from this round:
- sunxi: SMP support for A23 SoC
- socpga: big-endian support
- pxa: conversion to common clock framework
- bcm: SMP support for BCM63138
- imx: support new I.MX7D SoC
- zte: basic support for ZX296702 SoC
Conflicts:
arch/arm/mach-socfpga/core.h
Trivial remove/remove conflict with our cleanup branch.
Resolution: remove both sides
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform support updates from Kevin Hilman:
"Our SoC branch usually contains expanded support for new SoCs and
other core platform code. Some highlights from this round:
- sunxi: SMP support for A23 SoC
- socpga: big-endian support
- pxa: conversion to common clock framework
- bcm: SMP support for BCM63138
- imx: support new I.MX7D SoC
- zte: basic support for ZX296702 SoC"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (134 commits)
ARM: zx: Add basic defconfig support for ZX296702
ARM: dts: zx: add an initial zx296702 dts and doc
clk: zx: add clock support to zx296702
dt-bindings: Add #defines for ZTE ZX296702 clocks
ARM: socfpga: fix build error due to secondary_startup
MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS
ARM: ep93xx: simone: support for SPI-based MMC/SD cards
MAINTAINERS: update Shawn's email to use kernel.org one
ARM: socfpga: support suspend to ram
ARM: socfpga: add CPU_METHOD_OF_DECLARE for Arria 10
ARM: socfpga: use CPU_METHOD_OF_DECLARE for socfpga_cyclone5
ARM: EXYNOS: register power domain driver from core_initcall
ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs
ARM: SAMSUNG: Constify platform_device_id
ARM: EXYNOS: Constify irq_domain_ops
ARM: EXYNOS: add coupled cpuidle support for Exynos3250
ARM: EXYNOS: add exynos_get_boot_addr() helper
ARM: EXYNOS: add exynos_set_boot_addr() helper
ARM: EXYNOS: make exynos_core_restart() less verbose
ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout
...
A relatively small setup of cleanups this time around, and similar to last time
the bulk of it is removal of legacy board support:
- OMAP: removal of legacy (non-DT) booting for several platforms
- i.MX: remove some legacy board files
Conflicts: None
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Kevin Hilman:
"A relatively small setup of cleanups this time around, and similar to
last time the bulk of it is removal of legacy board support:
- OMAP: removal of legacy (non-DT) booting for several platforms
- i.MX: remove some legacy board files"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits)
ARM: fix EFM32 build breakage caused by cpu_resume_arm
ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state
ARM: v7 setup function should invalidate L1 cache
mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
ARM: OMAP2+: Constify irq_domain_ops
ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
ARM: at91: remove useless Makefile.boot
ARM: at91: remove at91rm9200_sdramc.h
ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h
ARM: at91/pm: use the atmel-mc syscon defines
pcmcia: at91_cf: Use syscon to configure the MC/smc
ARM: at91: declare the at91rm9200 memory controller as a syscon
mfd: syscon: Add Atmel MC (Memory Controller) registers definition
ARM: at91: drop sam9_smc.c
ata: at91: use syscon to configure the smc
ARM: ux500: delete static resource defines
ARM: ux500: rename ux500_map_io
ARM: ux500: look up PRCMU resource from DT
ARM: ux500: kill off L2CC static map
...
Pull clkdev updates from Russell King:
"This series addresses some breakage in clkdev caused by a previous
patch set from the clk tree which introduced per-user clk structures.
This basically renamed the existing 'struct clk' to 'struct clk_hw',
and introduced a new 'struct clk'.
This change will break anyone using clk_add_alias() with the common
clk code enabled. Thankfully, the intersection of users of
clk_add_alias() and those using the common clk code is practically
zero, but this is something which should be fixed to keep the code
sane.
The problem is that clk_add_alias() does this:
r = clk_get(...);
l = clkdev_alloc(r, ...);
clk_put(...);
which causes the alias to store a pointer to 'r', which has been
freed.
The original patch set tried to work around this problem incorrectly -
at clk_get() time, it tried to convert the struct clk to a struct
clk_hw, and then creating a new struct clk from that. Clearly, if the
original struct clk has been freed, then we have a use-after-free bug.
We have other places in the tree which do something similar, so this
series also addresses those locations too.
This series addresses this problem by converting clkdev to store and
use the clk_hw pointer. This allows clk_get() to only have to create
it's per-user struct clk from the clk_hw. We can also get to the
desired clk_hw at clk_add_alias() or clk lookup creation time, when
the struct clk is "alive".
We also perform some cleanups of the code:
- replacing looped calls to clkdev_add() with clkdev_add_table()
- replacing open-coded lookup allocation (which should have been
using clkdev_alloc()) and subsequent clkdev_add() with
clkdev_create()
- replacing open-coded clk_add_alias() with clk_add_alias()"
* 'for-linus-clk' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
clk: s2mps11: use clkdev_create()
ASoC: migor: use clkdev_create()
ARM: omap2: use clkdev_add_alias()
ARM: omap2: use clkdev_create()
ARM: orion: use clkdev_create()
ARM: lpc32xx: convert to use clkdev_add_table()
SH: use clkdev_add_table()
clkdev: add clkdev_create() helper
clkdev: const-ify connection id to clk_add_alias()
clkdev: get rid of redundant clk_add_alias() prototype in linux/clk.h
clkdev: drop __init from clkdev_add_table()
clk: update clk API documentation to clarify clk_round_rate()
clkdev: use clk_hw internally
* pm-sleep:
PM / sleep: trace_device_pm_callback coverage in dpm_prepare/complete
PM / wakeup: add a dummy wakeup_source to record statistics
PM / sleep: Make suspend-to-idle-specific code depend on CONFIG_SUSPEND
PM / sleep: Return -EBUSY from suspend_enter() on wakeup detection
PM / tick: Add tracepoints for suspend-to-idle diagnostics
PM / sleep: Fix symbol name in a comment in kernel/power/main.c
leds / PM: fix hibernation on arm when gpio-led used with CPU led trigger
ARM: omap-device: use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
bus: omap_l3_noc: add missed callbacks for suspend-to-disk
PM / sleep: Add macro to define common noirq system PM callbacks
PM / sleep: Refine diagnostic messages in enter_state()
PM / wakeup: validate wakeup source before activating it.
* pm-runtime:
PM / Runtime: Update last_busy in rpm_resume
PM / runtime: add note about re-calling in during device probe()
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Merge tag 'v4.1-rc6' into next/dt
Linux 4.1-rc6
Conflicts:
arch/arm/boot/dts/zynq-7000.dtsi
Resolution summary:
Mainline had an earlier version of the commit, resolve in favor of the
newer patch in next/dt branch.
Simplify the DSS detection logic by creating a list of the omapdss
compat strings, instead of checking each separately with an 'if'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Set DSS core hwmod as the parent for all the DSS submodules. This
ensures that the parent hwmods are enabled before any DSS submodules are
accessed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Add DMM hwmod entries for DRA7. This is identical to DMM on OMAP5.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Add a new Linux clock for DRA7 based SoCs to control DESHDCP clock.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Register crypto hwmod links only if they are not disabled in DT.
If DT information is missing, enable them only for GP devices.
Before this patch crypto hwmod links were always disabled for all HS
devices and it was not possible to use omap-aes and omap-sham linux
drivers.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
[paul@pwsan.com: move the complex IP-block presence heuristics into their
own function to simplify the code; fix some checkpatch warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Without this patch function pm_runtime_get_sync() returns 0 even when
some omap subfunction fails. This patch properly propagate error codes
from omap functions back to caller.
This patch fix problem, when loading omap-aes driver in qemu cause
kernel oops.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
[paul@pwsan.com: fix a checkpatch warning]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Without a hwmod for am43xx emif use counting for emif clockdomain does
not happen correctly so it may be shut off by pm code unintentionally.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
We support decoding the bootloader values if DEBUG is defined.
But we also need to change the struct omap_hwmod flags to have
HWMOD_INIT_NO_RESET to avoid the GPMC being reset during the
boot. Otherwise just the default timings will be displayed
instead of the bootloader configured timings.
This also allows us to clean up the various GPMC related
hwmod flags. For debugging, we only need HWMOD_INIT_NO_RESET,
and HWMOD_INIT_NO_IDLE is not needed.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Merge cleanups from Russell King:
* 'for-arm-soc' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: Show proper respect for Heinrich Hertz by using the correct unit for frequency
- Configure MMC data lines 4..8 for 1.8V IO on boards that
are using them as GPIOs instead of MMC data lines
- Add support for Baltos IR5221
- Add device tree support for LogicPD Torpedo devkit
- Add 3717 core pinctrl region
- Add gta04 1w and GSM audio support
- Add wilink and ov2659 support for am437x-gp-evm
- Add am335x-evm bluetooth and mmc3 support
- Enable omap5-uevm uart wakeup interrupt
- Enable I2C2 on BeagleBone as it's used for the capes
- Use defines for LDP GPIO keys
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Merge tag 'omap-for-v4.2/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Merge "Device tree related changes for omaps" from Tony Lindgren:
- Configure MMC data lines 4..8 for 1.8V IO on boards that
are using them as GPIOs instead of MMC data lines
- Add support for Baltos IR5221
- Add device tree support for LogicPD Torpedo devkit
- Add 3717 core pinctrl region
- Add gta04 1w and GSM audio support
- Add wilink and ov2659 support for am437x-gp-evm
- Add am335x-evm bluetooth and mmc3 support
- Enable omap5-uevm uart wakeup interrupt
- Enable I2C2 on BeagleBone as it's used for the capes
- Use defines for LDP GPIO keys
* tag 'omap-for-v4.2/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-evm: add mmc3 and wlan definitions to dts
ARM: dts: Enable SDIO card interrupt for 37xx-evm
ARM: dts: Fix ldp gpio keys to use defines
ARM: dts: Beaglebone i2c definitions
ARM: dts: am437x-gp-evm: add DT nodes for ov2659 sensor
ARM: dts: add DTS for Baltos IR5221
ARM: dts: omap5-uevm: Add Uart wakeup interrupt
ARM: dts: omap3-gta04: Add GSM audio support
ARM: dts: am335x-evm: add bluetooth support
ARM: dts: am437x-gp-evm: add wilink8 support
ARM: dts: omap3-gta04: Add hdqw1 support
ARM: dts: add core2 padconf region for am3517
ARM: dts: Add minimal support for LogicPD Torpedo DM3730 devkit
ARM: OMAP3: Add support for configuring MMC pins as GPIO pins
We get a NULL pointer dereference on omap3 for thumb2 compiled kernels:
Internal error: Oops: 80000005 [#1] SMP THUMB2
...
[<c046497b>] (_raw_spin_unlock_irqrestore) from [<c0024375>]
(omap3_enter_idle_bm+0xc5/0x178)
[<c0024375>] (omap3_enter_idle_bm) from [<c0374e63>]
(cpuidle_enter_state+0x77/0x27c)
[<c0374e63>] (cpuidle_enter_state) from [<c00627f1>]
(cpu_startup_entry+0x155/0x23c)
[<c00627f1>] (cpu_startup_entry) from [<c06b9a47>]
(start_kernel+0x32f/0x338)
[<c06b9a47>] (start_kernel) from [<8000807f>] (0x8000807f)
The power management related assembly on omaps needs to interact with
ARM mode bootrom code, so we need to keep most of the related assembly
in ARM mode.
Turns out this error is because of missing ENDPROC for assembly code
as suggested by Stephen Boyd <sboyd@codeaurora.org>. Let's fix the
problem by adding ENDPROC in two places to sleep34xx.S.
Let's also remove the now duplicate custom code for mode switching.
This has been unnecessary since commit 6ebbf2ce43 ("ARM: convert
all "mov.* pc, reg" to "bx reg" for ARMv6+").
And let's also remove the comments about local variables, they are
now just confusing after the ENDPROC.
The reason why ENDPROC makes a difference is it sets .type and then
the compiler knows what to do with the thumb bit as explained at:
https://wiki.ubuntu.com/ARM/Thumb2PortingHowto
Reported-by: Kevin Hilman <khilman@kernel.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Drop more omap3 legacy board-*.c files for v4.2. This time we're
dropping the board files for beagle, overo and cm-t35.
The reason for dropping these now rather than later is that now
we can simply revert the patches in case of unexpected issues as
we are not dropping any platform data at this point.
This leaves us with only the following board-*.c files:
BOARD REASON NEEDED
board-ldp.c Still used in RMKs boot test system
board-omap3logic.c Getting a .dts file for v4.2
board-omap3pandora.c Got a .dts file for v4.1
board-rx51-*.c Needs /proc/atags support for user space
I'm hoping we can drop the remaining board-*.c for v4.3 merge
window, then keep the platform data around for one more merge
window in case of reverting needed, then drop the platform data
too for v4.4 if no issues needing reverting are found.
Also, few patches to clean-up the usage of Linux generic
macros:
- Use define for console loglevel
- Use const for struct irq_domain_ops
- Use PTR_ERR_OR_ZERO instead of PTR_RET
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Merge tag 'omap-for-v4.2/clean' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
Merge "Clean-up for omaps for v4.2 merge window" from Tony Lindgren:
Drop more omap3 legacy board-*.c files for v4.2. This time we're
dropping the board files for beagle, overo and cm-t35.
The reason for dropping these now rather than later is that now
we can simply revert the patches in case of unexpected issues as
we are not dropping any platform data at this point.
This leaves us with only the following board-*.c files:
BOARD REASON NEEDED
board-ldp.c Still used in RMKs boot test system
board-omap3logic.c Getting a .dts file for v4.2
board-omap3pandora.c Got a .dts file for v4.1
board-rx51-*.c Needs /proc/atags support for user space
I'm hoping we can drop the remaining board-*.c for v4.3 merge
window, then keep the platform data around for one more merge
window in case of reverting needed, then drop the platform data
too for v4.4 if no issues needing reverting are found.
Also, few patches to clean-up the usage of Linux generic
macros:
- Use define for console loglevel
- Use const for struct irq_domain_ops
- Use PTR_ERR_OR_ZERO instead of PTR_RET
* tag 'omap-for-v4.2/clean' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c
ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c
ARM: OMAP2+: Constify irq_domain_ops
ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers
ARM: OMAP2+: Remove legacy booting support for Beagleboards
ARM: OMAP2+: Remove legacy booting support for Overo
ARM: OMAP2+: Remove legacy booting support for cm-t35
This removes the deprecacted marco, PTR_RET and changes the
functions that use this marco in their return statement to
instead use the non deprecacted function, PTR_ERR_OR_ZERO
for the file devices.c.
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This removes two calls to the deprecated marco,PTR_RET in
the files,fb.c and pmu.c for the functions,omap_init_vrfb
and omap_init_pmu respectfully. Furthermore these are now
replaced by calling the correctly non deprecacted function,
PTR_ERR_OR_ZERO in both functions.
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The irq_domain_ops are not modified by the driver and the irqdomain core
code accepts pointer to a const data.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
<linux/printk.h> provides macros for console log level, let's use it
instead of numbers.
Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Some devices are using the MMC1 pins 4..8 as GPIO pins, and in
this case they need to be configured for 1.8V IO voltage if not
done by the bootloader as otherwise some devices like smsc911x
won't work properly.
Let's also make sure this register is saved and restored for
idle.
Cc: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The SI unit of frequency is Hertz, named after Heinrich Hertz, and is
given the symbol "Hz" to denote this. "hz" is not the unit of frequency,
and is in fact meaningless.
Fix arch/arm to correctly use "Hz", thereby acknowledging Heinrich Hertz'
contribution to the modern world.
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Use recently introduced macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS to
set up PM callbacks. This also fixes missed assignment of
.poweroff_noirq() callback.
Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.
Basic build, boot, and PM test results are here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
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Merge tag 'for-v4.1-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.1/fixes
ARM: OMAP2+: first set of hwmod fixes for v4.1-rc
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.
Basic build, boot, and PM test results are here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
With recent changes to use determine_rate, the comparison of two
clocks won't work without clk_is_match that does __clk_get_hw
on the clocks first.
As we've been unconditionally already calling clk_set_parent
already because of the bogus comparison, let's just remove the
check as suggested by Stephen Boyd <sboyd@codeaurora.org>.
Cc: Michael Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The reset code functionality is mostly a copy paste between OMAP4+ and
AM33xx+. Re-use the omap4 code where possible, and just keep the special
implementation for de-asserting the hardreset lines for AM33xx, as
AM33xx+ devices have slightly different register layouts compared to
OMAP4+. This patch also fixes the hardreset issues faced on AM43xx.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
AM43xx has slightly different reset register layout compared to OMAP4+,
with varying status bit shifts and status register offsets. Current
code assumes static offsets and identical status / reset control bit
shifts, which is wrong. This patch adds PRM core support for passing
the actual implementations from hwmod code. AM43xx mappings will be fixed
in subsequent patch.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This patch adds VPFE HWMOD data for AM43xx.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
[paul@pwsan.com: updated to apply on v4.1-rc1]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.
This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.
The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.
Signed-off-by: Tony Lindgren <tony@atomide.com>
When creating aliases of existing clkdev clocks, use clkdev_add_alias()
isntead of open coding the lookup and clk_lookup creation.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rather than open coding the clkdev allocation, initialisation and
addition, use the clkdev_create() helper.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.
This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.
The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.
Cc: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We've been moving all omap2+ based systems to boot in device tree only
mode for a few years now. Only omap3 has legacy booting support
remaining. Most omap3 boards already have related arch/arm/boot/*.dts*
files for booting with device tree.
This board has support for device tree based booting, and we've been
printing warnings about the legacy booting being deprecated for a
few merge cycles now. Let's attempt to remove the legacy booting
for it.
The reason for removing the legacy booting support now rather than
later is we can simply revert this patch if necessary if we run
into some unexpected issues that are not trivial to fix for the
device tree based booting.
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
If we use a combination of VMODE and I2C4 for retention modes,
eventually the off idle power consumption will creep up by about
23mW, even during off mode with I2C4 always staying enabled.
Turns out this is because of erratum i531 "Extra Power Consumed
When Repeated Start Operation Mode Is Enabled on I2C Interface
Dedicated for Smart Reflex (I2C4)" as pointed out by Nishanth
Menon <nm@ti.com>.
Let's fix the issue by adding i2c_cfg_clear_mask for the bits
to clear when initializing the I2C4 adapter so we can clear
SREN bit that drives the I2C4 lines low otherwise when there
is no traffic.
Fixes: 3b8c4ebb76 ("ARM: OMAP3: Fix idle mode signaling for
Cc: stable@vger.kernel.org # v3.16+
sys_clkreq and sys_off_mode")
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
HwSpinlock IP is present only on OMAP4 and other newer SoCs,
which are all device-tree boot only. This patch adds the
base support for parsing the DT nodes, and removes the code
dealing with the traditional platform device instantiation.
Signed-off-by: Suman Anna <s-anna@ti.com>
[tony@atomide.com: ack for legacy file removal]
Acked-by: Tony Lindgren <tony@atomide.com>
[comment on the imperfect always-zero base_id]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
We were expecting to sit on this branch through most of the merge window since
the contents was merged into our tree late, but we ended up sitting on all of
our contents so it can go in with the rest.
The contents here is:
- A large branch of cleanups of the CM/PRM blocks on OMAP.
- A couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
- A branch with DT updates for Freescale i.MX. including some shuffling from
.dts to .dtsi (include) files that causes a little churn.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late changes from Olof Johansson:
"We were expecting to sit on this branch through most of the merge
window since the contents was merged into our tree late, but we ended
up sitting on all of our contents so it can go in with the rest.
The contents here is:
- a large branch of cleanups of the CM/PRM blocks on OMAP.
- a couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
- a branch with DT updates for Freescale i.MX. including some
shuffling from .dts to .dtsi (include) files that causes a little
churn"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
ARM: OMAP4+: control: add support for initializing control module via DT
ARM: dts: dra7: add minimal l4 bus layout with control module support
ARM: dts: omap5: add minimal l4 bus layout with control module support
ARM: OMAP4+: control: remove support for legacy pad read/write
ARM: OMAP4: display: convert display to use syscon for dsi muxing
ARM: dts: omap4: add minimal l4 bus layout with control module support
ARM: dts: am4372: add minimal l4 bus layout with control module support
ARM: dts: am43xx-epos-evm: fix pinmux node layout
ARM: dts: am33xx: add minimal l4 bus layout with control module support
ARM: dts: omap3: add minimal l4 bus layout with control module support
ARM: dts: omap24xx: add minimal l4 bus layout with control module support
ARM: OMAP2+: control: add syscon support for register accesses
ARM: OMAP2+: id: cache omap_type value
ARM: OMAP2+: control: remove API for getting control module base address
ARM: OMAP2+: clock: add low-level support for regmap
ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
ARM: OMAP2+: CM: move SoC specific init calls within a generic API
ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
...
Driver updates for v4.1. Some of these are for drivers/soc, where we find more
and more SoC-specific drivers these days. Some are for other driver subsystems
where we have received acks from the appropriate maintainers.
The larger parts of this branch are:
- MediaTek support for their PMIC wrapper interface, a high-level interface
for talking to the system PMIC over a dedicated I2C interface.
- Qualcomm SCM driver has been moved to drivers/firmware. It's used for CPU
up/down and needs to be in a shared location for arm/arm64 common code.
- Cleanup of ARM-CCI PMU code.
- Anoter set of cleanusp to the OMAP GPMC code.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for v4.1. Some of these are for drivers/soc, where we
find more and more SoC-specific drivers these days. Some are for
other driver subsystems where we have received acks from the
appropriate maintainers.
The larger parts of this branch are:
- MediaTek support for their PMIC wrapper interface, a high-level
interface for talking to the system PMIC over a dedicated I2C
interface.
- Qualcomm SCM driver has been moved to drivers/firmware. It's used
for CPU up/down and needs to be in a shared location for arm/arm64
common code.
- cleanup of ARM-CCI PMU code.
- another set of cleanusp to the OMAP GPMC code"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
soc/mediatek: Remove unused variables
clocksource: atmel-st: select MFD_SYSCON
soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs
arm-cci: Fix CCI PMU event validation
arm-cci: Split the code for PMU vs driver support
arm-cci: Get rid of secure transactions for PMU driver
arm-cci: Abstract the CCI400 PMU specific definitions
arm-cci: Rearrange code for splitting PMU vs driver code
drivers: cci: reject groups spanning multiple HW PMUs
ARM: at91: remove useless include
clocksource: atmel-st: remove mach/hardware dependency
clocksource: atmel-st: use syscon/regmap
ARM: at91: time: move the system timer driver to drivers/clocksource
ARM: at91: properly initialize timer
ARM: at91: at91rm9200: remove deprecated arm_pm_restart
watchdog: at91rm9200: implement restart handler
watchdog: at91rm9200: use the system timer syscon
mfd: syscon: Add atmel system timer registers definition
ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
soc: qcom: gsbi: Add support for ADM CRCI muxing
...
As always, this tends to be one of our bigger branches. There are lots of
updates this release, but not that many jumps out as something that needs
more detailed coverage. Some of the highlights are:
- DTs for the new Annapurna Labs Alpine platform
- More graphics DT pieces falling into place on Exynos, bridges, clocks.
- Plenty of DT updates for Qualcomm platforms for various IP blocks
- Some churn on Tegra due to switch-over to tool-generated pinctrl data
- Misc fixes and updates for Atmel at91 platforms
- Various DT updates to add IP block support on Broadcom's Cygnus platforms
- More updates for Renesas platforms as DT support is added for various IP
blocks (IPMMU, display, audio, etc).
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As always, this tends to be one of our bigger branches. There are
lots of updates this release, but not that many jumps out as something
that needs more detailed coverage. Some of the highlights are:
- DTs for the new Annapurna Labs Alpine platform
- more graphics DT pieces falling into place on Exynos, bridges,
clocks.
- plenty of DT updates for Qualcomm platforms for various IP blocks
- some churn on Tegra due to switch-over to tool-generated pinctrl
data
- misc fixes and updates for Atmel at91 platforms
- various DT updates to add IP block support on Broadcom's Cygnus
platforms
- more updates for Renesas platforms as DT support is added for
various IP blocks (IPMMU, display, audio, etc)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (231 commits)
ARM: dts: alpine: add internal pci
Revert "ARM: dts: mt8135: Add pinctrl/GPIO/EINT node for mt8135."
ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB
ARM: dts: qcom: Add idle state device nodes for 8064
ARM: dts: qcom: Add idle states device nodes for 8084
ARM: dts: qcom: Add idle states device nodes for 8974/8074
ARM: dts: qcom: Update power-controller device node for 8064 Krait CPUs
ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs
devicetree: bindings: Document qcom,idle-states
devicetree: bindings: Update qcom,saw2 node bindings
dt-bindings: Add #defines for MSM8916 clocks and resets
arm: dts: qcom: Add LPASS Audio HW to IPQ8064 device tree
arm: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
arm: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
arm: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
arm: dts: qcom: Add LCC nodes
arm: dts: qcom: Add TCSR support for MSM8960
arm: dts: qcom: Add TCSR support for MSM8660
arm: dts: qcom: Add TCSR support for IPQ8064
...
Our SoC branch usually contains expanded support for new SoCs and other core
platform code. In this case, that includes:
- Support for the new Annapurna Labs "Alpine" platform
- A rework greatly simplifying adding new platform support to the MCPM
subsystem (Multi-cluster power management)
- Cpuidle and PM improvements for Exynos3250
- Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Our SoC branch usually contains expanded support for new SoCs and
other core platform code. In this case, that includes:
- support for the new Annapurna Labs "Alpine" platform
- a rework greatly simplifying adding new platform support to the
MCPM subsystem (Multi-cluster power management)
- cpuidle and PM improvements for Exynos3250
- misc updates for Renesas, OMAP, Meson, i.MX. Some of these could
have gone in other branches but ended up here for various reasons"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
ARM: alpine: add support for generic pci
ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
ARM: vexpress: DCSCB: tighten CPU validity assertion
ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
ARM: MCPM: move the algorithmic complexity to the core code
ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
ARM: EXYNOS: add AFTR mode support for Exynos3250
ARM: EXYNOS: add code for setting/clearing boot flag
ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
ARM: EXYNOS: Remove left over 'extra_save'
ARM: EXYNOS: Constify exynos_pm_data array
ARM: EXYNOS: use static in suspend.c
ARM: EXYNOS: Use platform device name as power domain name
ARM: EXYNOS: add support for async-bridge clocks for pm_domains
ARM: omap-device: add missed callback for suspend-to-disk
...
