This clock must be exported to allow lookup using device tree.
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The current code adds aliases, if necessary, directly when adding
the clock, limiting the number of possible aliases to one.

Some platforms need more than one alias, like the hsmmc pclocks on
s3c2416 which need a "hsmmc" and "mmc_busclk.0" alias for the s3c-
sdhci driver.

Therefore add the possibility to separately add clock aliases for
previously created clocks.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This is needed to allow looking up previous created clocks when
adding separate aliases to them.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The clock_init function checked for a dt node, returning immediately
for non-dt machines. This let to the suspend init never being reached
on those non-DT machines.

So fix this by moving the pm init code above the check.
Signed-off-by: NHeiko Stueber <heiko@sntech.de>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

On some Samsung platforms divider clocks only use specific divider
combinations like the armdiv on s3c2443 and s3c2416. For these
usecases the generic divider clock already provides the option of
providing a lookup table mapping register values to divider values.

Therefore add a new field to samsung_div_clock and if filled with a
table, use clk_register_divider_table instead of clk_register_divider
to register a divider clock
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Reviewed-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The clock frequency of xxti and xusbxti clocks is dependent on the
frequency of the on-board oscillator that is used to generate these
clocks. So allow the frequency of these clocks to be specfied from
device tree.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

For all supported peripheral controllers on Exynos5440, add clock
lookup information.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

For all supported peripheral controllers on Exynos5250, add clock
lookup information.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

For all supported peripheral controllers on Exynos4 SoCs, add clock
lookup information.
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add clock controller nodes for EXYNOS4210, EXYNOS4x12, EXYNOS5250
and EXYNOS5440 SoCs.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add support for mct clock lookup and setup to ensure that the mct
clock is has been turned on.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

With the migration of Exynos4 clocks to use common clock framework, the
old styled 'xtal' clock is not used anymore. Instead, the clock 'fin_pll'
is used as the tick clock for mct controller.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

With support for device tree based clock lookup now available, remove
the auxdata table from exynos4/5 dt-enabled machine file.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The clock speed of xxti and xusbxti clocks depends on the oscillator
used on the board to generate these clocks. For non-dt platforms,
allow the board support for those platforms to set the clock frequency
of xxti and xusbxti clocks.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since the clock initialization should be completed prior to the mct
timer initialization, create a new function 'exynos_init_time' that
first sets up the clock and then invokes the timer initialization
function. The 'init_time' callback in the board files are updated to
invoke this new wrapper function.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Remove Samsung specific clock support in Exynos4/5 and migrate to
use common clock framework.
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The Exynos5440 clocks are statically listed and registered using the
Samsung specific common clock helper functions.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The Exynos5250 clocks are statically listed and registered using the
Samsung specific common clock helper functions. Both device tree based
clock lookup and clkdev based clock lookups are supported.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The Exynos4 clocks are statically listed and registered using the
Samsung specific common clock helper functions. Both device tree
based clock lookup and clkdev based clock lookups are supported.
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

There are several types of pll clocks used in Samsung SoC's and these
pll clocks can be represented as Samsung specific pll clock types and
registered with the common clock framework. Add support for pll35xx,
pll36xx, pll45xx, pll46xx and pll2550x clock types and helper functions
to register them.
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

All Samsung platforms include different types of clock including
fixed-rate, mux, divider and gate clock types. There are typically
hundreds of such clocks on each of the Samsung platforms. To enable
Samsung platforms to register these clocks using the common clock
framework, a bunch of utility functions are introduced here which
simplify the clock registration process. The clocks are usually
statically instantiated and registered with common clock framework.
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Conflicts:
	arch/arm/mach-exynos/mach-exynos4-dt.c

Move the multi core timer (mct) driver to from mach-exynos
to drivers/clocksource and update the Kconfig and makefiles.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

With device tree support enabled for MCT controller, the
staticio-remapping of the MCT controller address space is
removed for Exynos5 platforms (which supports only device
tree based boot).

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add MCT device tree node for Exynos4210, Exynos4212, Exynos4412
and Exynos5250.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add entries to __clksrc_of_table so that Exynos MCT controller is
discoverable using call to clocksource_of_init. With this change,
it would be appropriate to rename the function 'exynos4_timer_init'
as 'mct_init' since it aptly describes this function. Additionally,
the 'init_time' callback of all machine descriptors for exynos
platforms that were previously set to 'exynos4_timer_init' are now
set to either 'mct_init' or 'clocksource_of_init'.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Allow the MCT controller base address and interrupts to be
obtained from device tree and remove unused static definitions
of these. The non-dt support for Exynos5250 is removed but
retained for Exynos4210 based platforms.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Instead of using soc_is_xxx macro at more than one place in
the MCT controller driver to decide the MCT interrpt number
to be setup, populate a table of known MCT global and local
timer interrupts and use the values in table to setup the MCT
interrupts.

This also helps in adding device tree support for MCT controller
driver by allowing the driver to retrieve interrupt numbers from
device tree and populating them into this table, thereby supporting
both legacy and dt functionality to co-exist.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

All the MCT register read/writes use a fixed remapped address
S5P_VA_SYSTIMER.  With device tree support for MCT controller,
it is possible to remove the static remap of the MCT controller
address space and do the remap during the initialization of the
MCT controller with the physical address obtained from the device
tree.

So in preparation of adding device tree support for MCT controller,
add a new register base address variable that will hold the remapped
MCT controller base address and convert all MCT register read/writes
to use this new variable as the base address instead of the fixed
S5P_VA_SYSTIMER.

While at it, the MCT register offset and bit mask definitions are
moved into the MCT controller driver file since there are no other
consumers of these definitions.

Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

The exynos5250 based chromebooks have a max77686 pmic on i2c channel 0.
Add support for the pmic in the common cros5250 dts file.
Tested after enabling cpufreq support for exynos5250 SoC and varying the
arm frequency/voltage using the userspace governer.
Signed-off-by: NAbhilash Kesavan <a.kesavan@samsung.com>
Acked-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch adds device tree nodes for MFC and G-scaler power
domains of exynos5250.It binds these power-domain nodes to repsective
device tree nodes

It also adds support to enable PM generic domains for exynos5250.
Signed-off-by: NPrasanna Kumar <prasanna.ps@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Adding OHCI device tree node for Exynos5250 along with
the device base address.
Signed-off-by: NVivek Gautam <gautam.vivek@samsung.com>
Acked-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Adding EHCI device tree node for Exynos5250 along with
the device base adress and gpio line for vbus.
Signed-off-by: NVivek Gautam <gautam.vivek@samsung.com>
Acked-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add device tree node for DP controller in EXYNOS5250 and
enable the instance for the SMDK5250 board.
Signed-off-by: NAjay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Use AUXDATA to set the device names for DP controller instance
discovered from device tree.
Signed-off-by: NAjay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>