| Commit message (Collapse) | Author | Age | Files | Lines |
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Not all clocks are implemented but client drivers can still
request them. Currently we will return a NULL pointer to them if
the clock isn't implemented in software but NULL pointers are
valid clock pointers. Return an error pointer so that driver's
don't proceed without a clock they may actually need.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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A new PLL (gpll4) is added on msm8974 PRO devices to support a
faster sdc1 clock rate. Add support for this and the two new sdcc
cal clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The display clocks all source from dedicated phy PLLs within their
respective multimedia hardware block. Hook up these PLLs to the
display clocks with the appropriate parent mappings, clock flags,
and the appropriate clock ops. This should allow the display
clocks to work once the appropriate phy PLL driver registers their
PLL clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add support for the DSI/EDP/HDMI RCG clocks. With the proper
display driver in place this should allow us to support display
clocks on msm8974 based devices.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Some drivers may want to call clk_set_rate() with a very large
number to force the clock to go as fast as it possibly can
without having to know the range between the highest rate and
second highest rate. Add support for this by defaulting to the
highest rate in the frequency table if we can't find a frequency
greater than what is requested.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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We forgot to add the status bit for the PLLs and we were using
the wrong register and masks for configuration, leading to
unexpected PLL configurations. Fix this.
Fixes: d8b212014e69 (clk: qcom: Add support for MSM8974's multimedia clock controller (MMCC))
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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If the bit is set the clock is off so we should be checking for
a clear bit, not a set bit. Invert the logic.
Fixes: bcd61c0f535a (clk: qcom: Add support for root clock generators (RCGs))
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The address of the blsp2_ahb_clk register is incorrect. Fix it.
Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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When consolidating the msm8660 GCC probe code I forgot to keep
around these temporary clock registrations. Put them back so the
clock tree is not entirely orphaned.
Fixes: 49fc825f0cc2 (clk: qcom: Consolidate common probe code)
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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* Remove CE2_SLEEP_CLK, doesn't exist on 8960 family SoCs
* Fix incorrect offset for PMIC_SSBI2_RESET
* Fix typo:
SIC_TIC -> SPS_TIC_H
SFAB_ADM0_M2_A_CLK -> SFAB_ADM0_M2_H_CLK
* Fix naming convention:
SFAB_CFPB_S_HCLK -> SFAB_CFPB_S_H_CLK
SATA_SRC_CLK -> SATA_CLK_SRC
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The APQ8064 and MSM8960 share a significant amount of clock data and
code between the two SoCs. Rather than duplicating the data we just add
support for a unqiue APQ8064 clock table into the MSM8960 code.
For now add just enough clocks to get a basic serial port going on an
APQ8064 device.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: trivial conflict due to missing ipq8064 support]
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Most of the probe code is the same between all the different
clock controllers. Consolidate the code into a common.c file.
This makes changes to the common probe parts easier and reduces
chances for bugs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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According to Documentation/kbuild/makefiles.txt these symbols
should be clk-qcom-y. Otherwise the build will fail if
CONFIG_COMMON_CLK_QCOM=m. Fix it.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a driver for the global clock controller found on MSM8660
based platforms. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a driver for the global clock controller found on MSM 8974
based platforms. This should allow most multimedia device drivers
to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a driver for the global clock controller found on MSM 8974
based platforms. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a driver for the multimedia clock controller found on MSM
8960 based platforms. This should allow multimedia device drivers
to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a driver for the global clock controller found on MSM8960
based platforms. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Reset controllers and clock controllers are combined into one IP
block on Qualcomm chipsets. Usually a reset signal is associated
with each clock branch but sometimes a reset signal is associated
with a handful of clocks. Either way the register interface is
the same; set a bit to assert a reset and clear a bit to deassert
a reset. Add support for these types of resets signals.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add support for the root clock generators on Qualcomm devices.
RCGs are highly customizable mux/divider/counter clocks that can
be used to generate almost any rate desired given some input
source that is faster than the desired rate.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add support for Qualcomm's PLLs (phase locked loops). This is
sufficient enough to be able to determine the rate the PLL is
running at. We can add rate setting support later when it's
needed.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Add a clock type that associates a regmap pointer and some
enable/disable bits with a clk_hw struct. This will be the struct
that a hw specific implementation wraps if it wants to use the
regmap helper functions.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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