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This line was indented too far.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
This patch adds 'CLK_IGNORE_UNUSED' flag to clocks which is required for
operation of secure monitor call (smc). System will hang when it executes 'smc'
with one of those clock is gated. All related clocks must be enabled.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This patch adds the CLK_SET_RATE_PARENT flag for 'aclk_g3d' clock and parent
clocks becuase 'aclk_g3d' is used to change GPU frequency for DVFS (Dynamic
Voltage Frequency Scaling) feature and adds CLK_IGNORE_UNUSED flags to
'aclk_asyncapbs_g3d'/'aclk_asyncapbm_g3d' clocks to access the SFR
of the MALI device.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
[cw00.choi: Add patch description and add CLK_SET_RATE_PARENT to 'aclk_g3d' clk]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This DIV_CPIF register must be stored when the system is suspended, and must
be restored on system resume. This patch adds the register to the list of
restored registers.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This patch adds CLK_SET_RATE_PARENT flag to support DVFS of Cortex-{A53|A57}
core (big.LITTLE core) because 'sclk_{apollo|atlas}' leaf clock is used to
change the CPU frequency of Cortex-{A53|A57} core in arm_big_little.c driver.
- 'apollo' word means the LITTLE core (Cortex-A53 core) in Exynos5433 TRM.
- 'atlas' word means the big core (Cortex-A57 core) in Exynos5433 TRM.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Use of_clk_parent_fill to fill in the parent clock's array.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Sprinkled all through the platform clock drivers are code like this to
fill the clock parent array:
for (i = 0; i < num_parents; ++i)
parent_names[i] = of_clk_get_parent_name(np, i);
The of_clk_parent_fill() will do the same as the code above, and while
at it, return the number of parents as well since the logic of the
function is to the walk the clock node to look for the parent.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
[sboyd@codeaurora.org: Fixed kernel-doc]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
* clk-meson8b:
clk: meson8b: Add support for Meson8b clocks
clk: meson: Document bindings for Meson8b clock controller
clk: meson: Add support for Meson clock controller
This patch adds support for the basic clocks found on the Amlogic
Meson8b SoCs.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This patchset adds the infrastructure for registering and managing the
core clocks found on Amlogic MesonX SoCs. In particular:
- PLLs
- CPU clock
- Fixed rate clocks, fixed factor clocks, ...
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Since commit 2893c37946 ("clk: make strings in parent name arrays
const") the name of parent clocks can be const. So add more const in
several clock drivers.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The size of clk_data should be the same as CLK_APMIXED_NR_CLK
instead of ARRAY_SIZE(plls). CLK_APMIXED_* is numbered from 1, so
CLK_APMIXED_NR_CLK will be greater than ARRAY_SIZE(plls).
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
When setting the PLL rates, check that:
- VCO is within range
- PFD is within range
- PLL is disabled when postdiv is changed
- postdiv2 <= postdiv1
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Kevin Cernekee <cernekee@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Currently, when the rate is changed, the driver makes sure the
PLL is enabled before doing so. This is done because the PLL
cannot be locked while disabled. Once locked, the drivers
returns the PLL to its previous enable/disable state.
This is a bit cumbersome, and can be simplified.
This commit reworks the .set_rate() functions for the integer
and fractional PLLs. Upon rate change, the PLL is now locked
only if it's already enabled.
Also, the driver locks the PLL on .enable(). This makes sure
the PLL is locked when enabled, and not locked when disabled.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit adds a pll_lock() helper making the code more readable.
Cosmetic change only, no functionality changes.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Timer has external fast clock, and it is a mux clock.
Add the timer clock type for timer driver.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The suggested value in the mmp2 manual is wrong.
There are only 13 bits for numerator, but some suggested
value has 14 bits.
Fix the factor tabled and remove the unused items.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This driver supports the TI CDCE925 programmable clock synthesizer.
The chip contains two PLLs with spread-spectrum clocking support and
five output dividers. The driver only supports the following setup,
and uses a fixed setting for the output muxes:
Y1 is derived from the input clock
Y2 and Y3 derive from PLL1
Y4 and Y5 derive from PLL2
Given a target output frequency, the driver will set the PLL and
divider to best approximate the desired output.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Even if not documented in the datasheet, the Armada 370 SoC can actually
gate the CESA (crypto engine) clock.
Add an entry in the gating_desc table to be able to reference the CESA
gateclk in the crypto node.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Add clock drivers for hi6220 SoC, this driver controls the SoC
registers to supply different clocks to different IPs in the SoC.
We add one divider clock for hi6220 because the divider in hi6220
also has a mask bit but it doesnot obey the rule defined by flag
"CLK_DIVIDER_HIWORD_MASK", we can not get index of the mask bit by
left shift fixed bits (e.g. 16 bits), so we add this divider clock
to handle it.
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Add the header file "hi6220-clock.h" used by both
hi6220 clock driver and hi6220 device tree file.
Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
__init markings on function prototypes are useless, so remove
them.
Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
The clocks on the Arria 10 platform is a bit different than the
Cyclone/Arria 5 platform that it should just have it's own
driver.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
There are 5 possible parent clocks for the SoCFPGA Arria10. Move the define
SYSMGR_SDMMC_CTRL_SET and streq() to clk.h so that the Arria clock driver
can use.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Remove a previously registered clock provider when unload the module.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This patch adds the fixed clocks of external crystal oscillators.
Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
[sboyd@codeaurora.org: Remove size-cells/address-cells]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
the hardware node includes both clock and reset support, so it
is named as "car".
this patch implements Flexible clocks(mux, divider, gate), Selectable
clock(mux, divider, gate), root clock(gate),leaf clock(gate), others.
it also implements the reset controller functionality.
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The variable init (struct clk_init_data) is allocated on the stack.
We weren't initializing the .flags field, so it contains random junk,
which can cause all kinds of interesting issues when the flags are
parsed by clk_register.
Signed-off-by: Ricky Liang <jcliang@chromium.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Add initial clock support for Marvell PXA1928. The PXA1928 is a mobile
SOC and is similar to other MMP/PXA series of SOCs, so a lot of the
existing infrastructure is reused here.
Currently the PLLs are just fixed clocks, and not all leaf clocks are
implemented.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This adds the clock binding documentation for the Marvell PXA1928 SOC.
The PXA1928 has 3 clock control blocks for different subsystems of the
chip.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This patch shows the correct information for debugging when fail
to set clock rate because original error message shows the error
value instead of current clock rate.
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Having this Kconfig sourced outside the clk menu means the option
is under the "Device Drivers" menu instead of the "Common Clock
Framework" menu. Move it so that the bcm clock config options are
in the right place.
Cc: Alex Elder <elder@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/clk-u300.c:1175:13: warning: symbol 'u300_clk_init' was not declared. Should it be static?
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/clk-moxart.c:18:13: warning: symbol 'moxart_of_pll_clk_init' was not declared. Should it be static?
drivers/clk/clk-moxart.c:56:13: warning: symbol 'moxart_of_apb_clk_init' was not declared. Should it be static?
Cc: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/clk-xgene.c:77:43: warning: incorrect type in argument 1 (different address spaces)
drivers/clk/clk-xgene.c:77:43: expected void *csr
drivers/clk/clk-xgene.c:77:43: got void [noderef] <asn:2>*
...
drivers/clk/clk-xgene.c: In function ‘xgene_clk_enable’:
drivers/clk/clk-xgene.c:237:3: warning: format ‘%LX’ expects argument of type ‘long long unsigned int’, but argument 4 has type ‘phys_addr_t’ [-Wformat]
drivers/clk/clk-xgene.c:248:3: warning: format ‘%LX’ expects argument of type ‘long long unsigned int’, but argument 4 has type ‘phys_addr_t’ [-Wformat]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/mmp/clk-apbc.c:118:16: warning: symbol 'clk_apbc_ops' was not declared. Should it be static?
drivers/clk/mmp/clk-apmu.c:64:16: warning: symbol 'clk_apmu_ops' was not declared. Should it be static?
Cc: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/versatile/clk-sp810.c:159:29: error: incompatible types for operation (<=)
drivers/clk/versatile/clk-sp810.c:159:29: left side has type char const *<noident>
drivers/clk/versatile/clk-sp810.c:159:29: right side has type int
drivers/clk/versatile/clk-sp810.c:159:53: error: incompatible types for operation (<=)
drivers/clk/versatile/clk-sp810.c:159:53: left side has type char const *<noident>
drivers/clk/versatile/clk-sp810.c:159:53: right side has type int
drivers/clk/versatile/clk-sp810.c:138:13: warning: symbol 'clk_sp810_of_setup' was not declared. Should it be static?
Acked: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/ti/clk.c:125:31: warning: incorrect type in return expression (different address spaces)
drivers/clk/ti/clk.c:125:31: expected void [noderef] <asn:2>*
drivers/clk/ti/clk.c:125:31: got void *
drivers/clk/ti/clk.c:132:31: warning: incorrect type in return expression (different address spaces)
drivers/clk/ti/clk.c:132:31: expected void [noderef] <asn:2>*
drivers/clk/ti/clk.c:132:31: got void *
drivers/clk/ti/dpll.c:180:14: warning: symbol '_get_reg' was not declared. Should it be static?
drivers/clk/ti/fapll.c:624:32: warning: Using plain integer as NULL pointer
drivers/clk/ti/fapll.c:625:31: warning: Using plain integer as NULL pointer
drivers/clk/ti/fapll.c:630:40: warning: Using plain integer as NULL pointer
drivers/clk/ti/clk-dra7-atl.c:158:22: warning: symbol 'atl_clk_ops' was not declared. Should it be static?
drivers/clk/ti/clk-dra7-atl.c:170:39: warning: Using plain integer as NULL pointer
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/st/clkgen-mux.c:134:4: warning: symbol 'clkgena_divmux_get_parent' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:171:15: warning: symbol 'clkgena_divmux_recalc_rate' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:218:12: warning: symbol 'clk_register_genamux' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:388:13: warning: symbol 'st_of_clkgena_divmux_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:488:13: warning: symbol 'st_of_clkgena_prediv_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:625:13: warning: symbol 'st_of_clkgen_mux_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:702:13: warning: symbol 'st_of_clkgen_vcc_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:273:15: warning: symbol 'recalc_stm_pll800c65' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:300:15: warning: symbol 'recalc_stm_pll1600c65' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:324:15: warning: symbol 'recalc_stm_pll3200c32' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:346:15: warning: symbol 'recalc_stm_pll1200c32' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:565:19: warning: incorrect type in assignment (different address spaces)
drivers/clk/st/clkgen-pll.c:565:19: expected void [noderef] <asn:2>*reg
drivers/clk/st/clkgen-pll.c:565:19: got void *
drivers/clk/st/clkgen-pll.c:576:18: warning: incorrect type in assignment (different address spaces)
drivers/clk/st/clkgen-pll.c:576:18: expected void [noderef] <asn:2>*reg
drivers/clk/st/clkgen-pll.c:576:18: got void *
drivers/clk/st/clkgen-pll.c:693:53: warning: incorrect type in argument 2 (different address spaces)
drivers/clk/st/clkgen-pll.c:693:53: expected void *[noderef] <asn:2>reg
drivers/clk/st/clkgen-pll.c:693:53: got void [noderef] <asn:2>*[assigned] pll_base
drivers/clk/st/clkgen-fsyn.c:495:5: warning: symbol 'clk_fs660c32_vco_get_rate' was not declared. Should it be static?
drivers/clk/st/clkgen-fsyn.c:522:5: warning: symbol 'clk_fs660c32_vco_get_params' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:119:15: warning: symbol 'flexgen_recalc_rate' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:177:12: warning: symbol 'clk_register_flexgen' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:263:13: warning: symbol 'st_of_flexgen_setup' was not declared. Should it be static?
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
