Add support for the lpass clock controller found on SC7280 based devices.
This would allow lpass peripheral loader drivers to control the clocks to
bring the subsystem out of reset.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1633484416-27852-3-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Don't rely on the programmer to enter the name of array elements, since the
computer can compute it with much less chance of making a mistake.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210923162645.23257-9-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This should be the last "add missing clocks" commit, as to
my knowledge there are no more clocks registered within gcc.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210923162645.23257-5-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for RPM-managed clocks on the QCM2290 platform.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210917030434.19859-4-shawn.guo@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
As there is a `rate` field in clk_smd_rpm, clk_smd_rpm_recalc_rate() can
be used by branch clocks to report rate as well, rather than assuming
the rate is always same as parent clock. This assumption doesn't hold
on platforms like QCM2290, where xo_board is 38.4MHz while bi_tcxo is
19.2MHz.
To get this work, XO buffered clocks need the following updates.
- Assign a correct rate rather than the fake one which is being used to
generate binary value for clk_smd_rpm_req interface.
- Explicitly handle the clk_smd_rpm_req interface value for XO buffered
clocks (.rpm_res_type being QCOM_SMD_RPM_CLK_BUF_A).
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210917030434.19859-2-shawn.guo@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[sboyd@kernel.org: Do cpu_to_le32() again to keep sparse happy]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add Global Clock Controller (GCC) driver for QCM2290. This is a porting
of gcc-scuba driver from CAF msm-4.19, with GDSC support added on top.
Because the alpha_pll on the platform has a different register
layout (offsets), its own clk_alpha_pll_regs_offset[] is used in the
driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210919023308.24498-3-shawn.guo@linaro.org
Acked-by: Rob Herring <robh@kernel.org>
[sboyd@kernel.org: Drop duplicate includes, clk.h include, module alias]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
It looks that the offset 0x7d060 is a copy & paste from above
hlos1_vote_turing_mmu_tbu1_gdsc. Correct it to 0x7d07c as per
downstream kernel.
Fixes: cbe63bfdc5 ("clk: qcom: Add Global Clock controller (GCC) driver for SM6115")
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210919022308.24046-1-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The CPUSS clocks are kept always ON and at a fixed frequency of 100MHZ
from the bootloader and no longer required to be controlled from HLOS.
Fixes: a3cc092196 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7280")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1633579571-25475-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Kai Song <songkai01@inspur.com>
Link: https://lore.kernel.org/r/20211006043627.5125-1-songkai01@inspur.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
A previous patch removes the "xo" clock from the global namespace making
it impossible to acquire by that ".name". The device-tree for msm8998
already provides the "xo" and "gpll0" clock since the addition of the
gpucc node making it unnecessary to have this fallback at all.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-8-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Where possible, use ARRAY_SIZE to determine the number of parents in
clk_parent_data, instead of hardcoding it.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-6-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Where possible, use ARRAY_SIZE to determine the number of parents in
clk_parent_data, instead of hardcoding it.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-5-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Now that all clock controllers and the DSI PLL clocks rely on "xo" being
passed in DT as phandle instead of looking it up by the global "xo" name
this transient clock can be removed, leaving only the fixed-factor
"xo_board" clock in DT.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-4-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use parent_data and parent_hws to specify internal relations using
pointers instead of names, and use .fw_name to retrieve external clocks
from clock-names in the DT rather than the global clock tree.
Note that this change relies on the "xo" and "sleep_clk" clocks to be
provided in DT, as per the relevant qcom,gcc-mnsm8998.yaml dt-bindings.
These clocks have been added in a prior patch [1].
[1]: https://lore.kernel.org/linux-arm-msm/20210911120101.248476-1-marijn.suijten@somainline.org/
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-3-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Prepare for a future patch where we use .hw pointers to these GPLL
clocks in the parent mapping instead of name references. This requires
the GPLL clocks to be decared before parent_data arrays.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210911121340.261920-2-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210907084858.4101-1-caihuoqing@baidu.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210907084851.4050-1-caihuoqing@baidu.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210907084843.3999-1-caihuoqing@baidu.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The necessary clocks for this driver are already fully specified in
sdm630 DT under the .fw_name, and do not need an implicit fallback to
their global name.
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210829204822.289829-5-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Where possible, use ARRAY_SIZE to determine the number of parents in
clk_parent_data instead of hardcoding a number that relies on an array
defined hundreds of lines above.
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210829204822.289829-2-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In the commit "clk: qcom: Add SM6350 GCC driver" (no hash yet) an unused
variable has been overlooked. Remove it.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/5b7edab0-4756-94d0-d601-050120cbf4cb@somainline.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
some updates to the basic clk types to use determine_rate for the
divider type and add a power of two fractional divider flag though.
Otherwise, this is a collection of clk driver updates. More than half
the diffstat is in the Qualcomm clk driver where we add a bunch of data
to describe clks on various SoCs and fix bugs. The other big new thing
in here is the Mediatek MT8192 clk driver. That's been under review for
a while and it's nice to see that it's finally upstream.
Beyond that it's the usual set of minor fixes and tweaks to clk drivers.
There are some non-clk driver bits in here which have all been acked by
the respective maintainers.
New Drivers:
- Support video, gpu, display clks on qcom sc7280 SoCs
- GCC clks on qcom MSM8953, SM4250/6115, and SM6350 SoCs
- Multimedia clks (MMCC) on qcom MSM8994/MSM8992
- RPMh clks on qcom SM6350 SoCs
- Support for Mediatek MT8192 SoCs
- Add display (DU and DSI) clocks on Renesas R-Car V3U
- Add I2C, DMAC, USB, sound (SSIF-2), GPIO, CANFD, and ADC clocks and
resets on Renesas RZ/G2L
Updates:
- Support the SD/OE pin on IDT VersaClock 5 and 6 clock generators
- Add power of two flag to fractional divider clk type
- Migrate some clk drivers to clk_divider_ops.determine_rate
- Migrate to clk_parent_data in gcc-sdm660
- Fix CLKOUT clocks on i.MX8MM and i.MX8MN by using imx_clk_hw_mux2
- Switch from .round_rate to .determine_rate in clk-divider-gate
- Fix clock tree update for TF-A controlled clocks for all i.MX8M
- Add missing M7 core clock for i.MX8MN
- YAML conversion of rk3399 clock controller binding
- Removal of GRF dependency for the rk3328/rk3036 pll types
- Drop CLK_IS_CRITICAL flag from Tegra fuse clk
- Make CLK_R9A06G032 Kconfig symbol invisible
- Convert various DT bindings to YAML
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"Nothing changed in the clk framework core this time around. We did get
some updates to the basic clk types to use determine_rate for the
divider type and add a power of two fractional divider flag though.
Otherwise, this is a collection of clk driver updates. More than half
the diffstat is in the Qualcomm clk driver where we add a bunch of
data to describe clks on various SoCs and fix bugs. The other big new
thing in here is the Mediatek MT8192 clk driver. That's been under
review for a while and it's nice to see that it's finally upstream.
Beyond that it's the usual set of minor fixes and tweaks to clk
drivers. There are some non-clk driver bits in here which have all
been acked by the respective maintainers.
New Drivers:
- Support video, gpu, display clks on qcom sc7280 SoCs
- GCC clks on qcom MSM8953, SM4250/6115, and SM6350 SoCs
- Multimedia clks (MMCC) on qcom MSM8994/MSM8992
- RPMh clks on qcom SM6350 SoCs
- Support for Mediatek MT8192 SoCs
- Add display (DU and DSI) clocks on Renesas R-Car V3U
- Add I2C, DMAC, USB, sound (SSIF-2), GPIO, CANFD, and ADC clocks and
resets on Renesas RZ/G2L
Updates:
- Support the SD/OE pin on IDT VersaClock 5 and 6 clock generators
- Add power of two flag to fractional divider clk type
- Migrate some clk drivers to clk_divider_ops.determine_rate
- Migrate to clk_parent_data in gcc-sdm660
- Fix CLKOUT clocks on i.MX8MM and i.MX8MN by using imx_clk_hw_mux2
- Switch from .round_rate to .determine_rate in clk-divider-gate
- Fix clock tree update for TF-A controlled clocks for all i.MX8M
- Add missing M7 core clock for i.MX8MN
- YAML conversion of rk3399 clock controller binding
- Removal of GRF dependency for the rk3328/rk3036 pll types
- Drop CLK_IS_CRITICAL flag from Tegra fuse clk
- Make CLK_R9A06G032 Kconfig symbol invisible
- Convert various DT bindings to YAML"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (128 commits)
dt-bindings: clock: samsung: fix header path in example
clk: tegra: fix old-style declaration
clk: qcom: Add SM6350 GCC driver
MAINTAINERS: clock: include S3C and S5P in Samsung SoC clock entry
dt-bindings: clock: samsung: convert S5Pv210 AudSS to dtschema
dt-bindings: clock: samsung: convert Exynos AudSS to dtschema
dt-bindings: clock: samsung: convert Exynos4 to dtschema
dt-bindings: clock: samsung: convert Exynos3250 to dtschema
dt-bindings: clock: samsung: convert Exynos542x to dtschema
dt-bindings: clock: samsung: add bindings for Exynos external clock
dt-bindings: clock: samsung: convert Exynos5250 to dtschema
clk: vc5: Add properties for configuring SD/OE behavior
clk: vc5: Use dev_err_probe
dt-bindings: clk: vc5: Add properties for configuring the SD/OE pin
dt-bindings: clock: brcm,iproc-clocks: fix armpll properties
clk: zynqmp: Fix kernel-doc format
clk: at91: clk-generated: Limit the requested rate to our range
clk: ralink: avoid to set 'CLK_IS_CRITICAL' flag for gates
clk: zynqmp: Fix a memory leak
clk: zynqmp: Check the return type
...
This adds Global Clock controller (GCC) driver for SM6350 SoC
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210820203624.232268-3-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for RPMH clocks on SM6350 SoCs.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210820203243.230157-3-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Commit 5658e8cf1a ("clk: qcom: add video clock controller driver for
SM8150") and commit 0e94711a1f ("clk: qcom: add video clock controller
driver for SM8250") add config SM_VIDEOCC_8150 and config SM_VIDEOCC_8250,
which select the non-existing configs SDM_GCC_8150 and SDM_GCC_8250,
respectively.
Hence, ./scripts/checkkconfigsymbols.py warns:
SDM_GCC_8150
Referencing files: drivers/clk/qcom/Kconfig
SDM_GCC_8250
Referencing files: drivers/clk/qcom/Kconfig
It is probably just a typo (or naming confusion of using SM_GCC_xxx and
SDM_GCC_xxx for various Qualcomm clock drivers) in the config definitions
for config SM_VIDEOCC_8150 and SM_VIDEOCC_8250, and intends to select the
existing SM_GCC_8150 and SM_GCC_8250, respectively.
Adjust the selects to the existing configs.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210816135930.11810-1-lukas.bulwahn@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the global clock controller found on SM6115
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Based on CAF implementation. GDSCs ported from downstream DT.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210805161107.1194521-3-iskren.chernev@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add a driver for managing MultiMedia SubSystem clocks on msm8994
and its derivatives.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210618111435.595689-2-konrad.dybcio@somainline.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This driver provides clocks, resets and power domains for MSM8953
and compatible SoCs: APQ8053, SDM450, SDA450, SDM632, SDA632.
Signed-off-by: Vladimir Lypak <junak.pub@gmail.com>
Signed-off-by: Adam Skladowski <a_skl39@protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Sireesh Kodali <sireeshkodali@protonmail.com>
Link: https://lore.kernel.org/r/IPvVnyRWbHuQFswiFz0W08Kj1dKoH55ddQVyIIPhMJw@cp7-web-043.plabs.ch
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Using parent_data and parent_hws, instead of parent_names, does protect
against some cases of incompletely defined clock trees. While it turns
out that the bug being chased this time was totally unrelated, this
patch converts the SDM660 GCC driver to avoid such issues.
The "xo" fixed_factor clock is unused within the gcc driver, but
referenced from the DSI PHY. So it's left in place until the DSI driver
is updated.
Tested-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210825204517.1278130-1-bjorn.andersson@linaro.org
[sboyd@kernel.org: Reduce diff by moving enum and tables back to
original position in previous patch]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In the next patch we're going to change these tables to reference the
PLL structures directly. Let's move them here so the diff is easier to
read. No functional change in this patch.
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use two new helpers instead of pm_runtime_enable() and pm_clk_create(),
removing the need for calling pm_runtime_disable and pm_clk_destroy().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210731195034.979084-4-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
MSM8939 has 3 a53pll clocks with different frequency table for Cluster0,
Cluster1 and CCI. It adds function qcom_a53pll_get_freq_tbl() to create
pll_freq_tbl from OPP, so that those a53pll frequencies can be defined
in DT with operating-points-v2 bindings rather than being coded in the
driver. In this case, one compatible rather than three would be needed
for these 3 a53pll clocks.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-5-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Different from MSM8916 which has only one a53pll/mux clock, MSM8939 gets
three for Cluster0 (little cores), Cluster1 (big cores) and CCI (Cache
Coherent Interconnect). That said, a53pll/mux clock needs to be named
uniquely. Append @unit-address of device node to the clock name, so
that a53pll/mux will be named like below on MSM8939.
a53pll@b016000
a53pll@b116000
a53pll@b1d0000
a53mux@b1d1000
a53mux@b011000
a53mux@b111000
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-3-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The clock source for MSM8916 cpu cores is like below.
|\
a53pll --------| \ a53mux +------+
| |------------| cpus |
gpll0_vote --------| / +------+
|/
So a53mux rather than a53pll is actually the parent clock of cpu cores.
It makes more sense to flag a53mux as critical instead, so that when
either a53pll or gpll0_vote is used by cpu cores, the clock will be kept
enabled while the other can be disabled.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210704024032.11559-2-shawn.guo@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The GPU clock controller found in SC8180x is a variant of the same block
found in SM8150, but with one additional clock frequency for the
gmu_clk_src clock.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721225329.3035779-1-bjorn.andersson@linaro.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add definitions for RPM clocks used on MSM8953 platform.
Signed-off-by: Vladimir Lypak <junak.pub@gmail.com>
Signed-off-by: Adam Skladowski <a_skl39@protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Sireesh Kodali <sireeshkodali@protonmail.com>
Link: https://lore.kernel.org/r/QZ0fkozlubDdc7CvqjZPhAviFmjJ28ht7Y4PT3rYM@cp4-web-038.plabs.ch
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add rpm smd clocks, PMIC and bus clocks which are required on
SM4250/6115 for clients to vote on.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210731164827.2756798-2-iskren.chernev@gmail.com
[sboyd@kernel.org: Drop duplicate define, merge with sm6125 support]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
As GDSCs are registered and found to be already enabled gdsc_init()
ensures that 1) the kernel state matches the hardware state, and 2)
votable GDSCs are properly enabled from this master as well.
But as the (optional) supply regulator is enabled deep into
gdsc_toggle_logic(), which is only executed for votable GDSCs, the
kernel's state of the regulator might not match the hardware. The
regulator might be automatically turned off if no other users are
present or the next call to gdsc_disable() would cause an unbalanced
regulator_disable().
Given that the votable case deals with an already enabled GDSC, most of
gdsc_enable() and gdsc_toggle_logic() can be skipped. Reduce it to just
clearing the SW_COLLAPSE_MASK and enabling hardware control to simply
call regulator_enable() in both cases.
The enablement of hardware control seems to be an independent property
from the GDSC being enabled, so this is moved outside that conditional
segment.
Lastly, as the propagation of ALWAYS_ON to GENPD_FLAG_ALWAYS_ON needs to
happen regardless of the initial state this is grouped together with the
other sc->pd updates at the end of the function.
Cc: stable@vger.kernel.org
Fixes: 37416e5549 ("clk: qcom: gdsc: Handle GDSC regulator supplies")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721224056.3035016-1-bjorn.andersson@linaro.org
[sboyd@kernel.org: Rephrase commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The clock controller has two additional clock source pairs, in order to
support more than a single DisplayPort PHY. List these, so it's possible
to describe them all.
Also drop the unnecessary freq_tbl for the link clock sources, to allow
these parents to be used.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721224610.3035258-1-bjorn.andersson@linaro.org
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the video clock controller found on SC7280
based devices. This would allow video drivers to probe and
control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-8-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the graphics clock controller found on SC7280
based devices. This would allow graphics drivers to probe and
control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-6-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the display clock controller found on SC7280
based devices. This would allow display drivers to probe and
control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1626189143-12957-4-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Caught this when looking at alpha-pll code. Untested but it is clear that
this was intended to write to PLL_CAL_L_VAL and not PLL_ALPHA_VAL.
Fixes: 691865bad6 ("clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20210609022852.4151-1-jonathan@marek.ca
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the camera clock controller found on SM8250.
Based on the downstream driver.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Link: https://lore.kernel.org/r/20210609022051.2171-4-jonathan@marek.ca
[sboyd@kernel.org: Add UL to avoid decimal problems]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fix gcc '-Wunused-const-variable' warnings:
drivers/clk/qcom/gcc-mdm9607.c:122:37: warning: 'gcc_xo_gpll0_gpll1'
defined but not used [-Wunused-const-variable=]
drivers/clk/qcom/gcc-mdm9607.c:116:32: warning: 'gcc_xo_gpll0_gpll1_map'
defined but not used [-Wunused-const-variable=]
drivers/clk/qcom/gcc-mdm9607.c:42:37: warning: 'gcc_xo_sleep' defined
but not used [-Wunused-const-variable=]
drivers/clk/qcom/gcc-mdm9607.c:37:32: warning: 'gcc_xo_sleep_map'
defined but not used [-Wunused-const-variable=]
Let's remove them.
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20210609061848.87415-1-pulehui@huawei.com
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add compatible for rpm smd clocks, PMIC and bus clocks which are required
on MSM8226 for clients to vote on.
Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Link: https://lore.kernel.org/r/20210605104040.12960-1-bartosz.dudziak@snejp.pl
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Modify existing MSM8974 driver to support MSM8226 SoC. Override frequencies
which are different in this older chip. Register all the clocks to the
framework for the clients to be able to request for them.
Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Link: https://lore.kernel.org/r/20210418122909.71434-3-bartosz.dudziak@snejp.pl
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add the clocks supported in global clock controller, which clock the
peripherals like BLSPs, SDCC, USB, MDSS etc. Register all the clocks
to the clock framework for the clients to be able to request for them.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Martin Botka <martin.botka@somainline.org>
Link: https://lore.kernel.org/r/20210605121040.282053-2-martin.botka@somainline.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[sboyd@kernel.org: Mark gcc_sm6125_hws array static]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
There is a requirement to support 52MHz for qup clocks for bluetooth
usecase, thus update the frequency table to support the frequency.
Fixes: a3cc092196 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7280")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1624449471-9984-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
During my big cleanup I managed to assign an AO clock to its
non-AO binding. Fix this.
Reported-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210606192657.51037-1-konrad.dybcio@somainline.org
Fixes: a0384ecfe2 ("clk: qcom: smd-rpm: De-duplicate identical entries")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The display clock controller in SC8180x is reused from SM8150, so add
the necessary compatible and wire up the driver to enable this.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210511041719.591969-1-bjorn.andersson@linaro.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
It makes negative sense to keep repeating the same definitions
over and over and over and over again, just with changed names..
De-duplicate to make for a drastically smaller file size. This makes the
object file size 55% smaller according to bloat-o-meter:
Total: Before=70713, After=31353, chg -55.66%
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210524225456.398817-2-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to parent_data and with that fix the longstanding issue where
if there wasn't a clock precisely named "xo_board", rpmcc would not play
along well. This started to show lately when "xo_board" was being changed to
"xo-board" so as to align with DTS naming spec.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210524225456.398817-1-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The dev_err_probe() function prints an error message if the error
code is not -EPROBE_DEFER. If we know the error code in is -ENODEV
then there is no reason to check.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YJotlJBJ1CVAgvMT@mwanda
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
dev_err_probe() returns the error code passed as second parameter. Also if
the error code is -EPROBE_DEFER dev_err_probe() is silent, so there is no
need to check for this value before calling dev_err_probe().
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210427164522.2886825-1-uwe@kleine-koenig.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The root clock generators with MND divider has the capability to support
change in duty-cycle by updating the 'D'. Add the clock ops which would
check all the boundary conditions and enable setting the desired duty-cycle
as per the consumer.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1619334502-9880-2-git-send-email-tdas@codeaurora.org
[sboyd@kernel.org: Remove _val everywhere]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The IPA core clock is required for SDX55. Define it.
Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20210409134407.841137-1-elder@linaro.org
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The test clock isn't in the bindings and apparently it's not used by
anyone upstream. Remove it.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210409183004.1617777-4-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the clock driver to specify parent data rather than parent
names, to actually bind using 'clock-names' specified in the DTS rather
than global clock names.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210409183004.1617777-3-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
CONFIG_IPQ_APSS_PLL is tristate option and therefore this driver can
be compiled as a module. This patch adds missing MODULE_DEVICE_TABLE
definition which generates correct modalias for automatic loading of
this driver when it is built as an external module.
Fixes: ecd2bacfbb ("clk: qcom: Add ipq apss pll driver")
Signed-off-by: Chen Hui <clare.chenhui@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210409082352.233810-4-clare.chenhui@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
CONFIG_QCOM_A53PLL is tristate option and therefore this driver can be
compiled as a module. This patch adds missing MODULE_DEVICE_TABLE
definition which generates correct modalias for automatic loading of
this driver when it is built as an external module.
Fixes: 0c6ab1b8f8 ("clk: qcom: Add A53 PLL support")
Signed-off-by: Chen Hui <clare.chenhui@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210409082352.233810-3-clare.chenhui@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
CONFIG_QCOM_A7PLL is tristate option and therefore this driver can be
compiled as a module. This patch adds missing MODULE_DEVICE_TABLE
definition which generates correct modalias for automatic loading of
this driver when it is built as an external module.
Fixes: 5a5223ffd7 ("clk: qcom: Add A7 PLL support")
Signed-off-by: Chen Hui <clare.chenhui@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210409082352.233810-2-clare.chenhui@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use ARRAY_SIZE() instead of manually specifying num_parents. This makes
adding/removing entries to/from parent_data easy and errorproof.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-34-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use ARRAY_SIZE() instead of manually specifying num_parents. This makes
adding/removing entries to/from parent_data easy and errorproof.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-33-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use ARRAY_SIZE() instead of manually specifying num_parents. This makes
adding/removing entries to/from parent_data easy and errorproof.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-32-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use ARRAY_SIZE() instead of manually specifying num_parents. This makes
adding/removing entries to/from parent_data easy and errorproof.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-31-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use ARRAY_SIZE() instead of manually specifying num_parents. This makes
adding/removing entries to/from parent_data easy and errorproof.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-30-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-29-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-28-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-27-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-26-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-25-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-24-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-23-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-22-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-21-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-20-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-19-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Switch to using parent_hws instead of parent_data when parents are
defined in this driver and so accessible using clk_hw.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-18-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The test clock isn't in the bindings and apparently it's not used by
anyone upstream. Remove it.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-17-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The test clock isn't in the bindings and apparently it's not used by
anyone upstream. Remove it.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-16-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The test clock isn't in the bindings and apparently it's not used by
anyone upstream. Remove it.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-15-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the clock driver to specify parent data rather than parent
names, to actually bind using 'clock-names' specified in the DTS rather
than global clock names.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-14-dmitry.baryshkov@linaro.org
[sboyd@kernel.org: Silence checkpatch block comments]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the clock driver to specify parent data rather than parent
names, to actually bind using 'clock-names' specified in the DTS rather
than global clock names.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-13-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the clock driver to specify parent data rather than parent
names, to actually bind using 'clock-names' specified in the DTS rather
than global clock names.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-12-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Some of the RCGs could be always ON from the XO source and could be used
as the clock on signal for the GDSC to be operational. In the cases where
the GDSCs are parked at different source with the source clock disabled,
it could lead to the GDSC to be stuck at ON/OFF during gdsc disable/enable.
Thus park the RCGs at XO during clock disable and update the rcg_ops to
use the shared_ops.
Fixes: 15d09e830b ("clk: qcom: camcc: Add camera clock controller driver for SC7180")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1616809265-11912-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
While picking commit a8cd989e1a ("mmc: sdhci-msm: Warn about
overclocking SD/MMC") back to my tree I was surprised that it was
reporting warnings. I thought I fixed those! Looking closer at the
fix, I see that I totally bungled it (or at least I halfway bungled
it). The SD card clock got fixed (and that was the one I was really
focused on fixing), but I totally adjusted the wrong clock for eMMC.
Sigh. Let's fix my dumb mistake.
Now both SD and eMMC have floor for the "apps" clock.
This doesn't matter a lot for the final clock rate for HS400 eMMC but
could matter if someone happens to put some slower eMMC on a sc7180.
We also transition through some of these lower rates sometimes and
having them wrong could cause problems during these transitions.
These were the messages I was seeing at boot:
mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
mmc1: Card appears overclocked; req 104000000 Hz, actual 192000000 Hz
Fixes: 6d37a8d192 ("clk: qcom: gcc-sc7180: Use floor ops for sdcc clks")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210224095013.1.I2e2ba4978cfca06520dfb5d757768f9c42140f7c@changeid
Reviewed-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In case the mux is not divided parent_req was mistakenly not assigned to
leading __clk_determine_rate to determine the best frequency setting for
a requested rate of 0, resulting in the msm8996 platform not booting.
Rectify this by refactoring the logic to unconditionally assign to
parent_req.rate with the clock rate the caller is expecting.
Fixes: 7cbb78a99d ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers")
Reported-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210302234106.3418665-1-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The bi_tcxo clock source for SC7280 requires a div 4 to derive 19.2MHz
from the xo_board. Thus update the same.
Fixes: fff2b9a651 ("clk: qcom: rpmh: Add support for RPMH clocks on SC7280")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1615400283-20100-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
clk drivers that dominate the diffstat because we add support for six SoCs from
that particular vendor. The other big change is the removal of various clk
drivers that are no longer used now that the kernel is dropping support for
those SoCs. Beyond that there's the usual non-critical fixes for existing
drivers and a good number of patches from Lee Jones that cleanup a bunch of W=1
enabled builds.
Removed Drivers:
- Remove efm32 clk driver
- Remove tango4 clk driver
- Remove zte zx clk driver
- Remove sirf prima2/atlast clk drivers
- Remove u300 clk driver
New Drivers:
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- GPU clks for Qualcomm SDM660/SDM630
Updates:
- Video clk fixups on Qualcomm SM8250
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
- Support crystal load capacitance for Versaclock VC5
- Add a "skip recall" DT binding for Silicon Labs' si570 to avoid glitches at boot
- Convert Xilinx VCU clk driver to a proper clk provider driver
- Expose Xilinx ZynqMP clk driver to more platforms
- Amlogic pll driver fixup
- Amlogic meson8b clock controller dt support clean up
- Remove mipi clk from the Amlogic axg clock controller
- New Rockchip rk3368 clock ids related to camera input
- Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk reparenting
- A series from Liu Ying that adds some SCU clocks support for i.MX8qxp
DC0/MIPI-LVDS subsystems
- A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ, and
clkout1/2 support for i.MX8MM/MN
- Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
- Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
- Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
(HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
(SYS-DMAC) clocks on Renesas R-Car V3U
- Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
- Allwinner H616 SoC clk support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is all driver updates, the majority of which is a bunch of new
Qualcomm clk drivers that dominate the diffstat because we add support
for six SoCs from that particular vendor.
The other big change is the removal of various clk drivers that are no
longer used now that the kernel is dropping support for those SoCs.
Beyond that there's the usual non-critical fixes for existing drivers
and a good number of patches from Lee Jones that cleanup a bunch of
W=1 enabled builds.
Removed Drivers:
- Remove efm32 clk driver
- Remove tango4 clk driver
- Remove zte zx clk driver
- Remove sirf prima2/atlast clk drivers
- Remove u300 clk driver
New Drivers:
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- GPU clks for Qualcomm SDM660/SDM630
Updates:
- Video clk fixups on Qualcomm SM8250
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
- Support crystal load capacitance for Versaclock VC5
- Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
glitches at boot
- Convert Xilinx VCU clk driver to a proper clk provider driver
- Expose Xilinx ZynqMP clk driver to more platforms
- Amlogic pll driver fixup
- Amlogic meson8b clock controller dt support clean up
- Remove mipi clk from the Amlogic axg clock controller
- New Rockchip rk3368 clock ids related to camera input
- Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
reparenting
- A series from Liu Ying that adds some SCU clocks support for
i.MX8qxp DC0/MIPI-LVDS subsystems
- A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
and clkout1/2 support for i.MX8MM/MN
- Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
- Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
- Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
(HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
(SYS-DMAC) clocks on Renesas R-Car V3U
- Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
- Allwinner H616 SoC clk support"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
clk: mstar: msc313-mpll: Fix format specifier
clk: mstar: Allow MStar clk drivers to be compile tested
clk: qoriq: use macros to generate pll_mask
clk: qcom: Add Global Clock controller (GCC) driver for SC7280
dt-bindings: clock: Add SC7280 GCC clock binding
clk: qcom: rpmh: Add support for RPMH clocks on SC7280
dt-bindings: clock: Add RPMHCC bindings for SC7280
clk: qcom: gcc-sm8350: add gdsc
dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
clk: qcom: gdsc: Implement NO_RET_PERIPH flag
clk: mstar: MStar/SigmaStar MPLL driver
...
Add support for the global clock controller found on SC7280
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1612981579-17391-3-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In the previous commit ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong
parent numbers") the gfx3d ping-pong ops (clk_gfx3d_ops) were
generalized in order to be able to reuse the same ops for more than just
one clock for one SoC: follow the change here in the MSM8996 MMCC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-7-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The function clk_gfx3d_determine_rate is selecting different PLLs
to manage the GFX3D clock source in a special way: this one needs
to be ping-pong'ed on different PLLs to ensure stability during
frequency switching (set a PLL rate, let it stabilize, switch the
RCG to the new PLL) and fast frequency transitions.
This technique is currently being used in the MSM8996 SoC and the
function was assuming that the parents were always at a specific
index in the parents list, which is TRUE, if we use this only on
the MSM8996 MMCC.
Unfortunately, MSM8996 is not the only SoC that needs to ping-pong
the graphics RCG, so choices are:
1. Make new special ops just to hardcode *again* other indexes,
creating code duplication for (imo) no reason; or
2. Generalize this function, so that it becomes usable for a range
of SoCs with slightly different ping-pong configuration.
In this commit, the second road was taken: define a new "special"
struct clk_rcg2_gfx3d, containing the ordered list of parents to
ping-pong the graphics clock on, and the "regular" rcg2 clock
structure in order to generalize the clk_gfx3d_determine_rate
function and make it working for other SoCs.
As for the function itself it is left with the assumption that we
need to ping-pong over three parents. The reasons for this are:
1. The initial model was MSM8996, which has 3 parents for the
graphics clock pingpong;
2. The other example that was taken into consideration is the
SDM630/636/660 SoC gpu clock controller, which is ping-ponging
over two dynamic clocked and one fixed clock PLL.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-6-angelogioacchino.delregno@somainline.org
[sboyd@kernel.org: Grow some local variables, drop do_div() usage in
favor of plain division, we're not dealing with a u64 here]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add a driver for the multimedia clock controller found on SDM660
based devices. This should allow most multimedia device drivers
to probe and control their clocks.
Signed-off-by: Martin Botka <martin.botka@somainline.org>
Co-developed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
[angelogioacchino.delregno@somainline.org: Cleaned up SDM630 clock fixups]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-4-angelogioacchino.delregno@somainline.org
[sboyd@kernel.org: Silence NULL pointer sparse warnings]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This clock is critical for any access to the GPU: gating it will
crash the system when the GPU has been initialized (so, you cannot
gate it unless you deinit the Adreno completely).
So, to achieve a working state with GPU on, set the CLK_IS_CRITICAL
flag to this clock.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-3-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Similarly to MSM8998, any access to the MMSS depends on this clock.
Gating it will crash the system when RPMCC inits mmssnoc_axi_rpm_clk.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-2-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The GPU PLL0 is not a fixed PLL and the rate can be set on it:
this is necessary especially on boards which bootloader is setting
a very low rate on this PLL before booting Linux, which would be
unsuitable for postdividing to reach the maximum allowed Adreno GPU
frequency of 710MHz (or, actually, even 670MHz..) on this SoC.
To allow setting rates on the GPU PLL0, also define VCO boundaries
and set the CLK_SET_RATE_PARENT flag to the GPU PLL0 postdivider.
With this change, the Adreno GPU is now able to scale through all
the available frequencies.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-12-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The GPU GX GDSC has GPU_GX_BCR reset and gfx3d_clk CXC, as stated
on downstream kernels (and as verified upstream, because otherwise
random lockups happen).
Also, add PWRSTS_RET and NO_RET_PERIPH: also as found downstream,
and also as verified here, to avoid GPU related lockups it is
necessary to force retain mem, but *not* peripheral when enabling
this GDSC (and, of course, the inverse on disablement).
With this change, the GPU finally works flawlessly on my four
different MSM8998 devices from two different manufacturers.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-11-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In some rare occasions, we want to only set the RETAIN_MEM bit, but
not the RETAIN_PERIPH one: this is seen on at least SDM630/636/660's
GPU-GX GDSC, where unsetting and setting back the RETAIN_PERIPH bit
will generate chaos and panics during GPU suspend time (mainly, the
chaos is unaligned access).
For this reason, introduce a new NO_RET_PERIPH flag to the GDSC
driver to address this corner case.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-8-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/clk-rpm.c:453:29: warning: ‘clk_rpm_branch_ops’ defined but not used [-Wunused-const-variable=]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-19-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/mmcc-msm8974.c:85:27: warning: ‘mmcc_xo_mmpll0_1_2_gpll0’ defined but not used [-Wunused-const-variable=]
drivers/clk/qcom/mmcc-msm8974.c:77:32: warning: ‘mmcc_xo_mmpll0_1_2_gpll0_map’ defined but not used [-Wunused-const-variable=]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-17-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/gcc-ipq4019.c: In function ‘clk_cpu_div_set_rate’:
drivers/clk/qcom/gcc-ipq4019.c:1279:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-14-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/clk-regmap.c:97: warning: Function parameter or member 'dev' not described in 'devm_clk_register_regmap'
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-5-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This GDSC enables (or cuts!) power to the Multimedia Subsystem IOMMU
(mmss smmu), which has bootloader pre-set secure contexts.
In the event of a complete power loss, the secure contexts will be
reset and the hypervisor will crash the SoC.
To prevent this, and get a working multimedia subsystem, set this
GDSC as always on.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-10-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Hardware clock gating is supported on some of the clocks declared in
there: ignoring that it does exist may lead to unstabilities on some
firmwares.
Add the HWCG registers where applicable to stop potential crashes.
This was verified on a smartphone shipped with a recent MSM8998
firmware, which will experience random crashes without this change.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-9-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
All of the GPLLs in the MSM8998 Global Clock Controller are Fabia PLLs
and not generic alphas: this was producing bad effects over the entire
clock tree of MSM8998, where any GPLL child clock was declaring a false
clock rate, due to their parent also showing the same.
The issue resides in the calculation of the clock rate for the specific
Alpha PLL type, where Fabia has a different register layout; switching
the MSM8998 GPLLs to the correct Alpha Fabia PLL type fixes the rate
(calculation) reading. While at it, also make these PLLs fixed since
their rate is supposed to *never* be changed while the system runs, as
this would surely crash the entire SoC.
Now all the children of all the PLLs are also complying with their
specified clock table and system stability is improved.
Fixes: b5f5f525c5 ("clk: qcom: Add MSM8998 Global Clock Control (GCC) driver")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-7-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The GPU IOMMU depends on this clock and the hypervisor will crash
the SoC if this clock gets disabled because the secure contexts
that have been set on this IOMMU by the bootloader will become
unaccessible (or they get reset).
Mark this clock as critical to avoid this issue when the Adreno
GPU is enabled.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-6-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This patch adds the missing video_cc_mvs0_clk entry to
videocc-sm8250 replicating in upstream the explicit entry for this clock in
downstream.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210204150120.1521959-4-bryan.odonoghue@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This patch adds the missing video_cc_mvs0_div_clk_src entry to
videocc-sm8250 replicating in upstream the explicit entry for this clock in
downstream.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210204150120.1521959-3-bryan.odonoghue@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This adds Global Clock controller (GCC) driver for SM8350 SoC
Signed-off-by: Vivek Aknurwar <viveka@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
[vkoul: rebase and tidy up for upstream]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210127070811.152690-6-vkoul@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Lucid 5LPE is a slightly different Lucid PLL with different offsets and
porgramming sequence so add support for these
Signed-off-by: Vivek Aknurwar <viveka@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
[vkoul: rebase and tidy up for upstream]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210127070811.152690-4-vkoul@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Trion 5LPE set rate uses code similar to alpha_pll_trion_set_rate() but
with different registers. Modularize these by moving out latch and latch
ack bits so that we can reuse the function.
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210127070811.152690-3-vkoul@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
