Commit Graph

347 Commits

Author SHA1 Message Date
Tony Lindgren
7f7acef857 clk: ti: omap5: Add missing gpmc and ocmc clkctrl
The gpmc clock is needed to update omap5 to boot with genpd with the
related devicetree patches. The ocmc clock is currently not used but
let's add it so we have all the clocks for the l3main2 defined.

Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-03-10 13:59:18 +02:00
Lee Jones
d52848c3f6 clk: ti: gate: Fix possible doc-rot in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/gate.c:67: warning: Function parameter or member 'hw' not described in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
 drivers/clk/ti/gate.c:67: warning: Excess function parameter 'clk' description in 'omap36xx_gate_clk_enable_with_hsdiv_restore'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-17-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-11 11:56:07 -08:00
Lee Jones
975b3edd55 clk: ti: dpll: Fix misnaming of '_register_dpll()'s 'user' parameter
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/dpll.c:163: warning: Function parameter or member 'user' not described in '_register_dpll'
 drivers/clk/ti/dpll.c:163: warning: Excess function parameter 'hw' description in '_register_dpll'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-16-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-11 11:56:07 -08:00
Lee Jones
60b185f111 clk: ti: clockdomain: Fix description for 'omap2_init_clk_clkdm's hw param
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/clockdomain.c:107: warning: Function parameter or member 'hw' not described in 'omap2_init_clk_clkdm'
 drivers/clk/ti/clockdomain.c:107: warning: Excess function parameter 'clk' description in 'omap2_init_clk_clkdm'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-14-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-11 11:56:07 -08:00
Lee Jones
d8dbf923e7 clk: ti: dpll44xx: Fix some potential doc-rot
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/dpll44xx.c:114: warning: Function parameter or member 'hw' not described in 'omap4_dpll_regm4xen_recalc'
 drivers/clk/ti/dpll44xx.c:114: warning: Function parameter or member 'parent_rate' not described in 'omap4_dpll_regm4xen_recalc'
 drivers/clk/ti/dpll44xx.c:114: warning: Excess function parameter 'clk' description in 'omap4_dpll_regm4xen_recalc'
 drivers/clk/ti/dpll44xx.c:150: warning: Function parameter or member 'hw' not described in 'omap4_dpll_regm4xen_round_rate'
 drivers/clk/ti/dpll44xx.c:150: warning: Function parameter or member 'parent_rate' not described in 'omap4_dpll_regm4xen_round_rate'
 drivers/clk/ti/dpll44xx.c:150: warning: Excess function parameter 'clk' description in 'omap4_dpll_regm4xen_round_rate'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-11-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-11 11:56:05 -08:00
Lee Jones
539bf21808 clk: ti: dpll3xxx: Fix some kernel-doc headers and promote other worthy ones
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'hw' not described in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'parent_rate' not described in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:414: warning: Excess function parameter 'clk' description in 'omap3_dpll_recalc'
 drivers/clk/ti/dpll3xxx.c:437: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_enable'
 drivers/clk/ti/dpll3xxx.c:437: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_enable'
 drivers/clk/ti/dpll3xxx.c:479: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_disable'
 drivers/clk/ti/dpll3xxx.c:479: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_disable'
 drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'hw' not described in 'omap3_clkoutx2_recalc'
 drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'parent_rate' not described in 'omap3_clkoutx2_recalc'
 drivers/clk/ti/dpll3xxx.c:755: warning: Excess function parameter 'clk' description in 'omap3_clkoutx2_recalc'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-4-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-10 19:42:48 -08:00
Lee Jones
ed1b7dd702 clk: ti: clkt_dpll: Fix some kernel-doc misdemeanours
Fixes the following W=1 kernel build warning(s):

 drivers/clk/ti/clkt_dpll.c:284: warning: Function parameter or member 'hw' not described in 'omap2_dpll_round_rate'
 drivers/clk/ti/clkt_dpll.c:284: warning: Function parameter or member 'parent_rate' not described in 'omap2_dpll_round_rate'
 drivers/clk/ti/clkt_dpll.c:284: warning: Excess function parameter 'clk' description in 'omap2_dpll_round_rate'

Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-3-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-10 19:42:41 -08:00
Linus Torvalds
8653b778e4 The core framework got some nice improvements this time around. We gained the
ability to get struct clk pointers from a struct clk_hw so that clk providers
 can consume the clks they provide, if they need to do something like that. This
 has been a long missing part of the clk provider API that will help us move
 away from exposing a struct clk pointer in the struct clk_hw. Tracepoints are
 added for the clk_set_rate() "range" functions, similar to the tracepoints we
 already have for clk_set_rate() and we added a column to debugfs to help
 developers understand the hardware enable state of clks in case firmware or
 bootloader state is different than what is expected. Overall the core changes
 are mostly improving the clk driver writing experience.
 
 At the driver level, we have the usual collection of driver updates and new
 drivers for new SoCs. This time around the Qualcomm folks introduced a good
 handful of clk drivers for various parts of three or four SoCs. The SiFive
 folks added a new clk driver for their FU740 SoCs, coming in second on the
 diffstat and then Atmel AT91 and Amlogic SoCs had lots of work done after that
 for various new features. One last thing to note in the driver area is that the
 i.MX driver has gained a new binding to support SCU clks after being on the
 list for many months. It uses a two cell binding which is sort of rare in clk
 DT bindings. Beyond that we have the usual set of driver fixes and tweaks that
 come from more testing and finding out that some configuration was wrong or
 that a driver could support being built as a module.
 
 Core:
  - Add some trace points for clk_set_rate() "range" functions
  - Add hardware enable information to clk_summary debugfs
  - Replace clk-provider.h with of_clk.h when possible
  - Add devm variant of clk_notifier_register()
  - Add clk_hw_get_clk() to generate a struct clk from a struct clk_hw
 
 New Drivers:
  - Bindings for Canaan K210 SoC clks
  - Support for SiFive FU740 PRCI
  - Camera clks on Qualcomm SC7180 SoCs
  - GCC and RPMh clks on Qualcomm SDX55 SoCs
  - RPMh clks on Qualcomm SM8350 SoCs
  - LPASS clks on Qualcomm SM8250 SoCs
 
 Updates:
  - DVFS support for AT91 clk driver
  - Update git repo branch for Renesas clock drivers
  - Add camera (CSI) and video-in (VIN) clocks on Renesas R-Car V3U
  - Add RPC (QSPI/HyperFLASH) clocks on Renesas RZ/G2M, RZ/G2N, and RZ/G2E
  - Stop using __raw_*() I/O accessors in Renesas clk drivers
  - One more conversion of DT bindings to json-schema
  - Make i.MX clk-gate2 driver more flexible
  - New two cell binding for i.MX SCU clks
  - Drop of_match_ptr() in i.MX8 clk drivers
  - Add arch dependencies for Rockchip clk drivers
  - Fix i2s on Rockchip rk3066
  - Add MIPI DSI clks on Amlogic axg and g12 SoCs
  - Support modular builds of Amlogic clk drivers
  - Fix an Amlogic Video PLL clock dependency
  - Samsung Kconfig dependencies updates for better compile test coverage
  - Refactoring of the Samsung PLL clocks driver
  - Small Tegra driver cleanups
  - Minor fixes to Ingenic and VC5 clk drivers
  - Cleanup patches to remove unused variables and plug memory leaks
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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:
 "The core framework got some nice improvements this time around. We
  gained the ability to get struct clk pointers from a struct clk_hw so
  that clk providers can consume the clks they provide, if they need to
  do something like that. This has been a long missing part of the clk
  provider API that will help us move away from exposing a struct clk
  pointer in the struct clk_hw. Tracepoints are added for the
  clk_set_rate() "range" functions, similar to the tracepoints we
  already have for clk_set_rate() and we added a column to debugfs to
  help developers understand the hardware enable state of clks in case
  firmware or bootloader state is different than what is expected.
  Overall the core changes are mostly improving the clk driver writing
  experience.

  At the driver level, we have the usual collection of driver updates
  and new drivers for new SoCs. This time around the Qualcomm folks
  introduced a good handful of clk drivers for various parts of three or
  four SoCs. The SiFive folks added a new clk driver for their FU740
  SoCs, coming in second on the diffstat and then Atmel AT91 and Amlogic
  SoCs had lots of work done after that for various new features. One
  last thing to note in the driver area is that the i.MX driver has
  gained a new binding to support SCU clks after being on the list for
  many months. It uses a two cell binding which is sort of rare in clk
  DT bindings. Beyond that we have the usual set of driver fixes and
  tweaks that come from more testing and finding out that some
  configuration was wrong or that a driver could support being built as
  a module.

  Summary:

  Core:
   - Add some trace points for clk_set_rate() "range" functions
   - Add hardware enable information to clk_summary debugfs
   - Replace clk-provider.h with of_clk.h when possible
   - Add devm variant of clk_notifier_register()
   - Add clk_hw_get_clk() to generate a struct clk from a struct clk_hw

  New Drivers:
   - Bindings for Canaan K210 SoC clks
   - Support for SiFive FU740 PRCI
   - Camera clks on Qualcomm SC7180 SoCs
   - GCC and RPMh clks on Qualcomm SDX55 SoCs
   - RPMh clks on Qualcomm SM8350 SoCs
   - LPASS clks on Qualcomm SM8250 SoCs

  Updates:
   - DVFS support for AT91 clk driver
   - Update git repo branch for Renesas clock drivers
   - Add camera (CSI) and video-in (VIN) clocks on Renesas R-Car V3U
   - Add RPC (QSPI/HyperFLASH) clocks on Renesas RZ/G2M, RZ/G2N, and RZ/G2E
   - Stop using __raw_*() I/O accessors in Renesas clk drivers
   - One more conversion of DT bindings to json-schema
   - Make i.MX clk-gate2 driver more flexible
   - New two cell binding for i.MX SCU clks
   - Drop of_match_ptr() in i.MX8 clk drivers
   - Add arch dependencies for Rockchip clk drivers
   - Fix i2s on Rockchip rk3066
   - Add MIPI DSI clks on Amlogic axg and g12 SoCs
   - Support modular builds of Amlogic clk drivers
   - Fix an Amlogic Video PLL clock dependency
   - Samsung Kconfig dependencies updates for better compile test coverage
   - Refactoring of the Samsung PLL clocks driver
   - Small Tegra driver cleanups
   - Minor fixes to Ingenic and VC5 clk drivers
   - Cleanup patches to remove unused variables and plug memory leaks"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (134 commits)
  dt-binding: clock: Document canaan,k210-clk bindings
  dt-bindings: Add Canaan vendor prefix
  clk: vc5: Use "idt,voltage-microvolt" instead of "idt,voltage-microvolts"
  clk: ingenic: Fix divider calculation with div tables
  clk: sunxi-ng: Make sure divider tables have sentinel
  clk: s2mps11: Fix a resource leak in error handling paths in the probe function
  clk: mvebu: a3700: fix the XTAL MODE pin to MPP1_9
  clk: si5351: Wait for bit clear after PLL reset
  clk: at91: sam9x60: remove atmel,osc-bypass support
  clk: at91: sama7g5: register cpu clock
  clk: at91: clk-master: re-factor master clock
  clk: at91: sama7g5: do not allow cpu pll to go higher than 1GHz
  clk: at91: sama7g5: decrease lower limit for MCK0 rate
  clk: at91: sama7g5: remove mck0 from parent list of other clocks
  clk: at91: clk-sam9x60-pll: allow runtime changes for pll
  clk: at91: sama7g5: add 5th divisor for mck0 layout and characteristics
  clk: at91: clk-master: add 5th divisor for mck master
  clk: at91: sama7g5: allow SYS and CPU PLLs to be exported and referenced in DT
  dt-bindings: clock: at91: add sama7g5 pll defines
  clk: at91: sama7g5: fix compilation error
  ...
2020-12-21 10:39:37 -08:00
David Shah
66cc7af381 clk: ti: omap5: Fix reboot DPLL lock failure when using ABE TIMERs
Having the ABE DPLL ref and bypass muxes set to different inputs was
causing the DPLL not to lock when TIMER8 was used, as it is in the Pyra
for the backlight.

This patch fixes this by setting abe_dpll_bypass_clk_mux to sys_32k_ck
in omap5xxx_dt_clk_init.

A similar patch may also be needed for OMAP44xx which has similar code
in omap4xxx_dt_clk_init, but I have not added this as I have no hardware
to test on.

Signed-off-by: David Shah <dave@ds0.me>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/1d3abe2512054866cc2ea7b2592238f4fa06502a.1607253531.git.hns@goldelico.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-17 01:47:01 -08:00
Zhang Qilong
8c6239f6e9 clk: ti: Fix memleak in ti_fapll_synth_setup
If clk_register fails, we should goto free branch
before function returns to prevent memleak.

Fixes: 163152cbbe ("clk: ti: Add support for FAPLL on dm816x")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201113131623.2098222-1-zhangqilong3@huawei.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-17 01:46:37 -08:00
Tony Lindgren
57f5720136 clk: ti: dra7: Drop idlest polling from IVA clkctrl clocks
Similar to what we've done for IPU and DSP let's ignore the status bit
for the IVA clkctrl register.

The clkctrl status won't change unless the related rstctrl is deasserted,
and the rstctrl status won't change unless the clkctrl is enabled.

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-11-19 15:09:00 +02:00
Tony Lindgren
3614fb09f9 clk: ti: omap4: Drop idlest polling from IVA clkctrl clocks
Similar to what we've done for IPU and DSP let's ignore the status bit
for the IVA clkctrl register.

The clkctrl status won't change unless the related rstctrl is deasserted,
and the rstctrl status won't change unless the clkctrl is enabled.

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-11-19 14:21:27 +02:00
Tony Lindgren
d36edb048f clk: ti: am437x: Keep am4 l3 main clock always on for genpd
In order for suspend and resume to work with genpd on am4, we must keep
l3 main clock always on. Otherwise prm_omap driver will shut down the l3
main clock on suspend when simple-pm-bus and GENPD_FLAG_PM_CLK are used.
Note that we already keep the l3 main clock always on with the legacy
platform code.

Later on we may want to start managing the l3 main clock with a dedicated
interconnect driver instead of using simple-pm-bus and GENPD_FLAG_PM_CLK.

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-11-16 13:00:20 +02:00
Tony Lindgren
9fac08999c clk: ti: am33xx: Keep am3 l3 main clock always on for genpd
In order for suspend and resume to work with genpd on am3, we must keep
l3 main clock always on. Otherwise prm_omap driver will shut down the l3
main clock on suspend when simple-pm-bus and GENPD_FLAG_PM_CLK are used.
Note that we already keep the l3 main clock always on with the legacy
platform code.

Later on we may want to start managing the l3 main clock with a dedicated
interconnect driver instead of using simple-pm-bus and GENPD_FLAG_PM_CLK.

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-11-16 12:57:29 +02:00
Tero Kristo
6045124ebe clk: ti: dra7: add missing clkctrl register for SHA2 instance
DRA7 SoC has two SHA instances. Add the clkctrl entry for the second
one.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-4-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-09-22 13:00:07 -07:00
Tero Kristo
b7a7943fe2 clk: ti: clockdomain: fix static checker warning
Fix a memory leak induced by not calling clk_put after doing of_clk_get.

Reported-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-3-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-09-22 13:00:07 -07:00
Tero Kristo
cec4a609a8 clk: ti: autoidle: add checks against NULL pointer reference
The clk pointer passed to omap2_clk_(deny|allow)_idle can be NULL, so
add checks for this.

Reported-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-2-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-09-22 13:00:07 -07:00
Masahiro Yamada
a7f7f6248d treewide: replace '---help---' in Kconfig files with 'help'
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.

This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.

There are a variety of indentation styles found.

  a) 4 spaces + '---help---'
  b) 7 spaces + '---help---'
  c) 8 spaces + '---help---'
  d) 1 space + 1 tab + '---help---'
  e) 1 tab + '---help---'    (correct indentation)
  f) 1 tab + 1 space + '---help---'
  g) 1 tab + 2 spaces + '---help---'

In order to convert all of them to 1 tab + 'help', I ran the
following commend:

  $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-14 01:57:21 +09:00
Linus Torvalds
6f630784cc This time around we have 4 lines of diff in the core framework, removing a
function that isn't used anymore. Otherwise the main new thing for the common
 clk framework is that it is selectable in the Kconfig language now. Hopefully
 this will let clk drivers and clk consumers be testable on more than the
 architectures that support the clk framework. The goal is to introduce some
 Kunit tests for the framework.
 
 Outside of the core framework we have the usual set of various driver updates
 and non-critical fixes. The dirstat shows that the new Baikal-T1 driver is the
 largest addition this time around in terms of lines of code. After that the x86
 (Intel), Qualcomm, and Mediatek drivers introduce many lines to support new or
 upcoming SoCs. After that the dirstat shows the usual suspects working on their
 SoC support by fixing minor bugs, correcting data and converting some of their
 DT bindings to YAML.
 
 Core:
  - Allow the COMMON_CLK config to be selectable
 
 New Drivers:
  - Clk driver for Baikal-T1 SoCs
  - Mediatek MT6765 clock support
  - Support for Intel Agilex clks
  - Add support for X1830 and X1000 Ingenic SoC clk controllers
  - Add support for the new Renesas RZ/G1H (R8A7742) SoC
  - Add support for Qualcomm's MSM8939 Generic Clock Controller
 
 Updates:
  - Support IDT VersaClock 5P49V5925
  - Bunch of updates for HSDK clock generation unit (CGU) driver
  - Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
  - Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
  - Enable supply regulators for GPU gdscs on Qualcomm SoCs
  - Add support for Si5342, Si5344 and Si5345 chips
  - Support custom flags in Xilinx zynq firmware
  - Various small fixes to the Xilinx clk driver
  - A single minor rounding fix for the legacy Allwinner clock support
  - A few patches from Abel Vesa as preparation of adding audiomix clock support
    on i.MX
  - A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and clk-pllv3
    drivers
  - Drop dependency on ARM64 for i.MX8M clock driver, to support aarch32 mode on
    aarch64 hardware
  - A series from Peng Fan to improve i.MX8M clock drivers, using composite
    clock for core and bus clk slice
  - Set a better parent clock for flexcan on i.MX6UL to support CiA102 defined
    bit rates
  - A couple changes for EMC frequency scaling on Tegra210
  - Support for CPU frequency scaling on Tegra20/Tegra30
  - New clk gate for CSI test pattern generator on Tegra210
  - Regression fixes for Samsung exynos542x and exynos5433 SoCs
  - Use of fallthrough; attribute for Samsung s3c24xx
  - Updates and fixup HDMI and video clocks on Meson8b
  - Fixup reset polarity on Meson8b
  - Fix GPU glitch free mux switch on Meson gx and g12
  - A minor fix for the currently unused suspend/resume handling on Renesas RZ/A1 and RZ/A2
  - Two more conversions of Renesas DT bindings to json-schema
  - Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+
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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 time around we have four lines of diff in the core framework,
  removing a function that isn't used anymore. Otherwise the main new
  thing for the common clk framework is that it is selectable in the
  Kconfig language now. Hopefully this will let clk drivers and clk
  consumers be testable on more than the architectures that support the
  clk framework. The goal is to introduce some Kunit tests for the
  framework.

  Outside of the core framework we have the usual set of various driver
  updates and non-critical fixes. The dirstat shows that the new
  Baikal-T1 driver is the largest addition this time around in terms of
  lines of code. After that the x86 (Intel), Qualcomm, and Mediatek
  drivers introduce many lines to support new or upcoming SoCs. After
  that the dirstat shows the usual suspects working on their SoC support
  by fixing minor bugs, correcting data and converting some of their DT
  bindings to YAML.

  Core:
   - Allow the COMMON_CLK config to be selectable

  New Drivers:
   - Clk driver for Baikal-T1 SoCs
   - Mediatek MT6765 clock support
   - Support for Intel Agilex clks
   - Add support for X1830 and X1000 Ingenic SoC clk controllers
   - Add support for the new Renesas RZ/G1H (R8A7742) SoC
   - Add support for Qualcomm's MSM8939 Generic Clock Controller

  Updates:
   - Support IDT VersaClock 5P49V5925
   - Bunch of updates for HSDK clock generation unit (CGU) driver
   - Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
   - Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
   - Enable supply regulators for GPU gdscs on Qualcomm SoCs
   - Add support for Si5342, Si5344 and Si5345 chips
   - Support custom flags in Xilinx zynq firmware
   - Various small fixes to the Xilinx clk driver
   - A single minor rounding fix for the legacy Allwinner clock support
   - A few patches from Abel Vesa as preparation of adding audiomix
     clock support on i.MX
   - A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and
     clk-pllv3 drivers
   - Drop dependency on ARM64 for i.MX8M clock driver, to support
     aarch32 mode on aarch64 hardware
   - A series from Peng Fan to improve i.MX8M clock drivers, using
     composite clock for core and bus clk slice
   - Set a better parent clock for flexcan on i.MX6UL to support CiA102
     defined bit rates
   - A couple changes for EMC frequency scaling on Tegra210
   - Support for CPU frequency scaling on Tegra20/Tegra30
   - New clk gate for CSI test pattern generator on Tegra210
   - Regression fixes for Samsung exynos542x and exynos5433 SoCs
   - Use of fallthrough; attribute for Samsung s3c24xx
   - Updates and fixup HDMI and video clocks on Meson8b
   - Fixup reset polarity on Meson8b
   - Fix GPU glitch free mux switch on Meson gx and g12
   - A minor fix for the currently unused suspend/resume handling on
     Renesas RZ/A1 and RZ/A2
   - Two more conversions of Renesas DT bindings to json-schema
   - Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (155 commits)
  clk: mediatek: Remove ifr{0,1}_cfg_regs structures
  clk: baikal-t1: remove redundant assignment to variable 'divider'
  clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible"
  dt-bindings: clock: Add a missing include to MMP Audio Clock binding
  dt: Add bindings for IDT VersaClock 5P49V5925
  clk: vc5: Add support for IDT VersaClock 5P49V6965
  clk: Add Baikal-T1 CCU Dividers driver
  clk: Add Baikal-T1 CCU PLLs driver
  dt-bindings: clk: Add Baikal-T1 CCU Dividers binding
  dt-bindings: clk: Add Baikal-T1 CCU PLLs binding
  clk: mediatek: assign the initial value to clk_init_data of mtk_mux
  clk: mediatek: Add MT6765 clock support
  clk: mediatek: add mt6765 clock IDs
  dt-bindings: clock: mediatek: document clk bindings vcodecsys for Mediatek MT6765 SoC
  dt-bindings: clock: mediatek: document clk bindings mipi0a for Mediatek MT6765 SoC
  dt-bindings: clock: mediatek: document clk bindings for Mediatek MT6765 SoC
  CLK: HSDK: CGU: add support for 148.5MHz clock
  CLK: HSDK: CGU: support PLL bypassing
  CLK: HSDK: CGU: check if PLL is bypassed first
  clk: clk-si5341: Add support for the Si5345 series
  ...
2020-06-10 11:42:19 -07:00
Linus Torvalds
694b5a5d31 ARM: SoC changes for v5.8
One new platform gets added, the Realtek RTD1195, which is an older
 Cortex-a7 based relative of the RTD12xx chips that are already supported
 in arch/arm64. The platform may also be extended to support running
 32-bit kernels on those 64-bit chips for memory-constrained machines.
 
 In the Renesas shmobile platform, we gain support for "RZ/G1H" or R8A7742,
 an eight-core chip based on Cortex-A15 and Cortex-A7 cores, originally
 released in 2016 as one of the last high-end 32-bit designs.
 
 There is ongoing cleanup for the integrator, tegra, imx, and omap2
 platforms, with integrator getting very close to the goal of having
 zero code in arch/arm/, and omap2 moving more of the chip specifics
 from old board code into device tree files.
 
 The Versatile Express platform is made more modular, with built-in
 drivers now becoming loadable modules. This is part of a greater effort
 for the Android OS to have a common kernel binary for all platforms and
 any platform specific code in loadable modules.
 
 The PXA platform drops support for Compulab's pxa2xx boards that had
 rather unusual flash and PCI drivers but no known users remaining.
 All device drivers specific to those boards can now get removed as
 well.
 
 Across platforms, there is ongoing cleanup, with Geert and Rob
 revisiting some a lot of Kconfig options.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "One new platform gets added, the Realtek RTD1195, which is an older
  Cortex-a7 based relative of the RTD12xx chips that are already
  supported in arch/arm64. The platform may also be extended to support
  running 32-bit kernels on those 64-bit chips for memory-constrained
  machines.

  In the Renesas shmobile platform, we gain support for "RZ/G1H" or
  R8A7742, an eight-core chip based on Cortex-A15 and Cortex-A7 cores,
  originally released in 2016 as one of the last high-end 32-bit
  designs.

  There is ongoing cleanup for the integrator, tegra, imx, and omap2
  platforms, with integrator getting very close to the goal of having
  zero code in arch/arm/, and omap2 moving more of the chip specifics
  from old board code into device tree files.

  The Versatile Express platform is made more modular, with built-in
  drivers now becoming loadable modules. This is part of a greater
  effort for the Android OS to have a common kernel binary for all
  platforms and any platform specific code in loadable modules.

  The PXA platform drops support for Compulab's pxa2xx boards that had
  rather unusual flash and PCI drivers but no known users remaining. All
  device drivers specific to those boards can now get removed as well.

  Across platforms, there is ongoing cleanup, with Geert and Rob
  revisiting some a lot of Kconfig options"

* tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (94 commits)
  ARM: omap2: fix omap5_realtime_timer_init definition
  ARM: zynq: Don't select CONFIG_ICST
  ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
  clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE
  ARM: davinci: fix build failure without I2C
  power: reset: vexpress: fix build issue
  power: vexpress: cleanup: use builtin_platform_driver
  power: vexpress: add suppress_bind_attrs to true
  Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
  MAINTAINERS: pxa: remove Compulab arm/pxa support
  ARM: pxa: remove Compulab pxa2xx boards
  bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()
  soc: imx: move cpu code to drivers/soc/imx
  ARM: imx: move cpu definitions into a header
  ARM: imx: use device_initcall for imx_soc_device_init
  ARM: imx: pcm037: make pcm970_sja1000_platform_data static
  bus: ti-sysc: Timers no longer need legacy quirk handling
  ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
  ARM: dts: Configure system timers for omap2
  ARM: dts: Configure system timers for ti81xx
  ...
2020-06-04 19:47:11 -07:00
Jason Yan
c5bd76d93e clk: ti: dra7: remove two unused symbols
Fix the following gcc warning:

drivers/clk/ti/clk-7xx.c:320:43: warning: ‘dra7_gpu_sys_clk_data’
defined but not used [-Wunused-const-variable=]
 static const struct omap_clkctrl_div_data dra7_gpu_sys_clk_data
__initconst = {
                                           ^~~~~~~~~~~~~~~~~~~~~
drivers/clk/ti/clk-7xx.c:315:27: warning: ‘dra7_gpu_sys_clk_parents’
defined but not used [-Wunused-const-variable=]
 static const char * const dra7_gpu_sys_clk_parents[] __initconst = {
                           ^~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lkml.kernel.org/r/20200417073523.42520-1-yanaijie@huawei.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-26 20:24:21 -07:00
Tony Lindgren
16aed29d7c clk: ti: dm816: enable sysclk6_ck on init
We need sysclk6_ck enabled early as it is needed by l4_ls and system
timers early on boot. This removes the dependency of system timers to
the interconnect related code that can be then probed later on when
suitable at module_init time.

Cc: linux-clk@vger.kernel.org
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-05-19 09:38:03 -07:00
Tero Kristo
4f74251df0 clk: ti: dra7xx: fix RNG clock parent
RNG is sourced from L4 clock. Add info for this for proper parenting of
the clock.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200430083640.8621-4-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:55:31 -07:00
Tero Kristo
c752424b55 clk: ti: dra7xx: mark MCAN clock as DRA76x only
This clock entry does not exist on any other devices except DRA76,
so mark it as specific to that SoC only.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200430083640.8621-3-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:55:31 -07:00
Tero Kristo
f45c8a501d clk: ti: dra7xx: fix gpu clkctrl parent
gpu_cm:* parent clock name is wrong, replace this with correct
gpu-clkctrl:* clock. Otherwise the clock ends up in the orphaned list.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200430083640.8621-2-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:55:31 -07:00
Tero Kristo
f968045fb9 clk: ti: omap5: Add proper parent clocks for l4-secure clocks
L4 secure clocks do not have their parents set currently, which ends
them up to the orphan clock list. Fix this by adding either l3 or l4
clock as their parent.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200429131341.4697-4-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:54:46 -07:00
Tero Kristo
74c0ac108d clk: ti: omap4: Add proper parent clocks for l4-secure clocks
L4 secure clocks do not have their parents set currently, which ends
them up to the orphan clock list. Fix this by adding either l3 or l4
clock as their parent.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200429131341.4697-3-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:54:44 -07:00
Tero Kristo
c7c1cbbc92 clk: ti: composite: fix memory leak
The parent_names is never released for a component clock definition,
causing some memory leak. Fix by releasing it once it is no longer
needed.

Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200429131341.4697-2-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-14 12:54:41 -07:00
Tero Kristo
852049594b clk: ti: clkctrl: convert subclocks to use proper names also
Addition of the new internal API to get the clkctrl names missed adding
the same conversion in place for the subclocks. This leads into missed
parent/child relationships (i.e. orphaned clocks) with mixed node name
handling, for example with omap4/omap5 where the l4_per clocks are using
new naming, but rest are using old. Fix by converting the subclock
registration to pick correct names for the clocks also.

Fixes: 6c30905205 ("clk: ti: clkctrl: Fix hidden dependency to node name")
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200430083451.8562-1-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-12 20:18:19 -07:00
Tero Kristo
dc6dbd5100 clk: ti: am33xx: fix RTC clock parent
Right now, trying to use RTC purely with the ti-sysc / clkctrl framework
fails to enable the RTC module properly. Based on experimentation, this
appears to be because RTC is sourced from the clkdiv32k optional clock.
TRM is not very clear on this topic, but fix the RTC to use the proper
source clock nevertheless.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200424152301.4018-1-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-12 20:17:46 -07:00
Tero Kristo
e1f9e0d28f clk: ti: clkctrl: Fix Bad of_node_put within clkctrl_get_name
clkctrl_get_name incorrectly calls of_node_put when it is not really
doing of_node_get. This causes a boot time warning later on:

[    0.000000] OF: ERROR: Bad of_node_put() on /ocp/interconnect@4a000000/segmen
t@0/target-module@5000/cm_core_aon@0/ipu-cm@500/ipu1-clkctrl@20

Fix by dropping the of_node_put from the function.

Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Fixes: 6c30905205 ("clk: ti: clkctrl: Fix hidden dependency to node name")
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lkml.kernel.org/r/20200424124725.9895-1-t-kristo@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-05-12 20:16:10 -07:00
Linus Torvalds
854e80bcfd ARM: devicetree updates for v5.7
Most of the commits are for additional hardware support and minor fixes
 for existing machines for all the usual platforms: qcom, amlogic, at91,
 gemini, mediatek, ti, socfpga, i.mx, layerscape, uniphier, rockchip,
 exynos, ux500, mvebu, tegra, stm32, renesas, sunxi, broadcom, omap,
 and versatile.
 
 The conversion of binding files to machine-readable yaml format
 continues, along with fixes found during the validation.
 Andre Przywara takes over maintainership for the old Calxeda Highbank
 platform and provides a number of updates.
 
 The OMAP2+ platforms see a continued move from platform data into
 dts files, for many devices that relied on a mix of auxiliary data
 in addition to the DT description
 
 A moderate number of new SoCs and machines are added, here is a full
 list:
 
 - Two new Qualcomm SoCs with their evaluation boards: Snapdragon 865
   (SM8250) is the current high-end phone chip, and IPQ6018 is a new
   WiFi-6 router chip.
 
 - Mediatek MT8516 application processor SoC for voice assistants, along
   with the "pumpkin" development board
 
 - NXP i.MX8M Plus SoC, a variant of the popular i.MX8M, along with an
   evaluation board.
 
 - Kontron "sl28" board family based on NXP LS1028A
 
 - Eleven variations of the new i.MX6 TechNexion Pico board, combining
   the "dwarf", "hobbit", "nymph" and "pi" baseboards with i.MX6/i.MX7
   SoM carriers
 
 - Three additional variants of the Toradex Colibri board family, all
   based on versions of the NXP i.MX7.
 
 - The Pinebook Pro laptop based on Rockchip RK3399
 
 - Samsung S7710 Galaxy Xcover 2, a 2013 vintage Android phone based on
   the ST-Ericsson u8500 platform
 
 - DH Electronics DHCOM SoM and PDK2 rev. 400 carrier based on
   STMicroelectronics stm32mp157
 
 - Renesas M3ULCB starter kit for R-Car M3-W+
 
 - Hoperun HiHope development board with Renesas RZ/G2M
 
 - Pine64 PineTab tablet and PinePhone phone, both based on Allwinner A64
 
 - Linutronix Testbox v2 for the Lamobo R1 router, based on Allwinner A20
 
 - PocketBook Touch Lux 3 ebook reader, based on Allwinner A13
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-dt-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM devicetree updates from Arnd Bergmann:
 "Most of the commits are for additional hardware support and minor
  fixes for existing machines for all the usual platforms: qcom,
  amlogic, at91, gemini, mediatek, ti, socfpga, i.mx, layerscape,
  uniphier, rockchip, exynos, ux500, mvebu, tegra, stm32, renesas,
  sunxi, broadcom, omap, and versatile.

  The conversion of binding files to machine-readable yaml format
  continues, along with fixes found during the validation. Andre
  Przywara takes over maintainership for the old Calxeda Highbank
  platform and provides a number of updates.

  The OMAP2+ platforms see a continued move from platform data into dts
  files, for many devices that relied on a mix of auxiliary data in
  addition to the DT description

  A moderate number of new SoCs and machines are added, here is a full
  list:

   - Two new Qualcomm SoCs with their evaluation boards: Snapdragon 865
     (SM8250) is the current high-end phone chip, and IPQ6018 is a new
     WiFi-6 router chip.

   - Mediatek MT8516 application processor SoC for voice assistants,
     along with the "pumpkin" development board

   - NXP i.MX8M Plus SoC, a variant of the popular i.MX8M, along with an
     evaluation board.

   - Kontron "sl28" board family based on NXP LS1028A

   - Eleven variations of the new i.MX6 TechNexion Pico board, combining
     the "dwarf", "hobbit", "nymph" and "pi" baseboards with i.MX6/i.MX7
     SoM carriers

   - Three additional variants of the Toradex Colibri board family, all
     based on versions of the NXP i.MX7.

   - The Pinebook Pro laptop based on Rockchip RK3399

   - Samsung S7710 Galaxy Xcover 2, a 2013 vintage Android phone based
     on the ST-Ericsson u8500 platform

   - DH Electronics DHCOM SoM and PDK2 rev. 400 carrier based on
     STMicroelectronics stm32mp157

   - Renesas M3ULCB starter kit for R-Car M3-W+

   - Hoperun HiHope development board with Renesas RZ/G2M

   - Pine64 PineTab tablet and PinePhone phone, both based on Allwinner
     A64

   - Linutronix Testbox v2 for the Lamobo R1 router, based on Allwinner
     A20

   - PocketBook Touch Lux 3 ebook reader, based on Allwinner A13"

* tag 'arm-dt-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (520 commits)
  ARM: dts: ux500: Fix missing node renames
  arm64: dts: Revert "specify console via command line"
  MAINTAINERS: Update Calxeda Highbank maintainership
  arm: dts: calxeda: Group port-phys and sgpio-gpio items
  arm: dts: calxeda: Fix interrupt grouping
  arm: dts: calxeda: Provide UART clock
  arm: dts: calxeda: Basic DT file fixes
  arm64: dts: specify console via command line
  ARM: dts: at91: sama5d27_wlsom1_ek: add USB device node
  ARM: dts: gemini: Add thermal zone to DIR-685
  ARM: dts: gemini: Rename IDE nodes
  ARM: socfpga: arria10: Add ptp_ref clock to ethernet nodes
  arm64: dts: ti: k3-j721e-mcu: add scm node and phy-gmii-sel nodes
  arm64: dts: ti: k3-am65-mcu: add phy-gmii-sel node
  arm64: dts: ti: k3-am65-mcu: Add DMA entries for ADC
  arm64: dts: ti: k3-am65-main: Add DMA entries for main_spi0
  arm64: dts: ti: k3-j721e-mcu-wakeup: Add DMA entries for ADC
  arm64: dts: ti: k3-am65: Add clocks to dwc3 nodes
  arm64: dts: meson-g12b-odroid-n2: add SPIFC controller node
  arm64: dts: khadas-vim3: add SPIFC controller node
  ...
2020-04-03 15:22:05 -07:00
Tony Lindgren
1bf4b15b19 clk: ti: Fix dm814x clkctrl for ethernet
We are missing alwon ethernet clock for dm814x and this prevents us
from probing the CPSW with device tree only data. Looks like Ethernet
currently only works if it has been enabled in the bootloader.

Looks like relying on the bootloader clocks is not an issue with the
mainline kernel currently, but it will be an issue when configuring
CPSW Ethernet to probe with device tree data only as we will be managing
the clocks.

Fixes: 26ca2e9738 ("clk: ti: dm814: add clkctrl clock data")
Cc: linux-clk@vger.kernel.org
Cc: Graeme Smecher <gsmecher@threespeedlogic.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-03-17 09:45:24 -07:00
Tony Lindgren
5f3d9b07b9 clk: ti: am43xx: Fix clock parent for RTC clock
Currently enabling clkctrl clock on am4 can fail for RTC as the clock
parent is wrong for RTC.

Fixes: 76a1049b84 ("clk: ti: am43xx: add new clkctrl data for am43xx")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lkml.kernel.org/r/20200221171030.39326-1-tony@atomide.com
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-03-16 11:28:05 -07:00
Linus Torvalds
4ef1a30c6b ARM: SoC: late updates
This is some material that we picked up into our tree late, or that had
 more complex dependencies on more than one topic branch that makes sense
 to keep separately.
 
  - TI support for secure accelerators and hwrng on OMAP4/5
 
  - TI camera changes for dra7 and am437x and SGX improvement due to better
    reset control support on am335x, am437x and dra7
 
  - Davinci moves to proper clocksource on DM365, and regulator/audio
    improvements for DM365 and DM644x eval boards
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC late updates from Olof Johansson:
 "This is some material that we picked up into our tree late, or that
  had more complex dependencies on more than one topic branch that makes
  sense to keep separately.

   - TI support for secure accelerators and hwrng on OMAP4/5

   - TI camera changes for dra7 and am437x and SGX improvement due to
     better reset control support on am335x, am437x and dra7

   - Davinci moves to proper clocksource on DM365, and regulator/audio
     improvements for DM365 and DM644x eval boards"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
  ARM: dts: omap4-droid4: Enable hdq for droid4 ds250x 1-wire battery nvmem
  ARM: dts: motorola-cpcap-mapphone: Configure calibration interrupt
  ARM: dts: Configure interconnect target module for am437x sgx
  ARM: dts: Configure sgx for dra7
  ARM: dts: Configure rstctrl reset for am335x SGX
  ARM: dts: dra7: Add ti-sysc node for VPE
  ARM: dts: dra7: add vpe clkctrl node
  ARM: dts: am43x-epos-evm: Add VPFE and OV2659 entries
  ARM: dts: am437x-sk-evm: Add VPFE and OV2659 entries
  ARM: dts: am43xx: add support for clkout1 clock
  arm: dts: dra76-evm: Add CAL and OV5640 nodes
  arm: dtsi: dra76x: Add CAL dtsi node
  arm: dts: dra72-evm-common: Add entries for the CSI2 cameras
  ARM: dts: DRA72: Add CAL dtsi node
  ARM: dts: dra7-l4: Add ti-sysc node for CAM
  ARM: OMAP: DRA7xx: Make CAM clock domain SWSUP only
  ARM: dts: dra7: add cam clkctrl node
  ARM: OMAP2+: Drop legacy platform data for omap4 des
  ARM: OMAP2+: Drop legacy platform data for omap4 sham
  ARM: OMAP2+: Drop legacy platform data for omap4 aes
  ...
2020-02-08 14:17:27 -08:00
Linus Torvalds
f4a6365ae8 There are a few changes to the core framework this time around, in addition to
the normal collection of driver updates to support new SoCs, fix incorrect
 data, and convert various drivers to clk_hw based APIs.
 
 In the core, we allow clk_ops::init() to return an error code now so that we
 can fail clk registration if the callback does something like fail to allocate
 memory. We also add a new "terminate" clk_op so that things done in
 clk_ops::init() can be undone, e.g. free memory. We also spit out a warning now
 when critical clks fail to enable and we support changing clk rates and
 enable/disable state through debugfs when developers compile the kernel
 themselves.
 
 On the driver front, we get support for what seems like a lot of Qualcomm and
 NXP SoCs given that those vendors dominate the diffstat. There are a couple new
 drivers for Xilinx and Amlogic SoCs too. The updates are all small things like
 fixing the way glitch free muxes switch parents, avoiding div-by-zero problems,
 or fixing data like parent names. See the updates section below for more
 details.
 
 Finally, the "basic" clk types have been converted to support specifying
 parents with clk_hw pointers. This work includes an overhaul of the fixed-rate
 clk type to be more modern by using clk_hw APIs.
 
 Core:
  - Let clk_ops::init() return an error code
  - Add a clk_ops::terminate() callback to undo clk_ops::init()
  - Warn about critical clks that fail to enable or prepare
  - Support dangerous debugfs actions on clks with dead code
 
 New Drivers:
  - Support for Xilinx Versal platform clks
  - Display clk controller on qcom sc7180
  - Video clk controller on qcom sc7180
  - Graphics clk controller on qcom sc7180
  - CPU PLLs for qcom msm8916
  - Move qcom msm8974 gfx3d clk to RPM control
  - Display port clk support on qcom sdm845 SoCs
  - Global clk controller on qcom ipq6018
  - Add a driver for BCLK of Freescale SAI cores
  - Add cam, vpe and sgx clock support for TI dra7
  - Add aess clock support for TI omap5
  - Enable clks for CPUfreq on Allwinner A64 SoCs
  - Add Amlogic meson8b DDR clock controller
  - Add input clocks to Amlogic meson8b controllers
  - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
  - i.MX8MP clk driver support
 
 Updates:
  - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs
  - Detect more PRMCU variants in ux500 driver
  - Adjust the composite clk type to new way of describing clk parents
  - Fixes for clk controllers on qcom msm8998 SoCs
  - Fix gmac main clock for TI dra7
  - Move TI dra7-atl clock header to correct location
  - Fix hidden node name dependency on TI clkctrl clocks
  - Fix Amlogic meson8b mali clock update using the glitch free mux
  - Fix Amlogic pll driver division by zero at init
  - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config symbols
  - Switch more i.MX clk drivers to clk_hw based APIs
  - Disable non-functional divider between pll4_audio_div and
    pll4_post_div on imx6q
  - Fix watchdog2 clock name typo in imx7ulp clock driver
  - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M SoCs
  - Suppress bind attrs for i.MX8M clock driver
  - Add a big comment in imx8qxp-lpcg driver to tell why
    devm_platform_ioremap_resource() shouldn't be used for the driver
  - A correction on i.MX8MN usb1_ctrl parent clock setting
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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:
 "There are a few changes to the core framework this time around, in
  addition to the normal collection of driver updates to support new
  SoCs, fix incorrect data, and convert various drivers to clk_hw based
  APIs.

  In the core, we allow clk_ops::init() to return an error code now so
  that we can fail clk registration if the callback does something like
  fail to allocate memory. We also add a new "terminate" clk_op so that
  things done in clk_ops::init() can be undone, e.g. free memory. We
  also spit out a warning now when critical clks fail to enable and we
  support changing clk rates and enable/disable state through debugfs
  when developers compile the kernel themselves.

  On the driver front, we get support for what seems like a lot of
  Qualcomm and NXP SoCs given that those vendors dominate the diffstat.
  There are a couple new drivers for Xilinx and Amlogic SoCs too. The
  updates are all small things like fixing the way glitch free muxes
  switch parents, avoiding div-by-zero problems, or fixing data like
  parent names. See the updates section below for more details.

  Finally, the "basic" clk types have been converted to support
  specifying parents with clk_hw pointers. This work includes an
  overhaul of the fixed-rate clk type to be more modern by using clk_hw
  APIs.

  Core:
   - Let clk_ops::init() return an error code
   - Add a clk_ops::terminate() callback to undo clk_ops::init()
   - Warn about critical clks that fail to enable or prepare
   - Support dangerous debugfs actions on clks with dead code

  New Drivers:
   - Support for Xilinx Versal platform clks
   - Display clk controller on qcom sc7180
   - Video clk controller on qcom sc7180
   - Graphics clk controller on qcom sc7180
   - CPU PLLs for qcom msm8916
   - Move qcom msm8974 gfx3d clk to RPM control
   - Display port clk support on qcom sdm845 SoCs
   - Global clk controller on qcom ipq6018
   - Add a driver for BCLK of Freescale SAI cores
   - Add cam, vpe and sgx clock support for TI dra7
   - Add aess clock support for TI omap5
   - Enable clks for CPUfreq on Allwinner A64 SoCs
   - Add Amlogic meson8b DDR clock controller
   - Add input clocks to Amlogic meson8b controllers
   - Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
   - i.MX8MP clk driver support

  Updates:
   - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw
     based APIs
   - Detect more PRMCU variants in ux500 driver
   - Adjust the composite clk type to new way of describing clk parents
   - Fixes for clk controllers on qcom msm8998 SoCs
   - Fix gmac main clock for TI dra7
   - Move TI dra7-atl clock header to correct location
   - Fix hidden node name dependency on TI clkctrl clocks
   - Fix Amlogic meson8b mali clock update using the glitch free mux
   - Fix Amlogic pll driver division by zero at init
   - Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config
     symbols
   - Switch more i.MX clk drivers to clk_hw based APIs
   - Disable non-functional divider between pll4_audio_div and
     pll4_post_div on imx6q
   - Fix watchdog2 clock name typo in imx7ulp clock driver
   - Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M
     SoCs
   - Suppress bind attrs for i.MX8M clock driver
   - Add a big comment in imx8qxp-lpcg driver to tell why
     devm_platform_ioremap_resource() shouldn't be used for the driver
   - A correction on i.MX8MN usb1_ctrl parent clock setting"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (140 commits)
  dt/bindings: clk: fsl,plldig: Drop 'bindings' from schema id
  clk: ls1028a: Fix warning on clamp() usage
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  ...
2020-02-03 22:10:18 +00:00
Stephen Boyd
db865ee447 Merge branches 'clk-imx', 'clk-ti', 'clk-xilinx', 'clk-nvidia', 'clk-qcom', 'clk-freescale' and 'clk-qoriq' into clk-next
- Support for Xilinx Versal platform clks
 - Display clk controller on qcom sc7180
 - Video clk controller on qcom sc7180
 - Graphics clk controller on qcom sc7180
 - CPU PLLs for qcom msm8916
 - Fixes for clk controllers on qcom msm8998 SoCs
 - Move qcom msm8974 gfx3d clk to RPM control
 - Display port clk support on qcom sdm845 SoCs
 - Global clk controller on qcom ipq6018
 - Adjust composite clk to new way of describing clk parents
 - Add a driver for BCLK of Freescale SAI cores

* clk-imx: (32 commits)
  clk: imx: Add support for i.MX8MP clock driver
  dt-bindings: imx: Add clock binding doc for i.MX8MP
  clk: imx: gate4: Switch imx_clk_gate4_flags() to clk_hw based API
  clk: imx: imx8mq: Switch to clk_hw based API
  clk: imx: imx8mm: Switch to clk_hw based API
  clk: imx: imx8mn: Switch to clk_hw based API
  clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API
  clk: imx: gate3: Switch to clk_hw based API
  clk: imx: add hw API imx_clk_hw_mux2_flags
  clk: imx: add imx_unregister_hw_clocks
  clk: imx: clk-composite-8m: Switch to clk_hw based API
  clk: imx: clk-pll14xx: Switch to clk_hw based API
  clk: imx7up: Rename the clks to hws
  clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pfdv2 to imply it's clk_hw based
  clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based
  clk: imx: Rename sccg and frac pll register to suggest clk_hw
  clk: imx: imx7ulp composite: Rename to show is clk_hw based
  clk: imx: pllv2: Switch to clk_hw based API
  clk: imx: pllv1: Switch to clk_hw based API
  ...

* clk-ti:
  clk: ti: clkctrl: Fix hidden dependency to node name
  clk: ti: add clkctrl data dra7 sgx
  clk: ti: omap5: Add missing AESS clock
  clk: ti: dra7: fix parent for gmac_clkctrl
  clk: ti: dra7: add vpe clkctrl data
  clk: ti: dra7: add cam clkctrl data
  dt-bindings: clock: Move ti-dra7-atl.h to dt-bindings/clock

* clk-xilinx:
  clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
  clk: zynqmp: Fix divider calculation
  clk: zynqmp: Add support for get max divider
  clk: zynqmp: Warn user if clock user are more than allowed
  clk: zynqmp: Extend driver for versal
  dt-bindings: clock: Add bindings for versal clock driver

* clk-nvidia:
  clk: tegra20/30: Explicitly set parent clock for Video Decoder
  clk: tegra20/30: Don't pre-initialize displays parent clock
  clk: tegra: divider: Check UART's divider enable-bit state on rate's recalculation
  clk: tegra: clk-dfll: Remove call to pm_runtime_irq_safe()
  clk: tegra: Mark fuse clock as critical

* clk-qcom: (35 commits)
  clk: qcom: rpmh: Sort OF match table
  dt-bindings: fix warnings in validation of qcom,gcc.yaml
  dt-binding: fix compilation error of the example in qcom,gcc.yaml
  clk: qcom: Add ipq6018 Global Clock Controller support
  clk: qcom: Add DT bindings for ipq6018 gcc clock controller
  clk: qcom: gcc-msm8996: Fix parent for CLKREF clocks
  clk: qcom: rpmh: Add IPA clock for SC7180
  clk: qcom: rpmh: skip undefined clocks when registering
  clk: qcom: Add video clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Video clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings
  clk: qcom: Add graphics clock controller driver for SC7180
  dt-bindings: clock: Introduce SC7180 QCOM Graphics clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings
  clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent
  clk: qcom: Add display clock controller driver for SC7180
  dt-bindings: clock: Introduce QCOM sc7180 display clock bindings
  dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings
  clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration
  clk: qcom: alpha-pll: Remove useless read from set rate
  ...

* clk-freescale:
  clk: fsl-sai: new driver
  dt-bindings: clock: document the fsl-sai driver
  clk: composite: add _register_composite_pdata() variants

* clk-qoriq:
  clk: qoriq: add ls1088a hwaccel clocks support
  clk: ls1028a: Add clock driver for Display output interface
  dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
2020-01-31 13:14:26 -08:00
Tony Lindgren
723a567f43 ARM: dts: Add missing omap5 secure clocks
The secure clocks on omap5 are similar to what we already have for dra7
with dra7_l4sec_clkctrl_regs and documented in the omap5432 TRM in
"Table 3-1044. CORE_CM_CORE Registers Mapping Summary".

The secure clocks are part of the l4per clock manager. As the l4per
clock manager has now two clock domains as children, let's also update
the l4per clockdomain node name to follow the "clock" node naming with
a domain specific compatible property.

Compared to omap4, omap5 has more clocks working in hardare autogating
mode.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-01-23 08:22:57 -08:00
Tony Lindgren
cfcbc2dbb7 ARM: dts: Add missing omap4 secure clocks
The secure clocks on omap4 are similar to what we already have for dra7
in dra7_l4sec_clkctrl_regs and documented in the omap4460 TRM "Table
3-1346 L4PER_CM2 Registers Mapping Summary".

The secure clocks are part of the l4_per clock manager. As the l4_per
clock manager has now two clock domains as children, let's also update
the l4_per clockdomain node name to follow the "clock" node naming with
a domain specific compatible property.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-01-23 08:20:17 -08:00
Tony Lindgren
6c30905205 clk: ti: clkctrl: Fix hidden dependency to node name
We currently have a hidden dependency to the device tree node name for
the clkctrl clocks. Instead of using standard node name like "clock", we
must use "l4-per-clkctrl" type naming so the clock driver can find the
associated clock domain. Further, if "clk" is specified for a clock node
name, the driver sets TI_CLK_CLKCTRL_COMPAT flag that uses different
logic for the clock name based on the parent node name for the all the
clkctrl clocks for the SoC.

If the clock node naming dependency is not understood, the related
clockdomain is not found, or a wrong one can get used if a clock manager
has multiple clock domains.

As each clkctrl instance represents a single clock domain, let's allow
using domain specific compatible names to specify the clock domain.

This simplifies things and removes the hidden dependency to the node
name. And then later on, after the node names have been standardized,
we can drop the related code for parsing the node names.

Let's also update the binding to use standard "clock" node naming
instead of "clk" and add the missing description for reg.

Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 12:29:27 +02:00
Tony Lindgren
957ad44ff5 clk: ti: add clkctrl data dra7 sgx
This is similar to what we have for omap5 except the gpu_cm address is
different, the mux clocks have one more source option, and there's no
divider clock.

Note that because of the current dts node name dependency for mapping to
clock domain, we must still use "gpu-clkctrl@" naming instead of generic
"clock@" naming for the node. And because of this, it's probably best to
apply the dts node addition together along with the other clock changes.

For accessing the GPU, we also need to configure the interconnect target
module for GPU similar to what we have for omap5, I'll send that change
separately.

Cc: Benoit Parrot <bparrot@ti.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Robert Nelson <robertcnelson@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:43:44 +02:00
Tony Lindgren
364975eeb4 clk: ti: omap5: Add missing AESS clock
Looks like we're missing AESS clock for omap5. This is similar to what
omap4 has.

Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:42:48 +02:00
Grygorii Strashko
69e3002837 clk: ti: dra7: fix parent for gmac_clkctrl
The parent clk for gmac clk ctrl has to be gmac_main_clk (125MHz) instead
of dpll_gmac_ck (1GHz). This is caused incorrect CPSW MDIO operation.
Hence, fix it.

Fixes: dffa9051d5 ('clk: ti: dra7: add new clkctrl data')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:41:28 +02:00
Benoit Parrot
7dfd5e619d clk: ti: dra7: add vpe clkctrl data
Add clkctrl data for VPE.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:39:52 +02:00
Benoit Parrot
7054c14f05 clk: ti: dra7: add cam clkctrl data
Add clkctrl data for CAM domain.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2020-01-20 09:36:50 +02:00
Peter Ujfalusi
ad931a2d56 clk: ti: dra7-atl: Remove pm_runtime_irq_safe()
This is not needed for anything, and prevents proper PM transitions for
parent devices which is bad in case of ti-sysc; this effectively kills
PM completely. Thus, remove the flag.

Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lkml.kernel.org/r/20191114101718.20619-1-peter.ujfalusi@ti.com
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-05 19:04:19 -08:00
Jerome Brunet
89d079dc17 clk: let init callback return an error code
If the init callback is allowed to request resources, it needs a return
value to report the outcome of such a request.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lkml.kernel.org/r/20190924123954.31561-3-jbrunet@baylibre.com
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-12-23 18:53:13 -08:00
Linus Torvalds
ddebe839c6 This merge window we have one small clk provider API in the core framework and
then a bunch of driver updates and a handful of new drivers. In terms of
 diffstat the Qualcomm and Amlogic drivers are high up there because of all the
 clk data introcued by new drivers. The Nvidia Tegra driver had a lot of work
 done this cycle too to support suspend/resume and memory controllers. And the
 OMAP clk driver got proper clk and reset handling in place.
 
 Rounding out the patches are various updates to remove unused data, mark things
 static, correct incorrect data in drivers, etc. All the little things that
 improve drivers and maintain code health. I will point out that there's a patch
 in here for the GPIO clk driver, that almost nobody uses, which changes
 behavior and causes clk_set_rate() to try to change the GPIO gate clk's parent.
 Other than that things are fairly well SoC specific here.
 
 Core:
  - Add a clk provider API to get current parent index
  - Plug a memory leak in clk_unregister() path
 
 New Drivers:
  - CGU in Ingenix X1000
  - Bitmain BM1880 clks
  - Qualcomm MSM8998 GPU clk controllers
  - Qualcomm SC7180 GCC and RPMH clk controllers
  - Qualcomm QCS404 Q6SSTOP clk controllers
  - Add support for the Renesas R-Car M3-W+ (r8a77961) SoC
  - Add support for the Renesas RZ/G2N (r8a774b1) SoC
  - Add Tegra20/30 External Memory Clock (EMC) support
 
 Updates:
  - Make gpio gate clks propagate rate setting up to parent
  - Prepare Armada 3700 for suspend to RAM by moving PCIe suspend/resume priority
  - Drop unused variables, enums, etc. in various clk drivers
  - Convert various drivers to use devm_platform_ioremap_resource()
  - Use struct_size() some more in various clk drivers
  - Improve Rockchip px30 clk tree
  - Add suspend/resume support to Tegra210 clk driver
  - Reimplement SOR clks on earlier Tegra SoCs, helping HDMI and DP
  - Allwinner DT exports and H6 clk tree fixes
  - Proper clk and reset handling for OMAP SoCs
  - Revamped TI divider clk to clamp max divider
  - Make 1443X/1416X PLL clock structure common for reusing among i.MX8 SoCs
  - Drop IMX7ULP_CLK_MIPI_PLL clock, it shouldn't be used
  - Add VIDEO2_PLL clock for imx8mq
  - Add missing gate clock for pll1/2 fixed dividers on i.MX8 SoCs
  - Add sm1 support in the Amlogic audio clock controller
  - Switch some clocks on R-Car Gen2/3 to .determine_rate()
  - Remove Renesas R-Car Gen2 legacy DT clock support
  - Improve arithmetic divisions on Renesas R-Car Gen2 and Gen3
  - Improve Renesas R-Car Gen3 SD clock handling
  - Add rate table for Samsung exynos542x GPU and VPLL clks
  - Fix potential CPU performance degradation after system suspend/resume cycle
    on exynos542x SoCs
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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 merge window we have one small clk provider API in the core
  framework and then a bunch of driver updates and a handful of new
  drivers. In terms of diffstat the Qualcomm and Amlogic drivers are
  high up there because of all the clk data introcued by new drivers.
  The Nvidia Tegra driver had a lot of work done this cycle too to
  support suspend/resume and memory controllers. And the OMAP clk driver
  got proper clk and reset handling in place.

  Rounding out the patches are various updates to remove unused data,
  mark things static, correct incorrect data in drivers, etc. All the
  little things that improve drivers and maintain code health. I will
  point out that there's a patch in here for the GPIO clk driver, that
  almost nobody uses, which changes behavior and causes clk_set_rate()
  to try to change the GPIO gate clk's parent. Other than that things
  are fairly well SoC specific here.

  Core:
   - Add a clk provider API to get current parent index
   - Plug a memory leak in clk_unregister() path

  New Drivers:
   - CGU in Ingenix X1000
   - Bitmain BM1880 clks
   - Qualcomm MSM8998 GPU clk controllers
   - Qualcomm SC7180 GCC and RPMH clk controllers
   - Qualcomm QCS404 Q6SSTOP clk controllers
   - Add support for the Renesas R-Car M3-W+ (r8a77961) SoC
   - Add support for the Renesas RZ/G2N (r8a774b1) SoC
   - Add Tegra20/30 External Memory Clock (EMC) support

  Updates:
   - Make gpio gate clks propagate rate setting up to parent
   - Prepare Armada 3700 for suspend to RAM by moving PCIe
     suspend/resume priority
   - Drop unused variables, enums, etc. in various clk drivers
   - Convert various drivers to use devm_platform_ioremap_resource()
   - Use struct_size() some more in various clk drivers
   - Improve Rockchip px30 clk tree
   - Add suspend/resume support to Tegra210 clk driver
   - Reimplement SOR clks on earlier Tegra SoCs, helping HDMI and DP
   - Allwinner DT exports and H6 clk tree fixes
   - Proper clk and reset handling for OMAP SoCs
   - Revamped TI divider clk to clamp max divider
   - Make 1443X/1416X PLL clock structure common for reusing among i.MX8
     SoCs
   - Drop IMX7ULP_CLK_MIPI_PLL clock, it shouldn't be used
   - Add VIDEO2_PLL clock for imx8mq
   - Add missing gate clock for pll1/2 fixed dividers on i.MX8 SoCs
   - Add sm1 support in the Amlogic audio clock controller
   - Switch some clocks on R-Car Gen2/3 to .determine_rate()
   - Remove Renesas R-Car Gen2 legacy DT clock support
   - Improve arithmetic divisions on Renesas R-Car Gen2 and Gen3
   - Improve Renesas R-Car Gen3 SD clock handling
   - Add rate table for Samsung exynos542x GPU and VPLL clks
   - Fix potential CPU performance degradation after system
     suspend/resume cycle on exynos542x SoCs"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (160 commits)
  clk: aspeed: Add RMII RCLK gates for both AST2500 MACs
  MAINTAINERS: Add entry for BM1880 SoC clock driver
  clk: Add common clock driver for BM1880 SoC
  dt-bindings: clock: Add devicetree binding for BM1880 SoC
  clk: Add clk_hw_unregister_composite helper function definition
  clk: Zero init clk_init_data in helpers
  clk: ingenic: Allow drivers to be built with COMPILE_TEST
  MAINTAINERS: Update section for Ux500 clock drivers
  clk: mark clk_disable_unused() as __init
  clk: Fix memory leak in clk_unregister()
  clk: Ingenic: Add CGU driver for X1000.
  dt-bindings: clock: Add X1000 bindings.
  clk: tegra: Use match_string() helper to simplify the code
  clk: pxa: fix one of the pxa RTC clocks
  clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()
  clk: armada-xp: remove unused code
  clk: tegra: Fix build error without CONFIG_PM_SLEEP
  clk: tegra: Add missing stubs for the case of !CONFIG_PM_SLEEP
  clk: tegra: Optimize PLLX restore on Tegra20/30
  clk: tegra: Add suspend and resume support on Tegra210
  ...
2019-12-01 16:06:02 -08:00
Stephen Kitt
7f6ac72946 clk/ti/adpll: allocate room for terminating null
The buffer allocated in ti_adpll_clk_get_name doesn't account for the
terminating null. This patch switches to devm_kasprintf to avoid
overflowing.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lkml.kernel.org/r/20191019140634.15596-1-steve@sk2.org
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-11-08 09:00:37 -08:00
Linus Torvalds
d988f8877b Fixes for various clk driver issues that happened because of code we
merged this merge window. The Amlogic driver was missing some flags
 causing rates to be rounded improperly or clk_set_rate() to fail. The
 Samsung driver wasn't freeing everything on error paths and improperly
 saving/restoring PLL state across suspend/resume. The at91 driver was
 calling msleep() too early when scheduling hadn't started, so we put in
 place a quick solution until we can handle this sort of problem in the
 core framework. There were also problems with the Allwinner driver and
 operator precedence being incorrect causing subtle bugs. Finally, the TI
 driver was duplicating aliases and not delaying long enough leading to
 some unexpected timeouts.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "Fixes for various clk driver issues that happened because of code we
  merged this merge window.

  The Amlogic driver was missing some flags causing rates to be rounded
  improperly or clk_set_rate() to fail. The Samsung driver wasn't
  freeing everything on error paths and improperly saving/restoring PLL
  state across suspend/resume. The at91 driver was calling msleep() too
  early when scheduling hadn't started, so we put in place a quick
  solution until we can handle this sort of problem in the core
  framework.

  There were also problems with the Allwinner driver and operator
  precedence being incorrect causing subtle bugs. Finally, the TI driver
  was duplicating aliases and not delaying long enough leading to some
  unexpected timeouts"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: ti: clkctrl: Fix failed to enable error with double udelay timeout
  clk: ti: dra7-atl-clock: Remove ti_clk_add_alias call
  clk: sunxi-ng: a80: fix the zero'ing of bits 16 and 18
  clk: sunxi: Fix operator precedence in sunxi_divs_clk_setup
  clk: ast2600: Fix enabling of clocks
  clk: at91: avoid sleeping early
  clk: imx8m: Use SYS_PLL1_800M as intermediate parent of CLK_ARM
  clk: samsung: exynos5420: Preserve PLL configuration during suspend/resume
  clk: samsung: exynos542x: Move G3D subsystem clocks to its sub-CMU
  clk: samsung: exynos5433: Fix error paths
  clk: at91: sam9x60: fix programmable clock
  clk: meson: g12a: set CLK_MUX_ROUND_CLOSEST on the cpu clock muxes
  clk: meson: g12a: fix cpu clock rate setting
  clk: meson: gxbb: let sar_adc_clk_div set the parent clock rate
2019-11-08 08:15:01 -08:00