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path: root/drivers/clk/clk-highbank.c
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2019-05-07Merge branches 'clk-doc', 'clk-more-critical', 'clk-meson' and ↵Stephen Boyd1-13/+10
'clk-basic-be' into clk-next - Remove clk_readl() and introduce BE versions of basic clk types * clk-doc: clk: Drop duplicate clk_register() documentation clk: Document and simplify clk_core_get_rate_nolock() clk: Remove 'flags' member of struct clk_fixed_rate clk: nxp: Drop 'flags' on fixed_rate clk macro clk: Document __clk_mux_determine_rate() clk: Document CLK_MUX_READ_ONLY mux flag clk: Document deprecated things clk: Collapse gpio clk kerneldoc * clk-more-critical: clk: highbank: Convert to CLK_IS_CRITICAL * clk-meson: (21 commits) clk: meson: axg-audio: add g12a support clk: meson: axg-audio: don't register inputs in the onecell data clk: meson: axg_audio: replace prefix axg by aud dt-bindings: clk: axg-audio: add g12a support clk: meson: meson8b: add the video decoder clock trees clk: meson: meson8b: add the VPU clock trees clk: meson: meson8b: add support for the GP_PLL clock on Meson8m2 clk: meson: meson8b: use a separate clock table for Meson8m2 dt-bindings: clock: meson8b: export the video decoder clocks clk: meson-g12a: add video decoder clocks dt-bindings: clock: meson8b: export the VPU clock clk: meson-g12a: add PCIE PLL clocks dt-bindings: clock: g12a-aoclk: expose CLKID_AO_CTS_OSCIN clk: meson-pll: add reduced specific clk_ops for G12A PCIe PLL dt-bindings: clock: meson8b: drop the "ABP" clock definition clk: meson: g12a: add cpu clocks dt-bindings: clk: g12a-clkc: add VDEC clock IDs dt-bindings: clock: axg-audio: unexpose controller inputs dt-bindings: clk: g12a-clkc: add PCIE PLL clock ID clk: g12a-aoclk: re-export CLKID_AO_SAR_ADC_SEL clock id ... * clk-basic-be: clk: core: replace clk_{readl,writel} with {readl,writel} clk: core: remove powerpc special handling powerpc/512x: mark clocks as big endian clk: mux: add explicit big endian support clk: multiplier: add explicit big endian support clk: gate: add explicit big endian support clk: fractional-divider: add explicit big endian support clk: divider: add explicit big endian support
2019-03-06clk: highbank: Convert to CLK_IS_CRITICALStephen Boyd1-13/+10
This code is hand-rolling the CLK_IS_CRITICAL flag to keep a clk on once it's registered. Just mark it as CLK_IS_CRITICAL instead so that the framework can handle keeping the clk prepared and enabled for all eternity. Cc: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-12-28clk: highbank: fix refcount leak in hb_clk_init()Yangtao Li1-0/+1
The of_find_compatible_node() returns a node pointer with refcount incremented, but there is the lack of use of the of_node_put() when done. Add the missing of_node_put() to release the refcount. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Fixes: 26cae166cff9 ("ARM: highbank: remove custom .init_time hook") Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2016-06-30clk: highbank: Migrate to clk_hw based registration and OF APIsStephen Boyd1-5/+4
Now that we have clk_hw based provider APIs to register clks, we can get rid of struct clk pointers in this driver, allowing us to move closer to a clear split of consumer and provider clk APIs. Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-20clk: highbank: Include clk.hStephen Boyd1-0/+1
This clock provider uses the consumer API, so include clk.h explicitly. Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2013-09-29ARM: highbank: remove custom .init_time hookSebastian Hesselbarth1-3/+7
With arch/arm calling of_clk_init(NULL) from time_init(), we can now remove custom .init_time hooks. Highbank clock provider need a reference to system registers, as a workaround current clk driver maps those independent of arch code now. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Mike Turquette <mturquette@linaro.org>
2013-02-20Merge tag 'pm+acpi-3.9-rc1' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management updates from Rafael Wysocki: - Rework of the ACPI namespace scanning code from Rafael J. Wysocki with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg, Toshi Kani, and Yinghai Lu. - ACPI power resources handling and ACPI device PM update from Rafael J Wysocki. - ACPICA update to version 20130117 from Bob Moore and Lv Zheng with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner. - Support for Intel Lynxpoint LPSS from Mika Westerberg. - cpuidle update from Len Brown including Intel Haswell support, C1 state for intel_idle, removal of global pm_idle. - cpuidle fixes and cleanups from Daniel Lezcano. - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with contributions from Stratos Karafotis and Rickard Andersson. - Intel P-states driver for Sandy Bridge processors from Dirk Brandewie. - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn. - cpufreq fixes related to ordering issues between acpi-cpufreq and powernow-k8 from Borislav Petkov and Matthew Garrett. - cpufreq support for Calxeda Highbank processors from Mark Langsdorf and Rob Herring. - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update from Shawn Guo. - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat, and Inderpal Singh. - Support for "lightweight suspend" from Zhang Rui. - Removal of the deprecated power trace API from Paul Gortmaker. - Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki Ishimatsu. * tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits) PM idle: remove global declaration of pm_idle unicore32 idle: delete stray pm_idle comment openrisc idle: delete pm_idle mn10300 idle: delete pm_idle microblaze idle: delete pm_idle m32r idle: delete pm_idle, and other dead idle code ia64 idle: delete pm_idle cris idle: delete idle and pm_idle ARM64 idle: delete pm_idle ARM idle: delete pm_idle blackfin idle: delete pm_idle sparc idle: rename pm_idle to sparc_idle sh idle: rename global pm_idle to static sh_idle x86 idle: rename global pm_idle to static x86_idle APM idle: register apm_cpu_idle via cpuidle cpufreq / intel_pstate: Add kernel command line option disable intel_pstate. cpufreq / intel_pstate: Change to disallow module build tools/power turbostat: display SMI count by default intel_idle: export both C1 and C1E ACPI / hotplug: Fix concurrency issues and memory leaks ...
2013-02-02clk / highbank: Prevent glitches in non-bypass reset modeMark Langsdorf1-0/+2
The highbank clock will glitch with the current code if the clock rate is reset without relocking the PLL. Program the PLL correctly to prevent glitches. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-24clk: highbank: Use common of_clk_init() functionPrashant Gaikwad1-14/+4
Use common of_clk_init() function for clocks initialization. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Tested-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-07-11clk: add highbank clock supportRob Herring1-0/+346
This adds real clock support to Calxeda Highbank SOC using the common clock infrastructure. Signed-off-by: Rob Herring <rob.herring@calxeda.com> [mturquette@linaro.org: fixed up invalid writes to const struct member] Signed-off-by: Mike Turquette <mturquette@linaro.org>