- 02 Feb, 2015 6 commits
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Tomeu Vizoso authored
Adds a way for clock consumers to set maximum and minimum rates. This can be used for thermal drivers to set minimum rates, or by misc. drivers to set maximum rates to assure a minimum performance level. Changes the signature of the determine_rate callback by adding the parameters min_rate and max_rate. Signed-off-by:
Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by:
Stephen Boyd <sboyd@codeaurora.org> [sboyd@codeaurora.org: set req_rate in __clk_init] Signed-off-by:
Michael Turquette <mturquette@linaro.org> [mturquette@linaro.org: min/max rate for sun6i_ahb1_clk_determine_rate migrated clk-private.h changes to clk.c]
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Michael Turquette authored
Private clock framework data structures should be private, surprisingly. Now that all platforms and drivers have been updated to remove static initializations of struct clk and struct clk_core objects and all references to clk-private.h have been removed we can move the definitions of these structures into drivers/clk/clk.c and delete the header. Additionally the ugly DEFINE_CLK macros have been removed. Those were used for static definitions of struct clk objects. That practice is no longer allowed. Finally __clk_init is staticized as it is no longer declared in any header. Reviewed-by:
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Michael Turquette authored
The X-Gene PCIe driver consumes clocks and does not provide them. Replace usage of clk-private.h with clk.h. Cc: Tanmay Inamdar <tinamdar@apm.com> Signed-off-by: -
Michael Turquette authored
Remove omap_clocks_register and dummy_ck. The former is not used anymore now that the statically defined clk stuctures are replaced with proper descriptors and registered with the framework. The dummy clock in arch/arm/mach-omap2 is made redundant by the OMAP3+ clock data that migrated to drivers/clk. An additional benefit to this clean-up is removing the references to clk-private.h which will be removed. Cc: Paul Walmsley <paul@pwsan.com> Cc: Tero Kristo <t-kristo@ti.com> Acked-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Michael Turquette authored
Conflicts: arch/arm/mach-omap2/cclock3xxx_data.c
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Tomeu Vizoso authored
Moves clock state to struct clk_core, but takes care to change as little API as possible. struct clk_hw still has a pointer to a struct clk, which is the implementation's per-user clk instance, for backwards compatibility. The struct clk that clk_get_parent() returns isn't owned by the caller, but by the clock implementation, so the former shouldn't call clk_put() on it. Because some boards in mach-omap2 still register clocks statically, their clock registration had to be updated to take into account that the clock information is stored in struct clk_core now. Signed-off-by:
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- 30 Jan, 2015 11 commits
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Tero Kristo authored
This is no longer used for anything, thus it can be removed. Signed-off-by:
Tero Kristo <t-kristo@ti.com> Acked-by:
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Tero Kristo authored
As the clock data is now available for the legacy boot also from the clock driver, use this rather than the data under the mach folder. This allows us to get rid of the old clock data completely. Signed-off-by:
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Tero Kristo authored
As the legacy clock data is being moved under clock driver, the clock data will be using the same low level infrastructure for register accesses. This requires the clk_memmaps to be initialized properly. This patch adds a support hook to the PRM driver to initialize the mappings. Signed-off-by:
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Tero Kristo authored
Introduces omap3 legacy clock data under clock driver. The clock data is also in new format, which makes it possible to get rid of the clk-private.h header. This patch also introduces SoC specific init functions that shall be called from the low level init. The data format used in this file has two possible evolution paths; it can either be removed completely once no longer needed, or it will be possible to retain the format and modify the TI clock driver to be a loadable module at some point. The actual path to be followed will be decided later. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialized slightly differently compared to DT clocks, thus add support for this. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialized slightly differently compared to DT clocks, thus add support for this. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialized slightly differently compared to DT clocks, thus add support for this. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialized slightly differently compared to DT clocks, thus add support for this. The interface clock descriptor itself is overloading the gate clock descriptor, thus it needs to be called from the gate setup. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialialized slightly differently compared to DT clocks, thus add support for this. Signed-off-by:
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Tero Kristo authored
Legacy clock data is initialized slightly differently compared to DT clocks, thus add support for this. Signed-off-by:
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Tero Kristo authored
Legacy clock data for OMAP3 is being moved under clock driver, thus base support for this is needed. This patch adds basic definitions for clock init descriptors and core infrastructure for initialization, which will be called from the OMAP3 clock init. Signed-off-by:
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- 28 Jan, 2015 13 commits
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Tomeu Vizoso authored
As it has never been used. Signed-off-by:
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Tomeu Vizoso authored
As clk_unprepare_unused_subtree and clk_disable_unused_subtree are always called with a valid struct clk. Signed-off-by:
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Emil Medve authored
Currently a mix of clk-qoriq/qoriq-clk and no prefix is used Signed-off-by:
Emil Medve <Emilian.Medve@Freescale.com> Signed-off-by:
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Emil Medve authored
Where the memset() is not necessary Signed-off-by:
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Emil Medve authored
drivers/clk/clk-qoriq.c:59:22: warning: symbol 'cmux_ops' was not declared. Should it be static? Signed-off-by:
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Emil Medve authored
WARNING:OOM_MESSAGE: Possible unnecessary 'out of memory' message + if (!parent_names) { + pr_err("%s: could not allocate parent_names\n", __func__); WARNING:OOM_MESSAGE: Possible unnecessary 'out of memory' message + if (!cmux_clk) { + pr_err("%s: could not allocate cmux_clk\n", __func__); WARNING:OOM_MESSAGE: Possible unnecessary 'out of memory' message + if (!subclks) { + pr_err("%s: could not allocate subclks\n", __func__); WARNING:OOM_MESSAGE: Possible unnecessary 'out of memory' message + if (!onecell_data) { + pr_err("%s: could not allocate onecell_data\n", __func__); Signed-off-by: -
Emil Medve authored
CHECK:ALLOC_SIZEOF_STRUCT: Prefer kzalloc(sizeof(*cmux_clk)...) over kzalloc(sizeof(struct cmux_clk)...) + cmux_clk = kzalloc(sizeof(struct cmux_clk), GFP_KERNEL); CHECK:ALLOC_SIZEOF_STRUCT: Prefer kzalloc(sizeof(*onecell_data)...) over kzalloc(sizeof(struct clk_onecell_data)...) + onecell_data = kzalloc(sizeof(struct clk_onecell_data), GFP_KERNEL); Signed-off-by:
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Emil Medve authored
WARNING:ALLOC_WITH_MULTIPLY: Prefer kcalloc over kzalloc with multiply + subclks = kzalloc(sizeof(struct clk *) * count, GFP_KERNEL); Signed-off-by:
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Emil Medve authored
CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis + rc = of_property_read_string_index(np, "clock-output-names", + 0, &clk_name); CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis + pr_err("Could not register clock provider for node:%s\n", + np->name); CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis + rc = of_property_read_string_index(np, "clock-output-names", + i, &clk_name); CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis + pr_err("Could not register clk provider for node:%s\n", + np->name); Signed-off-by: -
Robert Jarzmik authored
Move pxa25x clock drivers from arch/arm/mach-pxa to driver/clk. In the move : - convert to new clock framework legacy clocks - provide clocks as before for platform data based boards - provide clocks through devicetree with clk-pxa-dt Signed-off-by:
Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by:
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Soren Brinkmann authored
The CPU_2X clock does not have a classical in-kernel user, but is, amongst other things, required for OCM and debug access. Make sure this clock is not mistakenly disabled during boot up by enabling it in the platform's clock driver. Cc: stable@vger.kernel.org # 3.11+ Fixes: 0ee52b15 'clk: zynq: Add clock controller driver' Signed-off-by:
Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by:
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Michael Turquette authored
Merge tag 'sunxi-clocks-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next Allwinner clock changes for 3.20 The set of clock changes for the 3.20 merge window, with mostly: - Some PLL fixes for the A80 and A31 - The MMC custom phase functions are removed, and moved over to the generic phase API. - Add the A80 MMC clocks Some DT changes slipped here as well, to preserve bisectability.
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Michael Turquette authored
Merge tag 'v3.20-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next The two big changes are the additional of the watchdog clock, which we currently only "fake" as the clock gate control is living in a very strange place, but the watchdog driver needs to read the clock rate from it and the setting of rk3288 plls to slow mode upon suspend. Other than that some more exported clocks and a CLK_SET_RATE_PARENT flag for the uart clocks.
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- 27 Jan, 2015 10 commits
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Stephen Boyd authored
These modules don't need to include clk-private.h. Replace the include with clk.h because these modules are clock consumers and also include clk-provider.h in clk/ti.h because struct clk_hw_omap has a struct clk_hw embedded in it. Cc: Tero Kristo <t-kristo@ti.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by:
Paul Walmsley <paul@pwsan.com> Signed-off-by:
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Stephen Boyd authored
These drivers don't need to include clk-private.h. Remove the include. Signed-off-by:
Ulf Hansson <ulf.hansson@linaro.org> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Maxime Ripard authored
The phase setter and getter were not exported until now, which was causing build breakages when callers were compiled as module. Export these two functions. Reported-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by:
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Rajendra Nayak authored
Document the LPASS (low power audio subsystem) clock controller found on Qualcomm devices. Cc: <devicetree@vger.kernel.org> Signed-off-by:
Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by:
Kumar Gala <galak@codeaurora.org> Signed-off-by:
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Stephen Boyd authored
Add an LCC driver for MSM8960/APQ8064 that supports the i2s, slimbus, and pcm clocks. Signed-off-by:
Kenneth Westfield <kwestfie@codeaurora.org> Signed-off-by:
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Rajendra Nayak authored
Add an LCC driver for IPQ806x that supports the i2s, S/PDIF, and pcm clocks. Signed-off-by:
Josh Cartwright <joshc@codeaurora.org> [sboyd@codeaurora.org: Reworded commit text, added Kconfig select, fleshed out Kconfig description a bit more, added pll4 configuration and reworked probe for it, added muxes, split out dt-binding file] Signed-off-by:
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Rajendra Nayak authored
Add defines to make more human readable numbers for the lpass clock controller found on IPQ806x SoCs. Also remove the PLL4 define in gcc to avoid #define conflicts because that clock doesn't exist in gcc, instead it lives in lcc. Signed-off-by:
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Stephen Boyd authored
Add support for muxes that use regmap instead of readl/writel directly. We don't support as many features as clk-mux.c, but this is good enough to support getting and setting parents. Adding a table based lookup can be added in the future if needed. Signed-off-by:
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Josh Cartwright authored
Add support for dividers that use regmap instead of readl/writel. Signed-off-by:
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Stephen Boyd authored
Some devices don't use mmio to interact with dividers. Split out the logic from the register read/write parts so that we can reuse the division logic elsewhere. Signed-off-by:
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