- 16 Sep, 2016 8 commits
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Chen-Yu Tsai authored
The register offset for the mipi-csi clk is off by 4, a copy paste error from the mipi-dsi clk. Fixes: c6e6c96d ("clk: sunxi-ng: Add A31/A31s clocks") Signed-off-by:
Chen-Yu Tsai <wens@csie.org> Acked-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
Stephen Boyd <sboyd@codeaurora.org>
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Chen-Yu Tsai authored
The PLLs have a "lock" bit in their configuration registers which indicate if the PLL has locked on to the requested clock rate. We check this bit in the .set_rate op. The PLL cannot lock on if it's not running, which might be a false positive (warning). Set the CLK_SET_RATE_UNGATE flag for all PLLs so whenever clk_set_rate is called on them, they get enabled and the "lock" check is really checking the PLL. Fixes: c6e6c96d ("clk: sunxi-ng: Add A31/A31s clocks") Signed-off-by:
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Chen-Yu Tsai authored
The LCD controller and HDMI controller use the LCDx-CHy and HDMI clocks to generate their dot clocks. To be able to generate a full range of possible clock rates, the parent PLL clock rates should also be changed. Fixes: c6e6c96d ("clk: sunxi-ng: Add A31/A31s clocks") Signed-off-by:
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Gabriel Fernandez authored
This patch configures the semi-synchronous mode of the video clocks of clkgenD2. Signed-off-by:
Olivier Bideau <olivier.bideau@st.com> Signed-off-by:
Gabriel Fernandez <gabriel.fernandez@st.com> Acked-by:
Peter Griffin <peter.griffin@linaro.org> Signed-off-by:
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Gabriel Fernandez authored
This patch allows fine tuning of the quads FS for audio clocks accuracy. Signed-off-by:
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Gabriel Fernandez authored
Use an algorithm instead of a table to compute clocks for fs660c32 synthesizer. During a video playback we need to adjust audio & video frequencies. A table can't cover all HDMI resolutions and audio adjustment. Signed-off-by:
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Gabriel Fernandez authored
This patch reworks the clock binding to avoid too much detail in DT. Now we have only compatible string per type of clock (remark from Rob https://lkml.org/lkml/2016/5/25/492) Signed-off-by:
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Gabriel Fernandez authored
STiH415 and STiH416 platforms are no longer used. these platforms will be deprecated for the next kernel. Signed-off-by:
Rob Herring <robh@kernel.org> Acked-by:
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- 15 Sep, 2016 3 commits
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Stephen Boyd authored
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:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Tested-by:
Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by:
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Stephen Boyd authored
Now that we have clk_hw based provider APIs to register clks, we can get rid of struct clk pointers while registering clks in these drivers, allowing us to move closer to a clear split of consumer and provider clk APIs. Cc: Eric Anholt <eric@anholt.net> Cc: Martin Sperl <kernel@martin.sperl.org> Signed-off-by: -
Jon Mason authored
Make the clocks visible options that can be selected by anyone. This avoids the problems of: 1) Select is a reverse dependency and is hard for people to understand and can sometimes be a pain to track down 2) Build coverage goes down because configs are hidden 3) Code bloat Patch suggested by Stephen Boyd Signed-off-by:Jon Mason <jonmason@broadcom.com> Signed-off-by:
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- 14 Sep, 2016 16 commits
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Hoan Tran authored
Add X-Gene PMD clock support. PMD clock is implemented for a single register field. Output rate = parent_rate * (denominator - scale) / denominator with - denominator = bitmask of register field + 1 - scale = values of register field For example, for bitmask is 0x7, denominator will be 8 and scale will be computed and programmed accordingly. Signed-off-by:
Hoan Tran <hotran@apm.com> Signed-off-by:
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Hoan Tran authored
Add APM X-Gene clock binding documentation for PMD clock. Signed-off-by:
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Stephen Boyd authored
* clk-zte: clk: zx: register ZX296718 clocks clk: zx: reform pll config info to ease code extension
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Jun Nie authored
The ZX296718 clocks are statically listed and registered. More clock will be added later. Signed-off-by:
Jun Nie <jun.nie@linaro.org> Signed-off-by:
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Jun Nie authored
Add power down bit and pll lock bit in pll config structure to ease new SoC support. Signed-off-by:
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Jun Nie authored
The ZX296718 clocks are statically listed and registered. More clock will be added later. Signed-off-by:
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Jun Nie authored
Add power down bit and pll lock bit in pll config structure to ease new SoC support. Signed-off-by:
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Markus Elfring authored
A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by:
Markus Elfring <elfring@users.sourceforge.net> Reviewed-by:
Alex Elder <elder@linaro.org> [sboyd@codeaurora.org: Save a line] Signed-off-by:
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Uwe Kleine-König authored
This helps to decode error messages like: [ 0.000000] i.MX clk 82: register failed with -17 Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
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Uwe Kleine-König authored
This fixes [ 0.000000] i.MX clk 82: register failed with -17 because the name is duplicated. Signed-off-by:
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Arnd Bergmann authored
The addition of many gate clocks added two entries in an array for the same value: drivers/clk/meson/meson8b.c:479:10: error: initialized field overwritten [-Werror=override-init] [CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw, [CLKID_GCLK_VENCI_INT] = &meson8b_gclk_vencp_int.hw, This was clearly an accident, and since all other identifiers are listed in the order in which they are defined, I'm changing the first one to CLKID_GCLK_VENCI_INT0, making it all consistent again. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: e31a1900 ("meson: clk: Add support for clock gates") Signed-off-by:
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Baoyou Xie authored
We get 1 warning when building kernel with W=1: drivers/clk/mmp/clk-mmp2.c:75:13: warning: no previous prototype for 'mmp2_clk_init' [-Wmissing-prototypes] In fact, this function is declared in linux/clk/mmp.h, so this patch add missing header dependencies. Signed-off-by:
Baoyou Xie <baoyou.xie@linaro.org> Acked-by:
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Stephen Boyd authored
Merge tag 'clk-renesas-for-v4.9-tag3' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next Pull renesas clk driver updates from Geert Uytterhoeven: - External crystal selection for RZ/A1, - CMT clocks for R-Car H3 and M3-W, - RAVB and Thermal clocks for R-Car M3-W. * tag 'clk-renesas-for-v4.9-tag3' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers: clk: renesas: r8a7796: Add CMT clocks clk: renesas: r8a7795: Add CMT clocks clk: renesas: r8a7796: Add RAVB clock clk: renesas: r8a7796: Add THS/TSC clock clk: renesas: rz: Select EXTAL vs USB clock
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Wei Yongjun authored
Use the builtin_platform_driver() macro to make the code simpler. Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by:
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Stephen Boyd authored
Merge tag 'sunxi-clk-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next Pull Allwinner clock driver changes from Maxime Ripard: Four more SoCs converted to the new clock framework (A31, A31s, A23 and A33). * tag 'sunxi-clk-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: clk: sunxi-ng: Add hardware dependency clk: sunxi-ng: Add A23 CCU clk: sunxi-ng: Add A33 CCU support clk: sunxi-ng: Add N-class clocks support clk: sunxi-ng: mux: Add mux table macro clk: sunxi-ng: div: Allow to set a maximum clk: sunxi-ng: div: Add kerneldoc for the _ccu_div structure clk: sunxi-ng: div: Add mux table macros clk: sunxi-ng: Add A31/A31s clocks clk: sunxi-ng: mux: Add clk notifier functions clk: sunxi-ng: mux: support fixed pre-dividers on multiple parents clk: sunxi-ng: mux: Add support for mux tables clk: sunxi-ng: mux: Rename mux macro to be consistent clk: sunxi-ng: nkm: Add mux to support multiple parents clk: sunxi-ng: mux: Increase fixed pre-divider div size
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git://linuxtv.org/snawrocki/samsungStephen Boyd authored
Pull samsung clk driver updates from Sylwester Nawrocki: In addition to a few clean up and code consolidation patches this includes: - addition of sound subsystem related clocks for Exynos5410 SoC (EPLL, PDMA) and support for "samsung,exynos5410-audss-clock" compatible in the clk-exynos-audss driver, - addition of DRAM controller related clocks for exynos5420, - MAINTAINERS update adding Chanwoo Choi as the Samsung SoC clock drivers co-maintainer. * tag 'clk-v4.9-samsung' of git://linuxtv.org/snawrocki/samsung: clk: samsung: Add support for EPLL on exynos5410 clk: samsung: clk-exynos-audss: Whitespace and debug trace cleanup clk: samsung: clk-exynos-audss: Add exynos5410 compatible clk: samsung: clk-exynos-audss: controller variant handling rework clk: samsung: Use common registration function for pll2550x clk: samsung: exynos5410: Expose the peripheral DMA gate clocks clk: samsung: exynos5420: Add clocks for CMU_CDREX domain clk: samsung: exynos5410: Use samsung_cmu_register_one() to simplify code clk: samsung: exynos5260: Move struct samsung_cmu_info to init section MAINTAINERS: Add myself as Samsung SoC clock drivers co-maintainer clk: samsung: exynos5410: Add clock IDs for PDMA and EPLL clocks clk: samsung: Add clock IDs for the CMU_CDREX (DRAM Express Controller)
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- 12 Sep, 2016 3 commits
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Bui Duc Phuc authored
This patch adds CMT module clocks for r8a7796 SoC. Signed-off-by:
Bui Duc Phuc <bd-phuc@jinso.co.jp> Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be>
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Bui Duc Phuc authored
This patch adds CMT module clocks for r8a7795 SoC. Signed-off-by:
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Laurent Pinchart authored
Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by:
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- 10 Sep, 2016 8 commits
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Jean Delvare authored
The sunxi-ng clock driver is useless for other architectures. Signed-off-by:
Jean Delvare <jdelvare@suse.de> Acked-by:
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Maxime Ripard authored
Add support for the clock unit found in the A23. Due to the similarities with the A33, it also shares its clock IDs to allow sharing the DTSI. Signed-off-by:
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Maxime Ripard authored
This commit introduces the clocks found in the Allwinner A33 CCU. Since this SoC is very similar to the A23, and we share a significant share of the DTSI, the clock IDs that are going to be used will also be shared with the A23, hence the name of the various header files. Signed-off-by:
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Maxime Ripard authored
Add support for the class with a single factor, N, being a multiplier. Signed-off-by:
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Maxime Ripard authored
Add a new macro to declare muxes based on a table and a gate. Signed-off-by:
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Maxime Ripard authored
Some dividers might have a maximum value that is lower than the width of the register. Add a field to _ccu_div to handle those case properly. If the field is set to 0, the code will assume that the maximum value is the maximum one that can be used with the field register width. Otherwise, we'll use whatever value has been set. Signed-off-by:
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Maxime Ripard authored
The internal _ccu_div structure is meant to be embedded into other structures to combine the various dividers and to form the clock classes support. Start to document those structures by using kerneldoc. Signed-off-by: -
Maxime Ripard authored
Add some macros to ease the declaration of clocks that are using them. Signed-off-by:
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- 09 Sep, 2016 2 commits
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Tomeu Vizoso authored
Right now we are passing a pointer to a pointer to the structure that will be used to fetch the clk hw, which gets casted later to a pointer to the structure, thus getting garbage in the hw structs. Signed-off-by:
Tomeu Vizoso <tomeu.vizoso@collabora.com> Fixes: a8b6e85d ("clk: rk808: Migrate to clk_hw based OF and registration APIs") Signed-off-by:
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Sylwester Nawrocki authored
This patch adds code instantiating the EPLL, which is used as the audio subsystem's root clock. The requirement to specify the external root clock in clocks property is documented. Having the consumer 'clocks' property ensures proper initialization order by explicitly specifying dependencies in DT. It prevents situations when the SoC's clock controller driver has initialized, the external oscillator clock is not yet registered and setting clock frequencies through assigned-clock-rates property doesn't work properly due to unknown external oscillator frequency. Signed-off-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by:
Chanwoo Choi <cw00.choi@samsung.com>
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