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2016-03-02clk: nxp: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Acked-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: mxs: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Acked-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: imx: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Acked-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: mediatek: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Acked-by: James Liao <jamesjj.liao@mediatek.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: hisilicon: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Tested-by: Leo Yan <leo.yan@linaro.org> Cc: Bintian Wang <bintian.wang@huawei.com> Cc: Zhangfei Gao <zhangfei.gao@linaro.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: at91: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02clk: bcm: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now. Remove usage of the flag. Cc: Lee Jones <lee@kernel.org> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-02Merge tag 'imx-clk-4.6' of ↵Stephen Boyd
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-next Pull i.MX clk updates from Shawn Guo: The i.MX clock update for 4.6: - Add the clock driver support for the latest i.MX6 family SoCs addition - i.MX6QP. - Clean up the whitespace in i.MX6UL clock driver and add the missing KPP clock. - Correct pwm7 clock name in i.MX6UL clock driver. * tag 'imx-clk-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: clk: imx: add kpp clock for i.MX6UL clk: imx: whitespace cleanup; no functional change clk: imx: correct pwm7 clock name in driver for i.MX6UL clk: imx: Add clock support for imx6qp
2016-03-02Merge tag 'sunxi-clocks-for-4.6' of ↵Stephen Boyd
https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next Pull Allwinner clk updates from Maxime Ripard: Allwinner clocks additions for 4.6 A bunch of things, mostly: - Finally switched everything over to OF_CLK_DECLARE, which should remove orphans clocks entirely - Reworked the clk-factors to be able to add new parameters - Improved the error reporting - A bunch of new clocks for new SoCs. * tag 'sunxi-clocks-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (25 commits) clk: sunxi: Add apb0 gates for H3 clk: sunxi: Improve divs_clk error handling and reporting clk: sunxi: improve divider_clk error handling and reporting clk: sunxi: improve mux_clk error handling and reporting clk: sunxi: Fix sun8i-a23-apb0-clk divider flags clk: sunxi: Remove clk_register_clkdev calls clk: sunxi: Remove old probe and protection code clk: sunxi: convert current clocks registration to CLK_OF_DECLARE clk: sunxi: Make clocks setup functions take const pointer clk: sunxi: Make clocks setup functions return their clock clk: sunxi: improve error reporting for the mux clock clk: sunxi: don't mark sun6i_ar100_data __initconst clk: sunxi: add bus gates for A83T clk: sunxi: Add apb0 gates for A83T clk: sunxi: rewrite sun8i-a23-mbus-clk using the simpler composite clk clk: sunxi: rewrite sun6i-ar100 using factors clk clk: sunxi: rewrite sun6i-a31-ahb1-clk using factors clk with custom recalc clk: sunxi: factors: Drop round_rate from clk ops clk: sunxi: factors: Support custom formulas clk: sunxi: factors: Consolidate get_factors parameters into a struct ...
2016-03-02clk: qcom: msm8960: Fix ce3_src register offsetStephen Boyd
The offset seems to have been copied from the sata clk. Fix it so that enabling the crypto engine source clk works. Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Fixes: 5f775498bdc4 ("clk: qcom: Fully support apq8064 global clock control") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-01Merge branch 'clk-ti' into clk-nextMichael Turquette
Conflicts: drivers/clk/Kconfig
2016-03-01clk: ti: Fix some errors found by static checkersStephen Boyd
drivers/clk/ti/clk-814x.c:34:12: warning: symbol 'dm814x_adpll_early_init' was not declared. Should it be static? drivers/clk/ti/clk-814x.c:58:12: warning: symbol 'dm814x_adpll_enable_init_clocks' was not declared. Should it be static? drivers/clk/ti/adpll.c:465 ti_adpll_recalc_rate() warn: should '__readw(d->regs + 20) << 18' be a 64 bit type? drivers/clk/ti/adpll.c:945 ti_adpll_probe() error: we previously assumed 'd->clocks' could be null (see line 921) The last one looks like a real bug because we don't return an error on allocation failure. Cc: Tero Kristo <t-kristo@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-03-01clk: ti: Allow COMPILE_TEST to build selected driversTony Lindgren
The arch independent drivers can be build testeed with COMPILE_TEST. Let's allow that for drivers/clk/ti. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-03-01clk: ti: Add support for dm814x ADPLLTony Lindgren
On dm814x we have 13 ADPLLs with 3 to 4 outputs on each. The ADPLLs have several dividers and muxes controlled by a shared control register for each PLL. Note that for the clocks to work as device drivers for booting on dm814x, this patch depends on "ARM: OMAP2+: Change core_initcall levels to postcore_initcall" that has already been merged. Also note that this patch does not implement clk_set_rate for the PLL, that will be posted later on when available. Cc: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2016-02-29clk: qcom: Fix pre-divider usage for pixel RCGArchit Taneja
The clk_rcg_pixel_set_rate clk_op sets up the pre-divider by reading its current value from the NS register. Using the pre-divider wasn't really intended when creating these ops. The pixel RCG was only intended to achieve fractional multiplication provided in the pixel_table array. Leaving the pre-divider to the existing register value results in a wrong pixel clock when the bootloader sets up the display. This was left unidentified because the IFC6410 Plus board on which this was verified didn't have a bootloader that configured the display. Don't set the RCG pre-divider in freq_tbl to the existing NS register value. Force it to 1 and only use the M/N counter to achieve the desired fractional multiplication. Cc: Vinay Simha <vinaysimha@inforcecomputing.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Tested-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-28clk: imx: add kpp clock for i.MX6ULLothar Waßmann
Add the necessary clock to use the KPP interface on i.MX6UL. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2016-02-28clk: imx: whitespace cleanup; no functional changeLothar Waßmann
remove whitespace before TAB. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2016-02-26clk: h8300: Properly cast to __iomem pointerStephen Boyd
Sparse complains here because we dropped the __iomem annotation when casting the aligned address. Add __iomem back so that sparse stops complaining. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: <uclinux-h8-devel@lists.sourceforge.jp> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26simplefb: Remove impossible check for of_clk_get_parent_count() < 0Stephen Boyd
The check for < 0 is impossible now that of_clk_get_parent_count() returns an unsigned int. Simplify the code and update the types. Cc: Hans de Goede <hdegoede@redhat.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: <linux-fbdev@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26usb: dwc3: Remove impossible check for of_clk_get_parent_count() < 0Stephen Boyd
The check for < 0 is impossible now that of_clk_get_parent_count() returns an unsigned int. Simplify the code and update the types. Acked-by: Felipe Balbi <balbi@kernel.org> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: ti: Update for of_clk_get_parent_count() returning unsigned intStephen Boyd
Change the types here to unsigned int instead of int and update the checks for == 0 instead < 1 to be more explicit about what's going on now that of_clk_get_parent_count() has changed return types. Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: sunxi: Use proper type for of_clk_get_parent_count() return valueStephen Boyd
The return type of of_clk_get_parent_count() is an unsigned int now, so let's update the code here to be more explicit about the range of values we can test for. Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: st: Remove impossible check for of_clk_get_parent_count() < 0Stephen Boyd
The checks for < 0 are impossible now that of_clk_get_parent_count() returns an unsigned int. Simplify the code and update the types. Cc: Gabriel Fernandez <gabriel.fernandez@st.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: h8300: Remove impossible check for of_clk_get_parent_count()Stephen Boyd
The checks for < 1 can be simplified now that of_clk_get_parent_count() returns an unsigned int. Update the code to reflect the int to unsigned int change. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: <uclinux-h8-devel@lists.sourceforge.jp> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: gpio: Remove impossible check for of_clk_get_parent_count() < 0Stephen Boyd
The check for < 0 is impossible now that of_clk_get_parent_count() returns an unsigned int. Simplify the code and update the type here. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: at91: Remove impossible checks for of_clk_get_parent_count()Stephen Boyd
These checks for < 0 are impossible now that of_clk_get_parent_count() returns an unsigned int. Change the checks for == 0 and update the type. Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: Make of_clk_get_parent_count() return unsigned intsStephen Boyd
Russell King recently pointed out a bug in the clk-gpio code where it fails to register the clk if of_clk_get_parent_count() returns an error because the "clocks" property isn't present in the DT node. If we're trying to count parents from DT we'd like to know the count, not if there is a "clocks" property or not. Furthermore, some drivers are assigning the return value to their clk_init_data::num_parents member which is unsigned, leading to potentially large numbers of parents when the property isn't present. Let's change the API to return an unsigned int instead of an int. All the callers just want to know the count anyway, and this avoids the bug that was in the clk-gpio driver. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-26clk: Ignore disabled DT clock providersGeert Uytterhoeven
of_clk_init() uses for_each_matching_node_and_match() to find clock providers, which returns all matching device nodes, whether they are enabled or not. Hence clock providers that are disabled explicitly in DT using e.g. "status = "disabled"; are still activated. Add a check to ignore device nodes that are not enabled, like of_irq_init() does. Reported-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: skip unnecessary set_phase if nothing to doShawn Lin
Let's compare the degrees from clk_set_rate with clk->core->phase. If the requested degrees is already there, skip the following steps. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> [sboyd@codeaurora.org: s/drgrees/degrees/ in commit text] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: bcm2835: added missing clock register definitionsMartin Sperl
Added missing CTRL and DIV clock register definitions for: PCM, SLIM, TCNT, TEC, TD0, TD1 Register information taken from: https://rawgit.com/msperl/rpi-registers/master/rpi-registers.html#CM which extracted the information from the header files shared by Broadcom/rpi foundation in this file: http://www.broadcom.com/docs/support/videocore/Brcm_Android_ICS_Graphics_Stack.tar.gz Signed-off-by: Martin Sperl <kernel@martin.sperl.org> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: shmobile: Remove ARCH_SHMOBILE_MULTISimon Horman
As of 9b5ba0df4ea4 ("ARM: shmobile: Introduce ARCH_RENESAS") all platforms that use Renesas clock drivers now select ARCH_RENESAS. As it is present in drivers/clk/Makefile ARCH_SHMOBILE_MULTI may now be removed. This is part of an ongoing process to migrate from ARCH_SHMOBILE to ARCH_RENESAS the motivation for which being that RENESAS seems to be a more appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25Merge tag 'clk-samsung-4.6' of git://linuxtv.org/snawrocki/samsung into clk-nextStephen Boyd
Pull Samsung clk driver changes from Sylwester Nawrocki: Mostly correction of errors in the exynos5433 SoC clocks definition, dropping read-only registers from the suspend/resume register save/restore list and exposition of two clocks required for the exynos5433 HDMI subsystem operation. * tag 'clk-samsung-4.6' of git://linuxtv.org/snawrocki/samsung: clk: samsung: exynos5433: Fix wrong registers of PCLK_GSCL_SMMU clocks clk: samsung: exynos5433: Fix mout_aclk_cam1*_user clocks definition clk: samsung: exynos5433: Drop RO registers from the save/restore lists clk: samsung: exynos5433: Fix definitions of SCLK ISP SENSOR0 clocks clk: samsung: exynos5433: Fix definitions of MUX_SEL_CAM04 clocks clk: samsung: exynos5433: Fix typos in *_ISP_MPWM clock names clk/samsung: exynos5433: add pclk_decon clock clk/samsung: exynos5433: add definitions of HDMI-PHY output clocks
2016-02-25clk: mvebu: Move corediv config to mvebu configKevin Smith
The core clock does not depend on corediv, so enabling corediv based on the clock is not really correct. Move the corediv config option from the clock driver Kconfig to the mvebu Kconfig so that it can be enabled by the MACH option instead. This also enables corediv on Armada 375 and 38X, which was previously missing. Signed-off-by: Kevin Smith <kevin.smith@elecsyscorp.com> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: mvebu: Remove corediv clock from Armada XPKevin Smith
There is no corediv clock on Armada XP, so this is unnecessary. Signed-off-by: Kevin Smith <kevin.smith@elecsyscorp.com> Acked-by: Michael Turquette <mturquette@baylibre.com> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: versatile: sp810: support reentranceLinus Walleij
Despite care take to allocate clocks state containers the SP810 driver actually just supports creating one instance: all clocks registered for every instance will end up with the exact same name and __clk_init() will fail. Rename the timclken<0> .. timclken<n> to sp810_<instance>_<n> so every clock on every instance gets a unique name. This is necessary for the RealView PBA8 which has two SP810 blocks: the second block will not register its clocks unless every clock on every instance is unique and results in boot logs like this: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ../drivers/clk/versatile/clk-sp810.c:137 clk_sp810_of_setup+0x110/0x154() Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.5.0-rc2-00030-g352718fc39f6-dirty #225 Hardware name: ARM RealView Machine (Device Tree Support) [<c00167f8>] (unwind_backtrace) from [<c0013204>] (show_stack+0x10/0x14) [<c0013204>] (show_stack) from [<c01a049c>] (dump_stack+0x84/0x9c) [<c01a049c>] (dump_stack) from [<c0024990>] (warn_slowpath_common+0x74/0xb0) [<c0024990>] (warn_slowpath_common) from [<c0024a68>] (warn_slowpath_null+0x1c/0x24) [<c0024a68>] (warn_slowpath_null) from [<c051eb44>] (clk_sp810_of_setup+0x110/0x154) [<c051eb44>] (clk_sp810_of_setup) from [<c051e3a4>] (of_clk_init+0x12c/0x1c8) [<c051e3a4>] (of_clk_init) from [<c0504714>] (time_init+0x20/0x2c) [<c0504714>] (time_init) from [<c0501b18>] (start_kernel+0x244/0x3c4) [<c0501b18>] (start_kernel) from [<7000807c>] (0x7000807c) ---[ end trace cb88537fdc8fa200 ]--- Cc: Michael Turquette <mturquette@baylibre.com> Cc: Pawel Moll <pawel.moll@arm.com> Fixes: 6e973d2c4385 "clk: vexpress: Add separate SP810 driver" Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: Get rid of HAVE_MACH_CLKDEVStephen Boyd
This config was used for the ARM port so that it could use a machine specific clkdev.h include, but those are all gone now. The MIPS architecture is the last user, and from what I can tell it doesn't actually use it anyway, so let's remove the config all together. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: <linux-mips@linux-mips.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Reviewed-by: Joshua Henderson <joshua.henderson@microchip.com>
2016-02-25Merge branch 'clk-ipq4019' into clk-nextStephen Boyd
* clk-ipq4019: clk: qcom: Add IPQ4019 Global Clock Controller support
2016-02-25clk: qcom: Add IPQ4019 Global Clock Controller supportVaradarajan Narayanan
This patch adds support for the global clock controller found on the IPQ4019 based devices. This includes UART, I2C, SPI etc. Signed-off-by: Pradeep Banavathi <pradeepb@codeaurora.org> Signed-off-by: Senthilkumar N L <snlakshm@codeaurora.org> Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> Acked-by: Andy Gross <andy.gross@linaro.org> [sboyd@codeaurora.org: Drop 0x16024 enable_reg in crypto_ahb] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: shmobile: Free 'clock' on error pathStephen Boyd
We forgot to free this clock when we return early in this code. Cc: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-25clk: sunxi: Add apb0 gates for H3Krzysztof Adamski
This patch adds support for APB0 in H3. It seems to be compatible with earlier SOCs. apb0 gates controls R_ block peripherals (R_PIO, R_IR, etc). Since this gates behave just like any Allwinner clock gate, add a generic compatible that can be reused if we don't have any clock to protect. Signed-off-by: Krzysztof Adamski <k@japko.eu> [Maxime: Removed the H3 compatible from the simple-gates driver, reworked the commit log a bit] Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-02-25clk: samsung: exynos5433: Fix wrong registers of PCLK_GSCL_SMMU clocksJonghwa Lee
This fixes register assignment in the CLK_PCLK_SMMU_GSCL{1,2} clocks definition. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-25clk: samsung: exynos5433: Fix mout_aclk_cam1*_user clocks definitionSylwester Nawrocki
Control bits for the ACLK_CAM1_552_USER and ACLK_CAM1_400_USER mux clocks are in MUX_SEL_CAM10, not MUX_SEL_CAM01 register. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-25clk: samsung: exynos5433: Drop RO registers from the save/restore listsSylwester Nawrocki
Restoring read-only registers is of not much effect, drop them from the respective lists. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-25clk: samsung: exynos5433: Fix definitions of SCLK ISP SENSOR0 clocksMarek Szyprowski
This fixes bit field offsets in the CMU_TOP CLK_DIV_SCLK_ISP_SENSOR_{A,B} clock definitions. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-25clk: samsung: exynos5433: Fix definitions of MUX_SEL_CAM04 clocksSylwester Nawrocki
This corrects assignment of bit offsets of the MUX_SEL_CAM04 register to the respective mux clocks. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-24clk: shmobile: check for failureSudip Mukherjee
We were not checking the return from devm_add_action() which can fail. Start using the helper devm_add_action_or_reset() and return directly as we know that the cleanup has been done by this helper. Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-23clk: samsung: exynos5433: Fix typos in *_ISP_MPWM clock namesSylwester Nawrocki
This fixes "MPWM" -> "WPWM" typo in 3 *ISP_MWPM clock definitions. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2016-02-22clk: Update some outdated commentsStephen Boyd
__clk_init() was renamed to __clk_core_init() but these comments weren't updated. Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-22Revert "clk: avoid circular clock topology"Stephen Boyd
This reverts commit 858d5881564026cbc4e6f5e25ae878a27df5d4c9. Joachim reports that this commit breaks lpc18xx boot. This is because the hardware has circular clk topology where PLLs can feed into dividers and the same dividers can feed into the PLLs. The hardware is designed this way so that you can choose to put the divider before the PLL or after the PLL depending on what you configure to be the parent of the divider and what you configure to be the parent of the PLL. So let's drop this patch for now because we have hardware that actually has loops. A future patch could check for circular parents when we change parents and fail the switch, but that's probably best left to some debugging Kconfig option so that we don't suffer the sanity checking cost all the time. Reported-by: Joachim Eastwood <manabian@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-02-22clk: socfpga: allow for multiple parents on Arria10 periph clocksDinh Nguyen
There are some Arria10 clocks of type "altr,socfpga-a10-perip-clk" that can have multiple parents. Fix up the __socfpga_periph_init() to call of_clk_parent_fill() that will return the appropriate number of parents. Also, update __socfpga_gate_init() to call of_clk_parent_fill() helper function. Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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