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path: root/drivers/clk/mxs/clk-imx23.c
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2015-07-20clk: mxs: Include clk.h in C files that use itStephen Boyd1-2/+1
Clock provider drivers generally shouldn't include clk.h because it's the consumer API. The clk.h include is being included in all mxs files because it's part of mxs/clk.h even though nothing actually requires it in that file. Move the clk.h include to the C files that are actually using it and remove the clk.h include from the header file. The clkdev.h include isn't used either, so drop it too. Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-06-04clk: make several parent names constUwe Kleine-König1-6/+6
Since commit 2893c379461a ("clk: make strings in parent name arrays const") the name of parent clocks can be const. So add more const in several clock drivers. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-12clk: don't use __initconst for non-const arraysUwe Kleine-König1-6/+6
The statement static const char *name[]; defines a modifiable array of pointers to constant chars. That is *name[0] = 'f'; is forbidden, but name[0] = "f"; is not. So marking an array that is defined as above with __initconst is wrong. Either an additional const must be added such that the whole definition reads: static const char *const name[] __initconst; or where this is not possible __initdata must be used. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2013-09-29ARM: mxs: remove custom .init_time hookSebastian Hesselbarth1-7/+8
This patch converts clk-imx2[38] clocksource_of_init compatible init associated with fsl,imx2[38]-clkctrl. With arch/arm calling of_clk_init(NULL) from time_init(), we can now also remove custom .init_time hooks. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Mike Turquette <mturquette@linaro.org> Acked-by: Shawn Guo <shawn.guo@linaro.org>
2013-08-08clk: mxs: clk-imx23: Include <linux/clk/mxs.h>Fabio Estevam1-0/+1
Fix the following sparse warning: drivers/clk/mxs/clk-imx23.c:102:12: warning: symbol 'mx23_clocks_init' was not declared. Should it be static? Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-04-01clk: mxs: remove the use of mach level IO accessorShawn Guo1-6/+5
It removes the use of mach level IO accessor __mxs_setl/clrl, and hence removes mach header inclusion from clock driver. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Mike Turquette <mturquette@linaro.org>
2013-04-01clk: mxs: get base address from device treeShawn Guo1-8/+18
Instead of using the static definitions, get clkctrl and digctl base addresses with mapping from device tree. Use macro on variable is not nice, but it's done here to save huge pointless diff stat. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Mike Turquette <mturquette@linaro.org>
2013-04-01ARM: mxs: look up timrot clock from device treeShawn Guo1-2/+0
Change call clk_get_sys() to of_clk_get() to look up timrot clock from device tree, so that the clk_register_clkdev() call for timrot can be saved in clock driver. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-01ARM: mxs: use CLKSRC_OF helper to initialize timerShawn Guo1-3/+0
Select CLKSRC_OF and use clocksource_of_init() to initialize timer, so that the call to mxs_timer_init() in clock driver can be removed. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-15clk: mxs: Index is always positiveFabio Estevam1-1/+1
Fix the following warnings when building with W=1 option: drivers/clk/mxs/clk-imx23.c: In function 'mx23_clocks_init': drivers/clk/mxs/clk-imx23.c:149:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/clk/mxs/clk-imx23.c:165:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] ... drivers/clk/mxs/clk-imx28.c: In function 'mx28_clocks_init': drivers/clk/mxs/clk-imx28.c:227:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/clk/mxs/clk-imx28.c:244:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-11-16clk: mxs: Use a better name for the USB PHY clockFabio Estevam1-3/+3
Use a better name for the USB PHY clock. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-10-01Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-1/+1
Pull ARM soc-specific updates, take 2 from Olof Johansson: "This branch converts the MXS Freescale platform to use irqdomains and sparse IRQ, in preparation for DT probing and multiplatform kernels." * tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: mxs: remove mach/irqs.h ARM: mxs: select SPARSE_IRQ ARM: mxs: adopt irq_domain support for icoll driver ARM: mxs: select MULTI_IRQ_HANDLER ARM: mxs: retrieve timer irq from device tree gpio/mxs: adopt irq_domain support for mxs gpio driver
2012-09-11clk: mxs: replace imx23 clk_register_clkdev with clock DT lookupShawn Guo1-45/+10
It really becomes a maintenance issue that every time a device needs to look up (clk_get) a clock we have to patch kernel clock file to call clk_register_clkdev for that clock. Since clock DT support which is meant to resolve clock lookup in device tree is in place, the patch moves imx23 client devices' clock lookup over to device tree, so that any new lookup to be added at later time can just get done in DT instead of kernel. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-03ARM: mxs: retrieve timer irq from device treeShawn Guo1-1/+1
Rather than using the static timer irq definition, we should retrieve timer irq from device tree for better. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-07-11Merge branch 'clk/mxs-for-3.6' of ↵Mike Turquette1-1/+2
git://git.linaro.org/people/shawnguo/linux-2.6 into clk-3.6
2012-06-27clk: mxs: add clkdev lookup for pwmShawn Guo1-0/+1
Add pwm clock lookup for imx23 and imx28 booting from device tree. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-06-27clk: mxs: Fix the GPMI clock nameFabio Estevam1-1/+1
The correct name for the GPMI clock is 'gpmi-nand'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-06-25clk: mxs: fix clock lookup after freeing init memoryMarc Kleine-Budde1-6/+6
The struct clk_lookup are marked as __initdata, resulting in being removed from memory after the kernel finished booting. However this leads to a NULL pointer de-ref if loading a module which uses clk_get. This patch removes the __initdata from the struct clk_lookup. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-05-13mmc: mxs-mmc: get rid of the use of cpu_is_xxxShawn Guo1-2/+2
The register HW_SSP_VERSION is broken for ssp version detection, as the address of the register is different between imx23 and imx28. Let's use platform_device_id to detect the device, so that the use of cpu_is_xxx can be removed. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Chris Ball <cjb@laptop.org>
2012-05-12dma: mxs-dma: make platform_device_id more genericShawn Guo1-2/+2
Rewrite mxs_dma_is_apbh and mxs_dma_is_apbx in order to support other SoCs like imx6q and reform the platform_device_id for the better further dt support. Cc: Dan Williams <dan.j.williams@intel.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Huang Shijie <b32955@freescale.com> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Vinod Koul <vinod.koul@intel.com>
2012-05-12ARM: mxs: add initial device tree support for imx23-evk boardShawn Guo1-0/+1
It adds initial device tree support for imx23-evk board, and only serial console is enabled. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Marek Vasut <marex@denx.de>
2012-05-09ARM: mxs: remove now unused timer_clk argument from mxs_timer_initShawn Guo1-1/+1
With old mxs clock support removed, the timer_clk argument of mxs_timer_init is unused now, so remove it. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-05-09clk: mxs: add clock support for imx23Shawn Guo1-0/+204
Add imx23 clock support based on common clk framework. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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