- 11 6月, 2009 2 次提交
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由 Magnus Damm 提交于
This patch updates the div6 clock helper code to add support for enable(), disable() and set_rate() callbacks. Needed by the camera clock enabling board code on Migo-R. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Magnus Damm 提交于
This patch adds div6 clock helper code. The div6 clocks are simply 6-bit divide-by-n modules where n is 1 to 64. Needed for vclk on sh7722, sh7723, sh7343 and sh7366. sh7724 needs this even more for vclk, fclka, fclkb, irdaclk and spuclk. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 01 6月, 2009 2 次提交
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由 Magnus Damm 提交于
Add shared code for 4-bit divisor clocks. Processor specific code can use SH_CLK_DIV4() to initialize div4 clocks, and then use sh_clk_div4_register() for registration. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Magnus Damm 提交于
Add shared 32-bit module stop bit clock support. Processor specific code can use SH_CLK_MSTP32() to initialize module stop bit clocks, and then use sh_clk_mstp32() for registration. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 26 5月, 2009 2 次提交
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由 Magnus Damm 提交于
This patch removes the ->build_rate_table() callback, ->recalc() may instead be used for this purpose. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Magnus Damm 提交于
Add SuperH-specific clock framework helper functions: - clk_rate_table_build() - build cpufreq table from divisors/multipliers - clk_rate_table_round() - use cpufreq table to find matching frequency Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 14 5月, 2009 1 次提交
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由 Paul Mundt 提交于
This plugs in all of the MSTP functions in to the clock framework, and hands them off to the platform devices that want them. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 13 5月, 2009 4 次提交
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由 Paul Mundt 提交于
This adopts the OMAP clock framework debugfs bits and replaces the aging procfs bits. The procfs clocks entry was primarily a debugging aid, and used to be tied in to cpuinfo before the clock list grew too unweildly. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This adds support for constructing a rate table by looking at potential divisors for a specified clock. Each FQRMR clock is given its own table. Presently each table is rebuilt when the parent propagates down a new rate, so some more logic needs to be added to do this more intelligently. Additionally, a fairly generic round_rate() implementation is then layered on top of it, which subsequently provides us with cpufreq support. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This updates the SH7785 CPU code as well as the SH7785LCR board support code for making use of the newly refactored clock framework. Support for the legacy CPG clocks is dropped at this point, with the extal frequency fed in from the board code. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This moves out the old legacy CPG clocks to their own file, and converts over the existing users. With these clocks going away and each CPU dealing with them on their own, CPUs can gradually move over to the new interface. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 12 5月, 2009 9 次提交
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由 Paul Mundt 提交于
This stubs in clk_get_sys() from the ARM clkdev implementation. Tentatively conver the clk_get() lookup code to use this, and once the rest of the in-tree users are happy with this, it can replace the fallback lookups. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
The only user for this is the SH-Mobile r_clk, which is now added as a root clock and can be kicked via propagate_rate() as usual. Given that, there is no longer any need for the special clk_recalc_rate(), so we kill it off. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This causes the generic clk_set_parent() implementation to be a bit more intelligent. A clk_reparent() is added to move the clock over to the new parent's sibling list, which then allows the generic rate propagation code to succeed. This also becomes a nop if the new and old parents are unchanged. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
There are a couple of instances where a clk_enable() can fail, which the SH-Mobile code presently handles, but doesn't get reported all the way back up. This fixes up the return type so the errors make it all the way down to the drivers. Additionally, we now also error out properly if the parent enable fails. Prep work for aggressively turning off unused clocks on boot. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
Kill off all of the clk_always_enabled leftovers and use the new flag directly. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
There is no real distinction here in behaviour, either a clock needs to be enabled on initialiation or not. The ALWAYS_ENABLED flag was always intended to only apply to clocks that were physically always on and could simply not be disabled at all from software. Unfortunately over time this was abused and the meaning became a bit blurry. So, we kill off both of all of those paths now, as well as the newer NEEDS_INIT flag, and consolidate on a CLK_ENABLE_ON_INIT. Clocks that need to be enabled on initialization can set this, and it will purposely enable them and bump the refcount up. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This resyncs the rate propagation strategy with the scheme used by the OMAP clock framework. Child clocks are tracked on a list under each parent and propagation happens there specifically rather than constantly iterating over the global clock list. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This adds a followparent_recalc() helper for clocks that just follow the parent's rate. Switch over the few CPUs that use this scheme for some of their clocks. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
This is prep work for cleaning up some of the rate propagation bits. Trivial conversion. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 08 5月, 2009 1 次提交
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由 Magnus Damm 提交于
This patch updates the clock framework use count code. With this patch the enable() and disable() callbacks only get called when counting from and to zero. While at it the kref stuff gets replaced with an int. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 11 3月, 2009 1 次提交
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由 Francesco VIRLINZI 提交于
This patch adds the clk_set_parent/clk_get_parent routines to the sh clock framework. Signed-off-by: NFrancesco Virlinzi <francesco.virlinzi@st.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 08 9月, 2008 1 次提交
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由 Paul Mundt 提交于
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 29 7月, 2008 1 次提交
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由 Paul Mundt 提交于
This follows the sparc changes a439fe51. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 28 7月, 2008 3 次提交
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由 Magnus Damm 提交于
Add SuperH specific funcion clk_always_enable(), useful to enable MSTPCR bits in processor or board specific code. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Magnus Damm 提交于
Add arch_flags to struct clk so we can keep per-clock private data somewhere and share code between multiple clocks. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Adrian Bunk 提交于
This patch contains the following cleanups: - make the following needlessly global code static: - cf-enabler.c: cf_init() - cpu/clock.c: __clk_enable() - cpu/clock.c: __clk_disable() - process_32.c: default_idle() - time_32.c: struct clocksource_sh - timers/timer-tmu.c: struct tmu_timer_ops - remove the following unused functions (no CONFIG_BLK_DEV_FD on sh): - process_{32,64}.c: disable_hlt() - process_{32,64}.c: enable_hlt() Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 20 7月, 2007 1 次提交
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由 Paul Mundt 提交于
This is an optional component of the clock framework. However, as we're going to be using this in the cpufreq drivers, add support for it to the framework. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 07 5月, 2007 2 次提交
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由 Paul Mundt 提交于
Previously this was done in cpuinfo, but with the number of clocks growing, it makes more sense to place this in a different proc entry. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 dmitry pervushin 提交于
This adds support for the SH7722 (MobileR) to the clock framework. Signed-off-by: Ndmitry pervushin <dimka@nomadgs.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 06 12月, 2006 1 次提交
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由 Paul Mundt 提交于
This syncs up the SH clock framework with the linux/clk.h API, for which there were only some minor changes required, namely the clk_get() dev_id and subsequent callsites. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 17 1月, 2006 1 次提交
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由 Paul Mundt 提交于
This adds a relatively simplistic clock framework for sh. The initial goal behind this is to clean up the arch/sh/kernel/time.c mess and to get the CPU subtype-specific frequency setting and calculation code moved somewhere more sensible. This only deals with the core clocks at the moment, though it's trivial for other drivers to define their own clocks as desired. Signed-off-by: NPaul Mundt <lethal@linux-sh.org> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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