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Pxa_timer clocksource requires OSTIMER0 clock to be provided.
Add dummy clock returning proper rate.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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SA-1111 uses internal MMIO space offsets as a device name, so device
name for sa1111 pcmcia is 1800 (PCMCIA is at offset 0x1800).
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Both SA1100 framebuffer and PCMCIA drivers require knowledge of cpu
frequency to correctly program timings. Currently they receive timing
information by calling cpufreq_get(0). However if cpu frequency driver
is not enabled (e.g. due to unsupported DRAM chip/board on sa1110)
cpufreq_get(0) returns 0, causing incorrect timings to be programmed.
Add cpu clock returning cpu frequency, to be used by sa11x0 fb and
pcmcia drivers.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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There are some parts of common kernel which would be using routines
like clk_get_rate() on some platforms. Currently, they wouldn't be
called for SA1100 boards, but they are needed for successful kernel
compilation.
Create a dummy clk_get_rate() routine for SA1100 which can be called
by the cpufreq core. More dummy routines might be added later if
necessary.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Reported-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add rtc clock support and clean clock support for gpio.
Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
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This reverts commit edf3ff5bac2582b57de4e7c6569fee5d7c1c0a42.
This revert is necessary to revert the broken "RTC: sa1100:
support sa1100, pxa and mmp soc families" change.
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Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Continuing the move away from implementations which give an excuse
for other bad implementations, convert SA1100 to lookup its singular
clock by dev_name(dev) rather than by id.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove includes of asm/hardware.h in addition to asm/arch/hardware.h.
Then, since asm/hardware.h only exists to include asm/arch/hardware.h,
update everything to directly include asm/arch/hardware.h and remove
asm/hardware.h.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch uses the ability of PXA's clocklib to alias clock to resolve the
problem caused by sharing the SA1111 IO controller between PXA and SA1100
architectures, which have differing GPIO numbering.
Signed-off-by: Ian Molton <spyro@f2s.com>
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Use a mutex in the sa1100 clock support rather than a semaphore.
Remove the unused "module" field.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Dmitry Eremin-Solenikov
Viresh Kumar
Jett.Zhou
Russell King
Russell King
Ian Molton