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linux-next
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drivers
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clk
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pxa
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Makefile
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clk: add pxa clocks infrastructure Add a the common code used by all PXA variants. This is the first step in the transition from architecture defined clocks (in arch/arm/mach-pxa) towards clock framework. The goal is to have the same features (and not all the features) of the existing clocks, and enable the transition of PXA to device-tree. All PXA rely on a "CKEN" type clock, which : - has a gate (bit in CKEN register) - is generated from a PLL, generally divided - has an alternate low power clock Each variant will specialize the CKEN clock : - pxa25x have no low power clock - pxa27x in low power use always the 13 MHz ring oscillator - pxa3xx in low power have specific dividers for each clock The device-tree provides a list of CLK_* (ex: CLK_USB or CLK_I2C) to get a handle on the clock. While pxa-clock.h will describe all the clocks of all the variants, each variant will only use a subset of it. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-07-30 22:50:59 +02:00
obj-y
+=
clk-pxa.o
clk: add pxa25x clock drivers Move pxa25x clock drivers from arch/arm/mach-pxa to driver/clk. In the move : - convert to new clock framework legacy clocks - provide clocks as before for platform data based boards - provide clocks through devicetree with clk-pxa-dt This is the preliminary step in the conversion. The remaining steps are : - pxa3xx - once PXA is fully converted to device tree, if that happens, clk-pxa2* and clk-pxa3* should only hold the core clocks which cannot be described in devicetree. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Tested-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-11-11 15:53:25 +01:00
obj-$(CONFIG_PXA25x)
+=
clk-pxa25x.o
clk: add pxa27x clock drivers Move pxa27x clock drivers from arch/arm/mach-pxa to driver/clk. In the move : - convert to new clock framework legacy clocks - provide clocks as before for platform data based boards - provide clocks through devicetree Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-07-30 22:51:02 +02:00
obj-$(CONFIG_PXA27x)
+=
clk-pxa27x.o
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