ARM: tegra: clock: Add shared bus clock type

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Some clocks may have multiple downstream users that need to request a
higher clock rate.  Shared bus clocks provide a unique shared_bus_user
clock to each user.  The frequency of the bus is set to the highest
enabled shared_bus_user clock, with a minimum value set by the
shared bus.  Drivers can use clk_enable and clk_disable to enable
or disable their requirement, and clk_set_rate to set the minimum rate.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Colin Cross <ccross@android.com>

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This commit is contained in:

Colin Cross 2011-02-12 16:14:03 -08:00

parent 89a5fb84da

commit 310992ca4b

2 changed files with 124 additions and 0 deletions

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8

arch/arm/mach-tegra/clock.h

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116

arch/arm/mach-tegra/tegra2_clocks.c

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