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On OMAP4+ platforms the functional clock for the McPDM IP is suplied by the twl6040 codec (bit clock on the PDM bus). This common clock driver for twl6040 will register the mcpdm_fclk clock to be used by the McPDM driver to make sure that the needed clocks are available when needed. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
65 lines
1.8 KiB
Plaintext
65 lines
1.8 KiB
Plaintext
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config CLKDEV_LOOKUP
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bool
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select HAVE_CLK
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config HAVE_CLK_PREPARE
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bool
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config HAVE_MACH_CLKDEV
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bool
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config COMMON_CLK
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bool
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select HAVE_CLK_PREPARE
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select CLKDEV_LOOKUP
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---help---
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The common clock framework is a single definition of struct
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clk, useful across many platforms, as well as an
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implementation of the clock API in include/linux/clk.h.
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Architectures utilizing the common struct clk should select
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this option.
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menu "Common Clock Framework"
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depends on COMMON_CLK
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config COMMON_CLK_DEBUG
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bool "DebugFS representation of clock tree"
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select DEBUG_FS
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---help---
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Creates a directory hierchy in debugfs for visualizing the clk
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tree structure. Each directory contains read-only members
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that export information specific to that clk node: clk_rate,
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clk_flags, clk_prepare_count, clk_enable_count &
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clk_notifier_count.
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config COMMON_CLK_WM831X
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tristate "Clock driver for WM831x/2x PMICs"
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depends on MFD_WM831X
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---help---
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Supports the clocking subsystem of the WM831x/2x series of
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PMICs from Wolfson Microlectronics.
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config COMMON_CLK_VERSATILE
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bool "Clock driver for ARM Reference designs"
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depends on ARCH_INTEGRATOR || ARCH_REALVIEW
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---help---
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Supports clocking on ARM Reference designs Integrator/AP,
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Integrator/CP, RealView PB1176, EB, PB11MP and PBX.
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config COMMON_CLK_MAX77686
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tristate "Clock driver for Maxim 77686 MFD"
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depends on MFD_MAX77686
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---help---
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This driver supports Maxim 77686 crystal oscillator clock.
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config CLK_TWL6040
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tristate "External McPDM functional clock from twl6040"
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depends on TWL6040_CORE
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---help---
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Enable the external functional clock support on OMAP4+ platforms for
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McPDM. McPDM module is using the external bit clock on the McPDM bus
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as functional clock.
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endmenu
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