diff options
Diffstat (limited to 'drivers/clk/Kconfig')
| -rw-r--r-- | drivers/clk/Kconfig | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 9b3cd08cd0ed..165e1febae53 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -8,3 +8,40 @@ config HAVE_CLK_PREPARE config HAVE_MACH_CLKDEV bool + +config COMMON_CLK + bool + select HAVE_CLK_PREPARE + ---help--- + The common clock framework is a single definition of struct + clk, useful across many platforms, as well as an + implementation of the clock API in include/linux/clk.h. + Architectures utilizing the common struct clk should select + this option. + +menu "Common Clock Framework" + depends on COMMON_CLK + +config COMMON_CLK_DISABLE_UNUSED + bool "Disabled unused clocks at boot" + depends on COMMON_CLK + ---help--- + Traverses the entire clock tree and disables any clocks that are + enabled in hardware but have not been enabled by any device drivers. + This saves power and keeps the software model of the clock in line + with reality. + + If in doubt, say "N". + +config COMMON_CLK_DEBUG + bool "DebugFS representation of clock tree" + depends on COMMON_CLK + select DEBUG_FS + ---help--- + Creates a directory hierchy in debugfs for visualizing the clk + tree structure. Each directory contains read-only members + that export information specific to that clk node: clk_rate, + clk_flags, clk_prepare_count, clk_enable_count & + clk_notifier_count. + +endmenu |