| Masahiro Yamada | 8138581 | 2016-01-12 16:36:38 +0900 | [diff] [blame] | 1 | menu "Clock" |
| 2 | |
| Simon Glass | f26c8a8 | 2015-06-23 15:39:15 -0600 | [diff] [blame] | 3 | config CLK |
| 4 | bool "Enable clock driver support" |
| 5 | depends on DM |
| 6 | help |
| 7 | This allows drivers to be provided for clock generators, including |
| 8 | oscillators and PLLs. Devices can use a common clock API to request |
| 9 | a particular clock rate and check on available clocks. Clocks can |
| 10 | feed into other clocks in a tree structure, with multiplexers to |
| 11 | choose the source for each clock. |
| 12 | |
| Masahiro Yamada | 0543589 | 2015-08-12 07:31:46 +0900 | [diff] [blame] | 13 | config SPL_CLK |
| Simon Glass | f26c8a8 | 2015-06-23 15:39:15 -0600 | [diff] [blame] | 14 | bool "Enable clock support in SPL" |
| 15 | depends on CLK |
| 16 | help |
| 17 | The clock subsystem adds a small amount of overhead to the image. |
| 18 | If this is acceptable and you have a need to use clock drivers in |
| 19 | SPL, enable this option. It might provide a cleaner interface to |
| 20 | setting up clocks within SPL, and allows the same drivers to be |
| 21 | used as U-Boot proper. |
| Masahiro Yamada | 8138581 | 2016-01-12 16:36:38 +0900 | [diff] [blame] | 22 | |
| 23 | endmenu |