diff options
| author | Michael Walle <michael@walle.cc> | 2020-01-03 02:11:01 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2020-01-29 00:26:48 +0300 |
| commit | 9cd10205227cbe9bbd48fd6bf78dad88b45526b0 (patch) | |
| tree | e6f2b6940f6c6afabbcc1d44ed2546251980b72e /drivers/clk/Kconfig | |
| parent | 8798e8fb08b72c60aa1a9e06af7f10425ef40efd (diff) | |
| download | linux-9cd10205227cbe9bbd48fd6bf78dad88b45526b0.tar.xz | |
clk: fsl-sai: new driver
With this driver it is possible to use the BCLK pin of the SAI module as
a generic clock output. This is esp. useful if you want to drive a clock
to an audio codec. Because the output only allows integer divider values
the audio codec needs an integrated PLL.
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lkml.kernel.org/r/20200102231101.11834-3-michael@walle.cc
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/Kconfig')
| -rw-r--r-- | drivers/clk/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 45653a0e6ecd..dd1a5abc4ce8 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -174,6 +174,18 @@ config COMMON_CLK_CS2000_CP help If you say yes here you get support for the CS2000 clock multiplier. +config COMMON_CLK_FSL_SAI + bool "Clock driver for BCLK of Freescale SAI cores" + depends on ARCH_LAYERSCAPE || COMPILE_TEST + help + This driver supports the Freescale SAI (Synchronous Audio Interface) + to be used as a generic clock output. Some SoCs have restrictions + regarding the possible pin multiplexer settings. Eg. on some SoCs + two SAI interfaces can only be enabled together. If just one is + needed, the BCLK pin of the second one can be used as general + purpose clock output. Ideally, it can be used to drive an audio + codec (sometimes known as MCLK). + config COMMON_CLK_GEMINI bool "Clock driver for Cortina Systems Gemini SoC" depends on ARCH_GEMINI || COMPILE_TEST |