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ASoC: fsl_sai: Allow setting the SAI MCLK direction

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On mx6ul the General Purpose Register 1 (GPR1) contains the following
bits for configuring the direction of the SAI MCLKs:
SAI1_MCLK_DIR, SAI2_MCLK_DIR, SAI3_MCLK_DIR

Introduce  the "fsl,sai-mclk-direction-output" optional property to allow
configuring the SAI_MCLK outputs.

Tested on a imx6ul-evk board.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Fabio Estevam 2016-05-04 19:33:59 -03:00 • committed by Mark Brown
parent 1593af62b6
commit 4d2458507d
3 changed files with 31 additions and 0 deletions
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6
include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
View file

@ -447,5 +447,11 @@
#define IMX6UL_GPR1_ENET2_CLK_OUTPUT (0x1 << 18)
#define IMX6UL_GPR1_ENET_CLK_DIR (0x3 << 17)
#define IMX6UL_GPR1_ENET_CLK_OUTPUT (0x3 << 17)
#define IMX6UL_GPR1_SAI1_MCLK_DIR (0x1 << 19)
#define IMX6UL_GPR1_SAI2_MCLK_DIR (0x1 << 20)
#define IMX6UL_GPR1_SAI3_MCLK_DIR (0x1 << 21)
#define IMX6UL_GPR1_SAI_MCLK_MASK (0x7 << 19)
#define MCLK_DIR(x) (x == 1 ? IMX6UL_GPR1_SAI1_MCLK_DIR : x == 2 ? \
IMX6UL_GPR1_SAI2_MCLK_DIR : IMX6UL_GPR1_SAI3_MCLK_DIR)
#endif /* __LINUX_IMX6Q_IOMUXC_GPR_H */