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driver: clock: nxp-mcux add clock support for i2s

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add mcux ccm clock setting for i2s

Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>
This commit is contained in:
Hake Huang 2021-07-30 21:56:26 +08:00 committed by Carles Cufí
parent 57b23c7308
commit 0e9d491f47
1 changed files with 17 additions and 0 deletions
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17
drivers/clock_control/clock_control_mcux_ccm.c
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@ -135,6 +135,23 @@ static int mcux_ccm_get_subsys_rate(const struct device *dev,
break;
#endif
#ifdef CONFIG_I2S_MCUX_SAI
case IMX_CCM_SAI1_CLK:
*rate = CLOCK_GetFreq(kCLOCK_AudioPllClk) / 8
/ (CLOCK_GetDiv(kCLOCK_Sai1PreDiv) + 1)
/ (CLOCK_GetDiv(kCLOCK_Sai1Div) + 1);
break;
case IMX_CCM_SAI2_CLK:
*rate = CLOCK_GetFreq(kCLOCK_AudioPllClk) / 8
/ (CLOCK_GetDiv(kCLOCK_Sai2PreDiv) + 1)
/ (CLOCK_GetDiv(kCLOCK_Sai2Div) + 1);
break;
case IMX_CCM_SAI3_CLK:
*rate = CLOCK_GetFreq(kCLOCK_AudioPllClk) / 8
/ (CLOCK_GetDiv(kCLOCK_Sai3PreDiv) + 1)
/ (CLOCK_GetDiv(kCLOCK_Sai3Div) + 1);
break;
#endif
}
return 0;