linux-stable/sound/soc/fsl/fsl_utils.h
Shengjiu Wang 7bad812554
ASoC: fsl_utils: Add function to handle PLL clock source
i.MX8MQ/MN/MM/MP platforms typically have 2 AUDIO PLLs being
configured to handle 8kHz and 11kHz series audio rates.
Add common function in fsl_utils to handle these two PLL
clock source, which are needed by CPU DAI drivers

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1656667961-1799-2-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-07-05 13:00:37 +01:00

29 lines
764 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Freescale ALSA SoC Machine driver utility
*
* Author: Timur Tabi <timur@freescale.com>
*
* Copyright 2010 Freescale Semiconductor, Inc.
*/
#ifndef _FSL_UTILS_H
#define _FSL_UTILS_H
#define DAI_NAME_SIZE 32
struct snd_soc_dai_link;
struct device_node;
int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
struct snd_soc_dai_link *dai,
unsigned int *dma_channel_id,
unsigned int *dma_id);
void fsl_asoc_get_pll_clocks(struct device *dev, struct clk **pll8k_clk,
struct clk **pll11k_clk);
void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk,
struct clk *pll8k_clk,
struct clk *pll11k_clk, u64 ratio);
#endif /* _FSL_UTILS_H */