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b73d9e6225
This is a cpu dai driver for rpmsg audio use case, which is mainly used for getting the user's configuration from devicetree and configure the clocks which is used by Cortex-M core. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Link: https://lore.kernel.org/r/1615516725-4975-3-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
36 lines
962 B
C
36 lines
962 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2017-2021 NXP
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*/
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#ifndef __FSL_RPMSG_H
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#define __FSL_RPMSG_H
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/*
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* struct fsl_rpmsg - rpmsg private data
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*
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* @ipg: ipg clock for cpu dai (SAI)
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* @mclk: master clock for cpu dai (SAI)
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* @dma: clock for dma device
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* @pll8k: parent clock for multiple of 8kHz frequency
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* @pll11k: parent clock for multiple of 11kHz frequency
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* @card_pdev: Platform_device pointer to register a sound card
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* @mclk_streams: Active streams that are using baudclk
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* @force_lpa: force enable low power audio routine if condition satisfy
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* @enable_lpa: enable low power audio routine according to dts setting
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* @buffer_size: pre allocated dma buffer size
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*/
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struct fsl_rpmsg {
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struct clk *ipg;
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struct clk *mclk;
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struct clk *dma;
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struct clk *pll8k;
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struct clk *pll11k;
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struct platform_device *card_pdev;
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unsigned int mclk_streams;
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int force_lpa;
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int enable_lpa;
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int buffer_size;
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};
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#endif /* __FSL_RPMSG_H */
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