Unverified Commit 955ac624 authored by Shengjiu Wang's avatar Shengjiu Wang Committed by Mark Brown
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ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers 



EASRC (Enhanced Asynchronous Sample Rate Converter) is a new IP module
found on i.MX8MN. It is different with old ASRC module.

The primary features for the EASRC are as follows:
- 4 Contexts - groups of channels with an independent time base
- Fully independent and concurrent context control
- Simultaneous processing of up to 32 audio channels
- Programmable filter charachteristics for each context
- 32, 24, 20, and 16-bit fixed point audio sample support
- 32-bit floating point audio sample support
- 8kHz to 384kHz sample rate
- 1/16 to 8x sample rate conversion ratio

Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: default avatarCosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Acked-by: default avatarNicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/260d7a9fbddf9fa90760d30095df60a4c25fd0a1.1587038908.git.shengjiu.wang@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a960de4d

sound/soc/fsl/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -84,6 +84,17 @@ config SND_SOC_FSL_MICFIL 
	  Say Y if you want to add Pulse Density Modulation microphone

	  interface (MICFIL) support for NXP.



config SND_SOC_FSL_EASRC

	tristate "Enhanced Asynchronous Sample Rate Converter (EASRC) module support"

	depends on SND_SOC_FSL_ASRC

	select REGMAP_MMIO

	select SND_SOC_GENERIC_DMAENGINE_PCM

	help

	  Say Y if you want to add Enhanced ASRC support for NXP. The ASRC is

	  a digital module that converts audio from a source sample rate to a

	  destination sample rate. It is a new design module compare with the

	  old ASRC.



config SND_SOC_FSL_UTILS

	tristate

sound/soc/fsl/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ snd-soc-fsl-micfil-objs := fsl_micfil.o 
snd-soc-fsl-utils-objs := fsl_utils.o

snd-soc-fsl-dma-objs := fsl_dma.o

snd-soc-fsl-mqs-objs := fsl_mqs.o

snd-soc-fsl-easrc-objs := fsl_easrc.o



obj-$(CONFIG_SND_SOC_FSL_AUDMIX) += snd-soc-fsl-audmix.o

obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o
@@ -35,6 +36,7 @@ obj-$(CONFIG_SND_SOC_FSL_ESAI) += snd-soc-fsl-esai.o 
obj-$(CONFIG_SND_SOC_FSL_MICFIL) += snd-soc-fsl-micfil.o

obj-$(CONFIG_SND_SOC_FSL_UTILS) += snd-soc-fsl-utils.o

obj-$(CONFIG_SND_SOC_FSL_MQS) += snd-soc-fsl-mqs.o

obj-$(CONFIG_SND_SOC_FSL_EASRC) += snd-soc-fsl-easrc.o

obj-$(CONFIG_SND_SOC_POWERPC_DMA) += snd-soc-fsl-dma.o



# MPC5200 Platform Support

sound/soc/fsl/fsl_easrc.c

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+2114 −0

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sound/soc/fsl/fsl_easrc.h

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+651 −0

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