diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 90a788a0beb1edacbf6bce985f74c1094899772e..44be97769d700d635bda4e3e3c59ee3924c4f8e4 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -85,6 +85,7 @@ config SND_SOC_FSL_RPMSG_I2S
config SND_SOC_FSL_DSP
tristate "dsp module support"
+ select SND_SOC_COMPRESS
help
Say Y if you want to add hifi 4 support for the Freescale CPUs.
which is a DSP core for audio processing.
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index dfe7ebe33092b63c1d6cb1dc8b38b1c4435cdbc8..a49f9535025680c0319f625fa67b9e32a7e95070 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -17,7 +17,7 @@ snd-soc-fsl-amix-objs := fsl_amix.o
snd-soc-fsl-asrc-objs := fsl_asrc.o fsl_asrc_dma.o
snd-soc-fsl-dma-workaround-objs := fsl_dma_workaround.o
snd-soc-fsl-dsp-objs := fsl_dsp.o fsl_dsp_proxy.o fsl_dsp_pool.o \
- fsl_dsp_library_load.o fsl_dsp_xaf_api.o
+ fsl_dsp_library_load.o fsl_dsp_xaf_api.o fsl_dsp_cpu.o
snd-soc-fsl-sai-objs := fsl_sai.o
snd-soc-fsl-ssi-y := fsl_ssi.o
snd-soc-fsl-ssi-$(CONFIG_DEBUG_FS) += fsl_ssi_dbg.o
diff --git a/sound/soc/fsl/fsl_dsp_cpu.c b/sound/soc/fsl/fsl_dsp_cpu.c
new file mode 100644
index 0000000000000000000000000000000000000000..2789a090e6852fcfd9c3f5792ae420898d367c5f
--- /dev/null
+++ b/sound/soc/fsl/fsl_dsp_cpu.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// DSP Audio platform driver
+//
+// Copyright 2018 NXP
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <sound/soc.h>
+#include <sound/core.h>
+#include <sound/compress_driver.h>
+
+#include "fsl_dsp_cpu.h"
+
+static int dsp_audio_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ pm_runtime_get_sync(cpu_dai->dev);
+ return 0;
+}
+
+
+static void dsp_audio_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ pm_runtime_put_sync(cpu_dai->dev);
+}
+
+static const struct snd_soc_dai_ops dsp_audio_dai_ops = {
+ .startup = dsp_audio_startup,
+ .shutdown = dsp_audio_shutdown,
+};
+
+static struct snd_soc_dai_driver dsp_audio_dai = {
+ .name = "dsp-audio-cpu-dai",
+ .compress_new = snd_soc_new_compress,
+ .ops = &dsp_audio_dai_ops,
+ .playback = {
+ .stream_name = "Compress Playback",
+ .channels_min = 1,
+ },
+};
+
+static const struct snd_soc_component_driver audio_dsp_component = {
+ .name = "audio-dsp",
+};
+
+static int dsp_audio_probe(struct platform_device *pdev)
+{
+ struct fsl_dsp_audio *dsp_audio;
+ int ret;
+
+ dsp_audio = devm_kzalloc(&pdev->dev, sizeof(*dsp_audio), GFP_KERNEL);
+ if (dsp_audio == NULL)
+ return -ENOMEM;
+
+ dev_dbg(&pdev->dev, "probing DSP device....\n");
+
+ /* initialise sof device */
+ dev_set_drvdata(&pdev->dev, dsp_audio);
+
+ /* No error out for old DTB cases but only mark the clock NULL */
+ dsp_audio->bus_clk = devm_clk_get(&pdev->dev, "bus");
+ if (IS_ERR(dsp_audio->bus_clk)) {
+ dev_err(&pdev->dev, "failed to get bus clock: %ld\n",
+ PTR_ERR(dsp_audio->bus_clk));
+ dsp_audio->bus_clk = NULL;
+ }
+
+ dsp_audio->m_clk = devm_clk_get(&pdev->dev, "mclk");
+ if (IS_ERR(dsp_audio->m_clk)) {
+ dev_err(&pdev->dev, "failed to get m clock: %ld\n",
+ PTR_ERR(dsp_audio->m_clk));
+ dsp_audio->m_clk = NULL;
+ }
+
+ pm_runtime_enable(&pdev->dev);
+
+ /* now register audio DSP platform driver */
+ ret = snd_soc_register_component(&pdev->dev, &audio_dsp_component,
+ &dsp_audio_dai, 1);
+ if (ret < 0) {
+ dev_err(&pdev->dev,
+ "error: failed to register DSP DAI driver %d\n", ret);
+ goto err;
+ }
+
+ return 0;
+
+err:
+ return ret;
+}
+
+static int dsp_audio_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_component(&pdev->dev);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int dsp_runtime_resume(struct device *dev)
+{
+ struct fsl_dsp_audio *dsp_audio = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_prepare_enable(dsp_audio->bus_clk);
+ if (ret) {
+ dev_err(dev, "failed to enable bus clock: %d\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(dsp_audio->m_clk);
+ if (ret) {
+ dev_err(dev, "failed to enable m clock: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int dsp_runtime_suspend(struct device *dev)
+{
+ struct fsl_dsp_audio *dsp_audio = dev_get_drvdata(dev);
+
+ clk_disable_unprepare(dsp_audio->m_clk);
+ clk_disable_unprepare(dsp_audio->bus_clk);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops dsp_pm_ops = {
+ SET_RUNTIME_PM_OPS(dsp_runtime_suspend,
+ dsp_runtime_resume,
+ NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+static const struct of_device_id dsp_audio_ids[] = {
+ { .compatible = "fsl,dsp-audio"},
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, dsp_audio_ids);
+
+static struct platform_driver dsp_audio_driver = {
+ .driver = {
+ .name = "dsp-audio",
+ .of_match_table = dsp_audio_ids,
+ .pm = &dsp_pm_ops,
+ },
+ .probe = dsp_audio_probe,
+ .remove = dsp_audio_remove,
+};
+module_platform_driver(dsp_audio_driver);
diff --git a/sound/soc/fsl/fsl_dsp_cpu.h b/sound/soc/fsl/fsl_dsp_cpu.h
new file mode 100644
index 0000000000000000000000000000000000000000..ef2813868be8ad037115c7292a160f2783493399
--- /dev/null
+++ b/sound/soc/fsl/fsl_dsp_cpu.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * DSP Audio DAI header
+ *
+ * Copyright 2018 NXP
+ */
+
+#ifndef __FSL_DSP_CPU_H
+#define __FSL_DSP_CPU_H
+
+struct fsl_dsp_audio {
+ struct platform_device *pdev;
+ struct clk *bus_clk;
+ struct clk *m_clk;
+};
+
+#endif /*__FSL_DSP_CPU_H*/
+