ASoC: remove zte zx drivers

The zte zx platform is getting removed, so this driver is no
longer needed.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210120162553.21666-3-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

5 files changed, 0 insertions, 1303 deletions

diff --git a/sound/soc/zte/Kconfig b/sound/soc/zte/Kconfig
deleted file mode 100644
index a23d4f13ca19..000000000000
--- a/sound/soc/zte/Kconfig
+++ /dev/null
@@ -1,26 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-config ZX_SPDIF
-	tristate "ZTE ZX SPDIF Driver Support"
-	depends on ARCH_ZX || COMPILE_TEST
-	depends on COMMON_CLK
-	select SND_SOC_GENERIC_DMAENGINE_PCM
-	help
-	  Say Y or M if you want to add support for codecs attached to the
-	  ZTE ZX SPDIF interface
-
-config ZX_I2S
-	tristate "ZTE ZX I2S Driver Support"
-	depends on ARCH_ZX || COMPILE_TEST
-	depends on COMMON_CLK
-	select SND_SOC_GENERIC_DMAENGINE_PCM
-	help
-	  Say Y or M if you want to add support for codecs attached to the
-	  ZTE ZX I2S interface
-
-config ZX_TDM
-	tristate "ZTE ZX TDM Driver Support"
-	depends on COMMON_CLK
-	select SND_SOC_GENERIC_DMAENGINE_PCM
-	help
-	  Say Y or M if you want to add support for codecs attached to the
-	  ZTE ZX TDM interface
diff --git a/sound/soc/zte/Makefile b/sound/soc/zte/Makefile
deleted file mode 100644
index 2f7cdefa42df..000000000000
--- a/sound/soc/zte/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_ZX_SPDIF)	+= zx-spdif.o
-obj-$(CONFIG_ZX_I2S)	+= zx-i2s.o
-obj-$(CONFIG_ZX_TDM)	+= zx-tdm.o
diff --git a/sound/soc/zte/zx-i2s.c b/sound/soc/zte/zx-i2s.c
deleted file mode 100644
index 1c1a44e08a67..000000000000
--- a/sound/soc/zte/zx-i2s.c
+++ /dev/null
@@ -1,452 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2015 Linaro
- *
- * Author: Jun Nie <jun.nie@linaro.org>
- */
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dai.h>
-
-#include <sound/core.h>
-#include <sound/dmaengine_pcm.h>
-#include <sound/initval.h>
-
-#define ZX_I2S_PROCESS_CTRL	0x04
-#define ZX_I2S_TIMING_CTRL	0x08
-#define	ZX_I2S_FIFO_CTRL	0x0C
-#define	ZX_I2S_FIFO_STATUS	0x10
-#define ZX_I2S_INT_EN		0x14
-#define ZX_I2S_INT_STATUS	0x18
-#define ZX_I2S_DATA		0x1C
-#define ZX_I2S_FRAME_CNTR	0x20
-
-#define I2S_DEAGULT_FIFO_THRES	(0x10)
-#define I2S_MAX_FIFO_THRES	(0x20)
-
-#define ZX_I2S_PROCESS_TX_EN	(1 << 0)
-#define ZX_I2S_PROCESS_TX_DIS	(0 << 0)
-#define ZX_I2S_PROCESS_RX_EN	(1 << 1)
-#define ZX_I2S_PROCESS_RX_DIS	(0 << 1)
-#define ZX_I2S_PROCESS_I2S_EN	(1 << 2)
-#define ZX_I2S_PROCESS_I2S_DIS	(0 << 2)
-
-#define ZX_I2S_TIMING_MAST		(1 << 0)
-#define ZX_I2S_TIMING_SLAVE		(0 << 0)
-#define ZX_I2S_TIMING_MS_MASK		(1 << 0)
-#define ZX_I2S_TIMING_LOOP		(1 << 1)
-#define ZX_I2S_TIMING_NOR		(0 << 1)
-#define ZX_I2S_TIMING_LOOP_MASK		(1 << 1)
-#define ZX_I2S_TIMING_PTNR		(1 << 2)
-#define ZX_I2S_TIMING_NTPR		(0 << 2)
-#define ZX_I2S_TIMING_PHASE_MASK	(1 << 2)
-#define ZX_I2S_TIMING_TDM		(1 << 3)
-#define ZX_I2S_TIMING_I2S		(0 << 3)
-#define ZX_I2S_TIMING_TIMING_MASK	(1 << 3)
-#define ZX_I2S_TIMING_LONG_SYNC		(1 << 4)
-#define ZX_I2S_TIMING_SHORT_SYNC	(0 << 4)
-#define ZX_I2S_TIMING_SYNC_MASK		(1 << 4)
-#define ZX_I2S_TIMING_TEAK_EN		(1 << 5)
-#define ZX_I2S_TIMING_TEAK_DIS		(0 << 5)
-#define ZX_I2S_TIMING_TEAK_MASK		(1 << 5)
-#define ZX_I2S_TIMING_STD_I2S		(0 << 6)
-#define ZX_I2S_TIMING_MSB_JUSTIF	(1 << 6)
-#define ZX_I2S_TIMING_LSB_JUSTIF	(2 << 6)
-#define ZX_I2S_TIMING_ALIGN_MASK	(3 << 6)
-#define ZX_I2S_TIMING_CHN_MASK		(7 << 8)
-#define ZX_I2S_TIMING_CHN(x)		((x - 1) << 8)
-#define ZX_I2S_TIMING_LANE_MASK		(3 << 11)
-#define ZX_I2S_TIMING_LANE(x)		((x - 1) << 11)
-#define ZX_I2S_TIMING_TSCFG_MASK	(7 << 13)
-#define ZX_I2S_TIMING_TSCFG(x)		(x << 13)
-#define ZX_I2S_TIMING_TS_WIDTH_MASK	(0x1f << 16)
-#define ZX_I2S_TIMING_TS_WIDTH(x)	((x - 1) << 16)
-#define ZX_I2S_TIMING_DATA_SIZE_MASK	(0x1f << 21)
-#define ZX_I2S_TIMING_DATA_SIZE(x)	((x - 1) << 21)
-#define ZX_I2S_TIMING_CFG_ERR_MASK	(1 << 31)
-
-#define ZX_I2S_FIFO_CTRL_TX_RST		(1 << 0)
-#define ZX_I2S_FIFO_CTRL_TX_RST_MASK	(1 << 0)
-#define ZX_I2S_FIFO_CTRL_RX_RST		(1 << 1)
-#define ZX_I2S_FIFO_CTRL_RX_RST_MASK	(1 << 1)
-#define ZX_I2S_FIFO_CTRL_TX_DMA_EN	(1 << 4)
-#define ZX_I2S_FIFO_CTRL_TX_DMA_DIS	(0 << 4)
-#define ZX_I2S_FIFO_CTRL_TX_DMA_MASK	(1 << 4)
-#define ZX_I2S_FIFO_CTRL_RX_DMA_EN	(1 << 5)
-#define ZX_I2S_FIFO_CTRL_RX_DMA_DIS	(0 << 5)
-#define ZX_I2S_FIFO_CTRL_RX_DMA_MASK	(1 << 5)
-#define ZX_I2S_FIFO_CTRL_TX_THRES_MASK	(0x1F << 8)
-#define ZX_I2S_FIFO_CTRL_RX_THRES_MASK	(0x1F << 16)
-
-#define CLK_RAT (32 * 4)
-
-struct zx_i2s_info {
-	struct snd_dmaengine_dai_dma_data	dma_playback;
-	struct snd_dmaengine_dai_dma_data	dma_capture;
-	struct clk				*dai_wclk;
-	struct clk				*dai_pclk;
-	void __iomem				*reg_base;
-	int					master;
-	resource_size_t				mapbase;
-};
-
-static void zx_i2s_tx_en(void __iomem *base, bool on)
-{
-	unsigned long val;
-
-	val = readl_relaxed(base + ZX_I2S_PROCESS_CTRL);
-	if (on)
-		val |= ZX_I2S_PROCESS_TX_EN | ZX_I2S_PROCESS_I2S_EN;
-	else
-		val &= ~(ZX_I2S_PROCESS_TX_EN | ZX_I2S_PROCESS_I2S_EN);
-	writel_relaxed(val, base + ZX_I2S_PROCESS_CTRL);
-}
-
-static void zx_i2s_rx_en(void __iomem *base, bool on)
-{
-	unsigned long val;
-
-	val = readl_relaxed(base + ZX_I2S_PROCESS_CTRL);
-	if (on)
-		val |= ZX_I2S_PROCESS_RX_EN | ZX_I2S_PROCESS_I2S_EN;
-	else
-		val &= ~(ZX_I2S_PROCESS_RX_EN | ZX_I2S_PROCESS_I2S_EN);
-	writel_relaxed(val, base + ZX_I2S_PROCESS_CTRL);
-}
-
-static void zx_i2s_tx_dma_en(void __iomem *base, bool on)
-{
-	unsigned long val;
-
-	val = readl_relaxed(base + ZX_I2S_FIFO_CTRL);
-	val |= ZX_I2S_FIFO_CTRL_TX_RST | (I2S_DEAGULT_FIFO_THRES << 8);
-	if (on)
-		val |= ZX_I2S_FIFO_CTRL_TX_DMA_EN;
-	else
-		val &= ~ZX_I2S_FIFO_CTRL_TX_DMA_EN;
-	writel_relaxed(val, base + ZX_I2S_FIFO_CTRL);
-}
-
-static void zx_i2s_rx_dma_en(void __iomem *base, bool on)
-{
-	unsigned long val;
-
-	val = readl_relaxed(base + ZX_I2S_FIFO_CTRL);
-	val |= ZX_I2S_FIFO_CTRL_RX_RST | (I2S_DEAGULT_FIFO_THRES << 16);
-	if (on)
-		val |= ZX_I2S_FIFO_CTRL_RX_DMA_EN;
-	else
-		val &= ~ZX_I2S_FIFO_CTRL_RX_DMA_EN;
-	writel_relaxed(val, base + ZX_I2S_FIFO_CTRL);
-}
-
-#define ZX_I2S_RATES \
-	(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
-	 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
-	 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000| \
-	 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
-
-#define ZX_I2S_FMTBIT \
-	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
-	SNDRV_PCM_FMTBIT_S32_LE)
-
-static int zx_i2s_dai_probe(struct snd_soc_dai *dai)
-{
-	struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev);
-
-	snd_soc_dai_set_drvdata(dai, zx_i2s);
-	zx_i2s->dma_playback.addr = zx_i2s->mapbase + ZX_I2S_DATA;
-	zx_i2s->dma_playback.maxburst = 16;
-	zx_i2s->dma_capture.addr = zx_i2s->mapbase + ZX_I2S_DATA;
-	zx_i2s->dma_capture.maxburst = 16;
-	snd_soc_dai_init_dma_data(dai, &zx_i2s->dma_playback,
-				  &zx_i2s->dma_capture);
-	return 0;
-}
-
-static int zx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
-{
-	struct zx_i2s_info *i2s = snd_soc_dai_get_drvdata(cpu_dai);
-	unsigned long val;
-
-	val = readl_relaxed(i2s->reg_base + ZX_I2S_TIMING_CTRL);
-	val &= ~(ZX_I2S_TIMING_TIMING_MASK | ZX_I2S_TIMING_ALIGN_MASK |
-			ZX_I2S_TIMING_TEAK_MASK | ZX_I2S_TIMING_SYNC_MASK |
-			ZX_I2S_TIMING_MS_MASK);
-
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
-		val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_STD_I2S);
-		break;
-	case SND_SOC_DAIFMT_LEFT_J:
-		val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_MSB_JUSTIF);
-		break;
-	case SND_SOC_DAIFMT_RIGHT_J:
-		val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_LSB_JUSTIF);
-		break;
-	default:
-		dev_err(cpu_dai->dev, "Unknown i2s timing\n");
-		return -EINVAL;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
-		/* Codec is master, and I2S is slave. */
-		i2s->master = 0;
-		val |= ZX_I2S_TIMING_SLAVE;
-		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
-		/* Codec is slave, and I2S is master. */
-		i2s->master = 1;
-		val |= ZX_I2S_TIMING_MAST;
-		break;
-	default:
-		dev_err(cpu_dai->dev, "Unknown master/slave format\n");
-		return -EINVAL;
-	}
-
-	writel_relaxed(val, i2s->reg_base + ZX_I2S_TIMING_CTRL);
-	return 0;
-}
-
-static int zx_i2s_hw_params(struct snd_pcm_substream *substream,
-			    struct snd_pcm_hw_params *params,
-			    struct snd_soc_dai *socdai)
-{
-	struct zx_i2s_info *i2s = snd_soc_dai_get_drvdata(socdai);
-	struct snd_dmaengine_dai_dma_data *dma_data;
-	unsigned int lane, ch_num, len, ret = 0;
-	unsigned int ts_width = 32;
-	unsigned long val;
-	unsigned long chn_cfg;
-
-	dma_data = snd_soc_dai_get_dma_data(socdai, substream);
-	dma_data->addr_width = ts_width >> 3;
-
-	val = readl_relaxed(i2s->reg_base + ZX_I2S_TIMING_CTRL);
-	val &= ~(ZX_I2S_TIMING_TS_WIDTH_MASK | ZX_I2S_TIMING_DATA_SIZE_MASK |
-		ZX_I2S_TIMING_LANE_MASK | ZX_I2S_TIMING_CHN_MASK |
-		ZX_I2S_TIMING_TSCFG_MASK);
-
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		len = 16;
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		len = 24;
-		break;
-	case SNDRV_PCM_FORMAT_S32_LE:
-		len = 32;
-		break;
-	default:
-		dev_err(socdai->dev, "Unknown data format\n");
-		return -EINVAL;
-	}
-	val |= ZX_I2S_TIMING_TS_WIDTH(ts_width) | ZX_I2S_TIMING_DATA_SIZE(len);
-
-	ch_num = params_channels(params);
-	switch (ch_num) {
-	case 1:
-		lane = 1;
-		chn_cfg = 2;
-		break;
-	case 2:
-	case 4:
-	case 6:
-	case 8:
-		lane = ch_num / 2;
-		chn_cfg = 3;
-		break;
-	default:
-		dev_err(socdai->dev, "Not support channel num %d\n", ch_num);
-		return -EINVAL;
-	}
-	val |= ZX_I2S_TIMING_LANE(lane);
-	val |= ZX_I2S_TIMING_TSCFG(chn_cfg);
-	val |= ZX_I2S_TIMING_CHN(ch_num);
-	writel_relaxed(val, i2s->reg_base + ZX_I2S_TIMING_CTRL);
-
-	if (i2s->master)
-		ret = clk_set_rate(i2s->dai_wclk,
-				params_rate(params) * ch_num * CLK_RAT);
-
-	return ret;
-}
-
-static int zx_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
-			  struct snd_soc_dai *dai)
-{
-	struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev);
-	int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
-	int ret = 0;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		if (capture)
-			zx_i2s_rx_dma_en(zx_i2s->reg_base, true);
-		else
-			zx_i2s_tx_dma_en(zx_i2s->reg_base, true);
-		fallthrough;
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		if (capture)
-			zx_i2s_rx_en(zx_i2s->reg_base, true);
-		else
-			zx_i2s_tx_en(zx_i2s->reg_base, true);
-		break;
-
-	case SNDRV_PCM_TRIGGER_STOP:
-		if (capture)
-			zx_i2s_rx_dma_en(zx_i2s->reg_base, false);
-		else
-			zx_i2s_tx_dma_en(zx_i2s->reg_base, false);
-		fallthrough;
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (capture)
-			zx_i2s_rx_en(zx_i2s->reg_base, false);
-		else
-			zx_i2s_tx_en(zx_i2s->reg_base, false);
-		break;
-
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static int zx_i2s_startup(struct snd_pcm_substream *substream,
-			  struct snd_soc_dai *dai)
-{
-	struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev);
-	int ret;
-
-	ret = clk_prepare_enable(zx_i2s->dai_wclk);
-	if (ret)
-		return ret;
-
-	ret = clk_prepare_enable(zx_i2s->dai_pclk);
-	if (ret) {
-		clk_disable_unprepare(zx_i2s->dai_wclk);
-		return ret;
-	}
-
-	return ret;
-}
-
-static void zx_i2s_shutdown(struct snd_pcm_substream *substream,
-			    struct snd_soc_dai *dai)
-{
-	struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev);
-
-	clk_disable_unprepare(zx_i2s->dai_wclk);
-	clk_disable_unprepare(zx_i2s->dai_pclk);
-}
-
-static const struct snd_soc_dai_ops zx_i2s_dai_ops = {
-	.trigger	= zx_i2s_trigger,
-	.hw_params	= zx_i2s_hw_params,
-	.set_fmt	= zx_i2s_set_fmt,
-	.startup	= zx_i2s_startup,
-	.shutdown	= zx_i2s_shutdown,
-};
-
-static const struct snd_soc_component_driver zx_i2s_component = {
-	.name			= "zx-i2s",
-};
-
-static struct snd_soc_dai_driver zx_i2s_dai = {
-	.name	= "zx-i2s-dai",
-	.id	= 0,
-	.probe	= zx_i2s_dai_probe,
-	.playback   = {
-		.channels_min	= 1,
-		.channels_max	= 8,
-		.rates		= ZX_I2S_RATES,
-		.formats	= ZX_I2S_FMTBIT,
-	},
-	.capture = {
-		.channels_min	= 1,
-		.channels_max	= 2,
-		.rates		= ZX_I2S_RATES,
-		.formats	= ZX_I2S_FMTBIT,
-	},
-	.ops	= &zx_i2s_dai_ops,
-};
-
-static int zx_i2s_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct zx_i2s_info *zx_i2s;
-	int ret;
-
-	zx_i2s = devm_kzalloc(&pdev->dev, sizeof(*zx_i2s), GFP_KERNEL);
-	if (!zx_i2s)
-		return -ENOMEM;
-
-	zx_i2s->dai_wclk = devm_clk_get(&pdev->dev, "wclk");
-	if (IS_ERR(zx_i2s->dai_wclk)) {
-		dev_err(&pdev->dev, "Fail to get wclk\n");
-		return PTR_ERR(zx_i2s->dai_wclk);
-	}
-
-	zx_i2s->dai_pclk = devm_clk_get(&pdev->dev, "pclk");
-	if (IS_ERR(zx_i2s->dai_pclk)) {
-		dev_err(&pdev->dev, "Fail to get pclk\n");
-		return PTR_ERR(zx_i2s->dai_pclk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	zx_i2s->mapbase = res->start;
-	zx_i2s->reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(zx_i2s->reg_base)) {
-		dev_err(&pdev->dev, "ioremap failed!\n");
-		return PTR_ERR(zx_i2s->reg_base);
-	}
-
-	writel_relaxed(0, zx_i2s->reg_base + ZX_I2S_FIFO_CTRL);
-	platform_set_drvdata(pdev, zx_i2s);
-
-	ret = devm_snd_soc_register_component(&pdev->dev, &zx_i2s_component,
-					      &zx_i2s_dai, 1);
-	if (ret) {
-		dev_err(&pdev->dev, "Register DAI failed: %d\n", ret);
-		return ret;
-	}
-
-	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
-	if (ret)
-		dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret);
-
-	return ret;
-}
-
-static const struct of_device_id zx_i2s_dt_ids[] = {
-	{ .compatible = "zte,zx296702-i2s", },
-	{}
-};
-MODULE_DEVICE_TABLE(of, zx_i2s_dt_ids);
-
-static struct platform_driver i2s_driver = {
-	.probe = zx_i2s_probe,
-	.driver = {
-		.name = "zx-i2s",
-		.of_match_table = zx_i2s_dt_ids,
-	},
-};
-
-module_platform_driver(i2s_driver);
-
-MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>");
-MODULE_DESCRIPTION("ZTE I2S SoC DAI");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/zte/zx-spdif.c b/sound/soc/zte/zx-spdif.c
deleted file mode 100644
index b4168bd532b7..000000000000
--- a/sound/soc/zte/zx-spdif.c
+++ /dev/null
@@ -1,363 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2015 Linaro
- *
- * Author: Jun Nie <jun.nie@linaro.org>
- */
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/dmaengine.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <sound/asoundef.h>
-#include <sound/core.h>
-#include <sound/dmaengine_pcm.h>
-#include <sound/initval.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dai.h>
-
-#define ZX_CTRL				0x04
-#define ZX_FIFOCTRL			0x08
-#define ZX_INT_STATUS			0x10
-#define ZX_INT_MASK			0x14
-#define ZX_DATA				0x18
-#define ZX_VALID_BIT			0x1c
-#define ZX_CH_STA_1			0x20
-#define ZX_CH_STA_2			0x24
-#define ZX_CH_STA_3			0x28
-#define ZX_CH_STA_4			0x2c
-#define ZX_CH_STA_5			0x30
-#define ZX_CH_STA_6			0x34
-
-#define ZX_CTRL_MODA_16			(0 << 6)
-#define ZX_CTRL_MODA_18			BIT(6)
-#define ZX_CTRL_MODA_20			(2 << 6)
-#define ZX_CTRL_MODA_24			(3 << 6)
-#define ZX_CTRL_MODA_MASK		(3 << 6)
-
-#define ZX_CTRL_ENB			BIT(4)
-#define ZX_CTRL_DNB			(0 << 4)
-#define ZX_CTRL_ENB_MASK		BIT(4)
-
-#define ZX_CTRL_TX_OPEN			BIT(0)
-#define ZX_CTRL_TX_CLOSE		(0 << 0)
-#define ZX_CTRL_TX_MASK			BIT(0)
-
-#define ZX_CTRL_OPEN			(ZX_CTRL_TX_OPEN | ZX_CTRL_ENB)
-#define ZX_CTRL_CLOSE			(ZX_CTRL_TX_CLOSE | ZX_CTRL_DNB)
-
-#define ZX_CTRL_DOUBLE_TRACK		(0 << 8)
-#define ZX_CTRL_LEFT_TRACK		BIT(8)
-#define ZX_CTRL_RIGHT_TRACK		(2 << 8)
-#define ZX_CTRL_TRACK_MASK		(3 << 8)
-
-#define ZX_FIFOCTRL_TXTH_MASK		(0x1f << 8)
-#define ZX_FIFOCTRL_TXTH(x)		(x << 8)
-#define ZX_FIFOCTRL_TX_DMA_EN		BIT(2)
-#define ZX_FIFOCTRL_TX_DMA_DIS		(0 << 2)
-#define ZX_FIFOCTRL_TX_DMA_EN_MASK	BIT(2)
-#define ZX_FIFOCTRL_TX_FIFO_RST		BIT(0)
-#define ZX_FIFOCTRL_TX_FIFO_RST_MASK	BIT(0)
-
-#define ZX_VALID_DOUBLE_TRACK		(0 << 0)
-#define ZX_VALID_LEFT_TRACK		BIT(1)
-#define ZX_VALID_RIGHT_TRACK		(2 << 0)
-#define ZX_VALID_TRACK_MASK		(3 << 0)
-
-#define ZX_SPDIF_CLK_RAT		(2 * 32)
-
-struct zx_spdif_info {
-	struct snd_dmaengine_dai_dma_data	dma_data;
-	struct clk				*dai_clk;
-	void __iomem				*reg_base;
-	resource_size_t				mapbase;
-};
-
-static int zx_spdif_dai_probe(struct snd_soc_dai *dai)
-{
-	struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev);
-
-	snd_soc_dai_set_drvdata(dai, zx_spdif);
-	zx_spdif->dma_data.addr = zx_spdif->mapbase + ZX_DATA;
-	zx_spdif->dma_data.maxburst = 8;
-	snd_soc_dai_init_dma_data(dai, &zx_spdif->dma_data, NULL);
-	return 0;
-}
-
-static int zx_spdif_chanstats(void __iomem *base, unsigned int rate)
-{
-	u32 cstas1;
-
-	switch (rate) {
-	case 22050:
-		cstas1 = IEC958_AES3_CON_FS_22050;
-		break;
-	case 24000:
-		cstas1 = IEC958_AES3_CON_FS_24000;
-		break;
-	case 32000:
-		cstas1 = IEC958_AES3_CON_FS_32000;
-		break;
-	case 44100:
-		cstas1 = IEC958_AES3_CON_FS_44100;
-		break;
-	case 48000:
-		cstas1 = IEC958_AES3_CON_FS_48000;
-		break;
-	case 88200:
-		cstas1 = IEC958_AES3_CON_FS_88200;
-		break;
-	case 96000:
-		cstas1 = IEC958_AES3_CON_FS_96000;
-		break;
-	case 176400:
-		cstas1 = IEC958_AES3_CON_FS_176400;
-		break;
-	case 192000:
-		cstas1 = IEC958_AES3_CON_FS_192000;
-		break;
-	default:
-		return -EINVAL;
-	}
-	cstas1 = cstas1 << 24;
-	cstas1 |= IEC958_AES0_CON_NOT_COPYRIGHT;
-
-	writel_relaxed(cstas1, base + ZX_CH_STA_1);
-	return 0;
-}
-
-static int zx_spdif_hw_params(struct snd_pcm_substream *substream,
-			      struct snd_pcm_hw_params *params,
-			      struct snd_soc_dai *socdai)
-{
-	struct zx_spdif_info *zx_spdif = dev_get_drvdata(socdai->dev);
-	struct zx_spdif_info *spdif = snd_soc_dai_get_drvdata(socdai);
-	struct snd_dmaengine_dai_dma_data *dma_data =
-		snd_soc_dai_get_dma_data(socdai, substream);
-	u32 val, ch_num, rate;
-	int ret;
-
-	dma_data->addr_width = params_width(params) >> 3;
-
-	val = readl_relaxed(zx_spdif->reg_base + ZX_CTRL);
-	val &= ~ZX_CTRL_MODA_MASK;
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		val |= ZX_CTRL_MODA_16;
-		break;
-
-	case SNDRV_PCM_FORMAT_S18_3LE:
-		val |= ZX_CTRL_MODA_18;
-		break;
-
-	case SNDRV_PCM_FORMAT_S20_3LE:
-		val |= ZX_CTRL_MODA_20;
-		break;
-
-	case SNDRV_PCM_FORMAT_S24_LE:
-		val |= ZX_CTRL_MODA_24;
-		break;
-	default:
-		dev_err(socdai->dev, "Format not support!\n");
-		return -EINVAL;
-	}
-
-	ch_num = params_channels(params);
-	if (ch_num == 2)
-		val |= ZX_CTRL_DOUBLE_TRACK;
-	else
-		val |= ZX_CTRL_LEFT_TRACK;
-	writel_relaxed(val, zx_spdif->reg_base + ZX_CTRL);
-
-	val = readl_relaxed(zx_spdif->reg_base + ZX_VALID_BIT);
-	val &= ~ZX_VALID_TRACK_MASK;
-	if (ch_num == 2)
-		val |= ZX_VALID_DOUBLE_TRACK;
-	else
-		val |= ZX_VALID_RIGHT_TRACK;
-	writel_relaxed(val, zx_spdif->reg_base + ZX_VALID_BIT);
-
-	rate = params_rate(params);
-	ret = zx_spdif_chanstats(zx_spdif->reg_base, rate);
-	if (ret)
-		return ret;
-	return clk_set_rate(spdif->dai_clk, rate * ch_num * ZX_SPDIF_CLK_RAT);
-}
-
-static void zx_spdif_cfg_tx(void __iomem *base, int on)
-{
-	u32 val;
-
-	val = readl_relaxed(base + ZX_CTRL);
-	val &= ~(ZX_CTRL_ENB_MASK | ZX_CTRL_TX_MASK);
-	val |= on ? ZX_CTRL_OPEN : ZX_CTRL_CLOSE;
-	writel_relaxed(val, base + ZX_CTRL);
-
-	val = readl_relaxed(base + ZX_FIFOCTRL);
-	val &= ~ZX_FIFOCTRL_TX_DMA_EN_MASK;
-	if (on)
-		val |= ZX_FIFOCTRL_TX_DMA_EN;
-	writel_relaxed(val, base + ZX_FIFOCTRL);
-}
-
-static int zx_spdif_trigger(struct snd_pcm_substream *substream, int cmd,
-			    struct snd_soc_dai *dai)
-{
-	u32 val;
-	struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev);
-	int  ret = 0;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		val = readl_relaxed(zx_spdif->reg_base + ZX_FIFOCTRL);
-		val |= ZX_FIFOCTRL_TX_FIFO_RST;
-		writel_relaxed(val, zx_spdif->reg_base + ZX_FIFOCTRL);
-		fallthrough;
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		zx_spdif_cfg_tx(zx_spdif->reg_base, true);
-		break;
-
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		zx_spdif_cfg_tx(zx_spdif->reg_base, false);
-		break;
-
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static int zx_spdif_startup(struct snd_pcm_substream *substream,
-			    struct snd_soc_dai *dai)
-{
-	struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev);
-
-	return clk_prepare_enable(zx_spdif->dai_clk);
-}
-
-static void zx_spdif_shutdown(struct snd_pcm_substream *substream,
-			      struct snd_soc_dai *dai)
-{
-	struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev);
-
-	clk_disable_unprepare(zx_spdif->dai_clk);
-}
-
-#define ZX_RATES \
-	(SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
-	SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |\
-	SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
-
-#define ZX_FORMAT \
-	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE \
-	| SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
-
-static const struct snd_soc_dai_ops zx_spdif_dai_ops = {
-	.trigger	= zx_spdif_trigger,
-	.startup	= zx_spdif_startup,
-	.shutdown	= zx_spdif_shutdown,
-	.hw_params	= zx_spdif_hw_params,
-};
-
-static struct snd_soc_dai_driver zx_spdif_dai = {
-	.name = "spdif",
-	.id = 0,
-	.probe = zx_spdif_dai_probe,
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 2,
-		.rates = ZX_RATES,
-		.formats = ZX_FORMAT,
-	},
-	.ops = &zx_spdif_dai_ops,
-};
-
-static const struct snd_soc_component_driver zx_spdif_component = {
-	.name	= "spdif",
-};
-
-static void zx_spdif_dev_init(void __iomem *base)
-{
-	u32 val;
-
-	writel_relaxed(0, base + ZX_CTRL);
-	writel_relaxed(0, base + ZX_INT_MASK);
-	writel_relaxed(0xf, base + ZX_INT_STATUS);
-	writel_relaxed(0x1, base + ZX_FIFOCTRL);
-
-	val = readl_relaxed(base + ZX_FIFOCTRL);
-	val &= ~(ZX_FIFOCTRL_TXTH_MASK | ZX_FIFOCTRL_TX_FIFO_RST_MASK);
-	val |= ZX_FIFOCTRL_TXTH(8);
-	writel_relaxed(val, base + ZX_FIFOCTRL);
-}
-
-static int zx_spdif_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct zx_spdif_info *zx_spdif;
-	int ret;
-
-	zx_spdif = devm_kzalloc(&pdev->dev, sizeof(*zx_spdif), GFP_KERNEL);
-	if (!zx_spdif)
-		return -ENOMEM;
-
-	zx_spdif->dai_clk = devm_clk_get(&pdev->dev, "tx");
-	if (IS_ERR(zx_spdif->dai_clk)) {
-		dev_err(&pdev->dev, "Fail to get clk\n");
-		return PTR_ERR(zx_spdif->dai_clk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	zx_spdif->mapbase = res->start;
-	zx_spdif->reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(zx_spdif->reg_base)) {
-		return PTR_ERR(zx_spdif->reg_base);
-	}
-
-	zx_spdif_dev_init(zx_spdif->reg_base);
-	platform_set_drvdata(pdev, zx_spdif);
-
-	ret = devm_snd_soc_register_component(&pdev->dev, &zx_spdif_component,
-					 &zx_spdif_dai, 1);
-	if (ret) {
-		dev_err(&pdev->dev, "Register DAI failed: %d\n", ret);
-		return ret;
-	}
-
-	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
-	if (ret)
-		dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret);
-
-	return ret;
-}
-
-static const struct of_device_id zx_spdif_dt_ids[] = {
-	{ .compatible = "zte,zx296702-spdif", },
-	{}
-};
-MODULE_DEVICE_TABLE(of, zx_spdif_dt_ids);
-
-static struct platform_driver spdif_driver = {
-	.probe = zx_spdif_probe,
-	.driver = {
-		.name = "zx-spdif",
-		.of_match_table = zx_spdif_dt_ids,
-	},
-};
-
-module_platform_driver(spdif_driver);
-
-MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>");
-MODULE_DESCRIPTION("ZTE SPDIF SoC DAI");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/zte/zx-tdm.c b/sound/soc/zte/zx-tdm.c
deleted file mode 100644
index 4f787185d630..000000000000
--- a/sound/soc/zte/zx-tdm.c
+++ /dev/null
@@ -1,458 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ZTE's TDM driver
- *
- * Copyright (C) 2017 ZTE Ltd
- *
- * Author: Baoyou Xie <baoyou.xie@linaro.org>
- */
-
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <sound/dmaengine_pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dai.h>
-
-#define	REG_TIMING_CTRL		0x04
-#define	REG_TX_FIFO_CTRL	0x0C
-#define	REG_RX_FIFO_CTRL	0x10
-#define REG_INT_EN		0x1C
-#define REG_INT_STATUS		0x20
-#define REG_DATABUF		0x24
-#define REG_TS_MASK0		0x44
-#define REG_PROCESS_CTRL	0x54
-
-#define FIFO_CTRL_TX_RST	BIT(0)
-#define FIFO_CTRL_RX_RST	BIT(0)
-#define DEAGULT_FIFO_THRES	GENMASK(4, 2)
-
-#define FIFO_CTRL_TX_DMA_EN	BIT(1)
-#define FIFO_CTRL_RX_DMA_EN	BIT(1)
-
-#define TX_FIFO_RST_MASK	BIT(0)
-#define RX_FIFO_RST_MASK	BIT(0)
-
-#define FIFOCTRL_TX_FIFO_RST	BIT(0)
-#define FIFOCTRL_RX_FIFO_RST	BIT(0)
-
-#define TXTH_MASK		GENMASK(5, 2)
-#define RXTH_MASK		GENMASK(5, 2)
-
-#define FIFOCTRL_THRESHOLD(x)	((x) << 2)
-
-#define TIMING_MS_MASK		BIT(1)
-/*
- * 00: 8 clk cycles every timeslot
- * 01: 16 clk cycles every timeslot
- * 10: 32 clk cycles every timeslot
- */
-#define TIMING_SYNC_WIDTH_MASK	GENMASK(6, 5)
-#define TIMING_WIDTH_SHIFT      5
-#define TIMING_DEFAULT_WIDTH    0
-#define TIMING_TS_WIDTH(x)	((x) << TIMING_WIDTH_SHIFT)
-#define TIMING_WIDTH_FACTOR     8
-
-#define TIMING_MASTER_MODE	BIT(21)
-#define TIMING_LSB_FIRST	BIT(20)
-#define TIMING_TS_NUM(x)	(((x) - 1) << 7)
-#define TIMING_CLK_SEL_MASK	GENMASK(2, 0)
-#define TIMING_CLK_SEL_DEF	BIT(2)
-
-#define PROCESS_TX_EN		BIT(0)
-#define PROCESS_RX_EN		BIT(1)
-#define PROCESS_TDM_EN		BIT(2)
-#define PROCESS_DISABLE_ALL	0
-
-#define INT_DISABLE_ALL		0
-#define INT_STATUS_MASK		GENMASK(6, 0)
-
-struct zx_tdm_info {
-	struct snd_dmaengine_dai_dma_data	dma_playback;
-	struct snd_dmaengine_dai_dma_data	dma_capture;
-	resource_size_t				phy_addr;
-	void __iomem				*regbase;
-	struct clk				*dai_wclk;
-	struct clk				*dai_pclk;
-	int					master;
-	struct device				*dev;
-};
-
-static inline u32 zx_tdm_readl(struct zx_tdm_info *tdm, u16 reg)
-{
-	return readl_relaxed(tdm->regbase + reg);
-}
-
-static inline void zx_tdm_writel(struct zx_tdm_info *tdm, u16 reg, u32 val)
-{
-	writel_relaxed(val, tdm->regbase + reg);
-}
-
-static void zx_tdm_tx_en(struct zx_tdm_info *tdm, bool on)
-{
-	unsigned long val;
-
-	val = zx_tdm_readl(tdm, REG_PROCESS_CTRL);
-	if (on)
-		val |= PROCESS_TX_EN | PROCESS_TDM_EN;
-	else
-		val &= ~(PROCESS_TX_EN | PROCESS_TDM_EN);
-	zx_tdm_writel(tdm, REG_PROCESS_CTRL, val);
-}
-
-static void zx_tdm_rx_en(struct zx_tdm_info *tdm, bool on)
-{
-	unsigned long val;
-
-	val = zx_tdm_readl(tdm, REG_PROCESS_CTRL);
-	if (on)
-		val |= PROCESS_RX_EN | PROCESS_TDM_EN;
-	else
-		val &= ~(PROCESS_RX_EN | PROCESS_TDM_EN);
-	zx_tdm_writel(tdm, REG_PROCESS_CTRL, val);
-}
-
-static void zx_tdm_tx_dma_en(struct zx_tdm_info *tdm, bool on)
-{
-	unsigned long val;
-
-	val = zx_tdm_readl(tdm, REG_TX_FIFO_CTRL);
-	val |= FIFO_CTRL_TX_RST | DEAGULT_FIFO_THRES;
-	if (on)
-		val |= FIFO_CTRL_TX_DMA_EN;
-	else
-		val &= ~FIFO_CTRL_TX_DMA_EN;
-	zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, val);
-}
-
-static void zx_tdm_rx_dma_en(struct zx_tdm_info *tdm, bool on)
-{
-	unsigned long val;
-
-	val = zx_tdm_readl(tdm, REG_RX_FIFO_CTRL);
-	val |= FIFO_CTRL_RX_RST | DEAGULT_FIFO_THRES;
-	if (on)
-		val |= FIFO_CTRL_RX_DMA_EN;
-	else
-		val &= ~FIFO_CTRL_RX_DMA_EN;
-	zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, val);
-}
-
-#define ZX_TDM_RATES	(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
-
-#define ZX_TDM_FMTBIT \
-	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_MU_LAW | \
-	SNDRV_PCM_FMTBIT_A_LAW)
-
-static int zx_tdm_dai_probe(struct snd_soc_dai *dai)
-{
-	struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev);
-
-	snd_soc_dai_set_drvdata(dai, zx_tdm);
-	zx_tdm->dma_playback.addr = zx_tdm->phy_addr + REG_DATABUF;
-	zx_tdm->dma_playback.maxburst = 16;
-	zx_tdm->dma_capture.addr = zx_tdm->phy_addr + REG_DATABUF;
-	zx_tdm->dma_capture.maxburst = 16;
-	snd_soc_dai_init_dma_data(dai, &zx_tdm->dma_playback,
-				  &zx_tdm->dma_capture);
-	return 0;
-}
-
-static int zx_tdm_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
-{
-	struct zx_tdm_info *tdm = snd_soc_dai_get_drvdata(cpu_dai);
-	unsigned long val;
-
-	val = zx_tdm_readl(tdm, REG_TIMING_CTRL);
-	val &= ~(TIMING_SYNC_WIDTH_MASK | TIMING_MS_MASK);
-	val |= TIMING_DEFAULT_WIDTH << TIMING_WIDTH_SHIFT;
-
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
-		tdm->master = 1;
-		val |= TIMING_MASTER_MODE;
-		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
-		tdm->master = 0;
-		val &= ~TIMING_MASTER_MODE;
-		break;
-	default:
-		dev_err(cpu_dai->dev, "Unknown master/slave format\n");
-		return -EINVAL;
-	}
-
-
-	zx_tdm_writel(tdm, REG_TIMING_CTRL, val);
-
-	return 0;
-}
-
-static int zx_tdm_hw_params(struct snd_pcm_substream *substream,
-			    struct snd_pcm_hw_params *params,
-			    struct snd_soc_dai *socdai)
-{
-	struct zx_tdm_info *tdm = snd_soc_dai_get_drvdata(socdai);
-	struct snd_dmaengine_dai_dma_data *dma_data;
-	unsigned int ts_width = TIMING_DEFAULT_WIDTH;
-	unsigned int ch_num = 32;
-	unsigned int mask = 0;
-	unsigned int ret = 0;
-	unsigned long val;
-
-	dma_data = snd_soc_dai_get_dma_data(socdai, substream);
-	dma_data->addr_width = ch_num >> 3;
-
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_MU_LAW:
-	case SNDRV_PCM_FORMAT_A_LAW:
-	case SNDRV_PCM_FORMAT_S16_LE:
-		ts_width = 1;
-		break;
-	default:
-		dev_err(socdai->dev, "Unknown data format\n");
-		return -EINVAL;
-	}
-
-	val = zx_tdm_readl(tdm, REG_TIMING_CTRL);
-	val |= TIMING_TS_WIDTH(ts_width) | TIMING_TS_NUM(1);
-	zx_tdm_writel(tdm, REG_TIMING_CTRL, val);
-	zx_tdm_writel(tdm, REG_TS_MASK0, mask);
-
-	if (tdm->master)
-		ret = clk_set_rate(tdm->dai_wclk,
-			params_rate(params) * TIMING_WIDTH_FACTOR * ch_num);
-
-	return ret;
-}
-
-static int zx_tdm_trigger(struct snd_pcm_substream *substream, int cmd,
-			  struct snd_soc_dai *dai)
-{
-	int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
-	struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev);
-	unsigned int val;
-	int ret = 0;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-		if (capture) {
-			val = zx_tdm_readl(zx_tdm, REG_RX_FIFO_CTRL);
-			val |= FIFOCTRL_RX_FIFO_RST;
-			zx_tdm_writel(zx_tdm, REG_RX_FIFO_CTRL, val);
-
-			zx_tdm_rx_dma_en(zx_tdm, true);
-		} else {
-			val = zx_tdm_readl(zx_tdm, REG_TX_FIFO_CTRL);
-			val |= FIFOCTRL_TX_FIFO_RST;
-			zx_tdm_writel(zx_tdm, REG_TX_FIFO_CTRL, val);
-
-			zx_tdm_tx_dma_en(zx_tdm, true);
-		}
-		break;
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		if (capture)
-			zx_tdm_rx_en(zx_tdm, true);
-		else
-			zx_tdm_tx_en(zx_tdm, true);
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-		if (capture)
-			zx_tdm_rx_dma_en(zx_tdm, false);
-		else
-			zx_tdm_tx_dma_en(zx_tdm, false);
-		break;
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (capture)
-			zx_tdm_rx_en(zx_tdm, false);
-		else
-			zx_tdm_tx_en(zx_tdm, false);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static int zx_tdm_startup(struct snd_pcm_substream *substream,
-			  struct snd_soc_dai *dai)
-{
-	struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev);
-	int ret;
-
-	ret = clk_prepare_enable(zx_tdm->dai_wclk);
-	if (ret)
-		return ret;
-
-	ret = clk_prepare_enable(zx_tdm->dai_pclk);
-	if (ret) {
-		clk_disable_unprepare(zx_tdm->dai_wclk);
-		return ret;
-	}
-
-	return 0;
-}
-
-static void zx_tdm_shutdown(struct snd_pcm_substream *substream,
-			    struct snd_soc_dai *dai)
-{
-	struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev);
-
-	clk_disable_unprepare(zx_tdm->dai_pclk);
-	clk_disable_unprepare(zx_tdm->dai_wclk);
-}
-
-static const struct snd_soc_dai_ops zx_tdm_dai_ops = {
-	.trigger	= zx_tdm_trigger,
-	.hw_params	= zx_tdm_hw_params,
-	.set_fmt	= zx_tdm_set_fmt,
-	.startup	= zx_tdm_startup,
-	.shutdown	= zx_tdm_shutdown,
-};
-
-static const struct snd_soc_component_driver zx_tdm_component = {
-	.name			= "zx-tdm",
-};
-
-static void zx_tdm_init_state(struct zx_tdm_info *tdm)
-{
-	unsigned int val;
-
-	zx_tdm_writel(tdm, REG_PROCESS_CTRL, PROCESS_DISABLE_ALL);
-
-	val = zx_tdm_readl(tdm, REG_TIMING_CTRL);
-	val |= TIMING_LSB_FIRST;
-	val &= ~TIMING_CLK_SEL_MASK;
-	val |= TIMING_CLK_SEL_DEF;
-	zx_tdm_writel(tdm, REG_TIMING_CTRL, val);
-
-	zx_tdm_writel(tdm, REG_INT_EN, INT_DISABLE_ALL);
-	/*
-	 * write INT_STATUS register to clear it.
-	 */
-	zx_tdm_writel(tdm, REG_INT_STATUS, INT_STATUS_MASK);
-	zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, FIFOCTRL_RX_FIFO_RST);
-	zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, FIFOCTRL_TX_FIFO_RST);
-
-	val = zx_tdm_readl(tdm, REG_RX_FIFO_CTRL);
-	val &= ~(RXTH_MASK | RX_FIFO_RST_MASK);
-	val |= FIFOCTRL_THRESHOLD(8);
-	zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, val);
-
-	val = zx_tdm_readl(tdm, REG_TX_FIFO_CTRL);
-	val &= ~(TXTH_MASK | TX_FIFO_RST_MASK);
-	val |= FIFOCTRL_THRESHOLD(8);
-	zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, val);
-}
-
-static struct snd_soc_dai_driver zx_tdm_dai = {
-	.name	= "zx-tdm-dai",
-	.id	= 0,
-	.probe	= zx_tdm_dai_probe,
-	.playback   = {
-		.channels_min	= 1,
-		.channels_max	= 4,
-		.rates		= ZX_TDM_RATES,
-		.formats	= ZX_TDM_FMTBIT,
-	},
-	.capture = {
-		.channels_min	= 1,
-		.channels_max	= 4,
-		.rates		= ZX_TDM_RATES,
-		.formats	= ZX_TDM_FMTBIT,
-	},
-	.ops	= &zx_tdm_dai_ops,
-};
-
-static int zx_tdm_probe(struct platform_device *pdev)
-{
-	struct of_phandle_args out_args;
-	unsigned int dma_reg_offset;
-	struct zx_tdm_info *zx_tdm;
-	unsigned int dma_mask;
-	struct resource *res;
-	struct regmap *regmap_sysctrl;
-	int ret;
-
-	zx_tdm = devm_kzalloc(&pdev->dev, sizeof(*zx_tdm), GFP_KERNEL);
-	if (!zx_tdm)
-		return -ENOMEM;
-
-	zx_tdm->dev = &pdev->dev;
-
-	zx_tdm->dai_wclk = devm_clk_get(&pdev->dev, "wclk");
-	if (IS_ERR(zx_tdm->dai_wclk)) {
-		dev_err(&pdev->dev, "Fail to get wclk\n");
-		return PTR_ERR(zx_tdm->dai_wclk);
-	}
-
-	zx_tdm->dai_pclk = devm_clk_get(&pdev->dev, "pclk");
-	if (IS_ERR(zx_tdm->dai_pclk)) {
-		dev_err(&pdev->dev, "Fail to get pclk\n");
-		return PTR_ERR(zx_tdm->dai_pclk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	zx_tdm->phy_addr = res->start;
-	zx_tdm->regbase = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(zx_tdm->regbase))
-		return PTR_ERR(zx_tdm->regbase);
-
-	ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
-				"zte,tdm-dma-sysctrl", 2, 0, &out_args);
-	if (ret) {
-		dev_err(&pdev->dev, "Fail to get zte,tdm-dma-sysctrl\n");
-		return ret;
-	}
-
-	dma_reg_offset = out_args.args[0];
-	dma_mask = out_args.args[1];
-	regmap_sysctrl = syscon_node_to_regmap(out_args.np);
-	if (IS_ERR(regmap_sysctrl)) {
-		of_node_put(out_args.np);
-		return PTR_ERR(regmap_sysctrl);
-	}
-
-	regmap_update_bits(regmap_sysctrl, dma_reg_offset, dma_mask, dma_mask);
-	of_node_put(out_args.np);
-
-	zx_tdm_init_state(zx_tdm);
-	platform_set_drvdata(pdev, zx_tdm);
-
-	ret = devm_snd_soc_register_component(&pdev->dev, &zx_tdm_component,
-						&zx_tdm_dai, 1);
-	if (ret) {
-		dev_err(&pdev->dev, "Register DAI failed: %d\n", ret);
-		return ret;
-	}
-
-	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
-	if (ret)
-		dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret);
-
-	return ret;
-}
-
-static const struct of_device_id zx_tdm_dt_ids[] = {
-	{ .compatible = "zte,zx296718-tdm", },
-	{}
-};
-MODULE_DEVICE_TABLE(of, zx_tdm_dt_ids);
-
-static struct platform_driver tdm_driver = {
-	.probe = zx_tdm_probe,
-	.driver = {
-		.name = "zx-tdm",
-		.of_match_table = zx_tdm_dt_ids,
-	},
-};
-module_platform_driver(tdm_driver);
-
-MODULE_AUTHOR("Baoyou Xie <baoyou.xie@linaro.org>");
-MODULE_DESCRIPTION("ZTE TDM DAI driver");
-MODULE_LICENSE("GPL v2");