ata: libata-scsi: fix ata_dsm_trim_pages() kernel-docgrafted

make htmldocs fails with:

  Documentation/driver-api/libata:604: ./drivers/ata/libata-scsi.c:2301:
  ERROR: Unexpected indentation. [docutils]

The Return: section of ata_dsm_trim_pages() ends its first sentence with
a colon and continues with an indented bullet list. reStructuredText
requires a blank line before an indented block, so docutils chokes on
the list.

Simply adding the missing blank line does not work either: Return: is a
kernel-doc "special section", which is terminated by the first blank
line, so the bullet list would end up in the Description section,
detached from the sentence introducing it.

Spell the two bounds out as prose instead, so that the Return: section
stays self-contained. Documentation-only change.

Fixes: e64e6b5dc867 ("ata: libata-scsi: scale DSM TRIM payload by MAX PAGES PER DSM COMMAND")
Reported-by: Thomas Huth <thuth@redhat.com>
Closes: https://lore.kernel.org/linux-ide/b0a0b8e8-cc4f-4c7b-8bc5-fee0712d405a@redhat.com/
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/20260916130031.29990-2-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>

4 files changed, 1200 insertions, 0 deletions

diff --git a/sound/soc/starfive/Kconfig b/sound/soc/starfive/Kconfig
new file mode 100644
index 000000000..1e11aa745
--- /dev/null
+++ b/sound/soc/starfive/Kconfig
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menu "StarFive"
+	depends on COMPILE_TEST || ARCH_STARFIVE
+	depends on HAVE_CLK
+
+config SND_SOC_JH7110_PWMDAC
+	tristate "JH7110 PWM-DAC device driver"
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	select SND_SOC_SPDIF
+	help
+	 Say Y or M if you want to add support for StarFive JH7110
+	 PWM-DAC driver.
+
+config SND_SOC_JH7110_TDM
+	tristate "JH7110 TDM device driver"
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	help
+	  Say Y or M if you want to add support for StarFive TDM driver.
+
+endmenu
diff --git a/sound/soc/starfive/Makefile b/sound/soc/starfive/Makefile
new file mode 100644
index 000000000..cfe03c83d
--- /dev/null
+++ b/sound/soc/starfive/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+# StarFive Platform Support
+obj-$(CONFIG_SND_SOC_JH7110_PWMDAC) += jh7110_pwmdac.o
+obj-$(CONFIG_SND_SOC_JH7110_TDM) += jh7110_tdm.o
diff --git a/sound/soc/starfive/jh7110_pwmdac.c b/sound/soc/starfive/jh7110_pwmdac.c
new file mode 100644
index 000000000..5953c3a4e
--- /dev/null
+++ b/sound/soc/starfive/jh7110_pwmdac.c
@@ -0,0 +1,525 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * jh7110_pwmdac.c -- StarFive JH7110 PWM-DAC driver
+ *
+ * Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
+ *
+ * Authors: Jenny Zhang
+ *	    Curry Zhang
+ *	    Xingyu Wu <xingyu.wu@starfivetech.com>
+ *	    Hal Feng <hal.feng@starfivetech.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#define JH7110_PWMDAC_WDATA				0x00
+#define JH7110_PWMDAC_CTRL				0x04
+	#define JH7110_PWMDAC_ENABLE			BIT(0)
+	#define JH7110_PWMDAC_SHIFT			BIT(1)
+	#define JH7110_PWMDAC_DUTY_CYCLE_SHIFT		2
+	#define JH7110_PWMDAC_DUTY_CYCLE_MASK		GENMASK(3, 2)
+	#define JH7110_PWMDAC_CNT_N_SHIFT		4
+	#define JH7110_PWMDAC_CNT_N_MASK		GENMASK(12, 4)
+	#define JH7110_PWMDAC_DATA_CHANGE		BIT(13)
+	#define JH7110_PWMDAC_DATA_MODE			BIT(14)
+	#define JH7110_PWMDAC_DATA_SHIFT_SHIFT		15
+	#define JH7110_PWMDAC_DATA_SHIFT_MASK		GENMASK(17, 15)
+
+enum JH7110_PWMDAC_SHIFT_VAL {
+	PWMDAC_SHIFT_8 = 0,
+	PWMDAC_SHIFT_10,
+};
+
+enum JH7110_PWMDAC_DUTY_CYCLE_VAL {
+	PWMDAC_CYCLE_LEFT = 0,
+	PWMDAC_CYCLE_RIGHT,
+	PWMDAC_CYCLE_CENTER,
+};
+
+enum JH7110_PWMDAC_CNT_N_VAL {
+	PWMDAC_SAMPLE_CNT_1 = 1,
+	PWMDAC_SAMPLE_CNT_2,
+	PWMDAC_SAMPLE_CNT_3,
+	PWMDAC_SAMPLE_CNT_512 = 512, /* max */
+};
+
+enum JH7110_PWMDAC_DATA_CHANGE_VAL {
+	NO_CHANGE = 0,
+	CHANGE,
+};
+
+enum JH7110_PWMDAC_DATA_MODE_VAL {
+	UNSIGNED_DATA = 0,
+	INVERTER_DATA_MSB,
+};
+
+enum JH7110_PWMDAC_DATA_SHIFT_VAL {
+	PWMDAC_DATA_LEFT_SHIFT_BIT_0 = 0,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_1,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_2,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_3,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_4,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_5,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_6,
+	PWMDAC_DATA_LEFT_SHIFT_BIT_7,
+};
+
+struct jh7110_pwmdac_cfg {
+	enum JH7110_PWMDAC_SHIFT_VAL shift;
+	enum JH7110_PWMDAC_DUTY_CYCLE_VAL duty_cycle;
+	u16 cnt_n;
+	enum JH7110_PWMDAC_DATA_CHANGE_VAL data_change;
+	enum JH7110_PWMDAC_DATA_MODE_VAL data_mode;
+	enum JH7110_PWMDAC_DATA_SHIFT_VAL data_shift;
+};
+
+struct jh7110_pwmdac_dev {
+	void __iomem *base;
+	resource_size_t	mapbase;
+	struct jh7110_pwmdac_cfg cfg;
+
+	struct clk_bulk_data clks[2];
+	struct reset_control *rst_apb;
+	struct device *dev;
+	struct snd_dmaengine_dai_dma_data play_dma_data;
+	u32 saved_ctrl;
+};
+
+static inline void jh7110_pwmdac_write_reg(void __iomem *io_base, int reg, u32 val)
+{
+	writel(val, io_base + reg);
+}
+
+static inline u32 jh7110_pwmdac_read_reg(void __iomem *io_base, int reg)
+{
+	return readl(io_base + reg);
+}
+
+static void jh7110_pwmdac_set_enable(struct jh7110_pwmdac_dev *dev, bool enable)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	if (enable)
+		value |= JH7110_PWMDAC_ENABLE;
+	else
+		value &= ~JH7110_PWMDAC_ENABLE;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_shift(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	if (dev->cfg.shift == PWMDAC_SHIFT_8)
+		value &= ~JH7110_PWMDAC_SHIFT;
+	else if (dev->cfg.shift == PWMDAC_SHIFT_10)
+		value |= JH7110_PWMDAC_SHIFT;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_duty_cycle(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	value &= ~JH7110_PWMDAC_DUTY_CYCLE_MASK;
+	value |= (dev->cfg.duty_cycle & 0x3) << JH7110_PWMDAC_DUTY_CYCLE_SHIFT;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_cnt_n(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	value &= ~JH7110_PWMDAC_CNT_N_MASK;
+	value |= ((dev->cfg.cnt_n - 1) & 0x1ff) << JH7110_PWMDAC_CNT_N_SHIFT;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_data_change(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	if (dev->cfg.data_change == NO_CHANGE)
+		value &= ~JH7110_PWMDAC_DATA_CHANGE;
+	else if (dev->cfg.data_change == CHANGE)
+		value |= JH7110_PWMDAC_DATA_CHANGE;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_data_mode(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	if (dev->cfg.data_mode == UNSIGNED_DATA)
+		value &= ~JH7110_PWMDAC_DATA_MODE;
+	else if (dev->cfg.data_mode == INVERTER_DATA_MSB)
+		value |= JH7110_PWMDAC_DATA_MODE;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set_data_shift(struct jh7110_pwmdac_dev *dev)
+{
+	u32 value;
+
+	value = jh7110_pwmdac_read_reg(dev->base, JH7110_PWMDAC_CTRL);
+	value &= ~JH7110_PWMDAC_DATA_SHIFT_MASK;
+	value |= (dev->cfg.data_shift & 0x7) << JH7110_PWMDAC_DATA_SHIFT_SHIFT;
+
+	jh7110_pwmdac_write_reg(dev->base, JH7110_PWMDAC_CTRL, value);
+}
+
+static void jh7110_pwmdac_set(struct jh7110_pwmdac_dev *dev)
+{
+	jh7110_pwmdac_set_shift(dev);
+	jh7110_pwmdac_set_duty_cycle(dev);
+	jh7110_pwmdac_set_cnt_n(dev);
+	jh7110_pwmdac_set_enable(dev, true);
+
+	jh7110_pwmdac_set_data_change(dev);
+	jh7110_pwmdac_set_data_mode(dev);
+	jh7110_pwmdac_set_data_shift(dev);
+}
+
+static void jh7110_pwmdac_stop(struct jh7110_pwmdac_dev *dev)
+{
+	jh7110_pwmdac_set_enable(dev, false);
+}
+
+static int jh7110_pwmdac_startup(struct snd_pcm_substream *substream,
+				 struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai_link *dai_link = rtd->dai_link;
+
+	dai_link->trigger_stop = SND_SOC_TRIGGER_ORDER_LDC;
+
+	return 0;
+}
+
+static int jh7110_pwmdac_hw_params(struct snd_pcm_substream *substream,
+				   struct snd_pcm_hw_params *params,
+				   struct snd_soc_dai *dai)
+{
+	struct jh7110_pwmdac_dev *dev = dev_get_drvdata(dai->dev);
+	unsigned long core_clk_rate;
+	int ret;
+
+	switch (params_rate(params)) {
+	case 8000:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_3;
+		core_clk_rate = 6144000;
+		break;
+	case 11025:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_2;
+		core_clk_rate = 5644800;
+		break;
+	case 16000:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_3;
+		core_clk_rate = 12288000;
+		break;
+	case 22050:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_1;
+		core_clk_rate = 5644800;
+		break;
+	case 32000:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_1;
+		core_clk_rate = 8192000;
+		break;
+	case 44100:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_1;
+		core_clk_rate = 11289600;
+		break;
+	case 48000:
+		dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_1;
+		core_clk_rate = 12288000;
+		break;
+	default:
+		dev_err(dai->dev, "%d rate not supported\n",
+			params_rate(params));
+		return -EINVAL;
+	}
+
+	switch (params_channels(params)) {
+	case 1:
+		dev->play_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+		break;
+	case 2:
+		dev->play_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+		break;
+	default:
+		dev_err(dai->dev, "%d channels not supported\n",
+			params_channels(params));
+		return -EINVAL;
+	}
+
+	/*
+	 * The clock rate always rounds down when using clk_set_rate()
+	 * so increase the rate a bit
+	 */
+	core_clk_rate += 64;
+	jh7110_pwmdac_set(dev);
+
+	ret = clk_set_rate(dev->clks[1].clk, core_clk_rate);
+	if (ret)
+		return dev_err_probe(dai->dev, ret,
+				     "failed to set rate %lu for core clock\n",
+				     core_clk_rate);
+
+	return 0;
+}
+
+static int jh7110_pwmdac_trigger(struct snd_pcm_substream *substream, int cmd,
+				 struct snd_soc_dai *dai)
+{
+	struct jh7110_pwmdac_dev *dev = snd_soc_dai_get_drvdata(dai);
+	int ret = 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		jh7110_pwmdac_set(dev);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		jh7110_pwmdac_stop(dev);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int jh7110_pwmdac_crg_enable(struct jh7110_pwmdac_dev *dev, bool enable)
+{
+	int ret;
+
+	if (enable) {
+		ret = clk_bulk_prepare_enable(ARRAY_SIZE(dev->clks), dev->clks);
+		if (ret)
+			return dev_err_probe(dev->dev, ret,
+					     "failed to enable pwmdac clocks\n");
+
+		ret = reset_control_deassert(dev->rst_apb);
+		if (ret) {
+			dev_err(dev->dev, "failed to deassert pwmdac apb reset\n");
+			goto err_rst_apb;
+		}
+	} else {
+		clk_bulk_disable_unprepare(ARRAY_SIZE(dev->clks), dev->clks);
+	}
+
+	return 0;
+
+err_rst_apb:
+	clk_bulk_disable_unprepare(ARRAY_SIZE(dev->clks), dev->clks);
+
+	return ret;
+}
+
+static int jh7110_pwmdac_dai_probe(struct snd_soc_dai *dai)
+{
+	struct jh7110_pwmdac_dev *dev = dev_get_drvdata(dai->dev);
+
+	snd_soc_dai_init_dma_data(dai, &dev->play_dma_data, NULL);
+	snd_soc_dai_set_drvdata(dai, dev);
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops jh7110_pwmdac_dai_ops = {
+	.probe		= jh7110_pwmdac_dai_probe,
+	.startup	= jh7110_pwmdac_startup,
+	.hw_params	= jh7110_pwmdac_hw_params,
+	.trigger	= jh7110_pwmdac_trigger,
+};
+
+static const struct snd_soc_component_driver jh7110_pwmdac_component = {
+	.name		= "jh7110-pwmdac",
+};
+
+static struct snd_soc_dai_driver jh7110_pwmdac_dai = {
+	.name		= "jh7110-pwmdac",
+	.id		= 0,
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	.ops = &jh7110_pwmdac_dai_ops,
+};
+
+static int jh7110_pwmdac_runtime_suspend(struct device *dev)
+{
+	struct jh7110_pwmdac_dev *pwmdac = dev_get_drvdata(dev);
+
+	return jh7110_pwmdac_crg_enable(pwmdac, false);
+}
+
+static int jh7110_pwmdac_runtime_resume(struct device *dev)
+{
+	struct jh7110_pwmdac_dev *pwmdac = dev_get_drvdata(dev);
+
+	return jh7110_pwmdac_crg_enable(pwmdac, true);
+}
+
+static int jh7110_pwmdac_system_suspend(struct device *dev)
+{
+	struct jh7110_pwmdac_dev *pwmdac = dev_get_drvdata(dev);
+
+	/* save the CTRL register value */
+	pwmdac->saved_ctrl = jh7110_pwmdac_read_reg(pwmdac->base,
+						    JH7110_PWMDAC_CTRL);
+	return pm_runtime_force_suspend(dev);
+}
+
+static int jh7110_pwmdac_system_resume(struct device *dev)
+{
+	struct jh7110_pwmdac_dev *pwmdac = dev_get_drvdata(dev);
+	int ret;
+
+	ret = pm_runtime_force_resume(dev);
+	if (ret)
+		return ret;
+
+	/* restore the CTRL register value */
+	jh7110_pwmdac_write_reg(pwmdac->base, JH7110_PWMDAC_CTRL,
+				pwmdac->saved_ctrl);
+	return 0;
+}
+
+static const struct dev_pm_ops jh7110_pwmdac_pm_ops = {
+	RUNTIME_PM_OPS(jh7110_pwmdac_runtime_suspend,
+		       jh7110_pwmdac_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(jh7110_pwmdac_system_suspend,
+			    jh7110_pwmdac_system_resume)
+};
+
+static void jh7110_pwmdac_init_params(struct jh7110_pwmdac_dev *dev)
+{
+	dev->cfg.shift = PWMDAC_SHIFT_8;
+	dev->cfg.duty_cycle = PWMDAC_CYCLE_CENTER;
+	dev->cfg.cnt_n = PWMDAC_SAMPLE_CNT_1;
+	dev->cfg.data_change = NO_CHANGE;
+	dev->cfg.data_mode = INVERTER_DATA_MSB;
+	dev->cfg.data_shift = PWMDAC_DATA_LEFT_SHIFT_BIT_0;
+
+	dev->play_dma_data.addr = dev->mapbase + JH7110_PWMDAC_WDATA;
+	dev->play_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+	dev->play_dma_data.fifo_size = 1;
+	dev->play_dma_data.maxburst = 16;
+}
+
+static int jh7110_pwmdac_probe(struct platform_device *pdev)
+{
+	struct jh7110_pwmdac_dev *dev;
+	struct resource *res;
+	int ret;
+
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	dev->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+	if (IS_ERR(dev->base))
+		return PTR_ERR(dev->base);
+
+	dev->mapbase = res->start;
+
+	dev->clks[0].id = "apb";
+	dev->clks[1].id = "core";
+
+	ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(dev->clks), dev->clks);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "failed to get pwmdac clocks\n");
+
+	dev->rst_apb = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+	if (IS_ERR(dev->rst_apb))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dev->rst_apb),
+				     "failed to get pwmdac apb reset\n");
+
+	jh7110_pwmdac_init_params(dev);
+
+	dev->dev = &pdev->dev;
+	dev_set_drvdata(&pdev->dev, dev);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &jh7110_pwmdac_component,
+					      &jh7110_pwmdac_dai, 1);
+	if (ret)
+		return ret;
+
+	ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+	if (ret)
+		return ret;
+
+	pm_runtime_enable(dev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = jh7110_pwmdac_runtime_resume(&pdev->dev);
+		if (ret) {
+			pm_runtime_disable(&pdev->dev);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void jh7110_pwmdac_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+}
+
+static const struct of_device_id jh7110_pwmdac_of_match[] = {
+	{ .compatible = "starfive,jh7110-pwmdac" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jh7110_pwmdac_of_match);
+
+static struct platform_driver jh7110_pwmdac_driver = {
+	.driver		= {
+		.name	= "jh7110-pwmdac",
+		.of_match_table = jh7110_pwmdac_of_match,
+		.pm = pm_ptr(&jh7110_pwmdac_pm_ops),
+	},
+	.probe		= jh7110_pwmdac_probe,
+	.remove		= jh7110_pwmdac_remove,
+};
+module_platform_driver(jh7110_pwmdac_driver);
+
+MODULE_AUTHOR("Jenny Zhang");
+MODULE_AUTHOR("Curry Zhang");
+MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>");
+MODULE_AUTHOR("Hal Feng <hal.feng@starfivetech.com>");
+MODULE_DESCRIPTION("StarFive JH7110 PWM-DAC driver");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/starfive/jh7110_tdm.c b/sound/soc/starfive/jh7110_tdm.c
new file mode 100644
index 000000000..f7522bfbe
--- /dev/null
+++ b/sound/soc/starfive/jh7110_tdm.c
@@ -0,0 +1,651 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * jh7110_tdm.c -- StarFive JH7110 TDM driver
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ *
+ * Author: Walker Chen <walker.chen@starfivetech.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dmaengine.h>
+#include <linux/minmax.h>
+#include <linux/module.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/types.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 TDM_PCMGBCR			0x00
+	#define PCMGBCR_ENABLE		BIT(0)
+	#define CLKPOL_BIT		5
+	#define ELM_BIT			3
+	#define SYNCM_BIT		2
+	#define MS_BIT			1
+#define TDM_PCMTXCR			0x04
+	#define PCMTXCR_TXEN		BIT(0)
+	#define IFL_BIT			11
+	#define WL_BIT			8
+	#define SSCALE_BIT		4
+	#define SL_BIT			2
+	#define LRJ_BIT			1
+#define TDM_PCMRXCR			0x08
+	#define PCMRXCR_RXEN		BIT(0)
+#define TDM_PCMDIV			0x0c
+
+#define JH7110_TDM_FIFO			0x170c0000
+#define JH7110_TDM_FIFO_DEPTH		32
+
+enum TDM_MASTER_SLAVE_MODE {
+	TDM_AS_MASTER = 0,
+	TDM_AS_SLAVE,
+};
+
+enum TDM_CLKPOL {
+	/* tx raising and rx falling */
+	TDM_TX_RASING_RX_FALLING = 0,
+	/* tx falling and rx raising */
+	TDM_TX_FALLING_RX_RASING,
+};
+
+enum TDM_ELM {
+	/* only work while SYNCM=0 */
+	TDM_ELM_LATE = 0,
+	TDM_ELM_EARLY,
+};
+
+enum TDM_SYNCM {
+	/* short frame sync */
+	TDM_SYNCM_SHORT = 0,
+	/* long frame sync */
+	TDM_SYNCM_LONG,
+};
+
+enum TDM_IFL {
+	/* FIFO to send or received : half-1/2, Quarter-1/4 */
+	TDM_FIFO_HALF = 0,
+	TDM_FIFO_QUARTER,
+};
+
+enum TDM_WL {
+	/* send or received word length */
+	TDM_8BIT_WORD_LEN = 0,
+	TDM_16BIT_WORD_LEN,
+	TDM_20BIT_WORD_LEN,
+	TDM_24BIT_WORD_LEN,
+	TDM_32BIT_WORD_LEN,
+};
+
+enum TDM_SL {
+	/* send or received slot length */
+	TDM_8BIT_SLOT_LEN = 0,
+	TDM_16BIT_SLOT_LEN,
+	TDM_32BIT_SLOT_LEN,
+};
+
+enum TDM_LRJ {
+	/* left-justify or right-justify */
+	TDM_RIGHT_JUSTIFY = 0,
+	TDM_LEFT_JUSTIFT,
+};
+
+struct tdm_chan_cfg {
+	enum TDM_IFL ifl;
+	enum TDM_WL  wl;
+	unsigned char sscale;
+	enum TDM_SL  sl;
+	enum TDM_LRJ lrj;
+	unsigned char enable;
+};
+
+struct jh7110_tdm_dev {
+	void __iomem *tdm_base;
+	struct device *dev;
+	struct clk_bulk_data clks[6];
+	struct reset_control *resets;
+
+	enum TDM_CLKPOL clkpolity;
+	enum TDM_ELM	elm;
+	enum TDM_SYNCM	syncm;
+	enum TDM_MASTER_SLAVE_MODE ms_mode;
+
+	struct tdm_chan_cfg tx;
+	struct tdm_chan_cfg rx;
+
+	u16 syncdiv;
+	u32 samplerate;
+	u32 pcmclk;
+
+	/* data related to DMA transfers b/w tdm and DMAC */
+	struct snd_dmaengine_dai_dma_data play_dma_data;
+	struct snd_dmaengine_dai_dma_data capture_dma_data;
+	u32 saved_pcmgbcr;
+	u32 saved_pcmtxcr;
+	u32 saved_pcmrxcr;
+	u32 saved_pcmdiv;
+};
+
+static inline u32 jh7110_tdm_readl(struct jh7110_tdm_dev *tdm, u16 reg)
+{
+	return readl_relaxed(tdm->tdm_base + reg);
+}
+
+static inline void jh7110_tdm_writel(struct jh7110_tdm_dev *tdm, u16 reg, u32 val)
+{
+	writel_relaxed(val, tdm->tdm_base + reg);
+}
+
+static void jh7110_tdm_save_context(struct jh7110_tdm_dev *tdm,
+				    struct snd_pcm_substream *substream)
+{
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		tdm->saved_pcmtxcr = jh7110_tdm_readl(tdm, TDM_PCMTXCR);
+	else
+		tdm->saved_pcmrxcr = jh7110_tdm_readl(tdm, TDM_PCMRXCR);
+}
+
+static void jh7110_tdm_start(struct jh7110_tdm_dev *tdm,
+			     struct snd_pcm_substream *substream)
+{
+	u32 data;
+
+	data = jh7110_tdm_readl(tdm, TDM_PCMGBCR);
+	jh7110_tdm_writel(tdm, TDM_PCMGBCR, data | PCMGBCR_ENABLE);
+
+	/* restore context */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		jh7110_tdm_writel(tdm, TDM_PCMTXCR, tdm->saved_pcmtxcr | PCMTXCR_TXEN);
+	else
+		jh7110_tdm_writel(tdm, TDM_PCMRXCR, tdm->saved_pcmrxcr | PCMRXCR_RXEN);
+}
+
+static void jh7110_tdm_stop(struct jh7110_tdm_dev *tdm,
+			    struct snd_pcm_substream *substream)
+{
+	unsigned int val;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		val = jh7110_tdm_readl(tdm, TDM_PCMTXCR);
+		val &= ~PCMTXCR_TXEN;
+		jh7110_tdm_writel(tdm, TDM_PCMTXCR, val);
+	} else {
+		val = jh7110_tdm_readl(tdm, TDM_PCMRXCR);
+		val &= ~PCMRXCR_RXEN;
+		jh7110_tdm_writel(tdm, TDM_PCMRXCR, val);
+	}
+}
+
+static int jh7110_tdm_syncdiv(struct jh7110_tdm_dev *tdm)
+{
+	u32 sl, sscale, syncdiv;
+
+	sl = max(tdm->rx.sl, tdm->tx.sl);
+	sscale = max(tdm->rx.sscale, tdm->tx.sscale);
+	syncdiv = tdm->pcmclk / tdm->samplerate - 1;
+
+	if ((syncdiv + 1) < (sl * sscale)) {
+		dev_err(tdm->dev, "Failed to set syncdiv!\n");
+		return -EINVAL;
+	}
+
+	if (tdm->syncm == TDM_SYNCM_LONG &&
+	    (tdm->rx.sscale <= 1 || tdm->tx.sscale <= 1) &&
+	    ((syncdiv + 1) <= sl)) {
+		dev_err(tdm->dev, "Wrong syncdiv! It must be (syncdiv+1) > max[tx.sl, rx.sl]\n");
+		return -EINVAL;
+	}
+
+	jh7110_tdm_writel(tdm, TDM_PCMDIV, syncdiv);
+	return 0;
+}
+
+static int jh7110_tdm_config(struct jh7110_tdm_dev *tdm,
+			     struct snd_pcm_substream *substream)
+{
+	u32 datarx, datatx;
+	int ret;
+
+	ret = jh7110_tdm_syncdiv(tdm);
+	if (ret)
+		return ret;
+
+	datarx = (tdm->rx.ifl << IFL_BIT) |
+		  (tdm->rx.wl << WL_BIT) |
+		  (tdm->rx.sscale << SSCALE_BIT) |
+		  (tdm->rx.sl << SL_BIT) |
+		  (tdm->rx.lrj << LRJ_BIT);
+
+	datatx = (tdm->tx.ifl << IFL_BIT) |
+		  (tdm->tx.wl << WL_BIT) |
+		  (tdm->tx.sscale << SSCALE_BIT) |
+		  (tdm->tx.sl << SL_BIT) |
+		  (tdm->tx.lrj << LRJ_BIT);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		jh7110_tdm_writel(tdm, TDM_PCMTXCR, datatx);
+	else
+		jh7110_tdm_writel(tdm, TDM_PCMRXCR, datarx);
+
+	return 0;
+}
+
+static void jh7110_tdm_clk_disable(struct jh7110_tdm_dev *tdm)
+{
+	clk_bulk_disable_unprepare(ARRAY_SIZE(tdm->clks), tdm->clks);
+}
+
+static int jh7110_tdm_clk_enable(struct jh7110_tdm_dev *tdm)
+{
+	int ret;
+
+	ret = clk_bulk_prepare_enable(ARRAY_SIZE(tdm->clks), tdm->clks);
+	if (ret) {
+		dev_err(tdm->dev, "Failed to enable tdm clocks\n");
+		return ret;
+	}
+
+	ret = reset_control_deassert(tdm->resets);
+	if (ret) {
+		dev_err(tdm->dev, "Failed to deassert tdm resets\n");
+		goto dis_tdm_clk;
+	}
+
+	/* select tdm_ext clock as the clock source for tdm */
+	ret = clk_set_parent(tdm->clks[5].clk, tdm->clks[4].clk);
+	if (ret) {
+		dev_err(tdm->dev, "Can't set extern clock source for clk_tdm\n");
+		goto dis_tdm_clk;
+	}
+
+	return 0;
+
+dis_tdm_clk:
+	clk_bulk_disable_unprepare(ARRAY_SIZE(tdm->clks), tdm->clks);
+
+	return ret;
+}
+
+static int jh7110_tdm_runtime_suspend(struct device *dev)
+{
+	struct jh7110_tdm_dev *tdm = dev_get_drvdata(dev);
+
+	jh7110_tdm_clk_disable(tdm);
+	return 0;
+}
+
+static int jh7110_tdm_runtime_resume(struct device *dev)
+{
+	struct jh7110_tdm_dev *tdm = dev_get_drvdata(dev);
+
+	return jh7110_tdm_clk_enable(tdm);
+}
+
+static int jh7110_tdm_system_suspend(struct device *dev)
+{
+	struct jh7110_tdm_dev *tdm = dev_get_drvdata(dev);
+
+	/* save context */
+	tdm->saved_pcmgbcr = jh7110_tdm_readl(tdm, TDM_PCMGBCR);
+	tdm->saved_pcmdiv = jh7110_tdm_readl(tdm, TDM_PCMDIV);
+
+	return pm_runtime_force_suspend(dev);
+}
+
+static int jh7110_tdm_system_resume(struct device *dev)
+{
+	struct jh7110_tdm_dev *tdm = dev_get_drvdata(dev);
+
+	/* restore context */
+	jh7110_tdm_writel(tdm, TDM_PCMGBCR, tdm->saved_pcmgbcr);
+	jh7110_tdm_writel(tdm, TDM_PCMDIV, tdm->saved_pcmdiv);
+
+	return pm_runtime_force_resume(dev);
+}
+
+static const struct snd_soc_component_driver jh7110_tdm_component = {
+	.name = "jh7110-tdm",
+};
+
+static int jh7110_tdm_startup(struct snd_pcm_substream *substream,
+			      struct snd_soc_dai *cpu_dai)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai_link *dai_link = rtd->dai_link;
+
+	dai_link->trigger_stop = SND_SOC_TRIGGER_ORDER_LDC;
+
+	return 0;
+}
+
+static int jh7110_tdm_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params,
+				struct snd_soc_dai *dai)
+{
+	struct jh7110_tdm_dev *tdm = snd_soc_dai_get_drvdata(dai);
+	int chan_wl, chan_sl, chan_nr;
+	unsigned int data_width;
+	unsigned int dma_bus_width;
+	struct snd_dmaengine_dai_dma_data *dma_data = NULL;
+	int ret;
+
+	data_width = params_width(params);
+
+	tdm->samplerate = params_rate(params);
+	tdm->pcmclk = params_channels(params) * tdm->samplerate * data_width;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		chan_wl = TDM_16BIT_WORD_LEN;
+		chan_sl = TDM_16BIT_SLOT_LEN;
+		dma_bus_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+		break;
+
+	case SNDRV_PCM_FORMAT_S32_LE:
+		chan_wl = TDM_32BIT_WORD_LEN;
+		chan_sl = TDM_32BIT_SLOT_LEN;
+		dma_bus_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+		break;
+
+	default:
+		dev_err(tdm->dev, "tdm: unsupported PCM fmt");
+		return -EINVAL;
+	}
+
+	chan_nr = params_channels(params);
+	switch (chan_nr) {
+	case 1:
+	case 2:
+	case 4:
+	case 6:
+	case 8:
+		break;
+	default:
+		dev_err(tdm->dev, "channel not supported\n");
+		return -EINVAL;
+	}
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		tdm->tx.wl = chan_wl;
+		tdm->tx.sl = chan_sl;
+		tdm->tx.sscale = chan_nr;
+		tdm->play_dma_data.addr_width = dma_bus_width;
+		dma_data = &tdm->play_dma_data;
+	} else {
+		tdm->rx.wl = chan_wl;
+		tdm->rx.sl = chan_sl;
+		tdm->rx.sscale = chan_nr;
+		tdm->capture_dma_data.addr_width = dma_bus_width;
+		dma_data = &tdm->capture_dma_data;
+	}
+
+	snd_soc_dai_set_dma_data(dai, substream, dma_data);
+
+	ret = jh7110_tdm_config(tdm, substream);
+	if (ret)
+		return ret;
+
+	jh7110_tdm_save_context(tdm, substream);
+	return 0;
+}
+
+static int jh7110_tdm_trigger(struct snd_pcm_substream *substream,
+			      int cmd, struct snd_soc_dai *dai)
+{
+	struct jh7110_tdm_dev *tdm = snd_soc_dai_get_drvdata(dai);
+	int ret = 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		jh7110_tdm_start(tdm, substream);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		jh7110_tdm_stop(tdm, substream);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int jh7110_tdm_set_dai_fmt(struct snd_soc_dai *cpu_dai,
+				  unsigned int fmt)
+{
+	struct jh7110_tdm_dev *tdm = snd_soc_dai_get_drvdata(cpu_dai);
+	unsigned int gbcr;
+
+	/* set master/slave audio interface */
+	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+	case SND_SOC_DAIFMT_BP_FP:
+		/* cpu is master */
+		tdm->ms_mode = TDM_AS_MASTER;
+		break;
+	case SND_SOC_DAIFMT_BC_FC:
+		/* codec is master */
+		tdm->ms_mode = TDM_AS_SLAVE;
+		break;
+	case SND_SOC_DAIFMT_BC_FP:
+	case SND_SOC_DAIFMT_BP_FC:
+		return -EINVAL;
+	default:
+		dev_dbg(tdm->dev, "dwc : Invalid clock provider format\n");
+		return -EINVAL;
+	}
+
+	gbcr = (tdm->clkpolity << CLKPOL_BIT) |
+		(tdm->elm << ELM_BIT) |
+		(tdm->syncm << SYNCM_BIT) |
+		(tdm->ms_mode << MS_BIT);
+	jh7110_tdm_writel(tdm, TDM_PCMGBCR, gbcr);
+
+	return 0;
+}
+
+static int jh7110_tdm_dai_probe(struct snd_soc_dai *dai)
+{
+	struct jh7110_tdm_dev *tdm = snd_soc_dai_get_drvdata(dai);
+
+	snd_soc_dai_init_dma_data(dai, &tdm->play_dma_data, &tdm->capture_dma_data);
+	snd_soc_dai_set_drvdata(dai, tdm);
+	return 0;
+}
+
+static const struct snd_soc_dai_ops jh7110_tdm_dai_ops = {
+	.probe		= jh7110_tdm_dai_probe,
+	.startup	= jh7110_tdm_startup,
+	.hw_params	= jh7110_tdm_hw_params,
+	.trigger	= jh7110_tdm_trigger,
+	.set_fmt	= jh7110_tdm_set_dai_fmt,
+};
+
+#define JH7110_TDM_RATES	SNDRV_PCM_RATE_8000_48000
+
+#define JH7110_TDM_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
+				 SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver jh7110_tdm_dai = {
+	.name = "sf_tdm",
+	.id = 0,
+	.playback = {
+		.stream_name    = "Playback",
+		.channels_min   = 1,
+		.channels_max   = 8,
+		.rates          = JH7110_TDM_RATES,
+		.formats        = JH7110_TDM_FORMATS,
+	},
+	.capture = {
+		.stream_name    = "Capture",
+		.channels_min   = 1,
+		.channels_max   = 8,
+		.rates          = JH7110_TDM_RATES,
+		.formats        = JH7110_TDM_FORMATS,
+	},
+	.ops = &jh7110_tdm_dai_ops,
+	.symmetric_rate = 1,
+};
+
+static const struct snd_pcm_hardware jh7110_pcm_hardware = {
+	.info			= (SNDRV_PCM_INFO_MMAP		|
+				   SNDRV_PCM_INFO_MMAP_VALID	|
+				   SNDRV_PCM_INFO_PAUSE		|
+				   SNDRV_PCM_INFO_RESUME	|
+				   SNDRV_PCM_INFO_INTERLEAVED	|
+				   SNDRV_PCM_INFO_BLOCK_TRANSFER),
+	.buffer_bytes_max	= 192512,
+	.period_bytes_min	= 4096,
+	.period_bytes_max	= 32768,
+	.periods_min		= 1,
+	.periods_max		= 48,
+	.fifo_size		= 16,
+};
+
+static const struct snd_dmaengine_pcm_config jh7110_dmaengine_pcm_config = {
+	.pcm_hardware = &jh7110_pcm_hardware,
+	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
+	.prealloc_buffer_size = 192512,
+};
+
+static void jh7110_tdm_init_params(struct jh7110_tdm_dev *tdm)
+{
+	tdm->clkpolity = TDM_TX_RASING_RX_FALLING;
+	tdm->elm = TDM_ELM_LATE;
+	tdm->syncm = TDM_SYNCM_SHORT;
+
+	tdm->rx.ifl = TDM_FIFO_HALF;
+	tdm->tx.ifl = TDM_FIFO_HALF;
+	tdm->rx.wl = TDM_16BIT_WORD_LEN;
+	tdm->tx.wl = TDM_16BIT_WORD_LEN;
+	tdm->rx.sscale = 2;
+	tdm->tx.sscale = 2;
+	tdm->rx.lrj = TDM_LEFT_JUSTIFT;
+	tdm->tx.lrj = TDM_LEFT_JUSTIFT;
+
+	tdm->play_dma_data.addr = JH7110_TDM_FIFO;
+	tdm->play_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+	tdm->play_dma_data.fifo_size = JH7110_TDM_FIFO_DEPTH / 2;
+	tdm->play_dma_data.maxburst = 16;
+
+	tdm->capture_dma_data.addr = JH7110_TDM_FIFO;
+	tdm->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+	tdm->capture_dma_data.fifo_size = JH7110_TDM_FIFO_DEPTH / 2;
+	tdm->capture_dma_data.maxburst = 8;
+}
+
+static int jh7110_tdm_clk_reset_get(struct platform_device *pdev,
+				    struct jh7110_tdm_dev *tdm)
+{
+	int ret;
+
+	tdm->clks[0].id = "mclk_inner";
+	tdm->clks[1].id = "tdm_ahb";
+	tdm->clks[2].id = "tdm_apb";
+	tdm->clks[3].id = "tdm_internal";
+	tdm->clks[4].id = "tdm_ext";
+	tdm->clks[5].id = "tdm";
+
+	ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(tdm->clks), tdm->clks);
+	if (ret)
+		return ret;
+
+	tdm->resets = devm_reset_control_array_get_exclusive(&pdev->dev);
+	if (IS_ERR(tdm->resets)) {
+		dev_err(&pdev->dev, "Failed to get tdm resets\n");
+		return PTR_ERR(tdm->resets);
+	}
+
+	return 0;
+}
+
+static int jh7110_tdm_probe(struct platform_device *pdev)
+{
+	struct jh7110_tdm_dev *tdm;
+	int ret;
+
+	tdm = devm_kzalloc(&pdev->dev, sizeof(*tdm), GFP_KERNEL);
+	if (!tdm)
+		return -ENOMEM;
+
+	tdm->tdm_base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(tdm->tdm_base))
+		return PTR_ERR(tdm->tdm_base);
+
+	tdm->dev = &pdev->dev;
+
+	ret = jh7110_tdm_clk_reset_get(pdev, tdm);
+	if (ret)
+		return ret;
+
+	jh7110_tdm_init_params(tdm);
+
+	dev_set_drvdata(&pdev->dev, tdm);
+	ret = devm_snd_soc_register_component(&pdev->dev, &jh7110_tdm_component,
+					      &jh7110_tdm_dai, 1);
+	if (ret)
+		return ret;
+
+	ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
+					      &jh7110_dmaengine_pcm_config,
+					      SND_DMAENGINE_PCM_FLAG_COMPAT);
+	if (ret)
+		return ret;
+
+	pm_runtime_enable(&pdev->dev);
+	if (!pm_runtime_enabled(&pdev->dev)) {
+		ret = jh7110_tdm_runtime_resume(&pdev->dev);
+		if (ret) {
+			pm_runtime_disable(&pdev->dev);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void jh7110_tdm_dev_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+}
+
+static const struct of_device_id jh7110_tdm_of_match[] = {
+	{ .compatible = "starfive,jh7110-tdm", },
+	{}
+};
+
+MODULE_DEVICE_TABLE(of, jh7110_tdm_of_match);
+
+static const struct dev_pm_ops jh7110_tdm_pm_ops = {
+	RUNTIME_PM_OPS(jh7110_tdm_runtime_suspend,
+		       jh7110_tdm_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(jh7110_tdm_system_suspend,
+			    jh7110_tdm_system_resume)
+};
+
+static struct platform_driver jh7110_tdm_driver = {
+	.driver = {
+		.name = "jh7110-tdm",
+		.of_match_table = jh7110_tdm_of_match,
+		.pm = pm_ptr(&jh7110_tdm_pm_ops),
+	},
+	.probe = jh7110_tdm_probe,
+	.remove = jh7110_tdm_dev_remove,
+};
+module_platform_driver(jh7110_tdm_driver);
+
+MODULE_DESCRIPTION("StarFive JH7110 TDM ASoC Driver");
+MODULE_AUTHOR("Walker Chen <walker.chen@starfivetech.com>");
+MODULE_LICENSE("GPL");