Merge branch 'tracking-qcomlt-adv7511' into integration-linux-qcomlt

* tracking-qcomlt-adv7511:
  drm/i2c: adv7511: fixup the dapm bias level access
  drm/i2c: adv7511: move to use reg_sequence
  HACK: drm/i2c: adv7511: Remove hotplug event handling
  drm/i2c: adv7511: Enable the audio data and clock pads on adv7533
  drm/i2c: adv7511: Add Audio support.
  drm/i2c: adv7511: Move the common data structures to header file
  drm/i2c: adv7511: Change DSI lanes dynamically
  drm/i2c: adv7511: Use internal timing generator
  drm/i2c: adv7511: setup CEC registers during power off-power-on sequence
  drm/i2c: adv7511: Create mipi_dsi_device for ADV7533
  drm/i2c: adv7511: Add drm_bridge/connector for ADV7533
  drm/i2c: adv7511: Refactor encoder slave functions
  drm/i2c: adv7511: Initial support for adv7533
  drm/i2c: adv7511: Fix mutex deadlock when interrupts are disabled
  drm/mipi_dsi: Get DSI host by DT device node
  drm/mipi_dsi: Create dummy DSI devices
  drm/mipi_dsi: check for used channels
  drm/mipi_dsi: refactor device creation

6 files changed, 1021 insertions, 113 deletions

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 2d5ca8eec13a..e487f56ffc4c 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -45,9 +45,26 @@
  * subset of the MIPI DCS command set.
  */
 
+static const struct device_type mipi_dsi_device_type;
+
 static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv)
 {
-	return of_driver_match_device(dev, drv);
+	struct mipi_dsi_device *dsi;
+
+	dsi = dev->type == &mipi_dsi_device_type ?
+		to_mipi_dsi_device(dev) : NULL;
+
+	if (!dsi)
+		return 0;
+
+	if (of_driver_match_device(dev, drv))
+		return 1;
+
+	if (!strcmp(drv->name, "mipi_dsi_dummy") &&
+			!strcmp(dsi->name, "dummy"))
+		return 1;
+
+	return 0;
 }
 
 static const struct dev_pm_ops mipi_dsi_device_pm_ops = {
@@ -102,9 +119,41 @@ static const struct device_type mipi_dsi_device_type = {
 	.release = mipi_dsi_dev_release,
 };
 
-static struct mipi_dsi_device *mipi_dsi_device_alloc(struct mipi_dsi_host *host)
+struct mipi_dsi_device_info {
+	char name[DSI_DEV_NAME_SIZE];
+	u32 reg;
+	struct device_node *node;
+};
+
+static int __dsi_check_chan_busy(struct device *dev, void *data)
+{
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
+	u32 reg = *(u32 *) data;
+
+	if (dsi && dsi->channel == reg)
+		return -EBUSY;
+
+	return 0;
+}
+
+static int mipi_dsi_check_chan_busy(struct mipi_dsi_host *host, u32 reg)
+{
+	return device_for_each_child(host->dev, &reg, __dsi_check_chan_busy);
+}
+
+static struct mipi_dsi_device *
+mipi_dsi_device_new(struct mipi_dsi_host *host,
+		    struct mipi_dsi_device_info *info)
 {
+	struct device *dev = host->dev;
 	struct mipi_dsi_device *dsi;
+	int r;
+
+	if (info->reg > 3) {
+		dev_err(dev, "dsi device %s has invalid channel value: %u\n",
+			info->name, info->reg);
+		return ERR_PTR(-EINVAL);
+	}
 
 	dsi = kzalloc(sizeof(*dsi), GFP_KERNEL);
 	if (!dsi)
@@ -114,62 +163,90 @@ static struct mipi_dsi_device *mipi_dsi_device_alloc(struct mipi_dsi_host *host)
 	dsi->dev.bus = &mipi_dsi_bus_type;
 	dsi->dev.parent = host->dev;
 	dsi->dev.type = &mipi_dsi_device_type;
+	dsi->dev.of_node = info->node;
+	dsi->channel = info->reg;
+	strlcpy(dsi->name, info->name, sizeof(dsi->name));
 
-	device_initialize(&dsi->dev);
+	dev_set_name(&dsi->dev, "%s.%d", dev_name(host->dev), info->reg);
 
-	return dsi;
-}
-
-static int mipi_dsi_device_add(struct mipi_dsi_device *dsi)
-{
-	struct mipi_dsi_host *host = dsi->host;
+	r = mipi_dsi_check_chan_busy(host, info->reg);
+	if (r)
+		goto err;
 
-	dev_set_name(&dsi->dev, "%s.%d", dev_name(host->dev),  dsi->channel);
+	r = device_register(&dsi->dev);
+	if (r)
+		goto err;
 
-	return device_add(&dsi->dev);
+	return dsi;
+err:
+	kfree(dsi);
+	return ERR_PTR(r);
 }
 
 static struct mipi_dsi_device *
 of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node)
 {
-	struct mipi_dsi_device *dsi;
 	struct device *dev = host->dev;
+	struct mipi_dsi_device_info info = { };
 	int ret;
-	u32 reg;
 
-	ret = of_property_read_u32(node, "reg", &reg);
+	if (of_modalias_node(node, info.name, sizeof(info.name)) < 0) {
+		dev_err(dev, "modalias failure on %s\n", node->full_name);
+		return ERR_PTR(-EINVAL);
+	}
+
+	ret = of_property_read_u32(node, "reg", &info.reg);
 	if (ret) {
 		dev_err(dev, "device node %s has no valid reg property: %d\n",
 			node->full_name, ret);
 		return ERR_PTR(-EINVAL);
 	}
 
-	if (reg > 3) {
-		dev_err(dev, "device node %s has invalid reg property: %u\n",
-			node->full_name, reg);
-		return ERR_PTR(-EINVAL);
-	}
+	info.node = of_node_get(node);
 
-	dsi = mipi_dsi_device_alloc(host);
-	if (IS_ERR(dsi)) {
-		dev_err(dev, "failed to allocate DSI device %s: %ld\n",
-			node->full_name, PTR_ERR(dsi));
-		return dsi;
-	}
+	return mipi_dsi_device_new(host, &info);
+}
+
+static struct mipi_dsi_driver dummy_dsi_driver = {
+	.driver.name = "mipi_dsi_dummy",
+};
 
-	dsi->dev.of_node = of_node_get(node);
-	dsi->channel = reg;
+struct mipi_dsi_device *mipi_dsi_new_dummy(struct mipi_dsi_host *host, u32 reg)
+{
+	struct mipi_dsi_device_info info = { "dummy", reg, NULL, };
 
-	ret = mipi_dsi_device_add(dsi);
-	if (ret) {
-		dev_err(dev, "failed to add DSI device %s: %d\n",
-			node->full_name, ret);
-		kfree(dsi);
-		return ERR_PTR(ret);
+	return mipi_dsi_device_new(host, &info);
+}
+EXPORT_SYMBOL(mipi_dsi_new_dummy);
+
+void mipi_dsi_unregister_device(struct mipi_dsi_device *dsi)
+{
+	if (dsi)
+		device_unregister(&dsi->dev);
+}
+EXPORT_SYMBOL(mipi_dsi_unregister_device);
+
+static DEFINE_MUTEX(host_lock);
+static LIST_HEAD(host_list);
+
+struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node)
+{
+	struct mipi_dsi_host *host;
+
+	mutex_lock(&host_lock);
+
+	list_for_each_entry(host, &host_list, list) {
+		if (host->dev->of_node == node) {
+			mutex_unlock(&host_lock);
+			return host;
+		}
 	}
 
-	return dsi;
+	mutex_unlock(&host_lock);
+
+	return NULL;
 }
+EXPORT_SYMBOL(of_find_mipi_dsi_host_by_node);
 
 int mipi_dsi_host_register(struct mipi_dsi_host *host)
 {
@@ -182,6 +259,10 @@ int mipi_dsi_host_register(struct mipi_dsi_host *host)
 		of_mipi_dsi_device_add(host, node);
 	}
 
+	mutex_lock(&host_lock);
+	list_add_tail(&host->list, &host_list);
+	mutex_unlock(&host_lock);
+
 	return 0;
 }
 EXPORT_SYMBOL(mipi_dsi_host_register);
@@ -198,6 +279,10 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv)
 void mipi_dsi_host_unregister(struct mipi_dsi_host *host)
 {
 	device_for_each_child(host->dev, NULL, mipi_dsi_remove_device_fn);
+
+	mutex_lock(&host_lock);
+	list_del_init(&host->list);
+	mutex_unlock(&host_lock);
 }
 EXPORT_SYMBOL(mipi_dsi_host_unregister);
 
@@ -924,7 +1009,13 @@ EXPORT_SYMBOL(mipi_dsi_driver_unregister);
 
 static int __init mipi_dsi_bus_init(void)
 {
-	return bus_register(&mipi_dsi_bus_type);
+	int ret;
+
+	ret = bus_register(&mipi_dsi_bus_type);
+	if (ret < 0)
+		return ret;
+
+	return mipi_dsi_driver_register(&dummy_dsi_driver);
 }
 postcore_initcall(mipi_dsi_bus_init);
 
diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile
index 2c72eb584ab7..46cc9fb18367 100644
--- a/drivers/gpu/drm/i2c/Makefile
+++ b/drivers/gpu/drm/i2c/Makefile
@@ -1,6 +1,6 @@
 ccflags-y := -Iinclude/drm
 
-obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o
+obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o adv7511_audio.o
 
 ch7006-y := ch7006_drv.o ch7006_mode.o
 obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
index 00416f23b5cb..7298f794ae20 100644
--- a/drivers/gpu/drm/i2c/adv7511.c
+++ b/drivers/gpu/drm/i2c/adv7511.c
@@ -12,41 +12,19 @@
 #include <linux/module.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/of_graph.h>
 
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_encoder_slave.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_mipi_dsi.h>
 
 #include "adv7511.h"
 
-struct adv7511 {
-	struct i2c_client *i2c_main;
-	struct i2c_client *i2c_edid;
-
-	struct regmap *regmap;
-	struct regmap *packet_memory_regmap;
-	enum drm_connector_status status;
-	bool powered;
-
-	unsigned int f_tmds;
-
-	unsigned int current_edid_segment;
-	uint8_t edid_buf[256];
-	bool edid_read;
-
-	wait_queue_head_t wq;
-	struct drm_encoder *encoder;
-
-	bool embedded_sync;
-	enum adv7511_sync_polarity vsync_polarity;
-	enum adv7511_sync_polarity hsync_polarity;
-	bool rgb;
-
-	struct edid *edid;
-
-	struct gpio_desc *gpio_pd;
-};
+#define HPD_ENABLE	0
 
 static struct adv7511 *encoder_to_adv7511(struct drm_encoder *encoder)
 {
@@ -66,6 +44,24 @@ static const struct reg_sequence adv7511_fixed_registers[] = {
 	{ 0x55, 0x02 },
 };
 
+/* ADI recommended values for proper operation. */
+static const struct reg_sequence adv7533_fixed_registers[] = {
+	{ 0x16, 0x20 },
+	{ 0x9a, 0xe0 },
+	{ 0xba, 0x70 },
+	{ 0xde, 0x82 },
+	{ 0xe4, 0x40 },
+	{ 0xe5, 0x80 },
+};
+
+static const struct reg_sequence adv7533_cec_fixed_registers[] = {
+	{ 0x15, 0xd0 },
+	{ 0x17, 0xd0 },
+	{ 0x24, 0x20 },
+	{ 0x57, 0x11 },
+	{ 0x05, 0xc8 },
+};
+
 /* -----------------------------------------------------------------------------
  * Register access
  */
@@ -158,6 +154,15 @@ static const struct regmap_config adv7511_regmap_config = {
 	.volatile_reg = adv7511_register_volatile,
 };
 
+static const struct regmap_config adv7533_cec_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = 0xff,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+
 /* -----------------------------------------------------------------------------
  * Hardware configuration
  */
@@ -193,7 +198,7 @@ static void adv7511_set_colormap(struct adv7511 *adv7511, bool enable,
 			   ADV7511_CSC_UPDATE_MODE, 0);
 }
 
-static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
+int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
 {
 	if (packet & 0xff)
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
@@ -208,7 +213,7 @@ static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
 	return 0;
 }
 
-static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet)
+int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet)
 {
 	if (packet & 0xff)
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0,
@@ -358,6 +363,73 @@ static void adv7511_set_link_config(struct adv7511 *adv7511,
 	adv7511->rgb = config->input_colorspace == HDMI_COLORSPACE_RGB;
 }
 
+static void adv7511_dsi_config_tgen(struct adv7511 *adv7511)
+{
+	struct mipi_dsi_device *dsi = adv7511->dsi;
+	struct drm_display_mode *mode = &adv7511->curr_mode;
+	u8 clock_div_by_lanes[] = { 6, 4, 3 }; /* 2, 3, 4 lanes */
+	unsigned int hsw, hfp, hbp, vsw, vfp, vbp;
+
+	hsw = mode->hsync_end - mode->hsync_start;
+	hfp = mode->hsync_start - mode->hdisplay;
+	hbp = mode->htotal - mode->hsync_end;
+	vsw = mode->vsync_end - mode->vsync_start;
+	vfp = mode->vsync_start - mode->vdisplay;
+	vbp = mode->vtotal - mode->vsync_end;
+
+	/* set pixel clock divider mode */
+	regmap_write(adv7511->regmap_cec, 0x16,
+			clock_div_by_lanes[dsi->lanes - 2] << 3);
+
+	/* horizontal porch params */
+	regmap_write(adv7511->regmap_cec, 0x28, mode->htotal >> 4);
+	regmap_write(adv7511->regmap_cec, 0x29, (mode->htotal << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x2a, hsw >> 4);
+	regmap_write(adv7511->regmap_cec, 0x2b, (hsw << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x2c, hfp >> 4);
+	regmap_write(adv7511->regmap_cec, 0x2d, (hfp << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x2e, hbp >> 4);
+	regmap_write(adv7511->regmap_cec, 0x2f, (hbp << 4) & 0xff);
+
+	/* vertical porch params */
+	regmap_write(adv7511->regmap_cec, 0x30, mode->vtotal >> 4);
+	regmap_write(adv7511->regmap_cec, 0x31, (mode->vtotal << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x32, vsw >> 4);
+	regmap_write(adv7511->regmap_cec, 0x33, (vsw << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x34, vfp >> 4);
+	regmap_write(adv7511->regmap_cec, 0x35, (vfp << 4) & 0xff);
+	regmap_write(adv7511->regmap_cec, 0x36, vbp >> 4);
+	regmap_write(adv7511->regmap_cec, 0x37, (vbp << 4) & 0xff);
+}
+
+static void adv7511_dsi_receiver_dpms(struct adv7511 *adv7511)
+{
+	if (adv7511->type != ADV7533)
+		return;
+
+	if (adv7511->powered) {
+		struct mipi_dsi_device *dsi = adv7511->dsi;
+
+		adv7511_dsi_config_tgen(adv7511);
+
+		/* set number of dsi lanes */
+		regmap_write(adv7511->regmap_cec, 0x1c, dsi->lanes << 4);
+
+		/* reset internal timing generator */
+		regmap_write(adv7511->regmap_cec, 0x27, 0xcb);
+		regmap_write(adv7511->regmap_cec, 0x27, 0x8b);
+		regmap_write(adv7511->regmap_cec, 0x27, 0xcb);
+
+		/* enable hdmi */
+		regmap_write(adv7511->regmap_cec, 0x03, 0x89);
+		/* disable test mode */
+		regmap_write(adv7511->regmap_cec, 0x55, 0x00);
+	} else {
+		regmap_write(adv7511->regmap_cec, 0x03, 0x0b);
+		regmap_write(adv7511->regmap_cec, 0x27, 0x0b);
+	}
+}
+
 static void adv7511_power_on(struct adv7511 *adv7511)
 {
 	adv7511->current_edid_segment = -1;
@@ -386,7 +458,13 @@ static void adv7511_power_on(struct adv7511 *adv7511)
 	 */
 	regcache_sync(adv7511->regmap);
 
+	if (adv7511->type == ADV7533)
+		regmap_register_patch(adv7511->regmap_cec,
+				      adv7533_cec_fixed_registers,
+				      ARRAY_SIZE(adv7533_cec_fixed_registers));
 	adv7511->powered = true;
+
+	adv7511_dsi_receiver_dpms(adv7511);
 }
 
 static void adv7511_power_off(struct adv7511 *adv7511)
@@ -398,12 +476,15 @@ static void adv7511_power_off(struct adv7511 *adv7511)
 	regcache_mark_dirty(adv7511->regmap);
 
 	adv7511->powered = false;
+
+	adv7511_dsi_receiver_dpms(adv7511);
 }
 
 /* -----------------------------------------------------------------------------
  * Interrupt and hotplug detection
  */
 
+#if HPD_ENABLE
 static bool adv7511_hpd(struct adv7511 *adv7511)
 {
 	unsigned int irq0;
@@ -421,8 +502,9 @@ static bool adv7511_hpd(struct adv7511 *adv7511)
 
 	return false;
 }
+#endif
 
-static int adv7511_irq_process(struct adv7511 *adv7511)
+static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
 {
 	unsigned int irq0, irq1;
 	int ret;
@@ -438,7 +520,7 @@ static int adv7511_irq_process(struct adv7511 *adv7511)
 	regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
 	regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
 
-	if (irq0 & ADV7511_INT0_HDP && adv7511->encoder)
+	if (process_hpd && irq0 & ADV7511_INT0_HDP && adv7511->encoder)
 		drm_helper_hpd_irq_event(adv7511->encoder->dev);
 
 	if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
@@ -456,7 +538,7 @@ static irqreturn_t adv7511_irq_handler(int irq, void *devid)
 	struct adv7511 *adv7511 = devid;
 	int ret;
 
-	ret = adv7511_irq_process(adv7511);
+	ret = adv7511_irq_process(adv7511, true);
 	return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
 }
 
@@ -473,7 +555,7 @@ static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout)
 				adv7511->edid_read, msecs_to_jiffies(timeout));
 	} else {
 		for (; timeout > 0; timeout -= 25) {
-			ret = adv7511_irq_process(adv7511);
+			ret = adv7511_irq_process(adv7511, false);
 			if (ret < 0)
 				break;
 
@@ -555,18 +637,19 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
 }
 
 /* -----------------------------------------------------------------------------
- * Encoder operations
+ * ADV75xx helpers
  */
-
-static int adv7511_get_modes(struct drm_encoder *encoder,
-			     struct drm_connector *connector)
+static int adv7511_get_modes(struct adv7511 *adv7511,
+		struct drm_connector *connector)
 {
-	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
 	struct edid *edid;
 	unsigned int count;
 
 	/* Reading the EDID only works if the device is powered */
 	if (!adv7511->powered) {
+		regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+				   ADV7511_REG_POWER2_HDP_SRC_MASK,
+				   ADV7511_REG_POWER2_HDP_SRC_NONE);
 		regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
 			     ADV7511_INT0_EDID_READY);
 		regmap_write(adv7511->regmap, ADV7511_REG_INT(1),
@@ -596,24 +679,15 @@ static int adv7511_get_modes(struct drm_encoder *encoder,
 	return count;
 }
 
-static void adv7511_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
-
-	if (mode == DRM_MODE_DPMS_ON)
-		adv7511_power_on(adv7511);
-	else
-		adv7511_power_off(adv7511);
-}
-
 static enum drm_connector_status
-adv7511_encoder_detect(struct drm_encoder *encoder,
+adv7511_detect(struct adv7511 *adv7511,
 		       struct drm_connector *connector)
 {
-	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
 	enum drm_connector_status status;
 	unsigned int val;
+#if HPD_ENABLE
 	bool hpd;
+#endif
 	int ret;
 
 	ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
@@ -625,6 +699,7 @@ adv7511_encoder_detect(struct drm_encoder *encoder,
 	else
 		status = connector_status_disconnected;
 
+#if HPD_ENABLE
 	hpd = adv7511_hpd(adv7511);
 
 	/* The chip resets itself when the cable is disconnected, so in case
@@ -634,7 +709,7 @@ adv7511_encoder_detect(struct drm_encoder *encoder,
 	if (status == connector_status_connected && hpd && adv7511->powered) {
 		regcache_mark_dirty(adv7511->regmap);
 		adv7511_power_on(adv7511);
-		adv7511_get_modes(encoder, connector);
+		adv7511_get_modes(adv7511, connector);
 		if (adv7511->status == connector_status_connected)
 			status = connector_status_disconnected;
 	} else {
@@ -643,13 +718,14 @@ adv7511_encoder_detect(struct drm_encoder *encoder,
 				   ADV7511_REG_POWER2_HDP_SRC_MASK,
 				   ADV7511_REG_POWER2_HDP_SRC_BOTH);
 	}
+#endif
 
 	adv7511->status = status;
 	return status;
 }
 
-static int adv7511_encoder_mode_valid(struct drm_encoder *encoder,
-				      struct drm_display_mode *mode)
+static int adv7511_mode_valid(struct adv7511 *adv7511,
+				     const struct drm_display_mode *mode)
 {
 	if (mode->clock > 165000)
 		return MODE_CLOCK_HIGH;
@@ -657,11 +733,10 @@ static int adv7511_encoder_mode_valid(struct drm_encoder *encoder,
 	return MODE_OK;
 }
 
-static void adv7511_encoder_mode_set(struct drm_encoder *encoder,
+static void adv7511_mode_set(struct adv7511 *adv7511,
 				     struct drm_display_mode *mode,
 				     struct drm_display_mode *adj_mode)
 {
-	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
 	unsigned int low_refresh_rate;
 	unsigned int hsync_polarity = 0;
 	unsigned int vsync_polarity = 0;
@@ -744,6 +819,28 @@ static void adv7511_encoder_mode_set(struct drm_encoder *encoder,
 	regmap_update_bits(adv7511->regmap, 0x17,
 		0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
 
+	if (adv7511->type == ADV7533 && adv7511->num_dsi_lanes == 4) {
+		struct mipi_dsi_device *dsi = adv7511->dsi;
+		int lanes, ret;
+
+		if (adj_mode->clock > 80000)
+			lanes = 4;
+		else
+			lanes = 3;
+
+		if (lanes != dsi->lanes) {
+			mipi_dsi_detach(dsi);
+			dsi->lanes = lanes;
+			ret = mipi_dsi_attach(dsi);
+			if (ret) {
+				DRM_ERROR("Failed to change host lanes\n");
+				return;
+			}
+		}
+	}
+
+	drm_mode_copy(&adv7511->curr_mode, adj_mode);
+
 	/*
 	 * TODO Test first order 4:2:2 to 4:4:4 up conversion method, which is
 	 * supposed to give better results.
@@ -752,12 +849,247 @@ static void adv7511_encoder_mode_set(struct drm_encoder *encoder,
 	adv7511->f_tmds = mode->clock;
 }
 
+/* -----------------------------------------------------------------------------
+ * Encoder operations
+ */
+
+static int adv7511_encoder_get_modes(struct drm_encoder *encoder,
+			     struct drm_connector *connector)
+{
+	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
+
+	return adv7511_get_modes(adv7511, connector);
+}
+
+static void adv7511_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
+
+	if (mode == DRM_MODE_DPMS_ON)
+		adv7511_power_on(adv7511);
+	else
+		adv7511_power_off(adv7511);
+}
+
+static enum drm_connector_status
+adv7511_encoder_detect(struct drm_encoder *encoder,
+		       struct drm_connector *connector)
+{
+	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
+
+	return adv7511_detect(adv7511, connector);
+}
+
+static int adv7511_encoder_mode_valid(struct drm_encoder *encoder,
+				      struct drm_display_mode *mode)
+{
+	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
+
+	return adv7511_mode_valid(adv7511, mode);
+}
+
+static void adv7511_encoder_mode_set(struct drm_encoder *encoder,
+				     struct drm_display_mode *mode,
+				     struct drm_display_mode *adj_mode)
+{
+	struct adv7511 *adv7511 = encoder_to_adv7511(encoder);
+
+	adv7511_mode_set(adv7511, mode, adj_mode);
+}
+
 static struct drm_encoder_slave_funcs adv7511_encoder_funcs = {
 	.dpms = adv7511_encoder_dpms,
 	.mode_valid = adv7511_encoder_mode_valid,
 	.mode_set = adv7511_encoder_mode_set,
 	.detect = adv7511_encoder_detect,
-	.get_modes = adv7511_get_modes,
+	.get_modes = adv7511_encoder_get_modes,
+};
+
+/* -----------------------------------------------------------------------------
+ * Bridge and connector functions
+ */
+
+static struct adv7511 *connector_to_adv7511(struct drm_connector *connector)
+{
+	return container_of(connector, struct adv7511, connector);
+}
+
+/* Connector helper functions */
+static int adv7533_connector_get_modes(struct drm_connector *connector)
+{
+	struct adv7511 *adv = connector_to_adv7511(connector);
+
+	return adv7511_get_modes(adv, connector);
+}
+
+static struct drm_encoder *
+adv7533_connector_best_encoder(struct drm_connector *connector)
+{
+	struct adv7511 *adv = connector_to_adv7511(connector);
+
+	return adv->bridge.encoder;
+}
+
+static enum drm_mode_status
+adv7533_connector_mode_valid(struct drm_connector *connector,
+				struct drm_display_mode *mode)
+{
+	struct adv7511 *adv = connector_to_adv7511(connector);
+
+	return adv7511_mode_valid(adv, mode);
+}
+
+static struct drm_connector_helper_funcs adv7533_connector_helper_funcs = {
+	.get_modes = adv7533_connector_get_modes,
+	.best_encoder = adv7533_connector_best_encoder,
+	.mode_valid = adv7533_connector_mode_valid,
+};
+
+static enum drm_connector_status
+adv7533_connector_detect(struct drm_connector *connector, bool force)
+{
+	struct adv7511 *adv = connector_to_adv7511(connector);
+
+	return adv7511_detect(adv, connector);
+}
+
+static struct drm_connector_funcs adv7533_connector_funcs = {
+	.dpms = drm_atomic_helper_connector_dpms,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.detect = adv7533_connector_detect,
+	.destroy = drm_connector_cleanup,
+	.reset = drm_atomic_helper_connector_reset,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+/* Bridge funcs */
+static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge)
+{
+	return container_of(bridge, struct adv7511, bridge);
+}
+
+static void adv7533_bridge_pre_enable(struct drm_bridge *bridge)
+{
+	struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+	adv7511_power_on(adv);
+}
+
+static void adv7533_bridge_post_disable(struct drm_bridge *bridge)
+{
+	struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+#if HPD_ENABLE
+	if (!adv7511->powered)
+		return;
+#endif
+
+	adv7511_power_off(adv);
+}
+
+static void adv7533_bridge_enable(struct drm_bridge *bridge)
+{
+}
+
+static void adv7533_bridge_disable(struct drm_bridge *bridge)
+{
+}
+
+static void adv7533_bridge_mode_set(struct drm_bridge *bridge,
+				     struct drm_display_mode *mode,
+				     struct drm_display_mode *adj_mode)
+{
+	struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+	adv7511_mode_set(adv, mode, adj_mode);
+}
+
+static int adv7533_attach_dsi(struct adv7511 *adv7511)
+{
+	struct device *dev = &adv7511->i2c_main->dev;
+	struct mipi_dsi_device *dsi;
+	struct mipi_dsi_host *host;
+	int ret;
+
+	host = of_find_mipi_dsi_host_by_node(adv7511->host_node);
+	if (!host) {
+		dev_err(dev, "failed to find dsi host\n");
+		return -EPROBE_DEFER;
+	}
+
+	/* can adv7533 virtual channel be non-zero? */
+	dsi = mipi_dsi_new_dummy(host, 0);
+	if (IS_ERR(dsi)) {
+		dev_err(dev, "failed to create dummy dsi device\n");
+		ret = PTR_ERR(dsi);
+		goto err_dsi_device;
+	}
+
+	adv7511->dsi = dsi;
+
+	dsi->lanes = adv7511->num_dsi_lanes;
+	dsi->format = MIPI_DSI_FMT_RGB888;
+	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE
+			| MIPI_DSI_MODE_EOT_PACKET | MIPI_DSI_MODE_VIDEO_HSE;
+
+	ret = mipi_dsi_attach(dsi);
+	if (ret < 0) {
+		dev_err(dev, "failed to attach dsi to host\n");
+		goto err_dsi_attach;
+	}
+
+	return 0;
+
+err_dsi_attach:
+	mipi_dsi_unregister_device(dsi);
+err_dsi_device:
+	return ret;
+}
+
+static int adv7533_bridge_attach(struct drm_bridge *bridge)
+{
+	struct adv7511 *adv = bridge_to_adv7511(bridge);
+	int ret;
+
+	adv->encoder = bridge->encoder;
+
+	if (!bridge->encoder) {
+		DRM_ERROR("Parent encoder object not found");
+		return -ENODEV;
+	}
+
+#if HPD_ENABLE
+	adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
+#endif
+
+	ret = drm_connector_init(bridge->dev, &adv->connector,
+			&adv7533_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
+	if (ret) {
+		DRM_ERROR("Failed to initialize connector with drm\n");
+		return ret;
+	}
+	drm_connector_helper_add(&adv->connector,
+					&adv7533_connector_helper_funcs);
+	drm_connector_register(&adv->connector);
+	drm_mode_connector_attach_encoder(&adv->connector, adv->encoder);
+
+#if HPD_ENABLE
+	drm_helper_hpd_irq_event(adv->connector.dev);
+#endif
+
+	adv7533_attach_dsi(adv);
+
+	return ret;
+}
+
+static struct drm_bridge_funcs adv7533_bridge_funcs = {
+	.pre_enable = adv7533_bridge_pre_enable,
+	.enable = adv7533_bridge_enable,
+	.disable = adv7533_bridge_disable,
+	.post_disable = adv7533_bridge_post_disable,
+	.mode_set = adv7533_bridge_mode_set,
+	.attach = adv7533_bridge_attach,
 };
 
 /* -----------------------------------------------------------------------------
@@ -770,8 +1102,6 @@ static int adv7511_parse_dt(struct device_node *np,
 	const char *str;
 	int ret;
 
-	memset(config, 0, sizeof(*config));
-
 	of_property_read_u32(np, "adi,input-depth", &config->input_color_depth);
 	if (config->input_color_depth != 8 && config->input_color_depth != 10 &&
 	    config->input_color_depth != 12)
@@ -849,10 +1179,54 @@ static int adv7511_parse_dt(struct device_node *np,
 	return 0;
 }
 
+static int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv7511)
+{
+	u32 num_lanes;
+	struct device_node *endpoint;
+
+	of_property_read_u32(np, "adi,dsi-lanes", &num_lanes);
+
+	if (num_lanes < 1 || num_lanes > 4)
+		return -EINVAL;
+
+	adv7511->num_dsi_lanes = num_lanes;
+
+	endpoint = of_graph_get_next_endpoint(np, NULL);
+	if (!endpoint) {
+		DRM_ERROR("adv dsi input endpoint not found\n");
+		return -ENODEV;
+	}
+
+	adv7511->host_node = of_graph_get_remote_port_parent(endpoint);
+	if (!adv7511->host_node) {
+		DRM_ERROR("dsi host node not found\n");
+		of_node_put(endpoint);
+		return -ENODEV;
+	}
+
+	of_node_put(endpoint);
+	of_node_put(adv7511->host_node);
+
+	/* TODO: Check if these need to be parsed by DT or not */
+	adv7511->rgb = true;
+	adv7511->embedded_sync = false;
+
+	return 0;
+}
+
 static const int edid_i2c_addr = 0x7e;
 static const int packet_i2c_addr = 0x70;
 static const int cec_i2c_addr = 0x78;
 
+static const struct of_device_id adv7511_of_ids[] = {
+	{ .compatible = "adi,adv7511", .data = (void *) ADV7511 },
+	{ .compatible = "adi,adv7511w", .data = (void *) ADV7511 },
+	{ .compatible = "adi,adv7513", .data = (void *) ADV7511 },
+	{ .compatible = "adi,adv7533", .data = (void *) ADV7533 },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, adv7511_of_ids);
+
 static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 {
 	struct adv7511_link_config link_config;
@@ -871,7 +1245,21 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 	adv7511->powered = false;
 	adv7511->status = connector_status_disconnected;
 
-	ret = adv7511_parse_dt(dev->of_node, &link_config);
+	if (dev->of_node) {
+		const struct of_device_id *of_id;
+
+		of_id = of_match_node(adv7511_of_ids, dev->of_node);
+		adv7511->type = (enum adv7511_type) of_id->data;
+	} else {
+		adv7511->type = id->driver_data;
+	}
+
+	memset(&link_config, 0, sizeof(link_config));
+
+	if (adv7511->type == ADV7511)
+		ret = adv7511_parse_dt(dev->of_node, &link_config);
+	else
+		ret = adv7533_parse_dt(dev->of_node, adv7511);
 	if (ret)
 		return ret;
 
@@ -897,10 +1285,19 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 		return ret;
 	dev_dbg(dev, "Rev. %d\n", val);
 
-	ret = regmap_register_patch(adv7511->regmap, adv7511_fixed_registers,
-				    ARRAY_SIZE(adv7511_fixed_registers));
-	if (ret)
-		return ret;
+	if (adv7511->type == ADV7511) {
+		ret = regmap_register_patch(adv7511->regmap,
+				adv7511_fixed_registers,
+				ARRAY_SIZE(adv7511_fixed_registers));
+		if (ret)
+			return ret;
+	} else {
+		ret = regmap_register_patch(adv7511->regmap,
+				adv7533_fixed_registers,
+				ARRAY_SIZE(adv7533_fixed_registers));
+		if (ret)
+			return ret;
+	}
 
 	regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, edid_i2c_addr);
 	regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR,
@@ -913,6 +1310,27 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 	if (!adv7511->i2c_edid)
 		return -ENOMEM;
 
+	adv7511->i2c_cec = i2c_new_dummy(i2c->adapter, cec_i2c_addr >> 1);
+	if (!adv7511->i2c_cec) {
+		ret = -ENOMEM;
+		goto err_i2c_unregister_edid;
+	}
+
+	adv7511->regmap_cec = devm_regmap_init_i2c(adv7511->i2c_cec,
+					&adv7533_cec_regmap_config);
+	if (IS_ERR(adv7511->regmap_cec)) {
+		ret = PTR_ERR(adv7511->regmap_cec);
+		goto err_i2c_unregister_cec;
+	}
+
+	if (adv7511->type == ADV7533) {
+		ret = regmap_register_patch(adv7511->regmap_cec,
+				adv7533_cec_fixed_registers,
+				ARRAY_SIZE(adv7533_cec_fixed_registers));
+		if (ret)
+			return ret;
+	}
+
 	if (i2c->irq) {
 		init_waitqueue_head(&adv7511->wq);
 
@@ -921,7 +1339,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 						IRQF_ONESHOT, dev_name(dev),
 						adv7511);
 		if (ret)
-			goto err_i2c_unregister_device;
+			goto err_i2c_unregister_cec;
 	}
 
 	/* CEC is unused for now */
@@ -932,11 +1350,27 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 
 	i2c_set_clientdata(i2c, adv7511);
 
-	adv7511_set_link_config(adv7511, &link_config);
+	if (adv7511->type == ADV7511)
+		adv7511_set_link_config(adv7511, &link_config);
+
+	if (adv7511->type == ADV7533) {
+		adv7511->bridge.funcs = &adv7533_bridge_funcs;
+		adv7511->bridge.of_node = dev->of_node;
+
+		ret = drm_bridge_add(&adv7511->bridge);
+		if (ret) {
+			dev_err(dev, "failed to add adv7533 bridge\n");
+			goto err_i2c_unregister_cec;
+		}
+	}
+
+	adv7511_audio_init(dev);
 
 	return 0;
 
-err_i2c_unregister_device:
+err_i2c_unregister_cec:
+	i2c_unregister_device(adv7511->i2c_cec);
+err_i2c_unregister_edid:
 	i2c_unregister_device(adv7511->i2c_edid);
 
 	return ret;
@@ -946,10 +1380,18 @@ static int adv7511_remove(struct i2c_client *i2c)
 {
 	struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
 
+	adv7511_audio_exit(&i2c->dev);
+	i2c_unregister_device(adv7511->i2c_cec);
 	i2c_unregister_device(adv7511->i2c_edid);
 
 	kfree(adv7511->edid);
 
+	if (adv7511->type == ADV7533) {
+		mipi_dsi_detach(adv7511->dsi);
+		mipi_dsi_unregister_device(adv7511->dsi);
+		drm_bridge_remove(&adv7511->bridge);
+	}
+
 	return 0;
 }
 
@@ -959,6 +1401,9 @@ static int adv7511_encoder_init(struct i2c_client *i2c, struct drm_device *dev,
 
 	struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
 
+	if (adv7511->type == ADV7533)
+		return -ENODEV;
+
 	encoder->slave_priv = adv7511;
 	encoder->slave_funcs = &adv7511_encoder_funcs;
 
@@ -968,21 +1413,14 @@ static int adv7511_encoder_init(struct i2c_client *i2c, struct drm_device *dev,
 }
 
 static const struct i2c_device_id adv7511_i2c_ids[] = {
-	{ "adv7511", 0 },
-	{ "adv7511w", 0 },
-	{ "adv7513", 0 },
+	{ "adv7511", ADV7511 },
+	{ "adv7511w", ADV7511 },
+	{ "adv7513", ADV7511 },
+	{ "adv7533", ADV7533 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
 
-static const struct of_device_id adv7511_of_ids[] = {
-	{ .compatible = "adi,adv7511", },
-	{ .compatible = "adi,adv7511w", },
-	{ .compatible = "adi,adv7513", },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, adv7511_of_ids);
-
 static struct drm_i2c_encoder_driver adv7511_driver = {
 	.i2c_driver = {
 		.driver = {
diff --git a/drivers/gpu/drm/i2c/adv7511.h b/drivers/gpu/drm/i2c/adv7511.h
index 6599ed538426..e9008bf69caa 100644
--- a/drivers/gpu/drm/i2c/adv7511.h
+++ b/drivers/gpu/drm/i2c/adv7511.h
@@ -10,6 +10,16 @@
 #define __DRM_I2C_ADV7511_H__
 
 #include <linux/hdmi.h>
+#include <drm/drm_crtc_helper.h>
+
+struct regmap;
+struct adv7511;
+
+int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet);
+int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet);
+
+int adv7511_audio_init(struct device *dev);
+void adv7511_audio_exit(struct device *dev);
 
 #define ADV7511_REG_CHIP_REVISION		0x00
 #define ADV7511_REG_N0				0x01
@@ -229,6 +239,54 @@ enum adv7511_sync_polarity {
 	ADV7511_SYNC_POLARITY_HIGH,
 };
 
+enum adv7511_type {
+	ADV7511,
+	ADV7533,
+};
+
+struct adv7511 {
+	struct i2c_client *i2c_main;
+	struct i2c_client *i2c_edid;
+	struct i2c_client *i2c_cec;
+
+	struct regmap *regmap;
+	struct regmap *regmap_cec;
+	enum drm_connector_status status;
+	bool powered;
+
+	struct drm_display_mode curr_mode;
+
+	unsigned int f_tmds;
+	unsigned int f_audio;
+	unsigned int audio_source;
+
+	unsigned int current_edid_segment;
+	uint8_t edid_buf[256];
+	bool edid_read;
+
+	wait_queue_head_t wq;
+	struct drm_encoder *encoder;
+
+	struct drm_connector connector;
+	struct drm_bridge bridge;
+
+	bool embedded_sync;
+	enum adv7511_sync_polarity vsync_polarity;
+	enum adv7511_sync_polarity hsync_polarity;
+	bool rgb;
+
+	struct edid *edid;
+
+	struct gpio_desc *gpio_pd;
+
+	/* ADV7533 DSI RX related params */
+	struct device_node *host_node;
+	struct mipi_dsi_device *dsi;
+	u8 num_dsi_lanes;
+
+	enum adv7511_type type;
+};
+
 /**
  * struct adv7511_link_config - Describes adv7511 hardware configuration
  * @input_color_depth:		Number of bits per color component (8, 10 or 12)
diff --git a/drivers/gpu/drm/i2c/adv7511_audio.c b/drivers/gpu/drm/i2c/adv7511_audio.c
new file mode 100644
index 000000000000..52019e95d007
--- /dev/null
+++ b/drivers/gpu/drm/i2c/adv7511_audio.c
@@ -0,0 +1,312 @@
+/*
+ * Analog Devices ADV7511 HDMI transmitter driver
+ *
+ * Copyright 2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "adv7511.h"
+
+static const struct snd_soc_dapm_widget adv7511_dapm_widgets[] = {
+	SND_SOC_DAPM_OUTPUT("TMDS"),
+	SND_SOC_DAPM_AIF_IN("AIFIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_dapm_route adv7511_routes[] = {
+	{ "TMDS", NULL, "AIFIN" },
+};
+
+static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs,
+			       unsigned int *cts, unsigned int *n)
+{
+	switch (fs) {
+	case 32000:
+		*n = 4096;
+		break;
+	case 44100:
+		*n = 6272;
+		break;
+	case 48000:
+		*n = 6144;
+		break;
+	}
+
+	*cts = ((f_tmds * *n) / (128 * fs)) * 1000;
+}
+
+static int adv7511_update_cts_n(struct adv7511 *adv7511)
+{
+	unsigned int cts = 0;
+	unsigned int n = 0;
+
+	adv7511_calc_cts_n(adv7511->f_tmds, adv7511->f_audio, &cts, &n);
+
+	regmap_write(adv7511->regmap, ADV7511_REG_N0, (n >> 16) & 0xf);
+	regmap_write(adv7511->regmap, ADV7511_REG_N1, (n >> 8) & 0xff);
+	regmap_write(adv7511->regmap, ADV7511_REG_N2, n & 0xff);
+
+	regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL0,
+		     (cts >> 16) & 0xf);
+	regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL1,
+		     (cts >> 8) & 0xff);
+	regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL2,
+		     cts & 0xff);
+
+	return 0;
+}
+
+static int adv7511_hw_params(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params,
+			     struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_codec *codec = rtd->codec;
+	struct adv7511 *adv7511 = snd_soc_codec_get_drvdata(codec);
+	unsigned int rate;
+	unsigned int len;
+	switch (params_rate(params)) {
+	case 32000:
+		rate = ADV7511_SAMPLE_FREQ_32000;
+		break;
+	case 44100:
+		rate = ADV7511_SAMPLE_FREQ_44100;
+		break;
+	case 48000:
+		rate = ADV7511_SAMPLE_FREQ_48000;
+		break;
+	case 88200:
+		rate = ADV7511_SAMPLE_FREQ_88200;
+		break;
+	case 96000:
+		rate = ADV7511_SAMPLE_FREQ_96000;
+		break;
+	case 176400:
+		rate = ADV7511_SAMPLE_FREQ_176400;
+		break;
+	case 192000:
+		rate = ADV7511_SAMPLE_FREQ_192000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		len = ADV7511_I2S_SAMPLE_LEN_16;
+		break;
+	case SNDRV_PCM_FORMAT_S18_3LE:
+		len = ADV7511_I2S_SAMPLE_LEN_18;
+		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		len = ADV7511_I2S_SAMPLE_LEN_20;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		len = ADV7511_I2S_SAMPLE_LEN_24;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	adv7511->f_audio = params_rate(params);
+
+	adv7511_update_cts_n(adv7511);
+
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG3,
+			   ADV7511_AUDIO_CFG3_LEN_MASK, len);
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG,
+			   ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4);
+	regmap_write(adv7511->regmap, 0x73, 0x1);
+
+	return 0;
+}
+
+static int adv7511_set_dai_fmt(struct snd_soc_dai *codec_dai,
+			       unsigned int fmt)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct adv7511 *adv7511 = snd_soc_codec_get_drvdata(codec);
+	unsigned int audio_source, i2s_format = 0;
+	unsigned int invert_clock;
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		audio_source = ADV7511_AUDIO_SOURCE_I2S;
+		i2s_format = ADV7511_I2S_FORMAT_I2S;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		audio_source = ADV7511_AUDIO_SOURCE_I2S;
+		i2s_format = ADV7511_I2S_FORMAT_RIGHT_J;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		audio_source = ADV7511_AUDIO_SOURCE_I2S;
+		i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
+		break;
+//	case SND_SOC_DAIFMT_SPDIF:
+//		audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
+//		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		invert_clock = 0;
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		invert_clock = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_SOURCE, 0x70,
+			   audio_source << 4);
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, BIT(6),
+			   invert_clock << 6);
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_I2S_CONFIG, 0x03,
+			   i2s_format);
+
+	adv7511->audio_source = audio_source;
+
+	return 0;
+}
+
+static int adv7511_set_bias_level(struct snd_soc_codec *codec,
+				  enum snd_soc_bias_level level)
+{
+	struct adv7511 *adv7511 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		switch (adv7511->audio_source) {
+		case ADV7511_AUDIO_SOURCE_I2S:
+			break;
+		case ADV7511_AUDIO_SOURCE_SPDIF:
+			regmap_update_bits(adv7511->regmap,
+					   ADV7511_REG_AUDIO_CONFIG, BIT(7),
+					   BIT(7));
+			break;
+		}
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+			adv7511_packet_enable(adv7511,
+					ADV7511_PACKET_ENABLE_AUDIO_SAMPLE);
+			adv7511_packet_enable(adv7511,
+					ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME);
+			adv7511_packet_enable(adv7511,
+					ADV7511_PACKET_ENABLE_N_CTS);
+		} else {
+			adv7511_packet_disable(adv7511,
+					ADV7511_PACKET_ENABLE_AUDIO_SAMPLE);
+			adv7511_packet_disable(adv7511,
+					ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME);
+			adv7511_packet_disable(adv7511,
+					ADV7511_PACKET_ENABLE_N_CTS);
+		}
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
+				   BIT(7), 0);
+		break;
+	case SND_SOC_BIAS_OFF:
+		break;
+	}
+	dapm->bias_level = level;
+	return 0;
+}
+
+#define ADV7511_RATES (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 ADV7511_FORMATS (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 adv7511_dai_ops = {
+	.hw_params	= adv7511_hw_params,
+	/*.set_sysclk	= adv7511_set_dai_sysclk,*/
+	.set_fmt	= adv7511_set_dai_fmt,
+};
+
+static struct snd_soc_dai_driver adv7511_dai = {
+	.name = "adv7511",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = ADV7511_RATES,
+		.formats = ADV7511_FORMATS,
+	},
+	.ops = &adv7511_dai_ops,
+};
+
+static int adv7511_suspend(struct snd_soc_codec *codec)
+{
+	return adv7511_set_bias_level(codec, SND_SOC_BIAS_OFF);
+}
+
+static int adv7511_resume(struct snd_soc_codec *codec)
+{
+	return adv7511_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+}
+
+static int adv7511_probe(struct snd_soc_codec *codec)
+{
+	return adv7511_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+}
+
+static int adv7511_remove(struct snd_soc_codec *codec)
+{
+	adv7511_set_bias_level(codec, SND_SOC_BIAS_OFF);
+	return 0;
+}
+
+static struct snd_soc_codec_driver adv7511_codec_driver = {
+	.probe		    = adv7511_probe,
+	.remove		    = adv7511_remove,
+	.suspend	    = adv7511_suspend,
+	.resume		    = adv7511_resume,
+	.set_bias_level	    = adv7511_set_bias_level,
+
+	.dapm_widgets	    = adv7511_dapm_widgets,
+	.num_dapm_widgets   = ARRAY_SIZE(adv7511_dapm_widgets),
+	.dapm_routes	    = adv7511_routes,
+	.num_dapm_routes    = ARRAY_SIZE(adv7511_routes),
+};
+
+int adv7511_audio_init(struct device *dev)
+{
+    return snd_soc_register_codec(dev, &adv7511_codec_driver,
+		&adv7511_dai, 1);
+}
+
+void adv7511_audio_exit(struct device *dev)
+{
+	snd_soc_unregister_codec(dev);
+}
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index f1d8d0dbb4f1..fc1df05aeb85 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -100,10 +100,12 @@ struct mipi_dsi_host_ops {
 struct mipi_dsi_host {
 	struct device *dev;
 	const struct mipi_dsi_host_ops *ops;
+	struct list_head list;
 };
 
 int mipi_dsi_host_register(struct mipi_dsi_host *host);
 void mipi_dsi_host_unregister(struct mipi_dsi_host *host);
+struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);
 
 /* DSI mode flags */
 
@@ -139,10 +141,13 @@ enum mipi_dsi_pixel_format {
 	MIPI_DSI_FMT_RGB565,
 };
 
+#define DSI_DEV_NAME_SIZE		20
+
 /**
  * struct mipi_dsi_device - DSI peripheral device
  * @host: DSI host for this peripheral
  * @dev: driver model device node for this peripheral
+ * @name: name of the dsi peripheral
  * @channel: virtual channel assigned to the peripheral
  * @format: pixel format for video mode
  * @lanes: number of active data lanes
@@ -152,6 +157,8 @@ struct mipi_dsi_device {
 	struct mipi_dsi_host *host;
 	struct device dev;
 
+	char name[DSI_DEV_NAME_SIZE];
+
 	unsigned int channel;
 	unsigned int lanes;
 	enum mipi_dsi_pixel_format format;
@@ -163,6 +170,8 @@ static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev)
 	return container_of(dev, struct mipi_dsi_device, dev);
 }
 
+struct mipi_dsi_device *mipi_dsi_new_dummy(struct mipi_dsi_host *host, u32 reg);
+void mipi_dsi_unregister_device(struct mipi_dsi_device *dsi);
 struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);
 int mipi_dsi_attach(struct mipi_dsi_device *dsi);
 int mipi_dsi_detach(struct mipi_dsi_device *dsi);