diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 6cb57807f3f9..a41a630302b6 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -47,7 +47,6 @@
 #define DPI_VCID(vcid)			((vcid) & 0x3)
 
 #define DSI_DPI_COLOR_CODING		0x10
-#define LOOSELY18_EN			BIT(8)
 #define DPI_COLOR_CODING_16BIT_1	0x0
 #define DPI_COLOR_CODING_16BIT_2	0x1
 #define DPI_COLOR_CODING_16BIT_3	0x2
@@ -56,11 +55,6 @@
 #define DPI_COLOR_CODING_24BIT		0x5
 
 #define DSI_DPI_CFG_POL			0x14
-#define COLORM_ACTIVE_LOW		BIT(4)
-#define SHUTD_ACTIVE_LOW		BIT(3)
-#define HSYNC_ACTIVE_LOW		BIT(2)
-#define VSYNC_ACTIVE_LOW		BIT(1)
-#define DATAEN_ACTIVE_LOW		BIT(0)
 
 #define DSI_DPI_LP_CMD_TIM		0x18
 #define OUTVACT_LPCMD_TIME(p)		(((p) & 0xff) << 16)
@@ -81,27 +75,19 @@
 #define DSI_GEN_VCID			0x30
 
 #define DSI_MODE_CFG			0x34
-#define ENABLE_VIDEO_MODE		0
-#define ENABLE_CMD_MODE			BIT(0)
 
 #define DSI_VID_MODE_CFG		0x38
-#define ENABLE_LOW_POWER		(0x3f << 8)
-#define ENABLE_LOW_POWER_MASK		(0x3f << 8)
+#define ENABLE_LOW_POWER		0x3f
+
 #define VID_MODE_TYPE_NON_BURST_SYNC_PULSES	0x0
 #define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS	0x1
 #define VID_MODE_TYPE_BURST			0x2
-#define VID_MODE_TYPE_MASK			0x3
-#define VID_MODE_VPG_ENABLE		BIT(16)
-#define VID_MODE_VPG_HORIZONTAL		BIT(24)
 
 #define DSI_VID_PKT_SIZE		0x3c
-#define VID_PKT_SIZE(p)			((p) & 0x3fff)
 
 #define DSI_VID_NUM_CHUNKS		0x40
-#define VID_NUM_CHUNKS(c)		((c) & 0x1fff)
 
 #define DSI_VID_NULL_SIZE		0x44
-#define VID_NULL_SIZE(b)		((b) & 0x1fff)
 
 #define DSI_VID_HSA_TIME		0x48
 #define DSI_VID_HBP_TIME		0x4c
@@ -125,7 +111,6 @@
 #define GEN_SW_2P_TX_LP			BIT(10)
 #define GEN_SW_1P_TX_LP			BIT(9)
 #define GEN_SW_0P_TX_LP			BIT(8)
-#define ACK_RQST_EN			BIT(1)
 #define TEAR_FX_EN			BIT(0)
 
 #define CMD_MODE_ALL_LP			(MAX_RD_PKT_SIZE_LP | \
@@ -154,8 +139,6 @@
 #define GEN_CMD_EMPTY			BIT(0)
 
 #define DSI_TO_CNT_CFG			0x78
-#define HSTX_TO_CNT(p)			(((p) & 0xffff) << 16)
-#define LPRX_TO_CNT(p)			((p) & 0xffff)
 
 #define DSI_HS_RD_TO_CNT		0x7c
 #define DSI_LP_RD_TO_CNT		0x80
@@ -164,52 +147,17 @@
 #define DSI_BTA_TO_CNT			0x8c
 
 #define DSI_LPCLK_CTRL			0x94
-#define AUTO_CLKLANE_CTRL		BIT(1)
-#define PHY_TXREQUESTCLKHS		BIT(0)
-
 #define DSI_PHY_TMR_LPCLK_CFG		0x98
-#define PHY_CLKHS2LP_TIME(lbcc)		(((lbcc) & 0x3ff) << 16)
-#define PHY_CLKLP2HS_TIME(lbcc)		((lbcc) & 0x3ff)
-
 #define DSI_PHY_TMR_CFG			0x9c
-#define PHY_HS2LP_TIME(lbcc)		(((lbcc) & 0xff) << 24)
-#define PHY_LP2HS_TIME(lbcc)		(((lbcc) & 0xff) << 16)
-#define MAX_RD_TIME(lbcc)		((lbcc) & 0x7fff)
-#define PHY_HS2LP_TIME_V131(lbcc)	(((lbcc) & 0x3ff) << 16)
-#define PHY_LP2HS_TIME_V131(lbcc)	((lbcc) & 0x3ff)
-
 #define DSI_PHY_RSTZ			0xa0
-#define PHY_DISFORCEPLL			0
-#define PHY_ENFORCEPLL			BIT(3)
-#define PHY_DISABLECLK			0
-#define PHY_ENABLECLK			BIT(2)
-#define PHY_RSTZ			0
-#define PHY_UNRSTZ			BIT(1)
-#define PHY_SHUTDOWNZ			0
-#define PHY_UNSHUTDOWNZ			BIT(0)
-
 #define DSI_PHY_IF_CFG			0xa4
-#define PHY_STOP_WAIT_TIME(cycle)	(((cycle) & 0xff) << 8)
-#define N_LANES(n)			(((n) - 1) & 0x3)
-
-#define DSI_PHY_ULPS_CTRL		0xa8
-#define DSI_PHY_TX_TRIGGERS		0xac
 
 #define DSI_PHY_STATUS			0xb0
 #define PHY_STOP_STATE_CLK_LANE		BIT(2)
 #define PHY_LOCK			BIT(0)
 
 #define DSI_PHY_TST_CTRL0		0xb4
-#define PHY_TESTCLK			BIT(1)
-#define PHY_UNTESTCLK			0
-#define PHY_TESTCLR			BIT(0)
-#define PHY_UNTESTCLR			0
-
 #define DSI_PHY_TST_CTRL1		0xb8
-#define PHY_TESTEN			BIT(16)
-#define PHY_UNTESTEN			0
-#define PHY_TESTDOUT(n)			(((n) & 0xff) << 8)
-#define PHY_TESTDIN(n)			((n) & 0xff)
 
 #define DSI_INT_ST0			0xbc
 #define DSI_INT_ST1			0xc0
@@ -217,7 +165,6 @@
 #define DSI_INT_MSK1			0xc8
 
 #define DSI_PHY_TMR_RD_CFG		0xf4
-#define MAX_RD_TIME_V131(lbcc)		((lbcc) & 0x7fff)
 
 #define PHY_STATUS_TIMEOUT_US		10000
 #define CMD_PKT_STATUS_TIMEOUT_US	20000
@@ -236,6 +183,7 @@ struct dw_mipi_dsi {
 	u32 lanes;
 	u32 format;
 	unsigned long mode_flags;
+	u32 hw_version;
 
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs;
@@ -248,6 +196,53 @@ struct dw_mipi_dsi {
 	struct dw_mipi_dsi *slave; /* dual-dsi slave ptr */
 
 	const struct dw_mipi_dsi_plat_data *plat_data;
+
+	struct regmap_field	*field_dpi_18loosely_en;
+	struct regmap_field	*field_dpi_color_coding;
+	struct regmap_field	*field_dpi_vid;
+	struct regmap_field	*field_dpi_vsync_active_low;
+	struct regmap_field	*field_dpi_hsync_active_low;
+	struct regmap_field	*field_cmd_mode_ack_rqst_en;
+	struct regmap_field	*field_cmd_mode_all_lp_en;
+	struct regmap_field	*field_cmd_mode_en;
+	struct regmap_field	*field_cmd_pkt_status;
+	struct regmap_field	*field_vid_mode_en;
+	struct regmap_field	*field_vid_mode_type;
+	struct regmap_field	*field_vid_mode_low_power;
+	struct regmap_field	*field_vid_mode_vpg_en;
+	struct regmap_field	*field_vid_mode_vpg_horiz;
+	struct regmap_field	*field_vid_pkt_size;
+	struct regmap_field	*field_vid_hsa_time;
+	struct regmap_field	*field_vid_hbp_time;
+	struct regmap_field	*field_vid_hline_time;
+	struct regmap_field	*field_vid_vsa_time;
+	struct regmap_field	*field_vid_vbp_time;
+	struct regmap_field	*field_vid_vfp_time;
+	struct regmap_field	*field_vid_vactive_time;
+	struct regmap_field	*field_phy_txrequestclkhs;
+	struct regmap_field	*field_phy_bta_time;
+	struct regmap_field	*field_phy_max_rd_time;
+	struct regmap_field	*field_phy_lp2hs_time;
+	struct regmap_field	*field_phy_hs2lp_time;
+	struct regmap_field	*field_phy_clklp2hs_time;
+	struct regmap_field	*field_phy_clkhs2lp_time;
+	struct regmap_field	*field_phy_testclr;
+	struct regmap_field	*field_phy_unshutdownz;
+	struct regmap_field	*field_phy_unrstz;
+	struct regmap_field	*field_phy_enableclk;
+	struct regmap_field	*field_phy_forcepll;
+	struct regmap_field	*field_phy_nlanes;
+	struct regmap_field	*field_phy_stop_wait_time;
+	struct regmap_field	*field_phy_status;
+	struct regmap_field	*field_pckhdl_cfg;
+	struct regmap_field	*field_hstx_timeout_counter;
+	struct regmap_field	*field_lprx_timeout_counter;
+	struct regmap_field	*field_int_stat0;
+	struct regmap_field	*field_int_stat1;
+	struct regmap_field	*field_int_mask0;
+	struct regmap_field	*field_int_mask1;
+	struct regmap_field	*field_gen_hdr;
+	struct regmap_field	*field_gen_payload;
 };
 
 static const struct regmap_config dw_mipi_dsi_regmap_cfg = {
@@ -257,6 +252,111 @@ static const struct regmap_config dw_mipi_dsi_regmap_cfg = {
 	.name = "dw-mipi-dsi",
 };
 
+struct dw_mipi_dsi_variant {
+	/* Regmap field configs for DSI adapter */
+	struct reg_field	cfg_dpi_18loosely_en;
+	struct reg_field	cfg_dpi_color_coding;
+	struct reg_field	cfg_dpi_vid;
+	struct reg_field	cfg_dpi_vsync_active_low;
+	struct reg_field	cfg_dpi_hsync_active_low;
+	struct reg_field	cfg_cmd_mode_en;
+	struct reg_field	cfg_cmd_mode_ack_rqst_en;
+	struct reg_field	cfg_cmd_mode_all_lp_en;
+	struct reg_field	cfg_cmd_pkt_status;
+	struct reg_field	cfg_vid_mode_en;
+	struct reg_field	cfg_vid_mode_type;
+	struct reg_field	cfg_vid_mode_low_power;
+	struct reg_field	cfg_vid_mode_vpg_en;
+	struct reg_field	cfg_vid_mode_vpg_horiz;
+	struct reg_field	cfg_vid_pkt_size;
+	struct reg_field	cfg_vid_hsa_time;
+	struct reg_field	cfg_vid_hbp_time;
+	struct reg_field	cfg_vid_hline_time;
+	struct reg_field	cfg_vid_vsa_time;
+	struct reg_field	cfg_vid_vbp_time;
+	struct reg_field	cfg_vid_vfp_time;
+	struct reg_field	cfg_vid_vactive_time;
+	struct reg_field	cfg_phy_txrequestclkhs;
+	struct reg_field	cfg_phy_bta_time;
+	struct reg_field	cfg_phy_max_rd_time;
+	struct reg_field	cfg_phy_lp2hs_time;
+	struct reg_field	cfg_phy_hs2lp_time;
+	struct reg_field	cfg_phy_max_rd_time_v131;
+	struct reg_field	cfg_phy_lp2hs_time_v131;
+	struct reg_field	cfg_phy_hs2lp_time_v131;
+	struct reg_field	cfg_phy_clklp2hs_time;
+	struct reg_field	cfg_phy_clkhs2lp_time;
+	struct reg_field	cfg_phy_testclr;
+	struct reg_field	cfg_phy_unshutdownz;
+	struct reg_field	cfg_phy_unrstz;
+	struct reg_field	cfg_phy_enableclk;
+	struct reg_field	cfg_phy_forcepll;
+	struct reg_field	cfg_phy_nlanes;
+	struct reg_field	cfg_phy_stop_wait_time;
+	struct reg_field	cfg_phy_status;
+	struct reg_field	cfg_pckhdl_cfg;
+	struct reg_field	cfg_hstx_timeout_counter;
+	struct reg_field	cfg_lprx_timeout_counter;
+	struct reg_field	cfg_int_stat0;
+	struct reg_field	cfg_int_stat1;
+	struct reg_field	cfg_int_mask0;
+	struct reg_field	cfg_int_mask1;
+	struct reg_field	cfg_gen_hdr;
+	struct reg_field	cfg_gen_payload;
+};
+
+static const struct dw_mipi_dsi_variant dw_mipi_dsi_v130_v131_layout = {
+	.cfg_dpi_color_coding =		REG_FIELD(DSI_DPI_COLOR_CODING, 0, 3),
+	.cfg_dpi_18loosely_en =		REG_FIELD(DSI_DPI_COLOR_CODING, 8, 8),
+	.cfg_dpi_vid =			REG_FIELD(DSI_DPI_VCID, 0, 2),
+	.cfg_dpi_vsync_active_low =	REG_FIELD(DSI_DPI_CFG_POL, 1, 1),
+	.cfg_dpi_hsync_active_low =	REG_FIELD(DSI_DPI_CFG_POL, 2, 2),
+	.cfg_cmd_mode_ack_rqst_en =	REG_FIELD(DSI_CMD_MODE_CFG, 1, 1),
+	.cfg_cmd_mode_all_lp_en =	REG_FIELD(DSI_CMD_MODE_CFG, 8, 24),
+	.cfg_cmd_mode_en =		REG_FIELD(DSI_MODE_CFG, 0, 31),
+	.cfg_cmd_pkt_status =		REG_FIELD(DSI_CMD_PKT_STATUS, 0, 31),
+	.cfg_vid_mode_en =		REG_FIELD(DSI_MODE_CFG, 0, 31),
+	.cfg_vid_mode_type =		REG_FIELD(DSI_VID_MODE_CFG, 0, 1),
+	.cfg_vid_mode_low_power =	REG_FIELD(DSI_VID_MODE_CFG, 8, 13),
+	.cfg_vid_mode_vpg_en =		REG_FIELD(DSI_VID_MODE_CFG, 16, 16),
+	.cfg_vid_mode_vpg_horiz =	REG_FIELD(DSI_VID_MODE_CFG, 24, 24),
+	.cfg_vid_pkt_size =		REG_FIELD(DSI_VID_PKT_SIZE, 0, 10),
+	.cfg_vid_hsa_time =		REG_FIELD(DSI_VID_HSA_TIME, 0, 31),
+	.cfg_vid_hbp_time =		REG_FIELD(DSI_VID_HBP_TIME, 0, 31),
+	.cfg_vid_hline_time =		REG_FIELD(DSI_VID_HLINE_TIME, 0, 31),
+	.cfg_vid_vsa_time =		REG_FIELD(DSI_VID_VSA_LINES, 0, 31),
+	.cfg_vid_vbp_time =		REG_FIELD(DSI_VID_VBP_LINES, 0, 31),
+	.cfg_vid_vfp_time =		REG_FIELD(DSI_VID_VFP_LINES, 0, 31),
+	.cfg_vid_vactive_time =		REG_FIELD(DSI_VID_VACTIVE_LINES, 0, 31),
+	.cfg_phy_txrequestclkhs =	REG_FIELD(DSI_LPCLK_CTRL, 0, 0),
+	.cfg_phy_bta_time =		REG_FIELD(DSI_BTA_TO_CNT, 0, 31),
+	.cfg_phy_max_rd_time =		REG_FIELD(DSI_PHY_TMR_CFG, 0, 15),
+	.cfg_phy_lp2hs_time =		REG_FIELD(DSI_PHY_TMR_CFG, 16, 23),
+	.cfg_phy_hs2lp_time =		REG_FIELD(DSI_PHY_TMR_CFG, 24, 31),
+	.cfg_phy_max_rd_time_v131 =	REG_FIELD(DSI_PHY_TMR_RD_CFG, 0, 15),
+	.cfg_phy_lp2hs_time_v131 =	REG_FIELD(DSI_PHY_TMR_CFG, 0, 15),
+	.cfg_phy_hs2lp_time_v131 =	REG_FIELD(DSI_PHY_TMR_CFG, 16, 31),
+	.cfg_phy_clklp2hs_time =	REG_FIELD(DSI_PHY_TMR_LPCLK_CFG, 0, 15),
+	.cfg_phy_clkhs2lp_time =	REG_FIELD(DSI_PHY_TMR_LPCLK_CFG, 16, 31),
+	.cfg_phy_testclr =		REG_FIELD(DSI_PHY_TST_CTRL0, 0, 0),
+	.cfg_phy_unshutdownz =		REG_FIELD(DSI_PHY_RSTZ, 0, 0),
+	.cfg_phy_unrstz =		REG_FIELD(DSI_PHY_RSTZ, 1, 1),
+	.cfg_phy_enableclk =		REG_FIELD(DSI_PHY_RSTZ, 2, 2),
+	.cfg_phy_forcepll =		REG_FIELD(DSI_PHY_RSTZ, 3, 3),
+	.cfg_phy_nlanes =		REG_FIELD(DSI_PHY_IF_CFG, 0, 1),
+	.cfg_phy_stop_wait_time =	REG_FIELD(DSI_PHY_IF_CFG, 8, 15),
+	.cfg_phy_status =		REG_FIELD(DSI_PHY_STATUS, 0, 0),
+	.cfg_pckhdl_cfg =		REG_FIELD(DSI_PCKHDL_CFG, 0, 4),
+	.cfg_hstx_timeout_counter =	REG_FIELD(DSI_TO_CNT_CFG, 16, 31),
+	.cfg_lprx_timeout_counter =	REG_FIELD(DSI_TO_CNT_CFG, 0, 15),
+	.cfg_int_stat0 =		REG_FIELD(DSI_INT_ST0, 0, 31),
+	.cfg_int_stat1 =		REG_FIELD(DSI_INT_ST1, 0, 31),
+	.cfg_int_mask0 =		REG_FIELD(DSI_INT_MSK0, 0, 31),
+	.cfg_int_mask1 =		REG_FIELD(DSI_INT_MSK1, 0, 31),
+	.cfg_gen_hdr =			REG_FIELD(DSI_GEN_HDR, 0, 31),
+	.cfg_gen_payload =		REG_FIELD(DSI_GEN_PLD_DATA, 0, 31),
+};
+
 /*
  * Check if either a link to a master or slave is present
  */
@@ -357,15 +457,16 @@ static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,
 				   const struct mipi_dsi_msg *msg)
 {
 	bool lpm = msg->flags & MIPI_DSI_MSG_USE_LPM;
-	u32 val = 0;
+	u32 cmd_mode_lp = 0;
 
 	if (msg->flags & MIPI_DSI_MSG_REQ_ACK)
-		val |= ACK_RQST_EN;
+		regmap_field_write(dsi->field_cmd_mode_ack_rqst_en, 1);
+
 	if (lpm)
-		val |= CMD_MODE_ALL_LP;
+		regmap_field_write(dsi->field_cmd_mode_all_lp_en,
+				   CMD_MODE_ALL_LP);
 
-	regmap_write(dsi->regs, DSI_LPCLK_CTRL, lpm ? 0 : PHY_TXREQUESTCLKHS);
-	regmap_write(dsi->regs, DSI_CMD_MODE_CFG, val);
+	regmap_field_write(dsi->field_phy_txrequestclkhs, lpm ? 0 : 1);
 }
 
 static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
@@ -373,18 +474,18 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
 	int ret;
 	u32 val = 0, mask;
 
-	ret = regmap_read_poll_timeout(dsi->regs, DSI_CMD_PKT_STATUS,
-				       val, !(val & GEN_CMD_FULL), 1000,
-				       CMD_PKT_STATUS_TIMEOUT_US);
+	ret = regmap_field_read_poll_timeout(dsi->field_cmd_pkt_status,
+					     val, !(val & GEN_CMD_FULL),
+					     1000, CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret) {
 		dev_err(dsi->dev, "failed to get available command FIFO\n");
 		return ret;
 	}
 
-	regmap_write(dsi->regs, DSI_GEN_HDR, hdr_val);
+	regmap_field_write(dsi->field_gen_hdr, hdr_val);
 
 	mask = GEN_CMD_EMPTY | GEN_PLD_W_EMPTY;
-	ret = regmap_read_poll_timeout(dsi->regs, DSI_CMD_PKT_STATUS,
+	ret = regmap_field_read_poll_timeout(dsi->field_cmd_pkt_status,
 				       val, (val & mask) == mask,
 				       1000, CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret) {
@@ -407,20 +508,22 @@ static int dw_mipi_dsi_write(struct dw_mipi_dsi *dsi,
 		if (len < pld_data_bytes) {
 			word = 0;
 			memcpy(&word, tx_buf, len);
-			regmap_write(dsi->regs, DSI_GEN_PLD_DATA,
-				     le32_to_cpu(word));
+			regmap_field_write(dsi->field_gen_payload,
+					   le32_to_cpu(word));
 			len = 0;
 		} else {
 			memcpy(&word, tx_buf, pld_data_bytes);
-			regmap_write(dsi->regs, DSI_GEN_PLD_DATA,
-				     le32_to_cpu(word));
+			regmap_field_write(dsi->field_gen_payload,
+					   le32_to_cpu(word));
 			tx_buf += pld_data_bytes;
 			len -= pld_data_bytes;
 		}
 
-		ret = regmap_read_poll_timeout(dsi->regs, DSI_CMD_PKT_STATUS,
-					       val, !(val & GEN_PLD_W_FULL),
-					       1000, CMD_PKT_STATUS_TIMEOUT_US);
+		ret = regmap_field_read_poll_timeout(dsi->field_cmd_pkt_status,
+						     val,
+						     !(val & GEN_PLD_W_FULL),
+						     1000,
+						     CMD_PKT_STATUS_TIMEOUT_US);
 		if (ret) {
 			dev_err(dsi->dev,
 				"failed to get available write payload FIFO\n");
@@ -441,9 +544,9 @@ static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi,
 	u32 val = 0;
 
 	/* Wait end of the read operation */
-	ret = regmap_read_poll_timeout(dsi->regs, DSI_CMD_PKT_STATUS,
-				       val, !(val & GEN_RD_CMD_BUSY),
-				       1000, CMD_PKT_STATUS_TIMEOUT_US);
+	ret = regmap_field_read_poll_timeout(dsi->field_cmd_pkt_status,
+					     val, !(val & GEN_RD_CMD_BUSY),
+					     1000, CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret) {
 		dev_err(dsi->dev, "Timeout during read operation\n");
 		return ret;
@@ -451,15 +554,17 @@ static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi,
 
 	for (i = 0; i < len; i += 4) {
 		/* Read fifo must not be empty before all bytes are read */
-		ret = regmap_read_poll_timeout(dsi->regs, DSI_CMD_PKT_STATUS,
-					       val, !(val & GEN_PLD_R_EMPTY),
-					       1000, CMD_PKT_STATUS_TIMEOUT_US);
+		ret = regmap_field_read_poll_timeout(dsi->field_cmd_pkt_status,
+						     val,
+						     !(val & GEN_PLD_R_EMPTY),
+						     1000,
+						     CMD_PKT_STATUS_TIMEOUT_US);
 		if (ret) {
 			dev_err(dsi->dev, "Read payload FIFO is empty\n");
 			return ret;
 		}
 
-		regmap_read(dsi->regs, DSI_GEN_PLD_DATA, &val);
+		regmap_field_read(dsi->field_gen_payload, &val);
 		for (j = 0; j < 4 && j + i < len; j++)
 			buf[i + j] = val >> (8 * j);
 	}
@@ -513,30 +618,30 @@ static const struct mipi_dsi_host_ops dw_mipi_dsi_host_ops = {
 
 static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi)
 {
-	u32 val;
-
 	/*
 	 * TODO dw drv improvements
 	 * enabling low power is panel-dependent, we should use the
 	 * panel configuration here...
 	 */
-	val = ENABLE_LOW_POWER;
+	regmap_field_write(dsi->field_vid_mode_low_power, ENABLE_LOW_POWER);
 
 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)
-		val |= VID_MODE_TYPE_BURST;
+		regmap_field_write(dsi->field_vid_mode_type,
+				   VID_MODE_TYPE_BURST);
 	else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
-		val |= VID_MODE_TYPE_NON_BURST_SYNC_PULSES;
+		regmap_field_write(dsi->field_vid_mode_type,
+				   VID_MODE_TYPE_NON_BURST_SYNC_PULSES);
 	else
-		val |= VID_MODE_TYPE_NON_BURST_SYNC_EVENTS;
+		regmap_field_write(dsi->field_vid_mode_type,
+				   VID_MODE_TYPE_NON_BURST_SYNC_EVENTS);
 
 #ifdef CONFIG_DEBUG_FS
 	if (dsi->vpg) {
-		val |= VID_MODE_VPG_ENABLE;
-		val |= dsi->vpg_horizontal ? VID_MODE_VPG_HORIZONTAL : 0;
+		regmap_field_write(dsi->regs, dsi->field_vid_mode_vpg_en, 1);
+		regmap_field_write(dsi->regs, dsi->field_vid_mode_vpg_horiz,
+				   dsi->vpg_horizontal ? 1 : 0);
 	}
 #endif /* CONFIG_DEBUG_FS */
-
-	regmap_write(dsi->regs, DSI_VID_MODE_CFG, val);
 }
 
 static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,
@@ -545,11 +650,13 @@ static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,
 	regmap_write(dsi->regs, DSI_PWR_UP, RESET);
 
 	if (mode_flags & MIPI_DSI_MODE_VIDEO) {
-		regmap_write(dsi->regs, DSI_MODE_CFG, ENABLE_VIDEO_MODE);
+		regmap_field_write(dsi->field_cmd_mode_en, 0);
+
 		dw_mipi_dsi_video_mode_config(dsi);
-		regmap_write(dsi->regs, DSI_LPCLK_CTRL, PHY_TXREQUESTCLKHS);
+
+		regmap_field_write(dsi->field_phy_txrequestclkhs, 1);
 	} else {
-		regmap_write(dsi->regs, DSI_MODE_CFG, ENABLE_CMD_MODE);
+		regmap_field_write(dsi->field_cmd_mode_en, 1);
 	}
 
 	regmap_write(dsi->regs, DSI_PWR_UP, POWERUP);
@@ -558,7 +665,7 @@ static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,
 static void dw_mipi_dsi_disable(struct dw_mipi_dsi *dsi)
 {
 	regmap_write(dsi->regs, DSI_PWR_UP, RESET);
-	regmap_write(dsi->regs, DSI_PHY_RSTZ, PHY_RSTZ);
+	regmap_field_write(dsi->field_phy_unrstz, 0);
 }
 
 static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)
@@ -587,14 +694,15 @@ static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)
 static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,
 				   const struct drm_display_mode *mode)
 {
-	u32 val = 0, color = 0;
+	u32 color = 0;
 
 	switch (dsi->format) {
 	case MIPI_DSI_FMT_RGB888:
 		color = DPI_COLOR_CODING_24BIT;
 		break;
 	case MIPI_DSI_FMT_RGB666:
-		color = DPI_COLOR_CODING_18BIT_2 | LOOSELY18_EN;
+		color = DPI_COLOR_CODING_18BIT_2;
+		regmap_field_write(dsi->field_dpi_18loosely_en, 1);
 		break;
 	case MIPI_DSI_FMT_RGB666_PACKED:
 		color = DPI_COLOR_CODING_18BIT_1;
@@ -604,14 +712,15 @@ static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,
 		break;
 	}
 
-	if (mode->flags & DRM_MODE_FLAG_NVSYNC)
-		val |= VSYNC_ACTIVE_LOW;
-	if (mode->flags & DRM_MODE_FLAG_NHSYNC)
-		val |= HSYNC_ACTIVE_LOW;
+	regmap_field_write(dsi->field_dpi_color_coding, color);
+
+	if (!(mode->flags & DRM_MODE_FLAG_NVSYNC))
+		regmap_field_write(dsi->field_dpi_vsync_active_low, 1);
+	if (!(mode->flags & DRM_MODE_FLAG_NHSYNC))
+		regmap_field_write(dsi->field_dpi_hsync_active_low, 1);
+
+	regmap_field_write(dsi->field_dpi_vid, DPI_VCID(dsi->channel));
 
-	regmap_write(dsi->regs, DSI_DPI_VCID, DPI_VCID(dsi->channel));
-	regmap_write(dsi->regs, DSI_DPI_COLOR_CODING, color);
-	regmap_write(dsi->regs, DSI_DPI_CFG_POL, val);
 	/*
 	 * TODO dw drv improvements
 	 * largest packet sizes during hfp or during vsa/vpb/vfp
@@ -624,7 +733,8 @@ static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi,
 
 static void dw_mipi_dsi_packet_handler_config(struct dw_mipi_dsi *dsi)
 {
-	regmap_write(dsi->regs, DSI_PCKHDL_CFG, CRC_RX_EN | ECC_RX_EN | BTA_EN);
+	regmap_field_write(dsi->field_pckhdl_cfg,
+			   CRC_RX_EN | ECC_RX_EN | BTA_EN);
 }
 
 static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi,
@@ -637,11 +747,9 @@ static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi,
 	 * DSI_VNPCR.NPSIZE... especially because this driver supports
 	 * non-burst video modes, see dw_mipi_dsi_video_mode_config()...
 	 */
-
-	regmap_write(dsi->regs, DSI_VID_PKT_SIZE,
-		       dw_mipi_is_dual_mode(dsi) ?
-				VID_PKT_SIZE(mode->hdisplay / 2) :
-				VID_PKT_SIZE(mode->hdisplay));
+	regmap_field_write(dsi->field_vid_pkt_size,
+			   dw_mipi_is_dual_mode(dsi) ?
+				mode->hdisplay / 2 : mode->hdisplay);
 }
 
 static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi)
@@ -651,15 +759,17 @@ static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi)
 	 * compute high speed transmission counter timeout according
 	 * to the timeout clock division (TO_CLK_DIVISION) and byte lane...
 	 */
-	regmap_write(dsi->regs, DSI_TO_CNT_CFG,
-		     HSTX_TO_CNT(1000) | LPRX_TO_CNT(1000));
+	regmap_field_write(dsi->field_hstx_timeout_counter, 1000);
+	regmap_field_write(dsi->field_lprx_timeout_counter, 1000);
+
 	/*
 	 * TODO dw drv improvements
 	 * the Bus-Turn-Around Timeout Counter should be computed
 	 * according to byte lane...
 	 */
-	regmap_write(dsi->regs, DSI_BTA_TO_CNT, 0xd00);
-	regmap_write(dsi->regs, DSI_MODE_CFG, ENABLE_CMD_MODE);
+	regmap_field_write(dsi->field_phy_bta_time, 0xd00);
+
+	regmap_field_write(dsi->field_cmd_mode_en, 1);
 }
 
 /* Get lane byte clock cycles. */
@@ -693,13 +803,13 @@ static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi,
 	 * computations below may be improved...
 	 */
 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, htotal);
-	regmap_write(dsi->regs, DSI_VID_HLINE_TIME, lbcc);
+	regmap_field_write(dsi->field_vid_hline_time, lbcc);
 
 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hsa);
-	regmap_write(dsi->regs, DSI_VID_HSA_TIME, lbcc);
+	regmap_field_write(dsi->field_vid_hsa_time, lbcc);
 
 	lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hbp);
-	regmap_write(dsi->regs, DSI_VID_HBP_TIME, lbcc);
+	regmap_field_write(dsi->field_vid_hbp_time, lbcc);
 }
 
 static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi,
@@ -712,16 +822,14 @@ static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi,
 	vfp = mode->vsync_start - mode->vdisplay;
 	vbp = mode->vtotal - mode->vsync_end;
 
-	regmap_write(dsi->regs, DSI_VID_VACTIVE_LINES, vactive);
-	regmap_write(dsi->regs, DSI_VID_VSA_LINES, vsa);
-	regmap_write(dsi->regs, DSI_VID_VFP_LINES, vfp);
-	regmap_write(dsi->regs, DSI_VID_VBP_LINES, vbp);
+	regmap_field_write(dsi->field_vid_vactive_time, vactive);
+	regmap_field_write(dsi->field_vid_vsa_time, vsa);
+	regmap_field_write(dsi->field_vid_vfp_time, vfp);
+	regmap_field_write(dsi->field_vid_vbp_time, vbp);
 }
 
 static void dw_mipi_dsi_dphy_timing_config(struct dw_mipi_dsi *dsi)
 {
-	u32 hw_version;
-
 	/*
 	 * TODO dw drv improvements
 	 * data & clock lane timers should be computed according to panel
@@ -729,25 +837,12 @@ static void dw_mipi_dsi_dphy_timing_config(struct dw_mipi_dsi *dsi)
 	 * note: DSI_PHY_TMR_CFG.MAX_RD_TIME should be in line with
 	 * DSI_CMD_MODE_CFG.MAX_RD_PKT_SIZE_LP (see CMD_MODE_ALL_LP)
 	 */
+	regmap_field_write(dsi->field_phy_lp2hs_time, 0x40);
+	regmap_field_write(dsi->field_phy_hs2lp_time, 0x40);
 
-	regmap_read(dsi->regs, DSI_VERSION, &hw_version);
-	hw_version &= VERSION;
-
-	if (hw_version >= HWVER_131) {
-		regmap_write(dsi->regs, DSI_PHY_TMR_CFG,
-			     PHY_HS2LP_TIME_V131(0x40) |
-			     PHY_LP2HS_TIME_V131(0x40));
-		regmap_write(dsi->regs, DSI_PHY_TMR_RD_CFG,
-			     MAX_RD_TIME_V131(10000));
-	} else {
-		regmap_write(dsi->regs, DSI_PHY_TMR_CFG,
-			     PHY_HS2LP_TIME(0x40) |
-			     PHY_LP2HS_TIME(0x40) |
-			     MAX_RD_TIME(10000));
-	}
-
-	regmap_write(dsi->regs, DSI_PHY_TMR_LPCLK_CFG,
-		     PHY_CLKHS2LP_TIME(0x40) | PHY_CLKLP2HS_TIME(0x40));
+	regmap_field_write(dsi->field_phy_max_rd_time, 10000);
+	regmap_field_write(dsi->field_phy_clklp2hs_time, 0x40);
+	regmap_field_write(dsi->field_phy_clkhs2lp_time, 0x40);
 }
 
 static void dw_mipi_dsi_dphy_interface_config(struct dw_mipi_dsi *dsi)
@@ -757,18 +852,22 @@ static void dw_mipi_dsi_dphy_interface_config(struct dw_mipi_dsi *dsi)
 	 * stop wait time should be the maximum between host dsi
 	 * and panel stop wait times
 	 */
-	regmap_write(dsi->regs, DSI_PHY_IF_CFG,
-		     PHY_STOP_WAIT_TIME(0x20) | N_LANES(dsi->lanes));
+	regmap_field_write(dsi->field_phy_stop_wait_time, 0x20);
+	regmap_field_write(dsi->field_phy_nlanes, dsi->lanes - 1);
 }
 
 static void dw_mipi_dsi_dphy_init(struct dw_mipi_dsi *dsi)
 {
 	/* Clear PHY state */
-	regmap_write(dsi->regs, DSI_PHY_RSTZ, PHY_DISFORCEPLL | PHY_DISABLECLK
-		     | PHY_RSTZ | PHY_SHUTDOWNZ);
-	regmap_write(dsi->regs, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
-	regmap_write(dsi->regs, DSI_PHY_TST_CTRL0, PHY_TESTCLR);
-	regmap_write(dsi->regs, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR);
+	regmap_field_write(dsi->field_phy_enableclk, 0);
+	regmap_field_write(dsi->field_phy_unrstz, 0);
+	regmap_field_write(dsi->field_phy_unshutdownz, 0);
+
+	regmap_field_write(dsi->field_phy_forcepll, 0);
+
+	regmap_field_write(dsi->field_phy_testclr, 0);
+	regmap_field_write(dsi->field_phy_testclr, 1);
+	regmap_field_write(dsi->field_phy_testclr, 0);
 }
 
 static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi)
@@ -776,18 +875,21 @@ static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi)
 	u32 val = 0;
 	int ret;
 
-	regmap_write(dsi->regs, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK |
-		     PHY_UNRSTZ | PHY_UNSHUTDOWNZ);
+	regmap_field_write(dsi->field_phy_enableclk, 1);
+	regmap_field_write(dsi->field_phy_unrstz, 1);
+	regmap_field_write(dsi->field_phy_unshutdownz, 1);
+
+	regmap_field_write(dsi->field_phy_forcepll, 1);
 
-	ret = regmap_read_poll_timeout(dsi->regs, DSI_PHY_STATUS,
-				       val, val & PHY_LOCK,
-				       1000, PHY_STATUS_TIMEOUT_US);
+	ret = regmap_field_read_poll_timeout(dsi->field_phy_status,
+					     val, val & PHY_LOCK,
+					     1000, PHY_STATUS_TIMEOUT_US);
 	if (ret)
 		DRM_DEBUG_DRIVER("failed to wait phy lock state\n");
 
-	ret = regmap_read_poll_timeout(dsi->regs, DSI_PHY_STATUS,
-				       val, val & PHY_STOP_STATE_CLK_LANE, 1000,
-				       PHY_STATUS_TIMEOUT_US);
+	ret = regmap_field_read_poll_timeout(dsi->field_phy_status,
+					     val, val & PHY_STOP_STATE_CLK_LANE,
+					     1000, PHY_STATUS_TIMEOUT_US);
 	if (ret)
 		DRM_DEBUG_DRIVER("failed to wait phy clk lane stop state\n");
 }
@@ -796,10 +898,10 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi)
 {
 	u32 val;
 
-	regmap_read(dsi->regs, DSI_INT_ST0, &val);
-	regmap_read(dsi->regs, DSI_INT_ST1, &val);
-	regmap_write(dsi->regs, DSI_INT_MSK0, 0);
-	regmap_write(dsi->regs, DSI_INT_MSK1, 0);
+	regmap_field_read(dsi->field_int_stat0, &val);
+	regmap_field_read(dsi->field_int_stat1, &val);
+	regmap_field_write(dsi->field_int_mask0, 0);
+	regmap_field_write(dsi->field_int_mask1, 0);
 }
 
 static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge)
@@ -984,6 +1086,84 @@ static void dw_mipi_dsi_debugfs_remove(struct dw_mipi_dsi *dsi) { }
 
 #endif /* CONFIG_DEBUG_FS */
 
+static void dw_mipi_dsi_get_hw_version(struct dw_mipi_dsi *dsi)
+{
+	regmap_read(dsi->regs, DSI_VERSION, &dsi->hw_version);
+	dsi->hw_version &= VERSION;
+	if (!dsi->hw_version)
+		dev_err(dsi->dev, "Failed to read DSI hw version register\n");
+}
+
+#define INIT_FIELD(f) INIT_FIELD_CFG(field_##f, cfg_##f)
+#define INIT_FIELD_CFG(f, conf)						\
+	do {								\
+		dsi->f = devm_regmap_field_alloc(dsi->dev, dsi->regs,	\
+						 variant->conf);	\
+		if (IS_ERR(dsi->f))					\
+			dev_warn(dsi->dev, "Ignoring regmap field " #f "\n"); \
+	} while (0)
+
+static int dw_mipi_dsi_regmap_fields_init(struct dw_mipi_dsi *dsi)
+{
+	const struct dw_mipi_dsi_variant *variant = &dw_mipi_dsi_v130_v131_layout;
+
+	INIT_FIELD(dpi_18loosely_en);
+	INIT_FIELD(dpi_vid);
+	INIT_FIELD(dpi_color_coding);
+	INIT_FIELD(dpi_vsync_active_low);
+	INIT_FIELD(dpi_hsync_active_low);
+	INIT_FIELD(cmd_mode_ack_rqst_en);
+	INIT_FIELD(cmd_mode_all_lp_en);
+	INIT_FIELD(cmd_mode_en);
+	INIT_FIELD(cmd_pkt_status);
+	INIT_FIELD(vid_mode_en);
+	INIT_FIELD(vid_mode_type);
+	INIT_FIELD(vid_mode_low_power);
+	INIT_FIELD(vid_pkt_size);
+	INIT_FIELD(vid_hsa_time);
+	INIT_FIELD(vid_hbp_time);
+	INIT_FIELD(vid_hline_time);
+	INIT_FIELD(vid_vsa_time);
+	INIT_FIELD(vid_vbp_time);
+	INIT_FIELD(vid_vfp_time);
+	INIT_FIELD(vid_vactive_time);
+	INIT_FIELD(phy_txrequestclkhs);
+	INIT_FIELD(phy_testclr);
+	INIT_FIELD(phy_unshutdownz);
+	INIT_FIELD(phy_unrstz);
+	INIT_FIELD(phy_enableclk);
+	INIT_FIELD(phy_nlanes);
+	INIT_FIELD(phy_stop_wait_time);
+	INIT_FIELD(phy_status);
+	INIT_FIELD(pckhdl_cfg);
+	INIT_FIELD(hstx_timeout_counter);
+	INIT_FIELD(lprx_timeout_counter);
+	INIT_FIELD(int_stat0);
+	INIT_FIELD(int_stat1);
+	INIT_FIELD(int_mask0);
+	INIT_FIELD(int_mask1);
+	INIT_FIELD(gen_hdr);
+	INIT_FIELD(gen_payload);
+	INIT_FIELD(phy_bta_time);
+	INIT_FIELD(vid_mode_vpg_en);
+	INIT_FIELD(vid_mode_vpg_horiz);
+	INIT_FIELD(phy_clklp2hs_time);
+	INIT_FIELD(phy_clkhs2lp_time);
+	INIT_FIELD(phy_forcepll);
+
+	if (dsi->hw_version == HWVER_131) {
+		INIT_FIELD_CFG(field_phy_max_rd_time, cfg_phy_max_rd_time_v131);
+		INIT_FIELD_CFG(field_phy_lp2hs_time, cfg_phy_lp2hs_time_v131);
+		INIT_FIELD_CFG(field_phy_hs2lp_time, cfg_phy_hs2lp_time_v131);
+	} else {
+		INIT_FIELD(phy_max_rd_time);
+		INIT_FIELD(phy_lp2hs_time);
+		INIT_FIELD(phy_hs2lp_time);
+	}
+
+	return 0;
+}
+
 static struct dw_mipi_dsi *
 __dw_mipi_dsi_probe(struct platform_device *pdev,
 		    struct dw_mipi_dsi_plat_data *plat_data)
@@ -1065,6 +1245,14 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 		clk_disable_unprepare(dsi->pclk);
 	}
 
+	dw_mipi_dsi_get_hw_version(dsi);
+
+	ret = dw_mipi_dsi_regmap_fields_init(dsi);
+	if (ret) {
+		dev_err(dev, "Failed to init register layout map: %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
 	dw_mipi_dsi_debugfs_init(dsi);
 	pm_runtime_enable(dev);
 
