Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 367 insertions, 57 deletions

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35510.c b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
index 83a9cf53d2..d3bfdfc9cf 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt35510.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
@@ -36,6 +36,9 @@
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
 
+#define NT35510_CMD_CORRECT_GAMMA BIT(0)
+#define NT35510_CMD_CONTROL_DISPLAY BIT(1)
+
 #define MCS_CMD_MAUCCTR		0xF0 /* Manufacturer command enable */
 #define MCS_CMD_READ_ID1	0xDA
 #define MCS_CMD_READ_ID2	0xDB
@@ -112,18 +115,33 @@
 /* AVDD and AVEE setting 3 bytes */
 #define NT35510_P1_AVDD_LEN 3
 #define NT35510_P1_AVEE_LEN 3
+#define NT35510_P1_VCL_LEN 3
 #define NT35510_P1_VGH_LEN 3
 #define NT35510_P1_VGL_LEN 3
 #define NT35510_P1_VGP_LEN 3
 #define NT35510_P1_VGN_LEN 3
+#define NT35510_P1_VCMOFF_LEN 2
 /* BT1CTR thru BT5CTR setting 3 bytes */
 #define NT35510_P1_BT1CTR_LEN 3
 #define NT35510_P1_BT2CTR_LEN 3
+#define NT35510_P1_BT3CTR_LEN 3
 #define NT35510_P1_BT4CTR_LEN 3
 #define NT35510_P1_BT5CTR_LEN 3
 /* 52 gamma parameters times two per color: positive and negative */
 #define NT35510_P1_GAMMA_LEN 52
 
+#define NT35510_WRCTRLD_BCTRL BIT(5)
+#define NT35510_WRCTRLD_A BIT(4)
+#define NT35510_WRCTRLD_DD BIT(3)
+#define NT35510_WRCTRLD_BL BIT(2)
+#define NT35510_WRCTRLD_DB BIT(1)
+#define NT35510_WRCTRLD_G BIT(0)
+
+#define NT35510_WRCABC_OFF 0
+#define NT35510_WRCABC_UI_MODE 1
+#define NT35510_WRCABC_STILL_MODE 2
+#define NT35510_WRCABC_MOVING_MODE 3
+
 /**
  * struct nt35510_config - the display-specific NT35510 configuration
  *
@@ -172,6 +190,14 @@ struct nt35510_config {
 	 */
 	const struct drm_display_mode mode;
 	/**
+	 * @mode_flags: DSI operation mode related flags
+	 */
+	unsigned long mode_flags;
+	/**
+	 * @cmds: enable DSI commands
+	 */
+	u32 cmds;
+	/**
 	 * @avdd: setting for AVDD ranging from 0x00 = 6.5V to 0x14 = 4.5V
 	 * in 0.1V steps the default is 0x05 which means 6.0V
 	 */
@@ -221,6 +247,25 @@ struct nt35510_config {
 	 */
 	u8 bt2ctr[NT35510_P1_BT2CTR_LEN];
 	/**
+	 * @vcl: setting for VCL ranging from 0x00 = -2.5V to 0x11 = -4.0V
+	 * in 1V steps, the default is 0x00 which means -2.5V
+	 */
+	u8 vcl[NT35510_P1_VCL_LEN];
+	/**
+	 * @bt3ctr: setting for boost power control for the VCL step-up
+	 * circuit (3)
+	 * bits 0..2 in the lower nibble controls CLCK, the booster clock
+	 * frequency, the values are the same as for PCK in @bt1ctr.
+	 * bits 4..5 in the upper nibble controls BTCL, the boosting
+	 * amplification for the step-up circuit.
+	 * 0 = Disable
+	 * 1 = -0.5 x VDDB
+	 * 2 = -1 x VDDB
+	 * 3 = -2 x VDDB
+	 * The defaults are 4 and 2 yielding 0x24
+	 */
+	u8 bt3ctr[NT35510_P1_BT3CTR_LEN];
+	/**
 	 * @vgh: setting for VGH ranging from 0x00 = 7.0V to 0x0B = 18.0V
 	 * in 1V steps, the default is 0x08 which means 15V
 	 */
@@ -274,6 +319,113 @@ struct nt35510_config {
 	 */
 	u8 vgn[NT35510_P1_VGN_LEN];
 	/**
+	 * @vcmoff: setting the DC VCOM offset voltage
+	 * The first byte contains bit 8 of VCM in bit 0 and VCMOFFSEL in bit 4.
+	 * The second byte contains bits 0..7 of VCM.
+	 * VCMOFFSEL the common voltage offset mode.
+	 * VCMOFFSEL 0x00 = VCOM .. 0x01 Gamma.
+	 * The default is 0x00.
+	 * VCM the VCOM output voltage (VCMOFFSEL = 0) or the internal register
+	 * offset for gamma voltage (VCMOFFSEL = 1).
+	 * VCM 0x00 = 0V/0 .. 0x118 = 3.5V/280 in steps of 12.5mV/1step
+	 * The default is 0x00 = 0V/0.
+	 */
+	u8 vcmoff[NT35510_P1_VCMOFF_LEN];
+	/**
+	 * @dopctr: setting optional control for display
+	 * ERR bits 0..1 in the first byte is the ERR pin output signal setting.
+	 * 0 = Disable, ERR pin output low
+	 * 1 = ERR pin output CRC error only
+	 * 2 = ERR pin output ECC error only
+	 * 3 = ERR pin output CRC and ECC error
+	 * The default is 0.
+	 * N565 bit 2 in the first byte is the 16-bit/pixel format selection.
+	 * 0 = R[4:0] + G[5:3] & G[2:0] + B[4:0]
+	 * 1 = G[2:0] + R[4:0] & B[4:0] + G[5:3]
+	 * The default is 0.
+	 * DIS_EoTP_HS bit 3 in the first byte is "DSI protocol violation" error
+	 * reporting.
+	 * 0 = reporting when error
+	 * 1 = not reporting when error
+	 * DSIM bit 4 in the first byte is the video mode data type enable
+	 * 0 = Video mode data type disable
+	 * 1 = Video mode data type enable
+	 * The default is 0.
+	 * DSIG bit 5 int the first byte is the generic r/w data type enable
+	 * 0 = Generic r/w disable
+	 * 1 = Generic r/w enable
+	 * The default is 0.
+	 * DSITE bit 6 in the first byte is TE line enable
+	 * 0 = TE line is disabled
+	 * 1 = TE line is enabled
+	 * The default is 0.
+	 * RAMKP bit 7 in the first byte is the frame memory keep/loss in
+	 * sleep-in mode
+	 * 0 = contents loss in sleep-in
+	 * 1 = contents keep in sleep-in
+	 * The default is 0.
+	 * CRL bit 1 in the second byte is the source driver data shift
+	 * direction selection. This bit is XOR operation with bit RSMX
+	 * of 3600h command.
+	 * 0 (RMSX = 0) = S1 -> S1440
+	 * 0 (RMSX = 1) = S1440 -> S1
+	 * 1 (RMSX = 0) = S1440 -> S1
+	 * 1 (RMSX = 1) = S1 -> S1440
+	 * The default is 0.
+	 * CTB bit 2 in the second byte is the vertical scanning direction
+	 * selection for gate control signals. This bit is XOR operation
+	 * with bit ML of 3600h command.
+	 * 0 (ML = 0) = Forward (top -> bottom)
+	 * 0 (ML = 1) = Reverse (bottom -> top)
+	 * 1 (ML = 0) = Reverse (bottom -> top)
+	 * 1 (ML = 1) = Forward (top -> bottom)
+	 * The default is 0.
+	 * CRGB bit 3 in the second byte is RGB-BGR order selection. This
+	 * bit is XOR operation with bit RGB of 3600h command.
+	 * 0 (RGB = 0) = RGB/Normal
+	 * 0 (RGB = 1) = BGR/RB swap
+	 * 1 (RGB = 0) = BGR/RB swap
+	 * 1 (RGB = 1) = RGB/Normal
+	 * The default is 0.
+	 * TE_PWR_SEL bit 4 in the second byte is the TE output voltage
+	 * level selection (only valid when DSTB_SEL = 0 or DSTB_SEL = 1,
+	 * VSEL = High and VDDI = 1.665~3.3V).
+	 * 0 = TE output voltage level is VDDI
+	 * 1 = TE output voltage level is VDDA
+	 * The default is 0.
+	 */
+	u8 dopctr[NT35510_P0_DOPCTR_LEN];
+	/**
+	 * @madctl: Memory data access control
+	 * RSMY bit 0 is flip vertical. Flips the display image top to down.
+	 * RSMX bit 1 is flip horizontal. Flips the display image left to right.
+	 * MH bit 2 is the horizontal refresh order.
+	 * RGB bit 3 is the RGB-BGR order.
+	 * 0 = RGB color sequence
+	 * 1 = BGR color sequence
+	 * ML bit 4 is the vertical refresh order.
+	 * MV bit 5 is the row/column exchange.
+	 * MX bit 6 is the column address order.
+	 * MY bit 7 is the row address order.
+	 */
+	u8 madctl;
+	/**
+	 * @sdhdtctr: source output data hold time
+	 * 0x00..0x3F = 0..31.5us in steps of 0.5us
+	 * The default is 0x05 = 2.5us.
+	 */
+	u8 sdhdtctr;
+	/**
+	 * @gseqctr: EQ control for gate signals
+	 * GFEQ_XX[3:0]: time setting of EQ step for falling edge in steps
+	 * of 0.5us.
+	 * The default is 0x07 = 3.5us
+	 * GREQ_XX[7:4]: time setting of EQ step for rising edge in steps
+	 * of 0.5us.
+	 * The default is 0x07 = 3.5us
+	 */
+	u8 gseqctr[NT35510_P0_GSEQCTR_LEN];
+	/**
 	 * @sdeqctr: Source driver control settings, first byte is
 	 * 0 for mode 1 and 1 for mode 2. Mode 1 uses two steps and
 	 * mode 2 uses three steps meaning EQS3 is not used in mode
@@ -343,6 +495,43 @@ struct nt35510_config {
 	 * @gamma_corr_neg_b: Blue gamma correction parameters, negative
 	 */
 	u8 gamma_corr_neg_b[NT35510_P1_GAMMA_LEN];
+	/**
+	 * @wrdisbv: write display brightness
+	 * 0x00 value means the lowest brightness and 0xff value means
+	 * the highest brightness.
+	 * The default is 0x00.
+	 */
+	u8 wrdisbv;
+	/**
+	 * @wrctrld: write control display
+	 * G bit 0 selects gamma curve: 0 = Manual, 1 = Automatic
+	 * DB bit 1 selects display brightness: 0 = Manual, 1 = Automatic
+	 * BL bit 2 controls backlight control: 0 = Off, 1 = On
+	 * DD bit 3 controls display dimming: 0 = Off, 1 = On
+	 * A bit 4 controls LABC block: 0 = Off, 1 = On
+	 * BCTRL bit 5 controls brightness block: 0 = Off, 1 = On
+	 */
+	u8 wrctrld;
+	/**
+	 * @wrcabc: write content adaptive brightness control
+	 * There is possible to use 4 different modes for content adaptive
+	 * image functionality:
+	 * 0: Off
+	 * 1: User Interface Image (UI-Mode)
+	 * 2: Still Picture Image (Still-Mode)
+	 * 3: Moving Picture Image (Moving-Mode)
+	 * The default is 0
+	 */
+	u8 wrcabc;
+	/**
+	 * @wrcabcmb: write CABC minimum brightness
+	 * Set the minimum brightness value of the display for CABC
+	 * function.
+	 * 0x00 value means the lowest brightness for CABC and 0xff
+	 * value means the highest brightness for CABC.
+	 * The default is 0x00.
+	 */
+	u8 wrcabcmb;
 };
 
 /**
@@ -486,6 +675,16 @@ static int nt35510_setup_power(struct nt35510 *nt)
 				nt->conf->bt2ctr);
 	if (ret)
 		return ret;
+	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCL,
+				NT35510_P1_VCL_LEN,
+				nt->conf->vcl);
+	if (ret)
+		return ret;
+	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT3CTR,
+				NT35510_P1_BT3CTR_LEN,
+				nt->conf->bt3ctr);
+	if (ret)
+		return ret;
 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGH,
 				NT35510_P1_VGH_LEN,
 				nt->conf->vgh);
@@ -522,6 +721,12 @@ static int nt35510_setup_power(struct nt35510 *nt)
 	if (ret)
 		return ret;
 
+	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCMOFF,
+				NT35510_P1_VCMOFF_LEN,
+				nt->conf->vcmoff);
+	if (ret)
+		return ret;
+
 	/* Typically 10 ms */
 	usleep_range(10000, 20000);
 
@@ -536,46 +741,28 @@ static int nt35510_setup_display(struct nt35510 *nt)
 {
 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);
 	const struct nt35510_config *conf = nt->conf;
-	u8 dopctr[NT35510_P0_DOPCTR_LEN];
-	u8 gseqctr[NT35510_P0_GSEQCTR_LEN];
 	u8 dpfrctr[NT35510_P0_DPFRCTR1_LEN];
-	/* FIXME: set up any rotation (assume none for now) */
-	u8 addr_mode = NT35510_ROTATE_0_SETTING;
-	u8 val;
 	int ret;
 
-	/* Enable TE, EoTP and RGB pixel format */
-	dopctr[0] = NT35510_DOPCTR_0_DSITE | NT35510_DOPCTR_0_EOTP |
-		NT35510_DOPCTR_0_N565;
-	dopctr[1] = NT35510_DOPCTR_1_CTB;
 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DOPCTR,
 				NT35510_P0_DOPCTR_LEN,
-				dopctr);
+				conf->dopctr);
 	if (ret)
 		return ret;
 
-	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &addr_mode,
-				 sizeof(addr_mode));
+	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &conf->madctl,
+				 sizeof(conf->madctl));
 	if (ret < 0)
 		return ret;
 
-	/*
-	 * Source data hold time, default 0x05 = 2.5us
-	 * 0x00..0x3F = 0 .. 31.5us in steps of 0.5us
-	 * 0x0A = 5us
-	 */
-	val = 0x0A;
-	ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &val,
-				 sizeof(val));
+	ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &conf->sdhdtctr,
+				 sizeof(conf->sdhdtctr));
 	if (ret < 0)
 		return ret;
 
-	/* EQ control for gate signals, 0x00 = 0 us */
-	gseqctr[0] = 0x00;
-	gseqctr[1] = 0x00;
 	ret = nt35510_send_long(nt, dsi, NT35510_P0_GSEQCTR,
 				NT35510_P0_GSEQCTR_LEN,
-				gseqctr);
+				conf->gseqctr);
 	if (ret)
 		return ret;
 
@@ -719,36 +906,38 @@ static int nt35510_power_on(struct nt35510 *nt)
 	if (ret)
 		return ret;
 
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_pos_r);
-	if (ret)
-		return ret;
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_pos_g);
-	if (ret)
-		return ret;
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_pos_b);
-	if (ret)
-		return ret;
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_neg_r);
-	if (ret)
-		return ret;
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_neg_g);
-	if (ret)
-		return ret;
-	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,
-				NT35510_P1_GAMMA_LEN,
-				nt->conf->gamma_corr_neg_b);
-	if (ret)
-		return ret;
+	if (nt->conf->cmds & NT35510_CMD_CORRECT_GAMMA) {
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_pos_r);
+		if (ret)
+			return ret;
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_pos_g);
+		if (ret)
+			return ret;
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_pos_b);
+		if (ret)
+			return ret;
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_neg_r);
+		if (ret)
+			return ret;
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_neg_g);
+		if (ret)
+			return ret;
+		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,
+					NT35510_P1_GAMMA_LEN,
+					nt->conf->gamma_corr_neg_b);
+		if (ret)
+			return ret;
+	}
 
 	/* Set up stuff in  manufacturer control, page 0 */
 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,
@@ -827,6 +1016,26 @@ static int nt35510_prepare(struct drm_panel *panel)
 	/* Up to 120 ms */
 	usleep_range(120000, 150000);
 
+	if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY) {
+		ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+					 &nt->conf->wrctrld,
+					 sizeof(nt->conf->wrctrld));
+		if (ret < 0)
+			return ret;
+
+		ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_POWER_SAVE,
+					 &nt->conf->wrcabc,
+					 sizeof(nt->conf->wrcabc));
+		if (ret < 0)
+			return ret;
+
+		ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS,
+					 &nt->conf->wrcabcmb,
+					 sizeof(nt->conf->wrcabcmb));
+		if (ret < 0)
+			return ret;
+	}
+
 	ret = mipi_dsi_dcs_set_display_on(dsi);
 	if (ret) {
 		dev_err(nt->dev, "failed to turn display on (%d)\n", ret);
@@ -896,7 +1105,6 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
 	 */
 	dsi->hs_rate = 349440000;
 	dsi->lp_rate = 9600000;
-	dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
 
 	/*
 	 * Every new incarnation of this display must have a unique
@@ -908,6 +1116,8 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
 		return -ENODEV;
 	}
 
+	dsi->mode_flags = nt->conf->mode_flags;
+
 	nt->supplies[0].supply = "vdd"; /* 2.3-4.8 V */
 	nt->supplies[1].supply = "vddi"; /* 1.65-3.3V */
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->supplies),
@@ -923,7 +1133,7 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
 	if (ret)
 		return ret;
 
-	nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);
+	nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(nt->reset_gpio)) {
 		dev_err(dev, "error getting RESET GPIO\n");
 		return PTR_ERR(nt->reset_gpio);
@@ -952,7 +1162,10 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
 			return PTR_ERR(bl);
 		}
 		bl->props.max_brightness = 255;
-		bl->props.brightness = 255;
+		if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY)
+			bl->props.brightness = nt->conf->wrdisbv;
+		else
+			bl->props.brightness = 255;
 		bl->props.power = FB_BLANK_POWERDOWN;
 		nt->panel.backlight = bl;
 	}
@@ -1030,6 +1243,8 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
 		.vtotal = 800 + 2 + 0 + 5, /* VBP = 5 */
 		.flags = 0,
 	},
+	.mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS,
+	.cmds = NT35510_CMD_CORRECT_GAMMA,
 	/* 0x09: AVDD = 5.6V */
 	.avdd = { 0x09, 0x09, 0x09 },
 	/* 0x34: PCK = Hsync/2, BTP = 2 x VDDB */
@@ -1038,6 +1253,10 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
 	.avee = { 0x09, 0x09, 0x09 },
 	/* 0x24: NCK = Hsync/2, BTN =  -2 x VDDB */
 	.bt2ctr = { 0x24, 0x24, 0x24 },
+	/* VBCLA: -2.5V, VBCLB: -2.5V, VBCLC: -2.5V */
+	.vcl = { 0x00, 0x00, 0x00 },
+	/* 0x24: CLCK = Hsync/2, BTN =  -1 x VDDB */
+	.bt3ctr = { 0x24, 0x24, 0x24 },
 	/* 0x05 = 12V */
 	.vgh = { 0x05, 0x05, 0x05 },
 	/* 0x24: NCKA = Hsync/2, VGH = 2 x AVDD - AVEE */
@@ -1050,6 +1269,16 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
 	.vgp = { 0x00, 0xA3, 0x00 },
 	/* VGMP: 0x0A3 = 5.0375V, VGSP = 0V */
 	.vgn = { 0x00, 0xA3, 0x00 },
+	/* VCMOFFSEL = VCOM voltage offset mode, VCM = 0V */
+	.vcmoff = { 0x00, 0x00 },
+	/* Enable TE, EoTP and RGB pixel format */
+	.dopctr = { NT35510_DOPCTR_0_DSITE | NT35510_DOPCTR_0_EOTP |
+		    NT35510_DOPCTR_0_N565, NT35510_DOPCTR_1_CTB },
+	.madctl = NT35510_ROTATE_0_SETTING,
+	/* 0x0A: SDT = 5 us */
+	.sdhdtctr = 0x0A,
+	/* EQ control for gate signals, 0x00 = 0 us */
+	.gseqctr = { 0x00, 0x00 },
 	/* SDEQCTR: source driver EQ mode 2, 2.5 us rise time on each step */
 	.sdeqctr = { 0x01, 0x05, 0x05, 0x05 },
 	/* SDVPCTR: Normal operation off color during v porch */
@@ -1073,8 +1302,89 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
 	.gamma_corr_neg_b = { NT35510_GAMMA_NEG_DEFAULT },
 };
 
+static const struct nt35510_config nt35510_frida_frd400b25025 = {
+	.width_mm = 52,
+	.height_mm = 86,
+	.mode = {
+		.clock = 23000,
+		.hdisplay = 480,
+		.hsync_start = 480 + 34, /* HFP = 34 */
+		.hsync_end = 480 + 34 + 2, /* HSync = 2 */
+		.htotal = 480 + 34 + 2 + 34, /* HBP = 34 */
+		.vdisplay = 800,
+		.vsync_start = 800 + 15, /* VFP = 15 */
+		.vsync_end = 800 + 15 + 12, /* VSync = 12 */
+		.vtotal = 800 + 15 + 12 + 15, /* VBP = 15 */
+		.flags = 0,
+	},
+	.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+			MIPI_DSI_MODE_LPM,
+	.cmds = NT35510_CMD_CONTROL_DISPLAY,
+	/* 0x03: AVDD = 6.2V */
+	.avdd = { 0x03, 0x03, 0x03 },
+	/* 0x46: PCK = 2 x Hsync, BTP = 2.5 x VDDB */
+	.bt1ctr = { 0x46, 0x46, 0x46 },
+	/* 0x03: AVEE = -6.2V */
+	.avee = { 0x03, 0x03, 0x03 },
+	/* 0x36: PCK = 2 x Hsync, BTP =  2 x VDDB */
+	.bt2ctr = { 0x36, 0x36, 0x36 },
+	/* VBCLA: -2.5V, VBCLB: -2.5V, VBCLC: -3.5V */
+	.vcl = { 0x00, 0x00, 0x02 },
+	/* 0x26: CLCK = 2 x Hsync, BTN =  -1 x VDDB */
+	.bt3ctr = { 0x26, 0x26, 0x26 },
+	/* 0x09 = 16V */
+	.vgh = { 0x09, 0x09, 0x09 },
+	/* 0x36: HCK = 2 x Hsync, VGH = 2 x AVDD - AVEE */
+	.bt4ctr = { 0x36, 0x36, 0x36 },
+	/* 0x08 = -10V */
+	.vgl = { 0x08, 0x08, 0x08 },
+	/* 0x26: LCK = 2 x Hsync, VGL = AVDD + VCL - AVDD */
+	.bt5ctr = { 0x26, 0x26, 0x26 },
+	/* VGMP: 0x080 = 4.6V, VGSP = 0V */
+	.vgp = { 0x00, 0x80, 0x00 },
+	/* VGMP: 0x080 = 4.6V, VGSP = 0V */
+	.vgn = { 0x00, 0x80, 0x00 },
+	/* VCMOFFSEL = VCOM voltage offset mode, VCM = -1V */
+	.vcmoff = { 0x00, 0x50 },
+	.dopctr = { NT35510_DOPCTR_0_RAMKP | NT35510_DOPCTR_0_DSITE |
+		NT35510_DOPCTR_0_DSIG | NT35510_DOPCTR_0_DSIM |
+		NT35510_DOPCTR_0_EOTP | NT35510_DOPCTR_0_N565, 0 },
+	.madctl = NT35510_ROTATE_180_SETTING,
+	/* 0x03: SDT = 1.5 us */
+	.sdhdtctr = 0x03,
+	/* EQ control for gate signals, 0x00 = 0 us */
+	.gseqctr = { 0x00, 0x00 },
+	/* SDEQCTR: source driver EQ mode 2, 1 us rise time on each step */
+	.sdeqctr = { 0x01, 0x02, 0x02, 0x02 },
+	/* SDVPCTR: Normal operation off color during v porch */
+	.sdvpctr = 0x01,
+	/* T1: number of pixel clocks on one scanline: 0x184 = 389 clocks */
+	.t1 = 0x0184,
+	/* VBP: vertical back porch toward the panel */
+	.vbp = 0x1C,
+	/* VFP: vertical front porch toward the panel */
+	.vfp = 0x1C,
+	/* PSEL: divide pixel clock 23MHz with 1 (no clock downscaling) */
+	.psel = 0,
+	/* DPTMCTR12: 0x03: LVGL = VGLX, overlap mode, swap R->L O->E */
+	.dpmctr12 = { 0x03, 0x00, 0x00, },
+	/* write display brightness */
+	.wrdisbv = 0x7f,
+	/* write control display */
+	.wrctrld = NT35510_WRCTRLD_BCTRL | NT35510_WRCTRLD_DD |
+			NT35510_WRCTRLD_BL,
+	/* write content adaptive brightness control */
+	.wrcabc = NT35510_WRCABC_STILL_MODE,
+	/* write CABC minimum brightness */
+	.wrcabcmb = 0xff,
+};
+
 static const struct of_device_id nt35510_of_match[] = {
 	{
+		.compatible = "frida,frd400b25025",
+		.data = &nt35510_frida_frd400b25025,
+	},
+	{
 		.compatible = "hydis,hva40wv1",
 		.data = &nt35510_hydis_hva40wv1,
 	},