[PATCH 1/3] dt-bindings: vendor-prefixes: Add Displaytech Ltd.

[PATCH 1/3] dt-bindings: vendor-prefixes: Add Displaytech Ltd.

[Marek Vasut]

Add "displaytech" vendor prefix for Displaytech Ltd. .

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: "Kael D'Alcamo" <dev@kael-k.io>
Cc: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Jessica Zhang <jesszhan0024@gmail.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 28784d66ae7ba..11c55b5df0e4c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -437,6 +437,8 @@ patternProperties:
     description: Diodes, Inc.
   "^dioo,.*":
     description: Dioo Microcircuit Co., Ltd
+  "^displaytech,.*":
+    description: Displaytech Ltd.
   "^djn,.*":
     description: Shenzhen DJN Optronics Technology Co., Ltd
   "^dlc,.*":
-- 
2.53.0

[PATCH 2/3] dt-bindings: display: simple: Document Displaytech DT050BTFT-PTS panel

[Marek Vasut]

Document the Displaytech DT050BTFT-PTS 5.0" (800x480) color TFT LCD
panel, connected over DPI. The datasheet from 16 Nov 2023 is available
from Seacomp:

https://www.seacomp.com/sites/default/files/datasheets/DT050BTFT-Displaytech-Spec.pdf

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: "Kael D'Alcamo" <dev@kael-k.io>
Cc: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Jessica Zhang <jesszhan0024@gmail.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
---
 .../devicetree/bindings/display/panel/panel-simple.yaml         | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
index 3e41ed0ef5d51..9c2faeb47b812 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
@@ -97,6 +97,8 @@ properties:
       - dataimage,fg1001l0dsswmg01
         # DataImage, Inc. 7" WVGA (800x480) TFT LCD panel with 24-bit parallel interface.
       - dataimage,scf0700c48ggu18
+        # Displaytech DT050BTFT-PTS 5.0" 800x480 TFT LCD Panel
+      - displaytech,dt050btft-pts
         # DLC Display Co. DLC1010GIG 10.1" WXGA TFT LCD Panel
       - dlc,dlc1010gig
         # Emerging Display Technology Corp. 3.5" QVGA TFT LCD panel
-- 
2.53.0

[PATCH 3/3] drm/panel: simple: Add Displaytech DT050BTFT-PTS panel

[Marek Vasut]

Add support for the Displaytech DT050BTFT-PTS 5.0" (800x480) color TFT
LCD panel, connected over DPI. Timings are taken from the datasheet
from 16 Nov 2023 is available from Seacomp:

https://www.seacomp.com/sites/default/files/datasheets/DT050BTFT-Displaytech-Spec.pdf

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: "Kael D'Alcamo" <dev@kael-k.io>
Cc: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Jessica Zhang <jesszhan0024@gmail.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/gpu/drm/panel/panel-simple.c | 36 ++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 236bd56208ccf..9f4c907ae044e 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1902,6 +1902,39 @@ static const struct panel_desc dataimage_scf0700c48ggu18 = {
 	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
+static const struct display_timing displaytech_dt050btft_pts_timing = {
+	/* The TYP pixel clock are recalculated from tV * tH * 60 Hz */
+	.pixelclock = { 30000000, 33264000, 50000000 },
+	.hactive = { 800, 800, 800 },
+	.hfront_porch = { 16, 210, 354 },
+	/* Datasheet Figure 3 indicates, that tHPW is part of tHBP */
+	.hback_porch = { 41, 26, 6 },
+	.hsync_len = { 1, 20, 40 },
+	.vactive = { 480, 480, 480 },
+	.vfront_porch = { 7, 22, 147 },
+	/* Datasheet Figure 2 indicates, that tVPW is part of tVBP */
+	.vback_porch = { 22, 13, 3 },
+	.vsync_len = { 1, 10, 20 },
+	.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
+		 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
+		 DISPLAY_FLAGS_SYNC_POSEDGE,
+};
+
+static const struct panel_desc displaytech_dt050btft_pts = {
+	.timings = &displaytech_dt050btft_pts_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 108,
+		.height = 65,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH |
+		     DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
+		     DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct display_timing dlc_dlc0700yzg_1_timing = {
 	.pixelclock = { 45000000, 51200000, 57000000 },
 	.hactive = { 1024, 1024, 1024 },
@@ -5319,6 +5352,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "dataimage,scf0700c48ggu18",
 		.data = &dataimage_scf0700c48ggu18,
+	}, {
+		.compatible = "displaytech,dt050btft-pts",
+		.data = &displaytech_dt050btft_pts,
 	}, {
 		.compatible = "dlc,dlc0700yzg-1",
 		.data = &dlc_dlc0700yzg_1,
-- 
2.53.0

Re: [PATCH 1/3] dt-bindings: vendor-prefixes: Add Displaytech Ltd.

[Krzysztof Kozlowski]

On Wed, Apr 22, 2026 at 11:07:23PM +0200, Marek Vasut wrote:
> Add "displaytech" vendor prefix for Displaytech Ltd. .
> 
> Signed-off-by: Marek Vasut <marex@nabladev.com>

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof

Re: [PATCH 2/3] dt-bindings: display: simple: Document Displaytech DT050BTFT-PTS panel

[Krzysztof Kozlowski]

On Wed, Apr 22, 2026 at 11:07:24PM +0200, Marek Vasut wrote:
> Document the Displaytech DT050BTFT-PTS 5.0" (800x480) color TFT LCD
> panel, connected over DPI. The datasheet from 16 Nov 2023 is available
> from Seacomp:
> 
> https://www.seacomp.com/sites/default/files/datasheets/DT050BTFT-Displaytech-Spec.pdf
> 
> Signed-off-by: Marek Vasut <marex@nabladev.com>

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof

Re: [PATCH 3/3] drm/panel: simple: Add Displaytech DT050BTFT-PTS panel

[Neil Armstrong]

On 4/22/26 23:07, Marek Vasut wrote:
> Add support for the Displaytech DT050BTFT-PTS 5.0" (800x480) color TFT
> LCD panel, connected over DPI. Timings are taken from the datasheet
> from 16 Nov 2023 is available from Seacomp:
> 
> https://www.seacomp.com/sites/default/files/datasheets/DT050BTFT-Displaytech-Spec.pdf
> 
> Signed-off-by: Marek Vasut <marex@nabladev.com>
> ---
> Cc: "Kael D'Alcamo" <dev@kael-k.io>
> Cc: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
> Cc: Conor Dooley <conor+dt@kernel.org>
> Cc: David Airlie <airlied@gmail.com>
> Cc: Jessica Zhang <jesszhan0024@gmail.com>
> Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
> Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Neil Armstrong <neil.armstrong@linaro.org>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> Cc: Simona Vetter <simona@ffwll.ch>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: devicetree@vger.kernel.org
> Cc: dri-devel@lists.freedesktop.org
> Cc: linux-kernel@vger.kernel.org
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 36 ++++++++++++++++++++++++++++
>   1 file changed, 36 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 236bd56208ccf..9f4c907ae044e 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1902,6 +1902,39 @@ static const struct panel_desc dataimage_scf0700c48ggu18 = {
>   	.connector_type = DRM_MODE_CONNECTOR_DPI,
>   };
>   
> +static const struct display_timing displaytech_dt050btft_pts_timing = {
> +	/* The TYP pixel clock are recalculated from tV * tH * 60 Hz */
> +	.pixelclock = { 30000000, 33264000, 50000000 },
> +	.hactive = { 800, 800, 800 },
> +	.hfront_porch = { 16, 210, 354 },
> +	/* Datasheet Figure 3 indicates, that tHPW is part of tHBP */
> +	.hback_porch = { 41, 26, 6 },
> +	.hsync_len = { 1, 20, 40 },
> +	.vactive = { 480, 480, 480 },
> +	.vfront_porch = { 7, 22, 147 },
> +	/* Datasheet Figure 2 indicates, that tVPW is part of tVBP */
> +	.vback_porch = { 22, 13, 3 },
> +	.vsync_len = { 1, 10, 20 },
> +	.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
> +		 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE |
> +		 DISPLAY_FLAGS_SYNC_POSEDGE,
> +};
> +
> +static const struct panel_desc displaytech_dt050btft_pts = {
> +	.timings = &displaytech_dt050btft_pts_timing,
> +	.num_timings = 1,
> +	.bpc = 8,
> +	.size = {
> +		.width = 108,
> +		.height = 65,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> +	.bus_flags = DRM_BUS_FLAG_DE_HIGH |
> +		     DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
> +		     DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE,
> +	.connector_type = DRM_MODE_CONNECTOR_DPI,
> +};
> +
>   static const struct display_timing dlc_dlc0700yzg_1_timing = {
>   	.pixelclock = { 45000000, 51200000, 57000000 },
>   	.hactive = { 1024, 1024, 1024 },
> @@ -5319,6 +5352,9 @@ static const struct of_device_id platform_of_match[] = {
>   	}, {
>   		.compatible = "dataimage,scf0700c48ggu18",
>   		.data = &dataimage_scf0700c48ggu18,
> +	}, {
> +		.compatible = "displaytech,dt050btft-pts",
> +		.data = &displaytech_dt050btft_pts,
>   	}, {
>   		.compatible = "dlc,dlc0700yzg-1",
>   		.data = &dlc_dlc0700yzg_1,

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

Thanks,
Neil