[PATCH v2 05/21] dt-bindings: dipslay/panel: describe panels using Focaltech OTA7290B

Dmitry Baryshkov
2026-04-11T12:11:00Z

Add schema for the panels using Focaltech OTA7290B controller. For now
there is only one such panel, from the Waveshare 8.8 DSI TOUCH-A kit.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
.../bindings/display/panel/focaltech,ota7290b.yaml | 70 ++++++++++++++++++++++
1 file changed, 70 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml
new file mode 100644
index 000000000000..f2f6e254b7de
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/focaltech,ota7290b.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/focaltech,ota7290b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Focaltech OTA7290B DSI panels
+
+maintainers:
+ - Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: waveshare,8.88-dsi-touch-a
+
+ reg:
+ maxItems: 1
+
+ vdd-supply:
+ description: supply regulator for VDD, usually 3.3V
+
+ vdda-supply:
+ description: supply regulator for VDDA, 7-10V
+
+ vcc-supply:
+ description: supply regulator for VCCIO, usually 1.5V
+
+ reset-gpios: true
+ backlight: true
+ rotation: true
+ port: true
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+ - vccio-supply
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "waveshare,8.8-dsi-touch-a";
+ reg = <0>;
+ vdd-supply = <&vdd>;
+ vccio-supply = <&vccio>;
+ reset-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+ backlight = <&backlight>;
+
+ port {
+ endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+ };
+
+...
+

--
2.47.3