[PATCH 1/3] dt-bindings: display: bridge: Add waveshare DSI2DPI unit support
Joseph Guo
qijian.guo at nxp.com
Wed Jul 16 07:08:29 UTC 2025
Add dt-binding documentation for waveshare DSI2DPI unit
Signed-off-by: Joseph Guo <qijian.guo at nxp.com>
---
.../bindings/display/bridge/waveshare,dsi2dpi.yaml | 103 +++++++++++++++++++++
1 file changed, 103 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..678922ebe138ec2fa7bd05902947a86ec73fc644
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/waveshare,dsi2dpi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Waveshare MIPI-DSI to DPI Converter bridge
+
+maintainers:
+ - Joseph Guo <qijian.guo at nxp.com>
+
+description:
+ Waveshare bridge board is part of Waveshare panel which converts DSI to DPI.
+
+properties:
+ compatible:
+ const: waveshare,dsi2dpi
+
+ reg:
+ maxItems: 1
+ description: base I2C address of the device
+
+ power-supply: true
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port at 0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Video port for MIPI DSI input
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ description: array of physical DSI data lane indexes.
+ items:
+ - const: 1
+ - const: 2
+
+ required:
+ - data-lanes
+
+ port at 1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Video port for MIPI DPI output panel.
+
+ required:
+ - port at 0
+ - port at 1
+
+required:
+ - compatible
+ - reg
+ - ports
+ - power-supply
+
+additionalProperties: false
+
+examples:
+ - |
+
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ bridge at 45 {
+ compatible = "waveshare,dsi2dpi";
+ reg = <0x45>;
+ power-supply = <®_3p3v>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+
+ waveshare_from_dsim: endpoint {
+ data-lanes = <1 2>;
+ remote-endpoint = <&dsim_to_waveshare>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+
+ waveshare_to_panel: endpoint {
+ remote-endpoint = <&panel_to_waveshare>;
+ };
+ };
+ };
+ };
+ };
+
+...
--
2.34.1
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