Add binding for the Ilitek ILI9488 panel controller which is found on
the FocusLCDs E35GH-I-MW800-CB MIPI DSI panel. Add "focuslcds" to
vendor-prefixes.yaml as it's a brandname and a website for
Focus Display Solutions, Inc.

Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
---
 .../display/panel/ilitek,ili9488.yaml         | 63 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
new file mode 100644
index 000000000000..ea7449273022
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/ilitek,ili9488.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9488 based MIPI-DSI panels
+
+maintainers:
+  - Igor Reznichenko <igor@reznichenko.net>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - focuslcds,e35gh-i-mw800cb
+      - const: ilitek,ili9488
+
+  reg:
+    maxItems: 1
+
+  vci-supply: true
+  iovcc-supply: true
+
+required:
+  - compatible
+  - reg
+  - vci-supply
+  - iovcc-supply
+  - reset-gpios
+  - backlight
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "focuslcds,e35gh-i-mw800cb", "ilitek,ili9488";
+            reg = <0>;
+            vci-supply = <&reg_vci_panel>;
+            iovcc-supply = <&reg_iovcc_panel>;
+            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
+            backlight = <&pwm_bl>;
+
+            port {
+                panel_in: endpoint {
+                    remote-endpoint = <&dsi_out>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index c7591b2aec2a..aa3a8fd67155 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -584,6 +584,8 @@ patternProperties:
     description: Flipkart Inc.
   "^focaltech,.*":
     description: FocalTech Systems Co.,Ltd
+  "^focuslcds,.*":
+    description: Focus Display Solutions, Inc.
   "^forlinx,.*":
     description: Baoding Forlinx Embedded Technology Co., Ltd.
   "^foursemi,.*":
-- 
2.43.0

On Mon, Feb 02, 2026 at 09:41:19PM -0800, Igor Reznichenko wrote:
> Add binding for the Ilitek ILI9488 panel controller which is found on
> the FocusLCDs E35GH-I-MW800-CB MIPI DSI panel. Add "focuslcds" to
> vendor-prefixes.yaml as it's a brandname and a website for
> Focus Display Solutions, Inc.
> 
> Signed-off-by: Igor Reznichenko <igor@reznichenko.net>

Missing Conor's Reviewed-by

> ---
>  .../display/panel/ilitek,ili9488.yaml         | 63 +++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
>  2 files changed, 65 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> new file mode 100644
> index 000000000000..ea7449273022
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9488.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/ilitek,ili9488.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ilitek ILI9488 based MIPI-DSI panels
> +
> +maintainers:
> +  - Igor Reznichenko <igor@reznichenko.net>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - focuslcds,e35gh-i-mw800cb
> +      - const: ilitek,ili9488
> +
> +  reg:
> +    maxItems: 1
> +
> +  vci-supply: true
> +  iovcc-supply: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - vci-supply
> +  - iovcc-supply
> +  - reset-gpios
> +  - backlight
> +  - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "focuslcds,e35gh-i-mw800cb", "ilitek,ili9488";
> +            reg = <0>;
> +            vci-supply = <&reg_vci_panel>;
> +            iovcc-supply = <&reg_iovcc_panel>;
> +            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
> +            backlight = <&pwm_bl>;
> +
> +            port {
> +                panel_in: endpoint {
> +                    remote-endpoint = <&dsi_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index c7591b2aec2a..aa3a8fd67155 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -584,6 +584,8 @@ patternProperties:
>      description: Flipkart Inc.
>    "^focaltech,.*":
>      description: FocalTech Systems Co.,Ltd
> +  "^focuslcds,.*":
> +    description: Focus Display Solutions, Inc.
>    "^forlinx,.*":
>      description: Baoding Forlinx Embedded Technology Co., Ltd.
>    "^foursemi,.*":
> -- 
> 2.43.0
>