linux-kernel - [PATCH 1/2] dt-bindings: display: panel: Add Ilitek ILI9488 panel controller

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Message-ID: <20260131034101.307486-2-igor@reznichenko.net>
Date: Fri, 30 Jan 2026 19:41:00 -0800
From: Igor Reznichenko <igor@...nichenko.net>
To: Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <jesszhan0024@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Manivannan Sadhasivam <mani@...nel.org>,
	"Kael D'Alcamo" <dev@...l-k.io>,
	Kever Yang <kever.yang@...k-chips.com>
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: display: panel: Add Ilitek ILI9488 panel controller

Add binding for the Ilitek ILI9488 panel controller which is found on
the FocusLCDs E35GH-I-MW800-CB MIPI DSI panel.

Signed-off-by: Igor Reznichenko <igor@...nichenko.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@...nichenko.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