linux-kernel - [PATCH v1 1/2] dt-bindings: display: panel: Add Himax HX8279/HX8279-D

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Message-ID: <20250211114429.1519148-2-angelogioacchino.delregno@collabora.com>
Date: Tue, 11 Feb 2025 12:44:28 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: neil.armstrong@...aro.org
Cc: quic_jesszhan@...cinc.com,
	airlied@...il.com,
	simona@...ll.ch,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	angelogioacchino.delregno@...labora.com,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel@...labora.com,
	pablo.sun@...iatek.com
Subject: [PATCH v1 1/2] dt-bindings: display: panel: Add Himax HX8279/HX8279-D

Himax HX8279 is a Display DriverIC suitable for driving LCD
MIPI-DSI panels.

Describe this DriverIC and the Startek KD070FHFID078 panel found
on newer revisions of the MediaTek Genio 510/700/1200 Evaluation
Kits (EVK).

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../bindings/display/panel/himax,hx8279.yaml  | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/himax,hx8279.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx8279.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx8279.yaml
new file mode 100644
index 000000000000..d66191398f50
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/himax,hx8279.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/himax,hx8279.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Himax HX8279/HX8279-D based MIPI-DSI panels
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
+
+description:
+  The Himax HX8279 is a 1803 channel outputs source driver with MIPI
+  TCON, which generates the horizontal and vertical control timing to
+  the source and gate drivers.
+  This DriverIC is most suitable for 1200x1920, 1080x1920, 1200x1600,
+  and 600x1024 panels and outputs full RGB888 over two or four lanes,
+  single or dual, MIPI-DSI video interface.
+
+allOf:
+  - $ref: panel-common-dual.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - startek,kd070fhfid078
+      - const: himax,hx8279
+
+  reg:
+    maxItems: 1
+
+  iovcc-supply:
+    description: I/O voltage supply
+
+  vdd-supply:
+    description: Panel power supply
+
+required:
+  - compatible
+  - reg
+  - backlight
+  - reset-gpios
+  - iovcc-supply
+  - vdd-supply
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "startek,kd070fhfid078", "himax,hx8279";
+            reg = <0>;
+            backlight = <&backlight>;
+            enable-gpios = <&pio 25 GPIO_ACTIVE_HIGH>;
+            reset-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
+            iovcc-supply = <&vreg_lcm_vio>;
+            vdd-supply = <&vreg_lcm_vdd>;
+
+            port {
+                panel_in: endpoint {
+                    remote-endpoint = <&dsi_out>;
+                };
+            };
+        };
+    };
+
+...
-- 
2.48.1