linux-kernel - [PATCH 2/4] dt-bindings: display: Add Himax HX8394 panel controller bindings

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Date:   Thu, 22 Dec 2022 23:38:28 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Ondrej Jirman <megi@....cz>, Robert Mader <robert.mader@...teo.de>,
        Peter Robinson <pbrobinson@...il.com>,
        Kamil Trzciński <ayufan@...fan.eu>,
        Martijn Braam <martijn@...xit.nl>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH 2/4] dt-bindings: display: Add Himax HX8394 panel controller bindings

Add device tree bindings for panels based on the Himax HX8394 controller,
such as the HannStar HSD060BHW4 720x1440 TFT LCD panel that is connected
through a MIPI-DSI video interface.

Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
---

 .../bindings/display/panel/himax,hx8394.yaml  | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
new file mode 100644
index 000000000000..a8084e95f2fe
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/himax,hx8394.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Himax HX8394 MIPI-DSI LCD panel controller device tree bindings
+
+maintainers:
+  - Javier Martinez Canillas <javierm@...hat.com>
+
+description:
+  Device tree bindings for panels based on the Himax HX8394 controller,
+  such as the HannStar HSD060BHW4 720x1440 TFT LCD panel connected with
+  a MIPI-DSI video interface.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      # HannStar HSD060BHW4 5.99" 720x1440 TFT LCD panel
+      - hannstar,hsd060bhw4
+
+  port: true
+  reg:
+    maxItems: 1
+    description: DSI virtual channel
+
+  vcc-supply:
+    description: Panel power supply
+
+  iovcc-supply:
+    description: I/O voltage supply
+
+  reset-gpios: true
+
+  backlight: true
+
+required:
+  - compatible
+  - reg
+  - vcc-supply
+  - iovcc-supply
+  - reset-gpios
+  - backlight
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "hannstar,hsd060bhw4";
+            reg = <0>;
+            vcc-supply = <&reg_2v8_p>;
+            iovcc-supply = <&reg_1v8_p>;
+            reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
+            backlight = <&backlight>;
+        };
+    };
+
+...
-- 
2.38.1