[PATCH v4 1/2] media: dt-bindings: i2c: add Himax HM1246 image sensor

[Matthias Fend <matthias.fend@emfend.at>]

Add YAML device tree binding for Himax HM1246 image sensor.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Matthias Fend <matthias.fend@emfend.at>
---
 .../bindings/media/i2c/himax,hm1246.yaml           | 113 +++++++++++++++++++++
 MAINTAINERS                                        |   7 ++
 2 files changed, 120 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/himax,hm1246.yaml b/Documentation/devicetree/bindings/media/i2c/himax,hm1246.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..90c9839fdcfd81eb208bfe5716c957c315081067
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/himax,hm1246.yaml
@@ -0,0 +1,113 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2025 Matthias Fend <matthias.fend@emfend.at>
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/himax,hm1246.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Himax HM1246-AWD 1/3.7-Inch megapixel SoC image sensor
+
+maintainers:
+  - Matthias Fend <matthias.fend@emfend.at>
+
+description:
+  The Himax HM1246-AWD is a 1/3.7-Inch CMOS image sensor SoC with an active
+  array size of 1296 x 976. It is programmable through an I2C interface and
+  connected via parallel bus.
+
+allOf:
+  - $ref: /schemas/media/video-interface-devices.yaml#
+
+properties:
+  compatible:
+    const: himax,hm1246
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: Input reference clock (6 - 27 MHz)
+    maxItems: 1
+
+  reset-gpios:
+    description: Active low XSHUTDOWN pin
+    maxItems: 1
+
+  avdd-supply:
+    description: Power for analog circuit (3.0 - 3.6 V)
+
+  iovdd-supply:
+    description: Power for I/O circuit (1.7 - 3.6 V)
+
+  dvdd-supply:
+    description: Power for digital circuit (1.5 / 1.8 V)
+
+  port:
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+    description: Parallel video output port
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          hsync-active:
+            default: 1
+
+          vsync-active:
+            default: 1
+
+          pclk-sample:
+            default: 0
+
+    required:
+      - endpoint
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - avdd-supply
+  - iovdd-supply
+  - dvdd-supply
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/media/video-interfaces.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sensor@24 {
+            compatible =  "himax,hm1246";
+            reg = <0x24>;
+
+            clocks = <&hm1246_clk>;
+
+            reset-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+
+            avdd-supply = <&hm1246_avdd>;
+            iovdd-supply = <&hm1246_iovdd>;
+            dvdd-supply = <&hm1246_dvdd>;
+
+            orientation = <2>;
+            rotation = <0>;
+
+            port {
+                endpoint {
+                    remote-endpoint = <&isp_par_in>;
+                    bus-width = <10>;
+                    hsync-active = <1>; /* active high */
+                    vsync-active = <1>; /* active high */
+                    pclk-sample = <1>; /* sample on rising edge */
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index f7351fced572eff0a18038095ec1724047890b55..e415ebb3204472ccc41cfdaa52af000b7cb15771 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11162,6 +11162,13 @@ L:	linux-kernel@vger.kernel.org
 S:	Maintained
 F:	drivers/misc/hisi_hikey_usb.c
 
+HIMAX HM1246 SENSOR DRIVER
+M:	Matthias Fend <matthias.fend@emfend.at>
+L:	linux-media@vger.kernel.org
+S:	Maintained
+T:	git git://linuxtv.org/media_tree.git
+F:	Documentation/devicetree/bindings/media/i2c/himax,hm1246.yaml
+
 HIMAX HX83112B TOUCHSCREEN SUPPORT
 M:	Job Noorman <job@noorman.info>
 L:	linux-input@vger.kernel.org

-- 
2.34.1