linux-kernel - [PATCH 1/2] media: dt-bindings: media: i2c: document OV4689 DT bindings

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Date:   Tue, 12 Jul 2022 17:19:09 +0300
From:   Mikhail Rudenko <mike.rudenko@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Mikhail Rudenko <mike.rudenko@...il.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] media: dt-bindings: media: i2c: document OV4689 DT bindings

Add device-tree binding documentation for OV4689 image sensor driver,
and the relevant MAINTAINERS entries.

Signed-off-by: Mikhail Rudenko <mike.rudenko@...il.com>
---
 .../bindings/media/i2c/ovti,ov4689.yaml       | 122 ++++++++++++++++++
 MAINTAINERS                                   |   7 +
 2 files changed, 129 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
new file mode 100644
index 000000000000..6bdebe5862b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
@@ -0,0 +1,122 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ovti,ov4689.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Omnivision OV4689 CMOS Sensor Device Tree Bindings
+
+maintainers:
+  - Mikhail Rudenko <mike.rudenko@...il.com>
+
+description: |-
+  The Omnivision OV4689 is a high performance, 1/3-inch, 4 megapixel
+  image sensor. Ihis chip supports high frame rate speeds up to 90 fps
+  at 2688x1520 resolution. It is programmable through an I2C
+  interface, and sensor output is sent via 1/2/4 lane MIPI CSI-2
+  connection.
+
+allOf:
+  - $ref: /schemas/media/video-interface-devices.yaml#
+
+properties:
+  compatible:
+    const: ovti,ov4689
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    description:
+      External clock for the sensor.
+    items:
+      - const: xclk
+
+  dovdd-supply:
+    description:
+      Definition of the regulator used as Digital I/O voltage supply.
+
+  avdd-supply:
+    description:
+      Definition of the regulator used as Analog voltage supply.
+
+  dvdd-supply:
+    description:
+      Definition of the regulator used as Digital core voltage supply.
+
+  powerdown-gpios:
+    maxItems: 1
+    description:
+      Reference to the GPIO connected to the powerdown pin (active low).
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      Reference to the GPIO connected to the reset pin (active low).
+
+  orientation: true
+
+  rotation: true
+
+  port:
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+    description:
+      Output port node, single endpoint describing the CSI-2 transmitter.
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - dovdd-supply
+  - avdd-supply
+  - dvdd-supply
+  - powerdown-gpios
+  - reset-gpios
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ov4689: camera@36 {
+            compatible = "ovti,ov4689";
+            reg = <0x36>;
+
+            clocks = <&ov4689_clk>;
+            clock-names = "xclk";
+
+            avdd-supply = <&ov4689_avdd>;
+            dovdd-supply = <&ov4689_dovdd>;
+            dvdd-supply = <&ov4689_dvdd>;
+
+            powerdown-gpios = <&pio 107 GPIO_ACTIVE_LOW>;
+            reset-gpios = <&pio 109 GPIO_ACTIVE_LOW>;
+
+            orientation = <2>;
+            rotation = <0>;
+
+            port {
+                wcam_out: endpoint {
+                    remote-endpoint = <&mipi_in_wcam>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index f468864fd268..63c4844f26e6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14523,6 +14523,13 @@ S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
 F:	drivers/media/i2c/ov2740.c
 
+OMNIVISION OV4689 SENSOR DRIVER
+M:	Mikhail Rudenko <mike.rudenko@...il.com>
+L:	linux-media@...r.kernel.org
+S:	Maintained
+T:	git git://linuxtv.org/media_tree.git
+F:	Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
+
 OMNIVISION OV5640 SENSOR DRIVER
 M:	Steve Longerbeam <slongerbeam@...il.com>
 L:	linux-media@...r.kernel.org
-- 
2.37.0