[PATCH v4 2/2] media: dt-bindings: media: i2c: Add IMX300 CMOS sensor binding

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Add YAML device tree binding for IMX300 CMOS image sensor, and
the relevant MAINTAINERS entries.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
---
 .../bindings/media/i2c/sony,imx300.yaml       | 112 ++++++++++++++++++
 MAINTAINERS                                   |   7 ++
 2 files changed, 119 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml
new file mode 100644
index 000000000000..4fa767feea80
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/sony,imx300.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sony 1/2.3-Inch 25Mpixel Stacked CMOS Digital Image Sensor
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
+
+description: |-
+  The Sony IMX300 is a 1/2.3-inch Stacked CMOS (Exmor-RS) digital image
+  sensor with a pixel size of 1.08um and an active array size of
+  5948H x 4140V. It is programmable through I2C interface at address 0x10.
+  Image data is sent through MIPI CSI-2, which is configured as either 2 or
+  4 data lanes.
+
+properties:
+  compatible:
+    const: sony,imx300
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  vdig-supply:
+    description:
+      Digital I/O voltage supply, 1.15-1.20 volts
+
+  vana-supply:
+    description:
+      Analog voltage supply, 2.2 volts
+
+  vddl-supply:
+    description:
+      Digital core voltage supply, 1.8 volts
+
+  reset-gpios:
+    description: |-
+      Reference to the GPIO connected to the xclr pin, if any.
+      Must be released (set high) after all supplies are applied.
+
+  # See ../video-interfaces.txt for more details
+  port:
+    type: object
+    properties:
+      endpoint:
+        type: object
+
+        properties:
+          data-lanes:
+            description: |-
+              The driver only supports four-lane operation.
+            items:
+              - const: 0
+              - const: 1
+              - const: 2
+              - const: 3
+
+          clock-noncontinuous: true
+
+          link-frequencies:
+            $ref: /schemas/types.yaml#/definitions/uint64-array
+            description:
+              Allowed data bus frequencies. The driver currently needs
+              to switch between 780000000 and 480000000 Hz in order to
+              guarantee functionality of all modes.
+
+        required:
+          - data-lanes
+          - link-frequencies
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - vana-supply
+  - vdig-supply
+  - vddl-supply
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        imx300: sensor@10 {
+            compatible = "sony,imx300";
+            reg = <0x10>;
+            clocks = <&imx300_xclk>;
+            vana-supply = <&imx300_vana>;   /* 2.2v */
+            vdig-supply = <&imx300_vdig>;   /* 1.2v */
+            vddl-supply = <&imx300_vddl>;   /* 1.8v */
+
+            port {
+                imx300_0: endpoint {
+                    remote-endpoint = <&csi1_ep>;
+                    data-lanes = <0 1 2 3>;
+                    clock-noncontinuous;
+                    link-frequencies = /bits/ 64 <780000000 480000000>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index ad9abb42f852..5e0f08f48d48 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16633,6 +16633,13 @@ T:	git git://linuxtv.org/media_tree.git
 F:	Documentation/devicetree/bindings/media/i2c/imx290.txt
 F:	drivers/media/i2c/imx290.c
 
+SONY IMX300 SENSOR DRIVER
+M:	AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
+L:	linux-media@xxxxxxxxxxxxxxx
+S:	Maintained
+F:	Documentation/devicetree/bindings/media/i2c/sony,imx300.yaml
+F:	drivers/media/i2c/imx300.c
+
 SONY IMX319 SENSOR DRIVER
 M:	Bingbu Cao <bingbu.cao@xxxxxxxxx>
 L:	linux-media@xxxxxxxxxxxxxxx
-- 
2.29.2




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