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[1/3] dt-bindings: media: imx258: Add bindings for IMX258 sensor

Message ID 20200828160053.6064-1-krzk@kernel.org
State New
Headers show
Series [1/3] dt-bindings: media: imx258: Add bindings for IMX258 sensor | expand

Commit Message

Krzysztof Kozlowski Aug. 28, 2020, 4 p.m. UTC
Add bindings for the IMX258 camera sensor.  The bindings, just like the
driver, are quite limited, e.g. do not support regulator supplies.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 .../devicetree/bindings/media/i2c/imx258.yaml | 92 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 93 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/imx258.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/media/i2c/imx258.yaml b/Documentation/devicetree/bindings/media/i2c/imx258.yaml
new file mode 100644
index 000000000000..ef789ad31143
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/imx258.yaml
@@ -0,0 +1,92 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/imx258.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sony IMX258 13 Mpixel CMOS Digital Image Sensor
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@kernel.org>
+
+description: |-
+  IMX258 is a diagonal 5.867mm (Type 1/3.06) 13 Mega-pixel CMOS active pixel
+  type stacked image sensor with a square pixel array of size 4208 x 3120. It
+  is programmable through I2C interface.  Image data is sent through MIPI
+  CSI-2.
+
+properties:
+  compatible:
+    const: sony,imx258
+
+  clocks:
+    maxItems: 1
+
+  clock-frequency:
+    description: Frequency of input clock if clock is not provided
+    deprecated: true
+    const: 19200000
+
+  reg:
+    maxItems: 1
+
+  # See ../video-interfaces.txt for more details
+  port:
+    type: object
+    properties:
+      endpoint:
+        type: object
+        properties:
+          data-lanes:
+            items:
+              - const: 1
+              - const: 2
+              - const: 3
+              - const: 4
+
+          link-frequencies:
+            allOf:
+              - $ref: /schemas/types.yaml#/definitions/uint64-array
+            description:
+              Allowed data bus frequencies.
+
+        required:
+          - data-lanes
+          - link-frequencies
+
+required:
+  - compatible
+  - reg
+  - port
+
+
+if:
+  not:
+    required:
+      - clocks
+then:
+  required:
+    - clock-frequency
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sensor@6c {
+            compatible = "sony,imx258";
+            reg = <0x6c>;
+            clocks = <&imx258_clk>;
+
+            port {
+                imx258_ep: endpoint {
+                    remote-endpoint = <&csi1_ep>;
+                    data-lanes = <1 2 3 4>;
+                    link-frequencies = /bits/ 64 <320000000>;
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index dc2aa691b75a..cca13d483d22 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16130,6 +16130,7 @@  M:	Sakari Ailus <sakari.ailus@linux.intel.com>
 L:	linux-media@vger.kernel.org
 S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
+F:	Documentation/devicetree/bindings/media/i2c/imx258.yaml
 F:	drivers/media/i2c/imx258.c
 
 SONY IMX274 SENSOR DRIVER