linux-kernel - [PATCH v2 2/2] dt-bindings: media: Add OV5642

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Message-Id: <20230801234047.136099-2-festevam@denx.de>
Date:   Tue,  1 Aug 2023 20:40:47 -0300
From:   Fabio Estevam <festevam@...x.de>
To:     robh+dt@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Fabio Estevam <festevam@...x.de>
Subject: [PATCH v2 2/2] dt-bindings: media: Add OV5642

Add DT bindings for OmniVision OV5642 Image Sensor.

Signed-off-by: Fabio Estevam <festevam@...x.de>
---
Changes since v1:
- Introduce ov5642.yaml (Conor).

 .../bindings/media/i2c/ovti,ov5642.yaml       | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov5642.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5642.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5642.yaml
new file mode 100644
index 000000000000..585b4fcf01b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5642.yaml
@@ -0,0 +1,118 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ovti,ov5642.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OmniVision OV5642 Image Sensor
+
+maintainers:
+  - Fabio Estevam <festevam@...il.com>
+
+allOf:
+  - $ref: /schemas/media/video-interface-devices.yaml#
+
+properties:
+  compatible:
+    const: ovti,ov5642
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: XCLK Input Clock
+
+  clock-names:
+    const: xclk
+
+  AVDD-supply:
+    description: Analog voltage supply, 2.8V.
+
+  DVDD-supply:
+    description: Digital core voltage supply, 1.5V.
+
+  DOVDD-supply:
+    description: Digital I/O voltage supply, 1.8V.
+
+  powerdown-gpios:
+    maxItems: 1
+    description: Reference to the GPIO connected to the powerdown pin, if any.
+
+  reset-gpios:
+    maxItems: 1
+    description: Reference to the GPIO connected to the reset pin, if any.
+
+  rotation:
+    enum:
+      - 0
+      - 180
+
+  port:
+    description: Digital Output Port
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          clock-lanes:
+            const: 0
+
+          data-lanes:
+            minItems: 1
+            maxItems: 2
+            items:
+              enum: [1, 2]
+
+          bus-width:
+            enum: [8, 10]
+
+          data-shift:
+            enum: [0, 2]
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+      #include <dt-bindings/gpio/gpio.h>
+
+      i2c {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          camera@3c {
+              compatible = "ovti,ov5642";
+              pinctrl-names = "default";
+              pinctrl-0 = <&pinctrl_ov5642>;
+              reg = <0x3c>;
+              clocks = <&clk_ext_camera>;
+              clock-names = "xclk";
+              DOVDD-supply = <&vgen4_reg>;
+              AVDD-supply = <&vgen3_reg>;
+              DVDD-supply = <&vgen2_reg>;
+              powerdown-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>;
+              reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
+  
+              port {
+                  /* Parallel bus endpoint */
+                  ov5642_to_parallel: endpoint {
+                      remote-endpoint = <&parallel_from_ov5642>;
+                      bus-width = <8>;
+                      data-shift = <2>; /* lines 9:2 are used */
+                      hsync-active = <0>;
+                      vsync-active = <0>;
+                      pclk-sample = <1>;
+                  };
+              };
+          };
+      };
-- 
2.34.1