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[1/3] dt-bindings: ov2680: convert bindings to yaml

Message ID 20201013152647.537323-2-rmfrfs@gmail.com
State Superseded
Headers show
Series dt-bindings: media: imx7 and ov2680 updates to yaml | expand

Checks

Context Check Description
robh/dt-meta-schema success
robh/checkpatch warning total: 0 errors, 4 warnings, 139 lines checked

Commit Message

Rui Miguel Silva Oct. 13, 2020, 3:26 p.m. UTC
Convert ov2680 sensor bindings documentation to yaml schema, remove
the textual bindings document and update MAINTAINERS entry.

Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
---
 .../devicetree/bindings/media/i2c/ov2680.txt  |  46 ------
 .../devicetree/bindings/media/i2c/ov2680.yaml | 131 ++++++++++++++++++
 MAINTAINERS                                   |   2 +-
 3 files changed, 132 insertions(+), 47 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/media/i2c/ov2680.txt
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ov2680.yaml

Comments

Sakari Ailus Oct. 13, 2020, 4:09 p.m. UTC | #1
Hi Rui,

Thanks for the patch.

On Tue, Oct 13, 2020 at 04:26:45PM +0100, Rui Miguel Silva wrote:
> Convert ov2680 sensor bindings documentation to yaml schema, remove
> the textual bindings document and update MAINTAINERS entry.
> 
> Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
> ---
>  .../devicetree/bindings/media/i2c/ov2680.txt  |  46 ------
>  .../devicetree/bindings/media/i2c/ov2680.yaml | 131 ++++++++++++++++++
>  MAINTAINERS                                   |   2 +-
>  3 files changed, 132 insertions(+), 47 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/media/i2c/ov2680.txt
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ov2680.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov2680.txt b/Documentation/devicetree/bindings/media/i2c/ov2680.txt
> deleted file mode 100644
> index 11e925ed9dad..000000000000
> --- a/Documentation/devicetree/bindings/media/i2c/ov2680.txt
> +++ /dev/null
> @@ -1,46 +0,0 @@
> -* Omnivision OV2680 MIPI CSI-2 sensor
> -
> -Required Properties:
> -- compatible: should be "ovti,ov2680".
> -- clocks: reference to the xvclk input clock.
> -- clock-names: should be "xvclk".
> -- DOVDD-supply: Digital I/O voltage supply.
> -- DVDD-supply: Digital core voltage supply.
> -- AVDD-supply: Analog voltage supply.
> -
> -Optional Properties:
> -- reset-gpios: reference to the GPIO connected to the powerdown/reset pin,
> -               if any. This is an active low signal to the OV2680.
> -
> -The device node must contain one 'port' child node for its digital output
> -video port, and this port must have a single endpoint in accordance with
> - the video interface bindings defined in
> -Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -Endpoint node required properties for CSI-2 connection are:
> -- remote-endpoint: a phandle to the bus receiver's endpoint node.
> -- clock-lanes: should be set to <0> (clock lane on hardware lane 0).
> -- data-lanes: should be set to <1> (one CSI-2 lane supported).
> -
> -Example:
> -
> -&i2c2 {
> -	ov2680: camera-sensor@36 {
> -		compatible = "ovti,ov2680";
> -		reg = <0x36>;
> -		clocks = <&osc>;
> -		clock-names = "xvclk";
> -		reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
> -		DOVDD-supply = <&sw2_reg>;
> -		DVDD-supply = <&sw2_reg>;
> -		AVDD-supply = <&reg_peri_3p15v>;
> -
> -		port {
> -			ov2680_to_mipi: endpoint {
> -				remote-endpoint = <&mipi_from_sensor>;
> -				clock-lanes = <0>;
> -				data-lanes = <1>;
> -			};
> -		};
> -	};
> -};
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov2680.yaml b/Documentation/devicetree/bindings/media/i2c/ov2680.yaml
> new file mode 100644
> index 000000000000..2516215a511d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ov2680.yaml
> @@ -0,0 +1,131 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ov2680.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Omnivision OV2680 CMOS Sensor
> +
> +maintainers:
> +  - Rui Miguel Silva <rmfrfs@gmail.com>
> +
> +description: |-
> +  The OV2680 color sensor is a low voltage, high performance 1/5 inch UXGA (2
> +  megapixel) CMOS image sensor that provides a single-chip UXGA (1600 x 1200)
> +  camera. It provides full-frame, sub-sampled, or windowed 10-bit images in
> +  various formats via the control of the Serial Camera Control Bus (SCCB)
> +  interface.  The OV2680 has an image array capable of operating at up to 30
> +  frames per second (fps) in UXGA resolution.
> +
> +properties:
> +  compatible:
> +    const: ovti,ov2680
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    description:
> +      Input clock for the sensor.
> +    items:
> +      - const: xvclk
> +
> +  reset-gpios:
> +    description:
> +      The phandle and specifier for the GPIO that controls sensor reset.
> +      This corresponds to the hardware pin XSHUTDOWN which is physically
> +      active low.
> +
> +  dovdd-supply:
> +    description:
> +      Definition of the regulator used as interface power supply.
> +
> +  avdd-supply:
> +    description:
> +      Definition of the regulator used as analog power supply.
> +
> +  dvdd-supply:
> +    description:
> +      Definition of the regulator used as digital power supply.
> +
> +  port:
> +    type: object
> +    additionalProperties: false
> +    description:
> +      A node containing an output port node with an endpoint definition
> +      as documented in
> +      Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +    properties:
> +      endpoint:
> +        type: object
> +
> +        properties:
> +          remote-endpoint: true

This can be omitted.

> +
> +          data-lanes:
> +            description: |-
> +              The driver only supports one-lane operation.
> +            items:
> +              - const: 1
> +
> +          clock-lanes:
> +            description: |-
> +              The driver only supports one-lane operation.

What driver supports is not a concern in DT bindings.

Instead they describe what the hardware supports.

clock-lanes can be removed if it's always zero.

If the hardware only supports a single data lane, the data-lanes property
can go, too.

> +            items:
> +              - const: 0
> +
> +        required:
> +          - remote-endpoint
> +          - data-lanes
> +          - clock-lanes
> +
> +    required:
> +      - endpoint
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - dovdd-supply
> +  - avdd-supply
> +  - dvdd-supply
> +  - reset-gpios
> +  - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ov2680: camera-sensor@36 {
> +                compatible = "ovti,ov2680";
> +                reg = <0x36>;
> +                clocks = <&osc>;
> +                clock-names = "xvclk";
> +                reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
> +
> +                dovdd-supply = <&sw2_reg>;
> +                dvdd-supply = <&sw2_reg>;
> +                avdd-supply = <&reg_peri_3p15v>;
> +
> +                port {
> +                        ov2680_to_mipi: endpoint {
> +                                remote-endpoint = <&mipi_from_sensor>;
> +                                clock-lanes = <0>;
> +                                data-lanes = <1>;
> +                        };
> +                };
> +        };
> +    };
> +...
> +
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2e85e114c9c3..926dcdc4794c 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -12775,7 +12775,7 @@ M:	Rui Miguel Silva <rmfrfs@gmail.com>
>  L:	linux-media@vger.kernel.org
>  S:	Maintained
>  T:	git git://linuxtv.org/media_tree.git
> -F:	Documentation/devicetree/bindings/media/i2c/ov2680.txt
> +F:	Documentation/devicetree/bindings/media/i2c/ov2680.yaml
>  F:	drivers/media/i2c/ov2680.c
>  
>  OMNIVISION OV2685 SENSOR DRIVER
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/media/i2c/ov2680.txt b/Documentation/devicetree/bindings/media/i2c/ov2680.txt
deleted file mode 100644
index 11e925ed9dad..000000000000
--- a/Documentation/devicetree/bindings/media/i2c/ov2680.txt
+++ /dev/null
@@ -1,46 +0,0 @@ 
-* Omnivision OV2680 MIPI CSI-2 sensor
-
-Required Properties:
-- compatible: should be "ovti,ov2680".
-- clocks: reference to the xvclk input clock.
-- clock-names: should be "xvclk".
-- DOVDD-supply: Digital I/O voltage supply.
-- DVDD-supply: Digital core voltage supply.
-- AVDD-supply: Analog voltage supply.
-
-Optional Properties:
-- reset-gpios: reference to the GPIO connected to the powerdown/reset pin,
-               if any. This is an active low signal to the OV2680.
-
-The device node must contain one 'port' child node for its digital output
-video port, and this port must have a single endpoint in accordance with
- the video interface bindings defined in
-Documentation/devicetree/bindings/media/video-interfaces.txt.
-
-Endpoint node required properties for CSI-2 connection are:
-- remote-endpoint: a phandle to the bus receiver's endpoint node.
-- clock-lanes: should be set to <0> (clock lane on hardware lane 0).
-- data-lanes: should be set to <1> (one CSI-2 lane supported).
-
-Example:
-
-&i2c2 {
-	ov2680: camera-sensor@36 {
-		compatible = "ovti,ov2680";
-		reg = <0x36>;
-		clocks = <&osc>;
-		clock-names = "xvclk";
-		reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
-		DOVDD-supply = <&sw2_reg>;
-		DVDD-supply = <&sw2_reg>;
-		AVDD-supply = <&reg_peri_3p15v>;
-
-		port {
-			ov2680_to_mipi: endpoint {
-				remote-endpoint = <&mipi_from_sensor>;
-				clock-lanes = <0>;
-				data-lanes = <1>;
-			};
-		};
-	};
-};
diff --git a/Documentation/devicetree/bindings/media/i2c/ov2680.yaml b/Documentation/devicetree/bindings/media/i2c/ov2680.yaml
new file mode 100644
index 000000000000..2516215a511d
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov2680.yaml
@@ -0,0 +1,131 @@ 
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ov2680.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Omnivision OV2680 CMOS Sensor
+
+maintainers:
+  - Rui Miguel Silva <rmfrfs@gmail.com>
+
+description: |-
+  The OV2680 color sensor is a low voltage, high performance 1/5 inch UXGA (2
+  megapixel) CMOS image sensor that provides a single-chip UXGA (1600 x 1200)
+  camera. It provides full-frame, sub-sampled, or windowed 10-bit images in
+  various formats via the control of the Serial Camera Control Bus (SCCB)
+  interface.  The OV2680 has an image array capable of operating at up to 30
+  frames per second (fps) in UXGA resolution.
+
+properties:
+  compatible:
+    const: ovti,ov2680
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    description:
+      Input clock for the sensor.
+    items:
+      - const: xvclk
+
+  reset-gpios:
+    description:
+      The phandle and specifier for the GPIO that controls sensor reset.
+      This corresponds to the hardware pin XSHUTDOWN which is physically
+      active low.
+
+  dovdd-supply:
+    description:
+      Definition of the regulator used as interface power supply.
+
+  avdd-supply:
+    description:
+      Definition of the regulator used as analog power supply.
+
+  dvdd-supply:
+    description:
+      Definition of the regulator used as digital power supply.
+
+  port:
+    type: object
+    additionalProperties: false
+    description:
+      A node containing an output port node with an endpoint definition
+      as documented in
+      Documentation/devicetree/bindings/media/video-interfaces.txt
+
+    properties:
+      endpoint:
+        type: object
+
+        properties:
+          remote-endpoint: true
+
+          data-lanes:
+            description: |-
+              The driver only supports one-lane operation.
+            items:
+              - const: 1
+
+          clock-lanes:
+            description: |-
+              The driver only supports one-lane operation.
+            items:
+              - const: 0
+
+        required:
+          - remote-endpoint
+          - data-lanes
+          - clock-lanes
+
+    required:
+      - endpoint
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - dovdd-supply
+  - avdd-supply
+  - dvdd-supply
+  - reset-gpios
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ov2680: camera-sensor@36 {
+                compatible = "ovti,ov2680";
+                reg = <0x36>;
+                clocks = <&osc>;
+                clock-names = "xvclk";
+                reset-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
+
+                dovdd-supply = <&sw2_reg>;
+                dvdd-supply = <&sw2_reg>;
+                avdd-supply = <&reg_peri_3p15v>;
+
+                port {
+                        ov2680_to_mipi: endpoint {
+                                remote-endpoint = <&mipi_from_sensor>;
+                                clock-lanes = <0>;
+                                data-lanes = <1>;
+                        };
+                };
+        };
+    };
+...
+
diff --git a/MAINTAINERS b/MAINTAINERS
index 2e85e114c9c3..926dcdc4794c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12775,7 +12775,7 @@  M:	Rui Miguel Silva <rmfrfs@gmail.com>
 L:	linux-media@vger.kernel.org
 S:	Maintained
 T:	git git://linuxtv.org/media_tree.git
-F:	Documentation/devicetree/bindings/media/i2c/ov2680.txt
+F:	Documentation/devicetree/bindings/media/i2c/ov2680.yaml
 F:	drivers/media/i2c/ov2680.c
 
 OMNIVISION OV2685 SENSOR DRIVER