[PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[Jacopo Mondi]

From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

Add binding schema for the OmniVision OV8858 8 Megapixels camera sensor.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
---
 .../bindings/media/i2c/ovti,ov8858.yaml       | 109 ++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml
new file mode 100644
index 000000000000..f6d5cf69234c
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml
@@ -0,0 +1,109 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/ovti,ov8858.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OmniVision OV8858 Image Sensor
+
+maintainers:
+  - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
+  - Nicholas Roth <nicholas@rothemail.net>
+
+description: |
+  The OmniVision OV8858 is a color CMOS 8 Megapixles (3264x2448) image sensor
+  controlled through an I2C-compatible SCCB bus. The sensor transmits images
+  on a MIPI CSI-2 output interface with up to 4 data lanes.
+
+properties:
+  compatible:
+    const: ovti,ov8858
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: XVCLK external clock
+
+  clock-names:
+    const: xvclk
+
+  dvdd-supply:
+    description: Digital Domain Power Supply
+
+  avdd-supply:
+    description: Analog Domain Power Supply
+
+  dovdd-supply:
+    description: I/O Domain Power Supply
+
+  powerdown-gpios:
+    maxItems: 1
+    description: PWDNB powerdown GPIO (active low)
+
+  reset-gpios:
+    maxItems: 1
+    description: XSHUTDN reset GPIO (active low)
+
+  port:
+    description: MIPI CSI-2 transmitter port
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          data-lanes:
+            minItems: 1
+            maxItems: 4
+
+        required:
+          - data-lanes
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - assigned-clocks
+  - assigned-clock-rates
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/rockchip.h>
+    #include <dt-bindings/clock/rk3399-cru.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c2 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ov8858: camera@36 {
+            compatible = "ovti,ov8858";
+            reg = <0x36>;
+
+            clocks = <&cru SCLK_CIF_OUT>;
+            clock-names = "xvclk";
+            assigned-clocks = <&cru SCLK_CIF_OUT>;
+            assigned-clock-rates = <24000000>;
+
+            dovdd-supply = <&vcc1v8_dvp>;
+
+            reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
+            powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>;
+
+            port {
+                ucam_out: endpoint {
+                    remote-endpoint = <&mipi_in_ucam>;
+                    data-lanes = <1 2 3 4>;
+                };
+            };
+        };
+    };
+...
--
2.38.1

Re: [PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[Krzysztof Kozlowski]

On 05/01/2023 18:23, Jacopo Mondi wrote:
> From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> 

Subject: drop redundant "schema for".

> Add binding schema for the OmniVision OV8858 8 Megapixels camera sensor.
> 

Thank you for your patch. There is something to discuss/improve.

> +properties:
> +  compatible:
> +    const: ovti,ov8858
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: XVCLK external clock
> +
> +  clock-names:
> +    const: xvclk
> +
> +  dvdd-supply:
> +    description: Digital Domain Power Supply
> +
> +  avdd-supply:
> +    description: Analog Domain Power Supply
> +
> +  dovdd-supply:
> +    description: I/O Domain Power Supply
> +
> +  powerdown-gpios:
> +    maxItems: 1

No need for maxItems here - it is coming from gpio-consumer-common.

> +    description: PWDNB powerdown GPIO (active low)
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: XSHUTDN reset GPIO (active low)
> +
> +  port:
> +    description: MIPI CSI-2 transmitter port
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
> +        properties:
> +          data-lanes:
> +            minItems: 1
> +            maxItems: 4
> +
> +        required:
> +          - data-lanes
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - assigned-clocks
> +  - assigned-clock-rates

These should not be required.

> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/pinctrl/rockchip.h>

Drop, not needed.

> +    #include <dt-bindings/clock/rk3399-cru.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c2 {

i2c

> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ov8858: camera@36 {
> +            compatible = "ovti,ov8858";
> +            reg = <0x36>;
> +
> +            clocks = <&cru SCLK_CIF_OUT>;
> +            clock-names = "xvclk";
> +            assigned-clocks = <&cru SCLK_CIF_OUT>;
> +            assigned-clock-rates = <24000000>;
> +
> +            dovdd-supply = <&vcc1v8_dvp>;
> +
> +            reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
> +            powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>;
> +
> +            port {
> +                ucam_out: endpoint {
> +                    remote-endpoint = <&mipi_in_ucam>;
> +                    data-lanes = <1 2 3 4>;
> +                };
> +            };
> +        };
> +    };
> +...
> --
> 2.38.1
> 

Best regards,
Krzysztof

Re: [PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[Jacopo Mondi]

Hi Krzysztof
   thanks for the review

On Fri, Jan 06, 2023 at 09:34:22AM +0100, Krzysztof Kozlowski wrote:
> On 05/01/2023 18:23, Jacopo Mondi wrote:
> > From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> >
>
> Subject: drop redundant "schema for".
>

ack

> > Add binding schema for the OmniVision OV8858 8 Megapixels camera sensor.
> >
>
> Thank you for your patch. There is something to discuss/improve.
>
> > +properties:
> > +  compatible:
> > +    const: ovti,ov8858
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 1
> > +    description: XVCLK external clock
> > +
> > +  clock-names:
> > +    const: xvclk
> > +
> > +  dvdd-supply:
> > +    description: Digital Domain Power Supply
> > +
> > +  avdd-supply:
> > +    description: Analog Domain Power Supply
> > +
> > +  dovdd-supply:
> > +    description: I/O Domain Power Supply
> > +
> > +  powerdown-gpios:
> > +    maxItems: 1
>
> No need for maxItems here - it is coming from gpio-consumer-common.
>

ack

> > +    description: PWDNB powerdown GPIO (active low)
> > +
> > +  reset-gpios:
> > +    maxItems: 1
> > +    description: XSHUTDN reset GPIO (active low)
> > +
> > +  port:
> > +    description: MIPI CSI-2 transmitter port
> > +    $ref: /schemas/graph.yaml#/$defs/port-base
> > +    additionalProperties: false
> > +
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml#
> > +        unevaluatedProperties: false
> > +
> > +        properties:
> > +          data-lanes:
> > +            minItems: 1
> > +            maxItems: 4
> > +
> > +        required:
> > +          - data-lanes
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - assigned-clocks
> > +  - assigned-clock-rates
>
> These should not be required.
>

makes sense

> > +  - port
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/pinctrl/rockchip.h>
>
> Drop, not needed.
>

I need it for the definition of RK_PA4 and RK_PB4.

The example fails to compile if I remove it

> > +    #include <dt-bindings/clock/rk3399-cru.h>
> > +    #include <dt-bindings/gpio/gpio.h>
> > +
> > +    i2c2 {
>
> i2c
>

Ack

Will resend soon

Thanks
   j

> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        ov8858: camera@36 {
> > +            compatible = "ovti,ov8858";
> > +            reg = <0x36>;
> > +
> > +            clocks = <&cru SCLK_CIF_OUT>;
> > +            clock-names = "xvclk";
> > +            assigned-clocks = <&cru SCLK_CIF_OUT>;
> > +            assigned-clock-rates = <24000000>;
> > +
> > +            dovdd-supply = <&vcc1v8_dvp>;
> > +
> > +            reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
> > +            powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>;
> > +
> > +            port {
> > +                ucam_out: endpoint {
> > +                    remote-endpoint = <&mipi_in_ucam>;
> > +                    data-lanes = <1 2 3 4>;
> > +                };
> > +            };
> > +        };
> > +    };
> > +...
> > --
> > 2.38.1
> >
>
> Best regards,
> Krzysztof
>

Re: [PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[Krzysztof Kozlowski]

On 06/01/2023 10:15, Jacopo Mondi wrote:

> 
>>> +  - port
>>> +
>>> +additionalProperties: false
>>> +
>>> +examples:
>>> +  - |
>>> +    #include <dt-bindings/pinctrl/rockchip.h>
>>
>> Drop, not needed.
>>
> 
> I need it for the definition of RK_PA4 and RK_PB4.
> 
> The example fails to compile if I remove it

Ah, right.

Best regards,
Krzysztof

Re: [PATCH 1/2] dt-bindings: media: Add schema for OmniVision OV8858

[Laurent Pinchart]

Hi Jacopo,

Thank you for the patch.

One comment in addition to Krzysztof's.

On Thu, Jan 05, 2023 at 06:23:19PM +0100, Jacopo Mondi wrote:
> From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> 
> Add binding schema for the OmniVision OV8858 8 Megapixels camera sensor.
> 
> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> ---
>  .../bindings/media/i2c/ovti,ov8858.yaml       | 109 ++++++++++++++++++
>  1 file changed, 109 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml
> new file mode 100644
> index 000000000000..f6d5cf69234c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml
> @@ -0,0 +1,109 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ovti,ov8858.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OmniVision OV8858 Image Sensor
> +
> +maintainers:
> +  - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> +  - Nicholas Roth <nicholas@rothemail.net>
> +
> +description: |
> +  The OmniVision OV8858 is a color CMOS 8 Megapixles (3264x2448) image sensor

s/pixles/pixels/

Conditionally-Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

with this and the issues pointed by Krzysztof first.

> +  controlled through an I2C-compatible SCCB bus. The sensor transmits images
> +  on a MIPI CSI-2 output interface with up to 4 data lanes.
> +
> +properties:
> +  compatible:
> +    const: ovti,ov8858
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: XVCLK external clock
> +
> +  clock-names:
> +    const: xvclk
> +
> +  dvdd-supply:
> +    description: Digital Domain Power Supply
> +
> +  avdd-supply:
> +    description: Analog Domain Power Supply
> +
> +  dovdd-supply:
> +    description: I/O Domain Power Supply
> +
> +  powerdown-gpios:
> +    maxItems: 1
> +    description: PWDNB powerdown GPIO (active low)
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: XSHUTDN reset GPIO (active low)
> +
> +  port:
> +    description: MIPI CSI-2 transmitter port
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
> +        properties:
> +          data-lanes:
> +            minItems: 1
> +            maxItems: 4
> +
> +        required:
> +          - data-lanes
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - assigned-clocks
> +  - assigned-clock-rates
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/pinctrl/rockchip.h>
> +    #include <dt-bindings/clock/rk3399-cru.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c2 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ov8858: camera@36 {
> +            compatible = "ovti,ov8858";
> +            reg = <0x36>;
> +
> +            clocks = <&cru SCLK_CIF_OUT>;
> +            clock-names = "xvclk";
> +            assigned-clocks = <&cru SCLK_CIF_OUT>;
> +            assigned-clock-rates = <24000000>;
> +
> +            dovdd-supply = <&vcc1v8_dvp>;
> +
> +            reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
> +            powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>;
> +
> +            port {
> +                ucam_out: endpoint {
> +                    remote-endpoint = <&mipi_in_ucam>;
> +                    data-lanes = <1 2 3 4>;
> +                };
> +            };
> +        };
> +    };
> +...

-- 
Regards,

Laurent Pinchart