2022-08-01 22:15:33

by Prabhakar Mahadev Lad

[permalink] [raw]
Subject: [PATCH 2/4] media: dt-bindings: media: Document RZ/G2L CRU

Document the CRU block found on Renesas RZ/G2L SoC's.

Signed-off-by: Lad Prabhakar <[email protected]>
---
RFC v2 -> v1
* Dropped endpoint stuff from port1 as suggested by Rob
* Updated description for endpoint

RFC v1 -> RFC v2
* Dropped CSI
---
.../bindings/media/renesas,rzg2l-cru.yaml | 142 ++++++++++++++++++
1 file changed, 142 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml

diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
new file mode 100644
index 000000000000..d7389693dae9
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
@@ -0,0 +1,142 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2022 Renesas Electronics Corp.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L (and alike SoC's) Camera Data Receiving Unit (CRU) Image processing
+
+maintainers:
+ - Lad Prabhakar <[email protected]>
+
+description:
+ The CRU image processing module is a data conversion module equipped with pixel
+ color space conversion, LUT, pixel format conversion, etc. An MIPI CSI-2 input and
+ parallel (including ITU-R BT.656) input are provided as the image sensor interface.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - renesas,r9a07g044-cru # RZ/G2{L,LC}
+ - renesas,r9a07g054-cru # RZ/V2L
+ - const: renesas,rzg2l-cru
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 3
+
+ interrupt-names:
+ items:
+ - const: image_conv
+ - const: image_conv_err
+ - const: axi_mst_err
+
+ clocks:
+ items:
+ - description: CRU Main clock
+ - description: CPU Register access clock
+ - description: CRU image transfer clock
+
+ clock-names:
+ items:
+ - const: vclk
+ - const: pclk
+ - const: aclk
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ items:
+ - description: CRU_PRESETN reset terminal
+ - description: CRU_ARESETN reset terminal
+
+ reset-names:
+ items:
+ - const: presetn
+ - const: aresetn
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port node, single endpoint describing a parallel input source.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ hsync-active: true
+ vsync-active: true
+ bus-width: true
+ data-shift: true
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port node, describing the Image Processing module connected to the
+ CSI-2 receiver.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - power-domains
+
+additionalProperties: false
+
+examples:
+ # Device node example with CSI-2
+ - |
+ #include <dt-bindings/clock/r9a07g044-cpg.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ cru: video@10830000 {
+ compatible = "renesas,r9a07g044-cru", "renesas,rzg2l-cru";
+ reg = <0x10830000 0x400>;
+ interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "image_conv", "image_conv_err", "axi_mst_err";
+ clocks = <&cpg CPG_MOD R9A07G044_CRU_VCLK>,
+ <&cpg CPG_MOD R9A07G044_CRU_PCLK>,
+ <&cpg CPG_MOD R9A07G044_CRU_ACLK>;
+ clock-names = "vclk", "pclk", "aclk";
+ power-domains = <&cpg>;
+ resets = <&cpg R9A07G044_CRU_PRESETN>,
+ <&cpg R9A07G044_CRU_ARESETN>;
+ reset-names = "presetn", "aresetn";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <1>;
+
+ crucsi2: endpoint@0 {
+ reg = <0>;
+ remote-endpoint= <&csi2cru>;
+ };
+ };
+ };
+ };
--
2.25.1



2022-08-02 07:51:58

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [PATCH 2/4] media: dt-bindings: media: Document RZ/G2L CRU

On 01/08/2022 23:47, Lad Prabhakar wrote:
> Document the CRU block found on Renesas RZ/G2L SoC's.
>
> Signed-off-by: Lad Prabhakar <[email protected]>
> ---
> RFC v2 -> v1
> * Dropped endpoint stuff from port1 as suggested by Rob
> * Updated description for endpoint
>
> RFC v1 -> RFC v2
> * Dropped CSI
> ---
> .../bindings/media/renesas,rzg2l-cru.yaml | 142 ++++++++++++++++++
> 1 file changed, 142 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> new file mode 100644
> index 000000000000..d7389693dae9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> @@ -0,0 +1,142 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2022 Renesas Electronics Corp.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/G2L (and alike SoC's) Camera Data Receiving Unit (CRU) Image processing
> +
> +maintainers:
> + - Lad Prabhakar <[email protected]>
> +
> +description:
> + The CRU image processing module is a data conversion module equipped with pixel
> + color space conversion, LUT, pixel format conversion, etc. An MIPI CSI-2 input and
> + parallel (including ITU-R BT.656) input are provided as the image sensor interface.
> +
> +properties:
> + compatible:
> + oneOf:

No need for oneOf, unless you already have a patch adding second case to
oneOf.

> + - items:
> + - enum:
> + - renesas,r9a07g044-cru # RZ/G2{L,LC}
> + - renesas,r9a07g054-cru # RZ/V2L
> + - const: renesas,rzg2l-cru
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 3
> +
> + interrupt-names:
> + items:
> + - const: image_conv
> + - const: image_conv_err
> + - const: axi_mst_err
> +
> + clocks:
> + items:
> + - description: CRU Main clock
> + - description: CPU Register access clock
> + - description: CRU image transfer clock
> +
> + clock-names:
> + items:
> + - const: vclk
> + - const: pclk
> + - const: aclk
> +
> + power-domains:
> + maxItems: 1
> +
> + resets:
> + items:
> + - description: CRU_PRESETN reset terminal
> + - description: CRU_ARESETN reset terminal
> +
> + reset-names:
> + items:
> + - const: presetn
> + - const: aresetn
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description:
> + Input port node, single endpoint describing a parallel input source.
> +
> + properties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + hsync-active: true
> + vsync-active: true
> + bus-width: true
> + data-shift: true
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Input port node, describing the Image Processing module connected to the
> + CSI-2 receiver.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-names
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> + # Device node example with CSI-2
> + - |
> + #include <dt-bindings/clock/r9a07g044-cpg.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + cru: video@10830000 {
> + compatible = "renesas,r9a07g044-cru", "renesas,rzg2l-cru";

Also 4-space for DTS example, please.



Best regards,
Krzysztof

2022-08-03 14:18:06

by Prabhakar

[permalink] [raw]
Subject: Re: [PATCH 2/4] media: dt-bindings: media: Document RZ/G2L CRU

Hi Krzysztof,

Thank you for the review.

On Tue, Aug 2, 2022 at 8:37 AM Krzysztof Kozlowski
<[email protected]> wrote:
>
> On 01/08/2022 23:47, Lad Prabhakar wrote:
> > Document the CRU block found on Renesas RZ/G2L SoC's.
> >
> > Signed-off-by: Lad Prabhakar <[email protected]>
> > ---
> > RFC v2 -> v1
> > * Dropped endpoint stuff from port1 as suggested by Rob
> > * Updated description for endpoint
> >
> > RFC v1 -> RFC v2
> > * Dropped CSI
> > ---
> > .../bindings/media/renesas,rzg2l-cru.yaml | 142 ++++++++++++++++++
> > 1 file changed, 142 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> > new file mode 100644
> > index 000000000000..d7389693dae9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> > @@ -0,0 +1,142 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +# Copyright (C) 2022 Renesas Electronics Corp.
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas RZ/G2L (and alike SoC's) Camera Data Receiving Unit (CRU) Image processing
> > +
> > +maintainers:
> > + - Lad Prabhakar <[email protected]>
> > +
> > +description:
> > + The CRU image processing module is a data conversion module equipped with pixel
> > + color space conversion, LUT, pixel format conversion, etc. An MIPI CSI-2 input and
> > + parallel (including ITU-R BT.656) input are provided as the image sensor interface.
> > +
> > +properties:
> > + compatible:
> > + oneOf:
>
> No need for oneOf, unless you already have a patch adding second case to
> oneOf.
>
Agreed, I will drop that.

> > + - items:
> > + - enum:
> > + - renesas,r9a07g044-cru # RZ/G2{L,LC}
> > + - renesas,r9a07g054-cru # RZ/V2L
> > + - const: renesas,rzg2l-cru
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 3
> > +
> > + interrupt-names:
> > + items:
> > + - const: image_conv
> > + - const: image_conv_err
> > + - const: axi_mst_err
> > +
> > + clocks:
> > + items:
> > + - description: CRU Main clock
> > + - description: CPU Register access clock
> > + - description: CRU image transfer clock
> > +
> > + clock-names:
> > + items:
> > + - const: vclk
> > + - const: pclk
> > + - const: aclk
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > + resets:
> > + items:
> > + - description: CRU_PRESETN reset terminal
> > + - description: CRU_ARESETN reset terminal
> > +
> > + reset-names:
> > + items:
> > + - const: presetn
> > + - const: aresetn
> > +
> > + ports:
> > + $ref: /schemas/graph.yaml#/properties/ports
> > +
> > + properties:
> > + port@0:
> > + $ref: /schemas/graph.yaml#/$defs/port-base
> > + unevaluatedProperties: false
> > + description:
> > + Input port node, single endpoint describing a parallel input source.
> > +
> > + properties:
> > + endpoint:
> > + $ref: video-interfaces.yaml#
> > + unevaluatedProperties: false
> > +
> > + properties:
> > + hsync-active: true
> > + vsync-active: true
> > + bus-width: true
> > + data-shift: true
> > +
> > + port@1:
> > + $ref: /schemas/graph.yaml#/properties/port
> > + description:
> > + Input port node, describing the Image Processing module connected to the
> > + CSI-2 receiver.
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - interrupts
> > + - interrupt-names
> > + - clocks
> > + - clock-names
> > + - resets
> > + - reset-names
> > + - power-domains
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + # Device node example with CSI-2
> > + - |
> > + #include <dt-bindings/clock/r9a07g044-cpg.h>
> > + #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > + cru: video@10830000 {
> > + compatible = "renesas,r9a07g044-cru", "renesas,rzg2l-cru";
>
> Also 4-space for DTS example, please.
>
Agreed.

Cheers,
Prabhakar

2022-08-30 00:30:22

by Laurent Pinchart

[permalink] [raw]
Subject: Re: [PATCH 2/4] media: dt-bindings: media: Document RZ/G2L CRU

Hi Prabhakar,

Thank you for the patch.

On Mon, Aug 01, 2022 at 10:47:16PM +0100, Lad Prabhakar wrote:
> Document the CRU block found on Renesas RZ/G2L SoC's.
>
> Signed-off-by: Lad Prabhakar <[email protected]>
> ---
> RFC v2 -> v1
> * Dropped endpoint stuff from port1 as suggested by Rob
> * Updated description for endpoint
>
> RFC v1 -> RFC v2
> * Dropped CSI
> ---
> .../bindings/media/renesas,rzg2l-cru.yaml | 142 ++++++++++++++++++
> 1 file changed, 142 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> new file mode 100644
> index 000000000000..d7389693dae9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> @@ -0,0 +1,142 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2022 Renesas Electronics Corp.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/G2L (and alike SoC's) Camera Data Receiving Unit (CRU) Image processing
> +
> +maintainers:
> + - Lad Prabhakar <[email protected]>
> +
> +description:
> + The CRU image processing module is a data conversion module equipped with pixel
> + color space conversion, LUT, pixel format conversion, etc. An MIPI CSI-2 input and
> + parallel (including ITU-R BT.656) input are provided as the image sensor interface.
> +
> +properties:
> + compatible:
> + oneOf:

No oneOf here either.

> + - items:
> + - enum:
> + - renesas,r9a07g044-cru # RZ/G2{L,LC}
> + - renesas,r9a07g054-cru # RZ/V2L
> + - const: renesas,rzg2l-cru
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 3
> +
> + interrupt-names:
> + items:
> + - const: image_conv
> + - const: image_conv_err
> + - const: axi_mst_err
> +
> + clocks:
> + items:
> + - description: CRU Main clock
> + - description: CPU Register access clock
> + - description: CRU image transfer clock
> +
> + clock-names:
> + items:
> + - const: vclk
> + - const: pclk
> + - const: aclk
> +
> + power-domains:
> + maxItems: 1
> +
> + resets:
> + items:
> + - description: CRU_PRESETN reset terminal
> + - description: CRU_ARESETN reset terminal
> +
> + reset-names:
> + items:
> + - const: presetn
> + - const: aresetn
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description:
> + Input port node, single endpoint describing a parallel input source.
> +
> + properties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + hsync-active: true
> + vsync-active: true
> + bus-width: true
> + data-shift: true
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Input port node, describing the Image Processing module connected to the
> + CSI-2 receiver.

Both ports should be mandatory as they exist at the hardware level.
Connections (through endpoints) are optional.

Reviewed-by: Laurent Pinchart <[email protected]>

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-names
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> + # Device node example with CSI-2
> + - |
> + #include <dt-bindings/clock/r9a07g044-cpg.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + cru: video@10830000 {
> + compatible = "renesas,r9a07g044-cru", "renesas,rzg2l-cru";
> + reg = <0x10830000 0x400>;
> + interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "image_conv", "image_conv_err", "axi_mst_err";
> + clocks = <&cpg CPG_MOD R9A07G044_CRU_VCLK>,
> + <&cpg CPG_MOD R9A07G044_CRU_PCLK>,
> + <&cpg CPG_MOD R9A07G044_CRU_ACLK>;
> + clock-names = "vclk", "pclk", "aclk";
> + power-domains = <&cpg>;
> + resets = <&cpg R9A07G044_CRU_PRESETN>,
> + <&cpg R9A07G044_CRU_ARESETN>;
> + reset-names = "presetn", "aresetn";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg = <1>;
> +
> + crucsi2: endpoint@0 {
> + reg = <0>;
> + remote-endpoint= <&csi2cru>;
> + };
> + };
> + };
> + };

--
Regards,

Laurent Pinchart

2022-08-30 11:21:33

by Prabhakar

[permalink] [raw]
Subject: Re: [PATCH 2/4] media: dt-bindings: media: Document RZ/G2L CRU

Hi Laurent,

Thank you for the review.

On Tue, Aug 30, 2022 at 12:42 AM Laurent Pinchart
<[email protected]> wrote:
>
> Hi Prabhakar,
>
> Thank you for the patch.
>
> On Mon, Aug 01, 2022 at 10:47:16PM +0100, Lad Prabhakar wrote:
> > Document the CRU block found on Renesas RZ/G2L SoC's.
> >
> > Signed-off-by: Lad Prabhakar <[email protected]>
> > ---
> > RFC v2 -> v1
> > * Dropped endpoint stuff from port1 as suggested by Rob
> > * Updated description for endpoint
> >
> > RFC v1 -> RFC v2
> > * Dropped CSI
> > ---
> > .../bindings/media/renesas,rzg2l-cru.yaml | 142 ++++++++++++++++++
> > 1 file changed, 142 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> > new file mode 100644
> > index 000000000000..d7389693dae9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
> > @@ -0,0 +1,142 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +# Copyright (C) 2022 Renesas Electronics Corp.
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas RZ/G2L (and alike SoC's) Camera Data Receiving Unit (CRU) Image processing
> > +
> > +maintainers:
> > + - Lad Prabhakar <[email protected]>
> > +
> > +description:
> > + The CRU image processing module is a data conversion module equipped with pixel
> > + color space conversion, LUT, pixel format conversion, etc. An MIPI CSI-2 input and
> > + parallel (including ITU-R BT.656) input are provided as the image sensor interface.
> > +
> > +properties:
> > + compatible:
> > + oneOf:
>
> No oneOf here either.
>
Agreed, I will drop it.

> > + - items:
> > + - enum:
> > + - renesas,r9a07g044-cru # RZ/G2{L,LC}
> > + - renesas,r9a07g054-cru # RZ/V2L
> > + - const: renesas,rzg2l-cru
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 3
> > +
> > + interrupt-names:
> > + items:
> > + - const: image_conv
> > + - const: image_conv_err
> > + - const: axi_mst_err
> > +
> > + clocks:
> > + items:
> > + - description: CRU Main clock
> > + - description: CPU Register access clock
> > + - description: CRU image transfer clock
> > +
> > + clock-names:
> > + items:
> > + - const: vclk
> > + - const: pclk
> > + - const: aclk
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > + resets:
> > + items:
> > + - description: CRU_PRESETN reset terminal
> > + - description: CRU_ARESETN reset terminal
> > +
> > + reset-names:
> > + items:
> > + - const: presetn
> > + - const: aresetn
> > +
> > + ports:
> > + $ref: /schemas/graph.yaml#/properties/ports
> > +
> > + properties:
> > + port@0:
> > + $ref: /schemas/graph.yaml#/$defs/port-base
> > + unevaluatedProperties: false
> > + description:
> > + Input port node, single endpoint describing a parallel input source.
> > +
> > + properties:
> > + endpoint:
> > + $ref: video-interfaces.yaml#
> > + unevaluatedProperties: false
> > +
> > + properties:
> > + hsync-active: true
> > + vsync-active: true
> > + bus-width: true
> > + data-shift: true
> > +
> > + port@1:
> > + $ref: /schemas/graph.yaml#/properties/port
> > + description:
> > + Input port node, describing the Image Processing module connected to the
> > + CSI-2 receiver.
>
> Both ports should be mandatory as they exist at the hardware level.
> Connections (through endpoints) are optional.
>
Agreed, I will make the ports as required.

Cheers,
Prabhakar