diff mbox series

[v12,1/8] dt-bindings: media: platform: visconti: Add Toshiba Visconti MIPI CSI-2 Receiver

Message ID 20241125092146.1561901-2-yuji2.ishikawa@toshiba.co.jp (mailing list archive)
State New
Headers show
Series Add Toshiba Visconti Video Input Interface driver | expand

Commit Message

Yuji Ishikawa Nov. 25, 2024, 9:21 a.m. UTC
Adds the Device Tree binding documentation that allows to describe
the MIPI CSI-2 Receiver found in Toshiba Visconti SoCs.

Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
---

Changelog v12:
- Newly add bindings for CSI2RX driver 

 .../media/toshiba,visconti5-csi2rx.yaml       | 104 ++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml

Comments

Krzysztof Kozlowski Nov. 25, 2024, 10:11 a.m. UTC | #1
On 25/11/2024 10:21, Yuji Ishikawa wrote:
> Adds the Device Tree binding documentation that allows to describe
> the MIPI CSI-2 Receiver found in Toshiba Visconti SoCs.
> 
> Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
> Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>


How newly added patch can have already Rb tag? Was this review really,
really performed internally or you just satisfy some internal managers
requirements and fake the stats?

> ---
> 
> Changelog v12:
> - Newly add bindings for CSI2RX driver 
> 
>  .../media/toshiba,visconti5-csi2rx.yaml       | 104 ++++++++++++++++++
>  1 file changed, 104 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml b/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml
> new file mode 100644
> index 000000000000..5488072bc82a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml
> @@ -0,0 +1,104 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/toshiba,visconti5-csi2rx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Toshiba Visconti5 SoC MIPI CSI-2 receiver
> +
> +maintainers:
> +  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
> +
> +description: |-

Drop |-

> +  Toshiba Visconti5 SoC MIPI CSI-2 receiver device receives MIPI CSI-2 video
> +  stream. Use with VIIF device. T.B.D
> +
> +properties:
> +  compatible:
> +    const: toshiba,visconti5-csi2rx

Why this is called "RX"? Can you have a TX? I had impression that one
cannot.

> +
> +  reg:
> +    items:
> +      - description: Registers for CSI2 receiver control
> +
> +  interrupts:
> +    items:
> +      - description: CSI2 Receiver Interrupt
> +
> +  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 the CSI-2 transmitter.
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                description: CSI2 receiver supports 1, 2, 3 or 4 data lanes
> +                minItems: 1
> +                items:
> +                  - const: 1
> +                  - const: 2
> +                  - const: 3
> +                  - const: 4
> +            required:
> +              - data-lanes
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          Output port node, single endpoint describing the Visconti VIIF.
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        csi2rx@1c008000 {


csi@

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation



Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml b/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml
new file mode 100644
index 000000000000..5488072bc82a
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/toshiba,visconti5-csi2rx.yaml
@@ -0,0 +1,104 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/toshiba,visconti5-csi2rx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toshiba Visconti5 SoC MIPI CSI-2 receiver
+
+maintainers:
+  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
+
+description: |-
+  Toshiba Visconti5 SoC MIPI CSI-2 receiver device receives MIPI CSI-2 video
+  stream. Use with VIIF device. T.B.D
+
+properties:
+  compatible:
+    const: toshiba,visconti5-csi2rx
+
+  reg:
+    items:
+      - description: Registers for CSI2 receiver control
+
+  interrupts:
+    items:
+      - description: CSI2 Receiver Interrupt
+
+  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 the CSI-2 transmitter.
+
+        properties:
+          endpoint:
+            $ref: video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: CSI2 receiver supports 1, 2, 3 or 4 data lanes
+                minItems: 1
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+            required:
+              - data-lanes
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Output port node, single endpoint describing the Visconti VIIF.
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        csi2rx@1c008000 {
+            compatible = "toshiba,visconti5-csi2rx";
+            reg = <0 0x1c008000 0 0x400>;
+            interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                port@0 {
+                    reg = <0>;
+                    csi2rx_in0: endpoint {
+                        data-lanes = <1 2>;
+                        remote-endpoint = <&imx219_out0>;
+                    };
+                };
+                port@1 {
+                    reg = <1>;
+                    csi2rx_out0: endpoint {
+                        remote-endpoint = <&csi_in0>;
+                    };
+                };
+            };
+        };
+    };