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

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Message-Id: <20241125092146.1561901-2-yuji2.ishikawa@toshiba.co.jp>
Date: Mon, 25 Nov 2024 18:21:39 +0900
From: Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH v12 1/8] dt-bindings: media: platform: visconti: Add Toshiba Visconti MIPI CSI-2 Receiver

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@...hiba.co.jp>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.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

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@...hiba.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@...08000 {
+            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>;
+                    };
+                };
+            };
+        };
+    };
-- 
2.25.1