[PATCH v7 05/14] media: dt-bindings: add rockchip rk3568 mipi csi-2 receiver

[Michael Riesch via B4 Relay]

From: Michael Riesch <michael.riesch at wolfvision.net>

Add documentation for the Rockchip RK3568 MIPI CSI-2 Receiver.

Signed-off-by: Michael Riesch <michael.riesch at wolfvision.net>
Signed-off-by: Michael Riesch <michael.riesch at collabora.com>
---
 .../bindings/media/rockchip,rk3568-mipi-csi.yaml   | 117 +++++++++++++++++++++
 MAINTAINERS                                        |   6 ++
 2 files changed, 123 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
new file mode 100644
index 000000000000..03b794a8f7a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
@@ -0,0 +1,117 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/rockchip,rk3568-mipi-csi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip RK3568 MIPI CSI-2 Receiver
+
+maintainers:
+  - Michael Riesch <michael.riesch at collabora.com>
+
+description:
+  The Rockchip RK3568 MIPI CSI-2 Receiver is a CSI-2 bridge with one input port
+  and one output port. It receives the data with the help of an external
+  MIPI PHY (C-PHY or D-PHY) and passes it to the Rockchip RK3568 Video Capture
+  (VICAP) block.
+
+properties:
+  compatible:
+    const: rockchip,rk3568-mipi-csi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  phys:
+    maxItems: 1
+    description: MIPI C-PHY or D-PHY.
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port at 0:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        description: Input port node. Connect to e.g., a MIPI CSI-2 image sensor.
+
+        properties:
+          endpoint:
+            $ref: video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              bus-type:
+                enum: [1, 4]
+
+              data-lanes:
+                minItems: 1
+                maxItems: 4
+
+            required:
+              - bus-type
+              - data-lanes
+
+      port at 1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Output port connected to a RK3568 VICAP port.
+
+    required:
+      - port at 0
+      - port at 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - phys
+  - ports
+  - power-domains
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3568-cru.h>
+    #include <dt-bindings/power/rk3568-power.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        csi: csi at fdfb0000 {
+            compatible = "rockchip,rk3568-mipi-csi";
+            reg = <0x0 0xfdfb0000 0x0 0x10000>;
+            clocks = <&cru PCLK_CSI2HOST1>;
+            phys = <&csi_dphy>;
+            power-domains = <&power RK3568_PD_VI>;
+            resets = <&cru SRST_P_CSI2HOST1>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                csi_in: port at 0 {
+                    reg = <0>;
+                };
+
+                csi_out: port at 1 {
+                    reg = <1>;
+
+                    csi_output: endpoint {
+                        remote-endpoint = <&vicap_mipi_input>;
+                    };
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 1c327f87a6a7..8356b877ef51 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21037,6 +21037,12 @@ F:	Documentation/userspace-api/media/v4l/metafmt-rkisp1.rst
 F:	drivers/media/platform/rockchip/rkisp1
 F:	include/uapi/linux/rkisp1-config.h
 
+ROCKCHIP MIPI CSI-2 RECEIVER DRIVER
+M:	Michael Riesch <michael.riesch at collabora.com>
+L:	linux-media at vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
+
 ROCKCHIP RK3568 RANDOM NUMBER GENERATOR SUPPORT
 M:	Daniel Golle <daniel at makrotopia.org>
 M:	Aurelien Jarno <aurelien at aurel32.net>

-- 
2.39.5