[PATCH v5 04/11] media: dt-bindings: media: add bindings for rockchip mipi csi host

Michael Riesch
2025-03-06T17:05:43Z

Add documentation for the Rockchip RK3568 MIPI CSI-2 Host unit.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
---
.../bindings/media/rockchip,rk3568-mipi-csi.yaml | 114 +++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 115 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..900f5a32dab9
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
@@ -0,0 +1,114 @@
+# 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 Host
+
+maintainers:
+ - Michael Riesch <michael.riesch@wolfvision.net>
+
+description:
+ The Rockchip RK3568 MIPI CSI-2 Host 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@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]
+
+ required:
+ - bus-type
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Internal port connected to a RK3568 VICAP port.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - phys
+ - phy-names
+ - ports
+ - power-domains
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3568-cru.h>
+ #include <dt-bindings/power/rk3568-power.h>
+
+ parent {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ csi: csi@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>;
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csi_in: port@0 {
+ reg = <0>;
+ };
+
+ csi_out: port@1 {
+ reg = <1>;
+
+ csi_output: endpoint {
+ remote-endpoint = <&vicap_mipi_input>;
+ };
+ };
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index cd8fa1afe5eb..d83a7762dbe3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20407,6 +20407,7 @@ M: Michael Riesch <michael.riesch@wolfvision.net>
L: linux-media@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
+F: Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
F: Documentation/devicetree/bindings/media/rockchip,rk3568-vicap.yaml

ROCKCHIP CRYPTO DRIVERS

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2.34.1