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Message-ID: <9af288b0-2c31-48e2-b9ec-cb9e996ea644@kernel.org>
Date: Mon, 25 Aug 2025 17:28:55 +0200
From: Bryan O'Donoghue <bod@...nel.org>
To: michael.riesch@...labora.com, Mehdi Djait <mehdi.djait@...ux.intel.com>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Théo Lebrun <theo.lebrun@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Gerald Loacker <gerald.loacker@...fvision.net>,
Markus Elfring <Markus.Elfring@....de>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring
<robh+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Kever Yang <kever.yang@...k-chips.com>,
Nicolas Dufresne <nicolas.dufresne@...labora.com>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Collabora Kernel Team <kernel@...labora.com>,
Paul Kocialkowski <paulk@...-base.io>,
Alexander Shiyan <eagle.alexander923@...il.com>,
Val Packett <val@...kett.cool>, Rob Herring <robh@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v10 05/13] media: dt-bindings: add rockchip rk3568 mipi
csi-2 receiver
On 19/08/2025 00:25, Michael Riesch via B4 Relay wrote:
> From: Michael Riesch <michael.riesch@...labora.com>
>
> Add documentation for the Rockchip RK3568 MIPI CSI-2 Receiver.
>
> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
> Signed-off-by: Michael Riesch <michael.riesch@...labora.com>
> ---
> .../bindings/media/rockchip,rk3568-mipi-csi.yaml | 144 +++++++++++++++++++++
> MAINTAINERS | 6 +
> 2 files changed, 150 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..8cbab93b4b85
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
> @@ -0,0 +1,144 @@
> +# 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@...labora.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:
> + oneOf:
> + - items:
> + - enum:
> + - rockchip,rk3588-mipi-csi
> + - const: rockchip,rk3568-mipi-csi
> + - const: rockchip,rk3568-mipi-csi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + items:
> + - description: Interrupt that signals changes in CSI2HOST_ERR1.
> + - description: Interrupt that signals changes in CSI2HOST_ERR2.
> +
> + interrupt-names:
> + items:
> + - const: irq1
> + - const: irq2
> +
> + clocks:
> + maxItems: 1
> +
> + phys:
> + maxItems: 1
> + description: MIPI C-PHY or D-PHY.
> +
> + 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]
> +
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + required:
> + - bus-type
> + - data-lanes
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description: Output port connected to a RK3568 VICAP port.
> +
> + required:
> + - port@0
> + - port@1
> +
> + power-domains:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - phys
> + - ports
> + - power-domains
> + - resets
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/rk3568-cru.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/media/video-interfaces.h>
> + #include <dt-bindings/power/rk3568-power.h>
> +
> + soc {
> + interrupt-parent = <&gic>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + csi: csi@...b0000 {
> + compatible = "rockchip,rk3568-mipi-csi";
> + reg = <0x0 0xfdfb0000 0x0 0x10000>;
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "irq1", "irq2";
> + 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@0 {
> + reg = <0>;
> +
> + csi_input: endpoint {
> + bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
> + data-lanes = <1 2 3 4>;
> + remote-endpoint = <&imx415_output>;
> + };
> + };
> +
> + csi_out: port@1 {
> + reg = <1>;
> +
> + csi_output: endpoint {
> + remote-endpoint = <&vicap_mipi_input>;
> + };
> + };
> + };
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 4c39b9fd80bb..2ac4b7a5b255 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -21797,6 +21797,12 @@ 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@...labora.com>
> +L: linux-media@...r.kernel.org
> +S: Maintained
> +F: Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
> +
> ROCKCHIP RK3568 RANDOM NUMBER GENERATOR SUPPORT
> M: Daniel Golle <daniel@...rotopia.org>
> M: Aurelien Jarno <aurelien@...el32.net>
>
Reviewed-by: Bryan O'Donoghue <bod@...nel.org>
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