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Message-ID: <Z7iJ-UaLabqK4ZhY@kekkonen.localdomain>
Date: Fri, 21 Feb 2025 14:13:13 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Michael Riesch <michael.riesch@...fvision.net>
Cc: Mehdi Djait <mehdi.djait@...ux.intel.com>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Théo Lebrun <theo.lebrun@...tlin.com>,
Gerald Loacker <gerald.loacker@...fvision.net>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
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 Fricke <sebastian.fricke@...labora.com>,
Sebastian Reichel <sebastian.reichel@...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>, 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 v4 04/11] media: dt-bindings: media: add bindings for
rockchip mipi csi host
Hi Michael,
On Wed, Feb 19, 2025 at 11:16:35AM +0100, Michael Riesch wrote:
> Add documentation for the Rockchip RK3568 MIPI CSI-2 Host unit.
>
> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
> ---
> .../bindings/media/rockchip,rk3568-mipi-csi.yaml | 123 +++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 124 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..288941686e96
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi.yaml
> @@ -0,0 +1,123 @@
> +# 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@...fvision.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.
> +
> + phy-names:
> + items:
> + - const: csiphy
> +
> + 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:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description:
> + Output port node. Connect to RK3568 VICAP MIPI CSI-2 port.
What's the purpose of a port node without an endpoint?
> +
> + 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@...b0000 {
> + compatible = "rockchip,rk3568-mipi-csi";
> + reg = <0x0 0xfdfb0000 0x0 0x10000>;
> + clocks = <&cru PCLK_CSI2HOST1>;
> + phys = <&csi_dphy>;
> + phy-names = "csiphy";
> + 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@...fvision.net>
> L: linux-media@...r.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
>
--
Kind regards,
Sakari Ailus
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