[PATCH v3 01/31] dt-bindings: media: add DW MIPI CSI-2 Host support
From: Frank Li <Frank.Li@nxp.com>
Date: 2025-08-21 20:16:17
Also in:
imx, linux-devicetree, linux-media, linux-phy, linux-staging, lkml
Subsystem:
media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Eugen Hristev <redacted> Add bindings for Synopsys DesignWare MIPI CSI-2 host, which used at i.MX93 and i.MX95 platform. Signed-off-by: Luis Oliveira <redacted> Signed-off-by: Eugen Hristev <redacted> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- Change in v3 - drop remote-endpoint: true - drop clock-lanes Change in v2 - remove Eugen Hristev [off-list ref] from mantainer. - update ugen Hristev's s-o-b tag to align original author's email address - remove single snps,dw-mipi-csi2-v150 compatible string - move additionalProperties after required --- .../bindings/media/snps,dw-mipi-csi2-v150.yaml | 151 +++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 152 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/snps,dw-mipi-csi2-v150.yaml b/Documentation/devicetree/bindings/media/snps,dw-mipi-csi2-v150.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..d950daa4ee9cfd504ef84b83271b2a1b710ffd6b
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/snps,dw-mipi-csi2-v150.yaml@@ -0,0 +1,151 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/snps,dw-mipi-csi2-v150.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare CSI-2 Host controller (csi2host) + +maintainers: + - Frank Li <Frank.Li@nxp.com> + +description: + CSI2HOST is used to receive image coming from an MIPI CSI-2 compatible + camera. It will convert the incoming CSI-2 stream into a dedicated + interface called the Synopsys IDI (Image Data Interface). + This interface is a 32-bit SoC internal only, and can be assimilated + with a CSI-2 interface. + +properties: + compatible: + items: + - enum: + - fsl,imx93-mipi-csi2 + - const: snps,dw-mipi-csi2-v150 + + reg: + items: + - description: MIPI CSI-2 core register + + reg-names: + items: + - const: core + + clocks: + maxItems: 2 + + clock-names: + items: + - const: per + - const: pixel + + phys: + maxItems: 1 + description: MIPI D-PHY + + phy-names: + items: + - const: rx + + resets: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + 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, single endpoint describing the input port. + + properties: + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + description: Endpoint connected to input device + + properties: + bus-type: + const: 4 + + data-lanes: + minItems: 1 + maxItems: 4 + items: + maximum: 4 + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Output port node, single endpoint describing the output port. + + properties: + endpoint: + unevaluatedProperties: false + $ref: video-interfaces.yaml# + description: Endpoint connected to output device + + properties: + bus-type: + const: 4 + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reg-names + - interrupts + - ports + +additionalProperties: false + +examples: + - | + csi@3000 { + compatible = "fsl,imx93-mipi-csi2", "snps,dw-mipi-csi2-v150"; + reg = <0x03000 0x1000>; + reg-names = "core"; + phys = <&mipi_dphy_rx 0>; + phy-names = "rx"; + resets = <&dw_rst 1>; + interrupts = <2>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + endpoint { + bus-type = <4>; /* MIPI CSI2 D-PHY */ + remote-endpoint = <&camera_1>; + data-lanes = <1 2>; + clock-lanes = <0>; + }; + }; + + port@1 { + reg = <1>; + + endpoint { + remote-endpoint = <&idi_receiver>; + bus-type = <4>; + }; + }; + }; + }; + +...
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d9d2be7be8037dfa96f1c9edd24a0cf997b9393..ecb7bc7cc8ad797f43173075ca8973804bf335f7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS@@ -15334,6 +15334,7 @@ F: Documentation/devicetree/bindings/media/fsl,imx93-parallel-csi.yaml F: Documentation/devicetree/bindings/media/nxp,imx-mipi-csi2.yaml F: Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml F: Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml +F: Documentation/devicetree/bindings/media/snps,dw-mipi-csi2-v150.yaml F: drivers/media/platform/nxp/imx-mipi-csis.c F: drivers/media/platform/nxp/imx-parallel-csi.c F: drivers/media/platform/nxp/imx7-media-csi.c
--
2.34.1