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dt-bindings: media: Add bindings for raspberrypi,rp1-cfe
Add DT bindings for raspberrypi,rp1-cfe.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
authored by
Tomi Valkeinen
and committed by
Mauro Carvalho Chehab
1358bb52
6390834c
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Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml
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Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/raspberrypi,rp1-cfe.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Raspberry Pi PiSP Camera Front End
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maintainers:
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- Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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- Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
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description: |
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The Raspberry Pi PiSP Camera Front End is a module in Raspberrypi 5's RP1 I/O
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controller, that contains:
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- MIPI D-PHY
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- MIPI CSI-2 receiver
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- Simple image processor (called PiSP Front End, or FE)
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The FE documentation is available at:
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https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
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The PHY and CSI-2 receiver part have no public documentation.
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properties:
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compatible:
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items:
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- const: raspberrypi,rp1-cfe
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reg:
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items:
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- description: CSI-2 registers
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- description: D-PHY registers
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- description: MIPI CFG (a simple top-level mux) registers
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- description: FE registers
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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port:
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$ref: /schemas/graph.yaml#/$defs/port-base
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additionalProperties: false
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description: CSI-2 RX Port
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properties:
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endpoint:
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$ref: video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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data-lanes:
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minItems: 1
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maxItems: 4
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required:
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- data-lanes
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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additionalProperties: false
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examples:
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- |
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rp1 {
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#address-cells = <2>;
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#size-cells = <2>;
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csi@110000 {
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compatible = "raspberrypi,rp1-cfe";
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reg = <0xc0 0x40110000 0x0 0x100>,
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<0xc0 0x40114000 0x0 0x100>,
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<0xc0 0x40120000 0x0 0x100>,
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<0xc0 0x40124000 0x0 0x1000>;
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interrupts = <42>;
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clocks = <&rp1_clocks>;
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port {
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csi_ep: endpoint {
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remote-endpoint = <&cam_endpoint>;
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data-lanes = <1 2>;
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};
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};
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};
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};