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media: dt-bindings: Document Renesas RZ/G2L CSI-2 block
Document the CSI-2 block which is part of CRU found in Renesas RZ/G2L (and alike) SoCs. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml
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Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright (C) 2022 Renesas Electronics Corp.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/renesas,rzg2l-csi2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas RZ/G2L (and alike SoC's) MIPI CSI-2 receiver
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maintainers:
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- Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
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description:
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The CSI-2 receiver device provides MIPI CSI-2 capabilities for the Renesas RZ/G2L
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(and alike SoCs). MIPI CSI-2 is part of the CRU block which is used in conjunction
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with the Image Processing module, which provides the video capture capabilities.
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properties:
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compatible:
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items:
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- enum:
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- renesas,r9a07g044-csi2 # RZ/G2{L,LC}
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- renesas,r9a07g054-csi2 # RZ/V2L
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- const: renesas,rzg2l-csi2
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: Internal clock for connecting CRU and MIPI
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- description: CRU Main clock
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- description: CRU Register access clock
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clock-names:
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items:
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- const: system
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- const: video
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- const: apb
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power-domains:
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maxItems: 1
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resets:
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items:
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- description: CRU_PRESETN reset terminal
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- description: CRU_CMN_RSTB reset terminal
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reset-names:
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items:
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- const: presetn
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- const: cmn-rstb
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description:
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Input port node, single endpoint describing the CSI-2 transmitter.
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properties:
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endpoint:
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$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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items:
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maximum: 4
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required:
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- clock-lanes
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- data-lanes
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Output port node, Image Processing block connected to the CSI-2 receiver.
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required:
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- port@0
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- port@1
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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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- clock-names
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- power-domains
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- resets
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- reset-names
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- ports
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r9a07g044-cpg.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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csi: csi@10830400 {
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compatible = "renesas,r9a07g044-csi2", "renesas,rzg2l-csi2";
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reg = <0x10830400 0xfc00>;
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interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD R9A07G044_CRU_SYSCLK>,
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<&cpg CPG_MOD R9A07G044_CRU_VCLK>,
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<&cpg CPG_MOD R9A07G044_CRU_PCLK>;
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clock-names = "system", "video", "apb";
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power-domains = <&cpg>;
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resets = <&cpg R9A07G044_CRU_PRESETN>,
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<&cpg R9A07G044_CRU_CMN_RSTB>;
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reset-names = "presetn", "cmn-rstb";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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csi2_in: endpoint {
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clock-lanes = <0>;
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data-lanes = <1 2>;
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remote-endpoint = <&ov5645_ep>;
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};
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};
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port@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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csi2cru: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&crucsi2>;
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};
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};
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};
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};
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