dt-bindings: rcar-csi2: Convert bindings to json-schema
Convert Renesas R-Car MIPI CSI-2 receiver bindings documentation to json-schema. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Rob Herring <robh@kernel.org>
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Niklas Söderlund
Rob Herring
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Renesas R-Car MIPI CSI-2
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------------------------
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The R-Car CSI-2 receiver device provides MIPI CSI-2 capabilities for the
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Renesas R-Car and RZ/G2 family of devices. It is used in conjunction with the
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R-Car VIN module, which provides the video capture capabilities.
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Mandatory properties
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--------------------
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- compatible: Must be one or more of the following
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- "renesas,r8a774a1-csi2" for the R8A774A1 device.
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- "renesas,r8a774b1-csi2" for the R8A774B1 device.
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- "renesas,r8a774c0-csi2" for the R8A774C0 device.
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- "renesas,r8a7795-csi2" for the R8A7795 device.
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- "renesas,r8a7796-csi2" for the R8A7796 device.
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- "renesas,r8a77965-csi2" for the R8A77965 device.
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- "renesas,r8a77970-csi2" for the R8A77970 device.
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- "renesas,r8a77980-csi2" for the R8A77980 device.
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- "renesas,r8a77990-csi2" for the R8A77990 device.
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- reg: the register base and size for the device registers
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- interrupts: the interrupt for the device
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- clocks: A phandle + clock specifier for the module clock
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- resets: A phandle + reset specifier for the module reset
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The device node shall contain two 'port' child nodes according to the
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bindings defined in Documentation/devicetree/bindings/media/
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video-interfaces.txt. port@0 shall connect to the CSI-2 source. port@1
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shall connect to all the R-Car VIN modules that have a hardware
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connection to the CSI-2 receiver.
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- port@0- Video source (mandatory)
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- endpoint@0 - sub-node describing the endpoint that is the video source
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- port@1 - VIN instances (optional)
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- One endpoint sub-node for every R-Car VIN instance which is connected
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to the R-Car CSI-2 receiver.
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Example:
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csi20: csi2@fea80000 {
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compatible = "renesas,r8a7796-csi2";
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reg = <0 0xfea80000 0 0x10000>;
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interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 714>;
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power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
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resets = <&cpg 714>;
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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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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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csi20_in: endpoint@0 {
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reg = <0>;
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clock-lanes = <0>;
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data-lanes = <1>;
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remote-endpoint = <&adv7482_txb>;
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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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csi20vin0: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&vin0csi20>;
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};
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csi20vin1: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&vin1csi20>;
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};
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csi20vin2: endpoint@2 {
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reg = <2>;
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remote-endpoint = <&vin2csi20>;
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};
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csi20vin3: endpoint@3 {
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reg = <3>;
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remote-endpoint = <&vin3csi20>;
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};
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csi20vin4: endpoint@4 {
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reg = <4>;
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remote-endpoint = <&vin4csi20>;
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};
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csi20vin5: endpoint@5 {
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reg = <5>;
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remote-endpoint = <&vin5csi20>;
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};
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csi20vin6: endpoint@6 {
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reg = <6>;
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remote-endpoint = <&vin6csi20>;
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};
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csi20vin7: endpoint@7 {
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reg = <7>;
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remote-endpoint = <&vin7csi20>;
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};
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};
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};
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};
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198
Documentation/devicetree/bindings/media/renesas,csi2.yaml
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198
Documentation/devicetree/bindings/media/renesas,csi2.yaml
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@ -0,0 +1,198 @@
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# SPDX-License-Identifier: GPL-2.0-only
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# Copyright (C) 2020 Renesas Electronics Corp.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/renesas,csi2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas R-Car MIPI CSI-2 receiver
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maintainers:
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- Niklas Söderlund <niklas.soderlund@ragnatech.se>
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description:
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The R-Car CSI-2 receiver device provides MIPI CSI-2 capabilities for the
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Renesas R-Car and RZ/G2 family of devices. It is used in conjunction with the
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R-Car VIN 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,r8a774a1-csi2 # RZ/G2M
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- renesas,r8a774b1-csi2 # RZ/G2N
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- renesas,r8a774c0-csi2 # RZ/G2E
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- renesas,r8a7795-csi2 # R-Car H3
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- renesas,r8a7796-csi2 # R-Car M3-W
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- renesas,r8a77965-csi2 # R-Car M3-N
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- renesas,r8a77970-csi2 # R-Car V3M
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- renesas,r8a77980-csi2 # R-Car V3H
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- renesas,r8a77990-csi2 # R-Car E3
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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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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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ports:
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type: object
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description:
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A node containing input and output port nodes with endpoint definitions
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as documented in
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Documentation/devicetree/bindings/media/video-interfaces.txt
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properties:
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port@0:
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type: object
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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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reg:
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const: 0
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endpoint:
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type: object
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properties:
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clock-lanes:
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maxItems: 1
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data-lanes:
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maxItems: 1
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remote-endpoint: true
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required:
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- clock-lanes
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- data-lanes
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- remote-endpoint
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additionalProperties: false
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additionalProperties: false
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port@1:
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type: object
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description:
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Output port node, multiple endpoints describing all the R-Car VIN
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modules connected the CSI-2 receiver.
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properties:
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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reg:
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const: 1
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patternProperties:
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"^endpoint@[0-9a-f]$":
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type: object
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properties:
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reg:
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maxItems: 1
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remote-endpoint: true
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required:
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- reg
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- remote-endpoint
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additionalProperties: false
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additionalProperties: false
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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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- power-domains
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- resets
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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/r8a7796-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a7796-sysc.h>
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csi20: csi2@fea80000 {
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compatible = "renesas,r8a7796-csi2";
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reg = <0 0xfea80000 0 0x10000>;
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interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 714>;
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power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
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resets = <&cpg 714>;
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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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csi20_in: endpoint {
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clock-lanes = <0>;
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data-lanes = <1>;
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remote-endpoint = <&adv7482_txb>;
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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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csi20vin0: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&vin0csi20>;
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};
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csi20vin1: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&vin1csi20>;
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};
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csi20vin2: endpoint@2 {
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reg = <2>;
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remote-endpoint = <&vin2csi20>;
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};
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csi20vin3: endpoint@3 {
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reg = <3>;
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remote-endpoint = <&vin3csi20>;
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};
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csi20vin4: endpoint@4 {
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reg = <4>;
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remote-endpoint = <&vin4csi20>;
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};
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csi20vin5: endpoint@5 {
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reg = <5>;
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remote-endpoint = <&vin5csi20>;
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};
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csi20vin6: endpoint@6 {
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reg = <6>;
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remote-endpoint = <&vin6csi20>;
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};
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csi20vin7: endpoint@7 {
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reg = <7>;
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remote-endpoint = <&vin7csi20>;
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};
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};
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};
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};
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@ -10315,7 +10315,7 @@ L: linux-media@vger.kernel.org
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L: linux-renesas-soc@vger.kernel.org
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T: git git://linuxtv.org/media_tree.git
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S: Supported
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F: Documentation/devicetree/bindings/media/renesas,csi2.txt
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F: Documentation/devicetree/bindings/media/renesas,csi2.yaml
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F: Documentation/devicetree/bindings/media/renesas,vin.txt
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F: drivers/media/platform/rcar-vin/
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