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linux-zen-desktop/Documentation/devicetree/bindings/media/renesas,vin.yaml

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Initial commit
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# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2020 Renesas Electronics Corp.
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/renesas,vin.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car Video Input (VIN)
maintainers:
- Niklas Söderlund <niklas.soderlund@ragnatech.se>
description:
The R-Car Video Input (VIN) device provides video input capabilities for the
Renesas R-Car family of devices.
Each VIN instance has a single parallel input that supports RGB and YUV video,
with both external synchronization and BT.656 synchronization for the latter.
Depending on the instance the VIN input is connected to external SoC pins, or
on Gen3 and RZ/G2 platforms to a CSI-2 receiver.
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,vin-r8a7742 # RZ/G1H
- renesas,vin-r8a7743 # RZ/G1M
- renesas,vin-r8a7744 # RZ/G1N
- renesas,vin-r8a7745 # RZ/G1E
- renesas,vin-r8a77470 # RZ/G1C
- renesas,vin-r8a7790 # R-Car H2
- renesas,vin-r8a7791 # R-Car M2-W
- renesas,vin-r8a7792 # R-Car V2H
- renesas,vin-r8a7793 # R-Car M2-N
- renesas,vin-r8a7794 # R-Car E2
- const: renesas,rcar-gen2-vin # Generic R-Car Gen2 or RZ/G1
- items:
- enum:
- renesas,vin-r8a774a1 # RZ/G2M
- renesas,vin-r8a774b1 # RZ/G2N
- renesas,vin-r8a774c0 # RZ/G2E
- renesas,vin-r8a774e1 # RZ/G2H
- renesas,vin-r8a7778 # R-Car M1
- renesas,vin-r8a7779 # R-Car H1
- renesas,vin-r8a7795 # R-Car H3
- renesas,vin-r8a7796 # R-Car M3-W
- renesas,vin-r8a77961 # R-Car M3-W+
- renesas,vin-r8a77965 # R-Car M3-N
- renesas,vin-r8a77970 # R-Car V3M
- renesas,vin-r8a77980 # R-Car V3H
- renesas,vin-r8a77990 # R-Car E3
- renesas,vin-r8a77995 # R-Car D3
- renesas,vin-r8a779a0 # R-Car V3U
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- renesas,vin-r8a779g0 # R-Car V4H
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reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
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# The per-board settings for Gen2 and RZ/G1 platforms:
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port:
$ref: /schemas/graph.yaml#/$defs/port-base
unevaluatedProperties: false
description:
A node containing a parallel input
properties:
endpoint:
$ref: video-interfaces.yaml#
unevaluatedProperties: false
properties:
hsync-active:
description:
If both HSYNC and VSYNC polarities are not specified, embedded
synchronization is selected.
default: 1
vsync-active:
description:
If both HSYNC and VSYNC polarities are not specified, embedded
synchronization is selected.
default: 1
field-active-even: true
bus-width: true
data-shift: true
data-enable-active:
description: Polarity of CLKENB signal
default: 1
pclk-sample: true
data-active: true
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# The per-board settings for Gen3 and RZ/G2 platforms:
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renesas,id:
description: VIN channel number
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 31
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 a parallel input source.
properties:
endpoint:
$ref: video-interfaces.yaml#
unevaluatedProperties: false
properties:
hsync-active:
description:
If both HSYNC and VSYNC polarities are not specified, embedded
synchronization is selected.
default: 1
vsync-active:
description:
If both HSYNC and VSYNC polarities are not specified, embedded
synchronization is selected.
default: 1
field-active-even: true
bus-width: true
data-shift: true
data-enable-active:
description: Polarity of CLKENB signal
default: 1
pclk-sample: true
data-active: true
port@1:
$ref: /schemas/graph.yaml#/properties/port
description:
Input port node, multiple endpoints describing all the R-Car CSI-2
modules connected the VIN.
properties:
endpoint@0:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to CSI20.
endpoint@1:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to CSI21.
endpoint@2:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to CSI40.
endpoint@3:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to CSI41.
anyOf:
- required:
- endpoint@0
- required:
- endpoint@1
- required:
- endpoint@2
- required:
- endpoint@3
port@2:
$ref: /schemas/graph.yaml#/properties/port
description:
Input port node, multiple endpoints describing all the R-Car ISP
modules connected the VIN.
properties:
endpoint@0:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to ISP0.
endpoint@1:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to ISP1.
endpoint@2:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to ISP2.
endpoint@3:
$ref: /schemas/graph.yaml#/properties/endpoint
description: Endpoint connected to ISP3.
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
allOf:
- if:
not:
properties:
compatible:
contains:
enum:
- renesas,vin-r8a7778
- renesas,vin-r8a7779
then:
required:
- resets
- if:
properties:
compatible:
contains:
enum:
- renesas,vin-r8a7778
- renesas,vin-r8a7779
- renesas,rcar-gen2-vin
then:
required:
- port
else:
required:
- renesas,id
- ports
additionalProperties: false
examples:
# Device node example for Gen2 platform
- |
#include <dt-bindings/clock/r8a7790-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7790-sysc.h>
vin1: vin@e6ef1000 {
compatible = "renesas,vin-r8a7790",
"renesas,rcar-gen2-vin";
reg = <0xe6ef1000 0x1000>;
interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 810>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 810>;
port {
vin1ep0: endpoint {
remote-endpoint = <&adv7180>;
bus-width = <8>;
};
};
};
# Device node example for Gen3 platform with only CSI-2
- |
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7795-sysc.h>
vin0: video@e6ef0000 {
compatible = "renesas,vin-r8a7795";
reg = <0xe6ef0000 0x1000>;
interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 811>;
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 811>;
renesas,id = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
vin0csi20: endpoint@0 {
reg = <0>;
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remote-endpoint = <&csi20vin0>;
Initial commit
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};
vin0csi40: endpoint@2 {
reg = <2>;
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remote-endpoint = <&csi40vin0>;
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};
};
};
};
# Device node example for Gen3 platform with CSI-2 and parallel
- |
#include <dt-bindings/clock/r8a77970-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a77970-sysc.h>
vin2: video@e6ef2000 {
compatible = "renesas,vin-r8a77970";
reg = <0xe6ef2000 0x1000>;
interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 809>;
power-domains = <&sysc R8A77970_PD_ALWAYS_ON>;
resets = <&cpg 809>;
renesas,id = <2>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
vin2_in: endpoint {
remote-endpoint = <&adv7612_out>;
hsync-active = <0>;
vsync-active = <0>;
};
};
port@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
vin2csi40: endpoint@2 {
reg = <2>;
remote-endpoint = <&csi40vin2>;
};
};
};
};