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# SPDX-License-Identifier: (GPL-
2.
0-only OR BSD-
2-Clause)
%YAML
1.
2
---
$id:
http://devicetree.org/schemas/display/renesas,du.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car Display Unit (DU)
maintainers:
- Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
description: |
These DT bindings describe the Display Unit embedded in the Renesas R-Car
Gen1, R-Car Gen2, R-Car Gen3, RZ/G1 and RZ/G2 SoCs.
properties:
compatible:
enum:
- renesas,du-r8a7742 # for RZ/G1H compatible DU
- renesas,du-r8a7743 # for RZ/G1M compatible DU
- renesas,du-r8a7744 # for RZ/G1N compatible DU
- renesas,du-r8a7745 # for RZ/G1E compatible DU
- renesas,du-r8a77470 # for RZ/G1C compatible DU
- renesas,du-r8a774a1 # for RZ/G2M compatible DU
- renesas,du-r8a774b1 # for RZ/G2N compatible DU
- renesas,du-r8a774c0 # for RZ/G2E compatible DU
- renesas,du-r8a774e1 # for RZ/G2H compatible DU
- renesas,du-r8a7779 # for R-Car H1 compatible DU
- renesas,du-r8a7790 # for R-Car H2 compatible DU
- renesas,du-r8a7791 # for R-Car M2-W compatible DU
- renesas,du-r8a7792 # for R-Car V2H compatible DU
- renesas,du-r8a7793 # for R-Car M2-N compatible DU
- renesas,du-r8a7794 # for R-Car E2 compatible DU
- renesas,du-r8a7795 # for R-Car H3 compatible DU
- renesas,du-r8a7796 # for R-Car M3-W compatible DU
- renesas,du-r8a77961 # for R-Car M3-W+ compatible DU
- renesas,du-r8a77965 # for R-Car M3-N compatible DU
- renesas,du-r8a77970 # for R-Car V3M compatible DU
- renesas,du-r8a77980 # for R-Car V3H compatible DU
- renesas,du-r8a77990 # for R-Car E3 compatible DU
- renesas,du-r8a77995 # for R-Car D3 compatible DU
- renesas,du-r8a779a0 # for R-Car V3U compatible DU
- renesas,du-r8a779g0 # for R-Car V4H compatible DU
- renesas,du-r8a779h0 # for R-Car V4M compatible DU
reg:
maxItems:
1
# See compatible-specific constraints below.
clocks:
minItems:
1
maxItems:
8
clock-names:
minItems:
1
maxItems:
8
interrupts:
minItems:
1
maxItems:
4
description: Interrupt specifiers, one per DU channel
resets:
minItems:
1
maxItems:
2
reset-names:
minItems:
1
maxItems:
2
power-domains:
maxItems:
1
ports:
$ref: /schemas/graph.yaml#/properties/ports
description: |
The connections to the DU output video ports are modeled using the OF
graph bindings specified in Documentation/devicetree/bindings/graph.txt.
The number of ports and their assignment are model-dependent. Each port
shall have a single endpoint.
patternProperties:
"^port@[
0-
3]$":
$ref: /schemas/graph.yaml#/properties/port
unevaluatedProperties: false
unevaluatedProperties: false
renesas,cmms:
$ref: /schemas/types.yaml#/definitions/phandle-array
minItems:
2
maxItems:
4
items:
maxItems:
1
description:
A list of phandles to the CMM instances present in the SoC, one for each
available DU channel.
renesas,vsps:
$ref: /schemas/types.yaml#/definitions/phandle-array
minItems:
1
maxItems:
4
items:
items:
- description: phandle to VSP instance that serves the DU channel
- description: Channel index identifying the LIF instance in that VSP
description:
A list of phandle and channel index tuples to the VSPs that handle the
memory interfaces for the DU channels.
required:
- compatible
- reg
- clocks
- interrupts
- ports
allOf:
- if:
properties:
compatible:
contains:
const: renesas,du-r8a7779
then:
properties:
clocks:
minItems:
1
items:
- description: Functional clock
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
1
items:
- const: du.
0
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
maxItems:
1
resets:
maxItems:
1
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: DPAD
1
# port@
2 is TCON, not supported yet
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
required:
- interrupts
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7743
- renesas,du-r8a7744
- renesas,du-r8a7791
- renesas,du-r8a7793
then:
properties:
clocks:
minItems:
2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
2
items:
- const: du.
0
- const: du.
1
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
minItems:
2
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: LVDS
0
# port@
2 is TCON, not supported yet
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7745
- renesas,du-r8a7792
then:
properties:
clocks:
minItems:
2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
2
items:
- const: du.
0
- const: du.
1
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
minItems:
2
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: DPAD
1
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7794
then:
properties:
clocks:
minItems:
2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
2
items:
- const: du.
0
- const: du.
1
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
minItems:
2
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: DPAD
1
# port@
2 is TCON, not supported yet
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a77470
then:
properties:
clocks:
minItems:
2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
2
items:
- const: du.
0
- const: du.
1
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
minItems:
2
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: DPAD
1
port@
2:
description: LVDS
0
# port@
3 is DVENC, not supported yet
port@
3: false
required:
- port@
0
- port@
1
- port@
2
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7742
- renesas,du-r8a7790
then:
properties:
clocks:
minItems:
3
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU2
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN2 input clock
clock-names:
minItems:
3
items:
- const: du.
0
- const: du.
1
- const: du.
2
- pattern: '^dclkin\.[
012]$'
- pattern: '^dclkin\.[
012]$'
- pattern: '^dclkin\.[
012]$'
interrupts:
minItems:
3
maxItems:
3
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: LVDS
0
port@
2:
description: LVDS
1
# port@
3 is TCON, not supported yet
port@
3: false
required:
- port@
0
- port@
1
- port@
2
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7795
then:
properties:
clocks:
minItems:
4
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU2
- description: Functional clock for DU4
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN2 input clock
- description: DU_DOTCLKIN3 input clock
clock-names:
minItems:
4
items:
- const: du.
0
- const: du.
1
- const: du.
2
- const: du.
3
- pattern: '^dclkin\.[
0123]$'
- pattern: '^dclkin\.[
0123]$'
- pattern: '^dclkin\.[
0123]$'
- pattern: '^dclkin\.[
0123]$'
interrupts:
minItems:
4
maxItems:
4
resets:
minItems:
2
maxItems:
2
reset-names:
items:
- const: du.
0
- const: du.
2
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: HDMI
0
port@
2:
description: HDMI
1
port@
3:
description: LVDS
0
required:
- port@
0
- port@
1
- port@
2
- port@
3
renesas,cmms:
minItems:
4
maxItems:
4
renesas,vsps:
minItems:
4
maxItems:
4
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a774a1
- renesas,du-r8a7796
- renesas,du-r8a77961
then:
properties:
clocks:
minItems:
3
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU2
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN2 input clock
clock-names:
minItems:
3
items:
- const: du.
0
- const: du.
1
- const: du.
2
- pattern: '^dclkin\.[
012]$'
- pattern: '^dclkin\.[
012]$'
- pattern: '^dclkin\.[
012]$'
interrupts:
minItems:
3
maxItems:
3
resets:
minItems:
2
maxItems:
2
reset-names:
items:
- const: du.
0
- const: du.
2
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: HDMI
0
port@
2:
description: LVDS
0
port@
3: false
required:
- port@
0
- port@
1
- port@
2
renesas,cmms:
minItems:
3
maxItems:
3
renesas,vsps:
minItems:
3
maxItems:
3
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a774b1
- renesas,du-r8a774e1
- renesas,du-r8a77965
then:
properties:
clocks:
minItems:
3
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU3
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN3 input clock
clock-names:
minItems:
3
items:
- const: du.
0
- const: du.
1
- const: du.
3
- pattern: '^dclkin\.[
013]$'
- pattern: '^dclkin\.[
013]$'
- pattern: '^dclkin\.[
013]$'
interrupts:
minItems:
3
maxItems:
3
resets:
minItems:
2
maxItems:
2
reset-names:
items:
- const: du.
0
- const: du.
3
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: HDMI
0
port@
2:
description: LVDS
0
port@
3: false
required:
- port@
0
- port@
1
- port@
2
renesas,cmms:
minItems:
3
maxItems:
3
renesas,vsps:
minItems:
3
maxItems:
3
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a77970
- renesas,du-r8a77980
then:
properties:
clocks:
minItems:
1
items:
- description: Functional clock for DU0
- description: DU_DOTCLKIN0 input clock
clock-names:
minItems:
1
items:
- const: du.
0
- const: dclkin.
0
interrupts:
maxItems:
1
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: LVDS
0
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
renesas,vsps:
maxItems:
1
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a774c0
- renesas,du-r8a77990
- renesas,du-r8a77995
then:
properties:
clocks:
minItems:
2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems:
2
items:
- const: du.
0
- const: du.
1
- pattern: '^dclkin\.[
01]$'
- pattern: '^dclkin\.[
01]$'
interrupts:
minItems:
2
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DPAD
0
port@
1:
description: LVDS
0
port@
2:
description: LVDS
1
# port@
3 is TCON, not supported yet
port@
3: false
required:
- port@
0
- port@
1
- port@
2
renesas,cmms:
minItems:
2
maxItems:
2
renesas,vsps:
minItems:
2
maxItems:
2
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a779a0
- renesas,du-r8a779g0
then:
properties:
clocks:
items:
- description: Functional clock
clock-names:
items:
- const: du.
0
interrupts:
maxItems:
2
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DSI
0
port@
1:
description: DSI
1
port@
2: false
port@
3: false
required:
- port@
0
- port@
1
renesas,vsps:
minItems:
2
maxItems:
2
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a779h0
then:
properties:
clocks:
items:
- description: Functional clock
clock-names:
items:
- const: du.
0
interrupts:
maxItems:
1
resets:
maxItems:
1
reset-names:
items:
- const: du.
0
ports:
properties:
port@
0:
description: DSI
0
port@
1: false
port@
2: false
port@
3: false
required:
- port@
0
renesas,vsps:
maxItems:
1
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
additionalProperties: false
examples:
# R-Car H3 ES2.
0 DU
- |
#include <dt-bindings/clock/renesas-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
display@feb00000 {
compatible = "renesas,du-r8a7795";
reg = <
0xfeb00000
0x80000>;
interrupts = <GIC_SPI
256 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI
268 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI
269 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI
270 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD
724>,
<&cpg CPG_MOD
723>,
<&cpg CPG_MOD
722>,
<&cpg CPG_MOD
721>;
clock-names = "du.
0", "du.
1", "du.
2", "du.
3";
resets = <&cpg
724>, <&cpg
722>;
reset-names = "du.
0", "du.
2";
renesas,cmms = <&cmm0>, <&cmm1>, <&cmm2>, <&cmm3>;
renesas,vsps = <&vspd0
0>, <&vspd1
0>, <&vspd2
0>, <&vspd0
1>;
ports {
#address-cells = <
1>;
#size-cells = <
0>;
port@
0 {
reg = <
0>;
endpoint {
remote-endpoint = <&adv7123_in>;
};
};
port@
1 {
reg = <
1>;
endpoint {
remote-endpoint = <&dw_hdmi0_in>;
};
};
port@
2 {
reg = <
2>;
endpoint {
remote-endpoint = <&dw_hdmi1_in>;
};
};
port@
3 {
reg = <
3>;
endpoint {
remote-endpoint = <&lvds0_in>;
};
};
};
};
...
