# 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
reg:
maxItems: 1
# See compatible-specific constraints below.
clocks: true
clock-names: true
interrupts:
description: Interrupt specifiers, one per DU channel
resets: true
reset-names: true
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
required:
- port@0
- port@1
unevaluatedProperties: false
renesas,cmms:
$ref: "/schemas/types.yaml#/definitions/phandle-array"
description:
A list of phandles to the CMM instances present in the SoC, one for each
available DU channel.
renesas,vsps:
$ref: "/schemas/types.yaml#/definitions/phandle-array"
description:
A list of phandle and channel index tuples to the VSPs that handle the
memory interfaces for the DU channels. The phandle identifies the VSP
instance that serves the DU channel, and the channel index identifies
the LIF instance in that VSP.
required:
- compatible
- reg
- clocks
- interrupts
- resets
- ports
allOf:
- if:
properties:
compatible:
contains:
const: renesas,du-r8a7779
then:
properties:
clocks:
minItems: 1
maxItems: 3
items:
- description: Functional clock
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 1
maxItems: 3
items:
- const: du.0
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 1
resets:
maxItems: 1
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
# port@2 is TCON, not supported yet
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- interrupts
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7743
- renesas,du-r8a7744
- renesas,du-r8a7791
- renesas,du-r8a7793
then:
properties:
clocks:
minItems: 2
maxItems: 4
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
maxItems: 4
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: LVDS 0
# port@2 is TCON, not supported yet
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7745
- renesas,du-r8a7792
then:
properties:
clocks:
minItems: 2
maxItems: 4
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
maxItems: 4
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7794
then:
properties:
clocks:
minItems: 2
maxItems: 4
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
maxItems: 4
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
# port@2 is TCON, not supported yet
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a77470
then:
properties:
clocks:
minItems: 2
maxItems: 4
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
maxItems: 4
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
port@2:
description: LVDS 0
# port@3 is DVENC, not supported yet
port@3: false
required:
- port@0
- port@1
- port@2
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7742
- renesas,du-r8a7790
then:
properties:
clocks:
minItems: 3
maxItems: 6
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU2
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN2 input clock
clock-names:
minItems: 3
maxItems: 6
items:
- const: du.0
- const: du.1
- const: du.2
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
interrupts:
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
maxItems: 8
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
maxItems: 8
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:
maxItems: 4
resets:
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
renesas,vsps:
minItems: 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
maxItems: 6
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
maxItems: 6
items:
- const: du.0
- const: du.1
- const: du.2
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
interrupts:
maxItems: 3
resets:
maxItems: 2
reset-names:
items:
- const: du.0
- const: du.2
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: HDMI 0
port@2:
description: LVDS 0
port@3: false
required:
- port@0
- port@1
- port@2
renesas,cmms:
minItems: 3
renesas,vsps:
minItems: 3
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a774b1
- renesas,du-r8a774e1
- renesas,du-r8a77965
then:
properties:
clocks:
minItems: 3
maxItems: 6
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU3
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN3 input clock
clock-names:
minItems: 3
maxItems: 6
items:
- const: du.0
- const: du.1
- const: du.3
- pattern: '^dclkin\.[013]$'
- pattern: '^dclkin\.[013]$'
- pattern: '^dclkin\.[013]$'
interrupts:
maxItems: 3
resets:
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
renesas,vsps:
minItems: 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
maxItems: 2
items:
- description: Functional clock for DU0
- description: DU_DOTCLKIN0 input clock
clock-names:
minItems: 1
maxItems: 2
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:
minItems: 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
maxItems: 4
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
maxItems: 4
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
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
renesas,vsps:
minItems: 2
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>;
};
};
};
};
...