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mirror_ubuntu-kernels/Documentation/devicetree/bindings/display/renesas,du.yaml

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lowlatency-hwe-6.8-next
2024-07-02 00:48:40 +03:00
# 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
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
items:
maxItems: 1
description:
A list of phandles to the CMM instances present in the SoC, one for each
available DU channel.
renesas,vsps:
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
items:
- description: phandle to VSP instance that serves the DU channel
- description: Channel index identifying the LIF instance in that VSP
description:
A list of phandle and channel index tuples to the VSPs that handle the
memory interfaces for the DU channels.
required:
- compatible
- reg
- clocks
- interrupts
- ports
allOf:
- if:
properties:
compatible:
contains:
const: renesas,du-r8a7779
then:
properties:
clocks:
minItems: 1
items:
- description: Functional clock
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 1
items:
- const: du.0
- pattern: '^dclkin\.[01]$'
- 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]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: LVDS 0
# port@2 is TCON, not supported yet
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7745
- renesas,du-r8a7792
then:
properties:
clocks:
minItems: 2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7794
then:
properties:
clocks:
minItems: 2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
# port@2 is TCON, not supported yet
port@2: false
port@3: false
required:
- port@0
- port@1
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a77470
then:
properties:
clocks:
minItems: 2
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 2
items:
- const: du.0
- const: du.1
- pattern: '^dclkin\.[01]$'
- pattern: '^dclkin\.[01]$'
interrupts:
maxItems: 2
resets:
maxItems: 1
reset-names:
items:
- const: du.0
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: DPAD 1
port@2:
description: LVDS 0
# port@3 is DVENC, not supported yet
port@3: false
required:
- port@0
- port@1
- port@2
required:
- clock-names
- interrupts
- resets
- reset-names
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a7742
- renesas,du-r8a7790
then:
properties:
clocks:
minItems: 3
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU2
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN2 input clock
clock-names:
minItems: 3
items:
- const: du.0
- const: du.1
- const: du.2
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
- pattern: '^dclkin\.[012]$'
interrupts:
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:
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
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]$'
interrupts:
maxItems: 3
resets:
maxItems: 2
reset-names:
items:
- const: du.0
- const: du.2
ports:
properties:
port@0:
description: DPAD 0
port@1:
description: HDMI 0
port@2:
description: LVDS 0
port@3: false
required:
- port@0
- port@1
- port@2
renesas,cmms:
minItems: 3
renesas,vsps:
minItems: 3
required:
- clock-names
- interrupts
- resets
- reset-names
- renesas,vsps
- if:
properties:
compatible:
contains:
enum:
- renesas,du-r8a774b1
- renesas,du-r8a774e1
- renesas,du-r8a77965
then:
properties:
clocks:
minItems: 3
items:
- description: Functional clock for DU0
- description: Functional clock for DU1
- description: Functional clock for DU3
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
- description: DU_DOTCLKIN3 input clock
clock-names:
minItems: 3
items:
- const: du.0
- const: du.1
- const: du.3
- pattern: '^dclkin\.[013]$'
- pattern: '^dclkin\.[013]$'
- pattern: '^dclkin\.[013]$'
interrupts:
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
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:
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
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:
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
- 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
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>;
};
};
};
};
...
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