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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/bridge/renesas,lvds.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car LVDS Encoder
maintainers:
- Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
description: |
These DT bindings describe the LVDS encoder embedded in the Renesas R-Car
Gen2, R-Car Gen3, RZ/G1 and RZ/G2 SoCs.
properties:
compatible:
enum:
- renesas,r8a7742-lvds # for RZ/G1H compatible LVDS encoders
- renesas,r8a7743-lvds # for RZ/G1M compatible LVDS encoders
- renesas,r8a7744-lvds # for RZ/G1N compatible LVDS encoders
- renesas,r8a774a1-lvds # for RZ/G2M compatible LVDS encoders
- renesas,r8a774b1-lvds # for RZ/G2N compatible LVDS encoders
- renesas,r8a774c0-lvds # for RZ/G2E compatible LVDS encoders
- renesas,r8a774e1-lvds # for RZ/G2H compatible LVDS encoders
- renesas,r8a7790-lvds # for R-Car H2 compatible LVDS encoders
- renesas,r8a7791-lvds # for R-Car M2-W compatible LVDS encoders
- renesas,r8a7793-lvds # for R-Car M2-N compatible LVDS encoders
- renesas,r8a7795-lvds # for R-Car H3 compatible LVDS encoders
- renesas,r8a7796-lvds # for R-Car M3-W compatible LVDS encoders
- renesas,r8a77961-lvds # for R-Car M3-W+ compatible LVDS encoders
- renesas,r8a77965-lvds # for R-Car M3-N compatible LVDS encoders
- renesas,r8a77970-lvds # for R-Car V3M compatible LVDS encoders
- renesas,r8a77980-lvds # for R-Car V3H compatible LVDS encoders
- renesas,r8a77990-lvds # for R-Car E3 compatible LVDS encoders
- renesas,r8a77995-lvds # for R-Car D3 compatible LVDS encoders
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 4
clock-names:
minItems: 1
maxItems: 4
resets:
maxItems: 1
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description: Parallel RGB input port
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: LVDS output port
required:
- port@0
- port@1
power-domains:
maxItems: 1
renesas,companion:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to the companion LVDS encoder. This property is mandatory
for the first LVDS encoder on R-Car D3 and E3, and RZ/G2E SoCs, and shall
point to the second encoder to be used as a companion in dual-link mode.
It shall not be set for any other LVDS encoder.
required:
- compatible
- reg
- clocks
- power-domains
- resets
- ports
if:
properties:
compatible:
enum:
- renesas,r8a774c0-lvds
- renesas,r8a77990-lvds
- renesas,r8a77995-lvds
then:
properties:
clocks:
minItems: 1
items:
- description: Functional clock
- description: EXTAL input clock
- description: DU_DOTCLKIN0 input clock
- description: DU_DOTCLKIN1 input clock
clock-names:
minItems: 1
items:
- const: fck
# The LVDS encoder can use the EXTAL or DU_DOTCLKINx clocks.
# These clocks are optional.
- enum:
- extal
- dclkin.0
- dclkin.1
- enum:
- extal
- dclkin.0
- dclkin.1
- enum:
- extal
- dclkin.0
- dclkin.1
required:
- clock-names
else:
properties:
clocks:
items:
- description: Functional clock
clock-names:
items:
- const: fck
renesas,companion: false
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/renesas-cpg-mssr.h>
#include <dt-bindings/power/r8a7795-sysc.h>
lvds@feb90000 {
compatible = "renesas,r8a7795-lvds";
reg = <0xfeb90000 0x14>;
clocks = <&cpg CPG_MOD 727>;
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 727>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
lvds_in: endpoint {
remote-endpoint = <&du_out_lvds0>;
};
};
port@1 {
reg = <1>;
lvds_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
};
};
- |
#include <dt-bindings/clock/renesas-cpg-mssr.h>
#include <dt-bindings/power/r8a77990-sysc.h>
lvds0: lvds@feb90000 {
compatible = "renesas,r8a77990-lvds";
reg = <0xfeb90000 0x20>;
clocks = <&cpg CPG_MOD 727>,
<&x13_clk>,
<&extal_clk>;
clock-names = "fck", "dclkin.0", "extal";
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 727>;
renesas,companion = <&lvds1>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
lvds0_in: endpoint {
remote-endpoint = <&du_out_lvds0>;
};
};
port@1 {
reg = <1>;
lvds0_out: endpoint {
remote-endpoint = <&panel_in1>;
};
};
};
};
lvds1: lvds@feb90100 {
compatible = "renesas,r8a77990-lvds";
reg = <0xfeb90100 0x20>;
clocks = <&cpg CPG_MOD 727>,
<&x13_clk>,
<&extal_clk>;
clock-names = "fck", "dclkin.0", "extal";
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 726>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
lvds1_in: endpoint {
remote-endpoint = <&du_out_lvds1>;
};
};
port@1 {
reg = <1>;
lvds1_out: endpoint {
remote-endpoint = <&panel_in2>;
};
};
};
};
...
|
