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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml new file mode 100644 index 000000000..e5e3c7263 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml @@ -0,0 +1,145 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lvds-codec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Transparent LVDS encoders and decoders + +maintainers: + - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> + +description: | + This binding supports transparent LVDS encoders and decoders that don't + require any configuration. + + LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A. Multiple + incompatible data link layers have been used over time to transmit image data + to LVDS panels. This binding targets devices compatible with the following + specifications only. + + [JEIDA] "Digital Interface Standards for Monitor", JEIDA-59-1999, February + 1999 (Version 1.0), Japan Electronic Industry Development Association (JEIDA) + [LDI] "Open LVDS Display Interface", May 1999 (Version 0.95), National + Semiconductor + [VESA] "VESA Notebook Panel Standard", October 2007 (Version 1.0), Video + Electronics Standards Association (VESA) + + Those devices have been marketed under the FPD-Link and FlatLink brand names + among others. + +properties: + compatible: + oneOf: + - items: + - enum: + - ti,ds90c185 # For the TI DS90C185 FPD-Link Serializer + - ti,ds90c187 # For the TI DS90C187 FPD-Link Serializer + - ti,sn75lvds83 # For the TI SN75LVDS83 FlatLink transmitter + - const: lvds-encoder # Generic LVDS encoder compatible fallback + - items: + - enum: + - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver + - const: lvds-decoder # Generic LVDS decoders compatible fallback + - enum: + - thine,thc63lvdm83d # For the THC63LVDM83D LVDS serializer + + ports: + type: object + description: | + This device has two video ports. Their connections are modeled using the + OF graph bindings specified in Documentation/devicetree/bindings/graph.txt + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + port@0: + type: object + description: | + For LVDS encoders, port 0 is the parallel input + For LVDS decoders, port 0 is the LVDS input + + port@1: + type: object + description: | + For LVDS encoders, port 1 is the LVDS output + For LVDS decoders, port 1 is the parallel output + + required: + - port@0 + - port@1 + + additionalProperties: false + + powerdown-gpios: + description: + The GPIO used to control the power down line of this device. + maxItems: 1 + + power-supply: + maxItems: 1 + +required: + - compatible + - ports + +additionalProperties: false + + +examples: + - | + lvds-encoder { + compatible = "ti,ds90c185", "lvds-encoder"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lvds_enc_in: endpoint { + remote-endpoint = <&display_out_rgb>; + }; + }; + + port@1 { + reg = <1>; + + lvds_enc_out: endpoint { + remote-endpoint = <&lvds_panel_in>; + }; + }; + }; + }; + + - | + lvds-decoder { + compatible = "ti,ds90cf384a", "lvds-decoder"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lvds_dec_in: endpoint { + remote-endpoint = <&display_out_lvds>; + }; + }; + + port@1 { + reg = <1>; + + lvds_dec_out: endpoint { + remote-endpoint = <&rgb_panel_in>; + }; + }; + }; + }; + +... |