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Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/display/lvds.yaml | 77 |
1 files changed, 9 insertions, 68 deletions
diff --git a/Documentation/devicetree/bindings/display/lvds.yaml b/Documentation/devicetree/bindings/display/lvds.yaml index 7cd2ce7e9c..224db49320 100644 --- a/Documentation/devicetree/bindings/display/lvds.yaml +++ b/Documentation/devicetree/bindings/display/lvds.yaml @@ -6,83 +6,24 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: LVDS Display Common Properties +allOf: + - $ref: lvds-data-mapping.yaml# + maintainers: - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> - Thierry Reding <thierry.reding@gmail.com> -description: |+ - 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 devices. This bindings supports devices compatible with the following - specifications. - - [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) - - Device compatible with those specifications have been marketed under the - FPD-Link and FlatLink brands. +description: + This binding extends the data mapping defined in lvds-data-mapping.yaml. + It supports reversing the bit order on the formats defined there in order + to accomodate for even more specialized data formats, since a variety of + data formats and layouts is used to drive LVDS displays. properties: - data-mapping: - enum: - - jeida-18 - - jeida-24 - - vesa-24 - description: | - The color signals mapping order. - - LVDS data mappings are defined as follows. - - - "jeida-18" - 18-bit data mapping compatible with the [JEIDA], [LDI] and - [VESA] specifications. Data are transferred as follows on 3 LVDS lanes. - - Slot 0 1 2 3 4 5 6 - ________________ _________________ - Clock \_______________________/ - ______ ______ ______ ______ ______ ______ ______ - DATA0 ><__G0__><__R5__><__R4__><__R3__><__R2__><__R1__><__R0__>< - DATA1 ><__B1__><__B0__><__G5__><__G4__><__G3__><__G2__><__G1__>< - DATA2 ><_CTL2_><_CTL1_><_CTL0_><__B5__><__B4__><__B3__><__B2__>< - - - "jeida-24" - 24-bit data mapping compatible with the [DSIM] and [LDI] - specifications. Data are transferred as follows on 4 LVDS lanes. - - Slot 0 1 2 3 4 5 6 - ________________ _________________ - Clock \_______________________/ - ______ ______ ______ ______ ______ ______ ______ - DATA0 ><__G2__><__R7__><__R6__><__R5__><__R4__><__R3__><__R2__>< - DATA1 ><__B3__><__B2__><__G7__><__G6__><__G5__><__G4__><__G3__>< - DATA2 ><_CTL2_><_CTL1_><_CTL0_><__B7__><__B6__><__B5__><__B4__>< - DATA3 ><_CTL3_><__B1__><__B0__><__G1__><__G0__><__R1__><__R0__>< - - - "vesa-24" - 24-bit data mapping compatible with the [VESA] specification. - Data are transferred as follows on 4 LVDS lanes. - - Slot 0 1 2 3 4 5 6 - ________________ _________________ - Clock \_______________________/ - ______ ______ ______ ______ ______ ______ ______ - DATA0 ><__G0__><__R5__><__R4__><__R3__><__R2__><__R1__><__R0__>< - DATA1 ><__B1__><__B0__><__G5__><__G4__><__G3__><__G2__><__G1__>< - DATA2 ><_CTL2_><_CTL1_><_CTL0_><__B5__><__B4__><__B3__><__B2__>< - DATA3 ><_CTL3_><__B7__><__B6__><__G7__><__G6__><__R7__><__R6__>< - - Control signals are mapped as follows. - - CTL0: HSync - CTL1: VSync - CTL2: Data Enable - CTL3: 0 - data-mirror: type: boolean description: - If set, reverse the bit order described in the data mappings below on all + If set, reverse the bit order described in the data mappings on all data lanes, transmitting bits for slots 6 to 0 instead of 0 to 6. additionalProperties: true |