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Message-Id: <20250304101530.969920-2-victor.liu@nxp.com> Date: Tue, 4 Mar 2025 18:15:26 +0800 From: Liu Ying <victor.liu@....com> To: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, andrzej.hajda@...el.com, neil.armstrong@...aro.org, rfoss@...nel.org, Laurent.pinchart@...asonboard.com, jonas@...boo.se, jernej.skrabec@...il.com, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch Subject: [PATCH 1/5] dt-bindings: display: Document DPI color codings Document DPI color codings according to MIPI Alliance Standard for Display Pixel Interface(DPI-2) Version 2.00(15 September 2005). Signed-off-by: Liu Ying <victor.liu@....com> --- .../bindings/display/dpi-color-coding.yaml | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/dpi-color-coding.yaml diff --git a/Documentation/devicetree/bindings/display/dpi-color-coding.yaml b/Documentation/devicetree/bindings/display/dpi-color-coding.yaml new file mode 100644 index 000000000000..6430d6f1ddd1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/dpi-color-coding.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/dpi-color-coding.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MIPI DPI Interface Color Coding + +maintainers: + - Liu Ying <victor.liu@....com> + +description: + MIPI Alliance Standard for Display Pixel Interface(DPI-2) Version 2.00(15 + September 2005) specifies color codings at the DPI interface. + +properties: + dpi-color-coding: + enum: + - 16bit-configuration1 + - 16bit-configuration2 + - 16bit-configuration3 + - 18bit-configuration1 + - 18bit-configuration2 + - 24bit + description: | + This table specifies the mapping of data bits, as components of primary + pixel color values red(R), green(G) and blue(B), to signal lines at the + interface. + + +--------+--------------------------+-----------------+--------+ + | Signal | 16-bit | 18-bit | | + | +--------+--------+--------+--------+--------+ 24-bit | + | Line | cfg1 | cfg2 | cfg3 | cfg1 | cfg2 | | + +========+========+========+========+========+========+========+ + | D23 | unused | unused | unused | unused | unused | R7 | + +--------+--------+--------+--------+--------+--------+--------+ + | D22 | unused | unused | unused | unused | unused | R6 | + +--------+--------+--------+--------+--------+--------+--------+ + | D21 | unused | unused | R4 | unused | R5 | R5 | + +--------+--------+--------+--------+--------+--------+--------+ + | D20 | unused | R4 | R3 | unused | R4 | R4 | + +--------+--------+--------+--------+--------+--------+--------+ + | D19 | unused | R3 | R2 | unused | R3 | R3 | + +--------+--------+--------+--------+--------+--------+--------+ + | D18 | unused | R2 | R1 | unused | R2 | R2 | + +--------+--------+--------+--------+--------+--------+--------+ + | D17 | unused | R1 | R0 | R5 | R1 | R1 | + +--------+--------+--------+--------+--------+--------+--------+ + | D16 | unused | R0 | unused | R4 | R0 | R0 | + +--------+--------+--------+--------+--------+--------+--------+ + | D15 | R4 | unused | unused | R3 | unused | G7 | + +--------+--------+--------+--------+--------+--------+--------+ + | D14 | R3 | unused | unused | R2 | unused | G6 | + +--------+--------+--------+--------+--------+--------+--------+ + | D13 | R2 | G5 | G5 | R1 | G5 | G5 | + +--------+--------+--------+--------+--------+--------+--------+ + | D12 | R1 | G4 | G4 | R0 | G4 | G4 | + +--------+--------+--------+--------+--------+--------+--------+ + | D11 | R0 | G3 | G3 | G5 | G3 | G3 | + +--------+--------+--------+--------+--------+--------+--------+ + | D10 | G5 | G2 | G2 | G4 | G2 | G2 | + +--------+--------+--------+--------+--------+--------+--------+ + | D9 | G4 | G1 | G1 | G3 | G1 | G1 | + +--------+--------+--------+--------+--------+--------+--------+ + | D8 | G3 | G0 | G0 | G2 | G0 | G0 | + +--------+--------+--------+--------+--------+--------+--------+ + | D7 | G2 | unused | unused | G1 | unused | B7 | + +--------+--------+--------+--------+--------+--------+--------+ + | D6 | G1 | unused | unused | G0 | unused | B6 | + +--------+--------+--------+--------+--------+--------+--------+ + | D5 | G0 | unused | B4 | B5 | B5 | B5 | + +--------+--------+--------+--------+--------+--------+--------+ + | D4 | B4 | B4 | B3 | B4 | B4 | B4 | + +--------+--------+--------+--------+--------+--------+--------+ + | D3 | B3 | B3 | B2 | B3 | B3 | B3 | + +--------+--------+--------+--------+--------+--------+--------+ + | D2 | B2 | B2 | B1 | B2 | B2 | B2 | + +--------+--------+--------+--------+--------+--------+--------+ + | D1 | B1 | B1 | B0 | B1 | B1 | B1 | + +--------+--------+--------+--------+--------+--------+--------+ + | D0 | B0 | B0 | unused | B0 | B0 | B0 | + +--------+--------+--------+--------+--------+--------+--------+ + + There are three mappings for 16-bit pixels to data signals, two mappings + for 18-bit pixels to data signals, and one mapping for 24-bit pixels to + data signals. + +additionalProperties: true + +... -- 2.34.1
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