display/panel/panel-common.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common Properties for Display Panels
10   - Thierry Reding <thierry.reding@gmail.com>
11   - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
15   display panels. It doesn't constitute a device tree binding specification by
24   width-mm:
29   height-mm:
43       non-descriptive information. For instance an LCD panel in a system that
50       Display rotation in degrees counter clockwise (0,90,180,270)
54   # Display Timings
55   panel-timing:
57       Most display panels are restricted to a single resolution and
58       require specific display timings. The panel-timing subnode expresses those
59       timings.
60     $ref: panel-timing.yaml#
62   display-timings:
64       Some display panels support several resolutions with different timings.
65       The display-timings bindings supports specifying several timings and
67     $ref: display-timings.yaml#
73   ddc-i2c-bus:
76       Some panels expose EDID information through an I2C-compatible
77       bus such as DDC2 or E-DDC. For such panels the ddc-i2c-bus contains a
80   no-hpd:
87   hpd-gpios:
95   # Many display panels can be controlled through pins driven by GPIOs. The nature
96   # and timing of those control signals are device-specific and left for panel
100   enable-gpios:
113   reset-gpios:
121   te-gpios:
129   power-supply:
131       Display panels require power to be supplied. While several panels need
132       more than one power supply with panel-specific constraints governing the
133       order and timings of the power supplies, in many cases a single power
136       the power-supply property specifies the supply powering the panel as a
141   # Most display panels include a backlight. Some of them also include a backlight
154   width-mm: [ height-mm ]
155   height-mm: [ width-mm ]