Lines Matching +full:gpio +full:- +full:backlight
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#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
55 panel-timing:
58 require specific display timings. The panel-timing subnode expresses those
60 $ref: panel-timing.yaml#
62 display-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:
90 If Hot Plug Detect (HPD) is connected to a GPIO in the system rather
96 # and timing of those control signals are device-specific and left for panel
97 # device tree bindings to specify. The following GPIO specifiers can however be
100 enable-gpios:
103 Specifier for a GPIO connected to the panel enable control signal. The
108 the GPIO specifier polarity flag.
111 confused with a backlight enable signal.
113 reset-gpios:
116 Specifier for a GPIO connected to the panel reset control signal.
119 GPIO specifier polarity flag.
121 te-gpios:
124 GPIO spec for the tearing effect synchronization signal.
126 supported by inverting the GPIO specifier polarity flag.
129 power-supply:
132 more than one power supply with panel-specific constraints governing the
136 the power-supply property specifies the supply powering the panel as a
139 # Backlight
141 # Most display panels include a backlight. Some of them also include a backlight
143 # backlight control through GPIO, PWM or other signals connected to an external
144 # backlight controller.
146 backlight:
149 For panels whose backlight is controlled by an external backlight
154 width-mm: [ height-mm ]
155 height-mm: [ width-mm ]