Lines Matching +full:hpd +full:- +full:gpio
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 <[email protected]>
11 - Laurent Pinchart <[email protected]>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
54 flip-horizontal:
58 flip-vertical:
63 panel-timing:
66 require specific display timings. The panel-timing subnode expresses those
68 $ref: panel-timing.yaml#
70 display-timings:
73 The display-timings bindings supports specifying several timings and
75 $ref: display-timings.yaml#
81 ddc-i2c-bus:
84 Some panels expose EDID information through an I2C-compatible
85 bus such as DDC2 or E-DDC. For such panels the ddc-i2c-bus contains a
88 no-hpd:
91 This panel is supposed to communicate that it's ready via HPD
95 hpd-gpios:
98 If Hot Plug Detect (HPD) is connected to a GPIO in the system rather
99 than a dedicated HPD pin the pin can be specified here.
104 # and timing of those control signals are device-specific and left for panel
105 # device tree bindings to specify. The following GPIO specifiers can however be
108 enable-gpios:
111 Specifier for a GPIO connected to the panel enable control signal. The
116 the GPIO specifier polarity flag.
121 reset-gpios:
124 Specifier for a GPIO connected to the panel reset control signal.
127 GPIO specifier polarity flag.
129 te-gpios:
132 GPIO spec for the tearing effect synchronization signal.
134 supported by inverting the GPIO specifier polarity flag.
137 power-supply:
140 more than one power supply with panel-specific constraints governing the
144 the power-supply property specifies the supply powering the panel as a
151 # backlight control through GPIO, PWM or other signals connected to an external
162 width-mm: [ height-mm ]
163 height-mm: [ width-mm ]