display/panel/panel-timing.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-timing.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Thierry Reding <thierry.reding@gmail.com>
11   - Sam Ravnborg <sam@ravnborg.org>
20   +-------+----------+-------------------------------------+----------+
24   +-------+----------+-------------------------------------+----------+
28   +-------+----------#######################################----------+
33   |<----->|<-------->#<-------+--------------------------->#<-------->|
38   +-------+----------#######################################----------+
42   +-------+----------+-------------------------------------+----------+
45   The following is the panel timings shown with time on the x-axis.
50   <-----------------------><----------------><-------------><-------------->
57   of min, typ, max values.
61   clock-frequency:
72   hfront-porch:
74     $ref: /schemas/types.yaml#/definitions/uint32-array
76       - maxItems: 1
79       - minItems: 3
82           description: min, typ, max number of pixels
84   hback-porch:
86     $ref: /schemas/types.yaml#/definitions/uint32-array
88       - maxItems: 1
91       - minItems: 3
94           description: min, typ, max number of pixels
96   hsync-len:
98     $ref: /schemas/types.yaml#/definitions/uint32-array
100       - maxItems: 1
103       - minItems: 3
106           description: min, typ, max number of pixels
108   vfront-porch:
110     $ref: /schemas/types.yaml#/definitions/uint32-array
112       - maxItems: 1
115       - minItems: 3
118           description: min, typ, max number of lines
120   vback-porch:
122     $ref: /schemas/types.yaml#/definitions/uint32-array
124       - maxItems: 1
127       - minItems: 3
130           description: min, typ, max number of lines
132   vsync-len:
134     $ref: /schemas/types.yaml#/definitions/uint32-array
136       - maxItems: 1
139       - minItems: 3
142           description: min, typ, max number of lines
144   hsync-active:
152   vsync-active:
160   de-active:
168   pixelclk-active:
172       sample data on rising edge.
174       sample data on falling edge
178   syncclk-active:
180       Drive sync on rising or sample sync on falling edge.
181       If not specified then the setup is as specified by pixelclk-active.
183       sample sync on rising edge of pixel clock.
185       sample sync on falling edge of pixel clock
202   - clock-frequency
203   - hactive
204   - vactive
205   - hfront-porch
206   - hback-porch
207   - hsync-len
208   - vfront-porch
209   - vback-porch
210   - vsync-len