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Depending on which display that is connected to the controller, an "1"
means either a black or a white pixel.
The supported format (R1) expects the pixels to map against:
0 => Black
1 => White
If this is not what the display map against, the controller has support
to invert these values.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20250721-st7571-format-v2-3-159f4134098c@gmail.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
69 lines
1.4 KiB
YAML
69 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/sitronix,st7567.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sitronix ST7567 Display Controller
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maintainers:
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- Javier Martinez Canillas <javierm@redhat.com>
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description:
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Sitronix ST7567 is a driver and controller for monochrome
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dot matrix LCD panels.
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allOf:
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- $ref: panel/panel-common.yaml#
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properties:
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compatible:
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const: sitronix,st7567
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reg:
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maxItems: 1
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sitronix,inverted:
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type: boolean
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description:
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Display pixels are inverted, i.e. 0 is white and 1 is black.
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width-mm: true
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height-mm: true
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panel-timing: true
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required:
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- compatible
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- reg
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- width-mm
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- height-mm
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- panel-timing
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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display@3f {
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compatible = "sitronix,st7567";
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reg = <0x3f>;
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width-mm = <37>;
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height-mm = <27>;
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panel-timing {
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hactive = <128>;
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vactive = <64>;
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hback-porch = <0>;
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vback-porch = <0>;
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clock-frequency = <0>;
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hfront-porch = <0>;
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hsync-len = <0>;
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vfront-porch = <0>;
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vsync-len = <0>;
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};
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};
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};
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