90 lines
2.0 KiB
YAML
90 lines
2.0 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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$id: http://devicetree.org/schemas/display/arm,hdlcd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Arm HDLCD display controller
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maintainers:
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- Liviu Dudau <Liviu.Dudau@arm.com>
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- Andre Przywara <andre.przywara@arm.com>
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description:
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The Arm HDLCD is a display controller found on several development platforms
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produced by ARM Ltd and in more modern of its Fast Models. The HDLCD is an
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RGB streamer that reads the data from a framebuffer and sends it to a single
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digital encoder (DVI or HDMI).
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properties:
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compatible:
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const: arm,hdlcd
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clock-names:
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const: pxlclk
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clocks:
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maxItems: 1
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description: The input reference for the pixel clock.
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memory-region:
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maxItems: 1
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description:
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Phandle to a node describing memory to be used for the framebuffer.
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If not present, the framebuffer may be located anywhere in memory.
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iommus:
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maxItems: 1
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port:
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$ref: /schemas/graph.yaml#/properties/port
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unevaluatedProperties: false
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description:
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Output endpoint of the controller, connecting the LCD panel signals.
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additionalProperties: false
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- port
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examples:
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- |
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hdlcd@2b000000 {
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compatible = "arm,hdlcd";
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reg = <0x2b000000 0x1000>;
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interrupts = <0 85 4>;
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clocks = <&oscclk5>;
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clock-names = "pxlclk";
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port {
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hdlcd_output: endpoint {
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remote-endpoint = <&hdmi_enc_input>;
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};
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};
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};
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/* HDMI encoder on I2C bus */
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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hdmi-transmitter@70 {
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compatible = "nxp,tda998x";
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reg = <0x70>;
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port {
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hdmi_enc_input: endpoint {
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remote-endpoint = <&hdlcd_output>;
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};
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};
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};
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};
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...
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