mirror of https://gitee.com/openkylin/linux.git
dt-bindings: display: Convert connectors to DT schema
Convert the analog TV, DVI, HDMI, and VGA connector bindings to DT schema format. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Maxime Ripard <mripard@kernel.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200630200216.1172566-1-robh@kernel.org
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Rob Herring
parent
a164347333
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Analog TV Connector
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===================
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Required properties:
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- compatible: "composite-video-connector" or "svideo-connector"
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Optional properties:
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- label: a symbolic name for the connector
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- sdtv-standards: limit the supported TV standards on a connector to the given
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ones. If not specified all TV standards are allowed.
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Possible TV standards are defined in
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include/dt-bindings/display/sdtv-standards.h.
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Required nodes:
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- Video port for TV input
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Example
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-------
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#include <dt-bindings/display/sdtv-standards.h>
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tv: connector {
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compatible = "composite-video-connector";
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label = "tv";
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sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
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port {
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tv_connector_in: endpoint {
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remote-endpoint = <&venc_out>;
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};
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};
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};
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/connector/analog-tv-connector.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog TV Connector
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maintainers:
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- Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
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properties:
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compatible:
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enum:
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- composite-video-connector
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- svideo-connector
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label: true
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sdtv-standards:
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description:
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Limit the supported TV standards on a connector to the given ones. If
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not specified all TV standards are allowed. Possible TV standards are
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defined in include/dt-bindings/display/sdtv-standards.h.
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$ref: /schemas/types.yaml#/definitions/uint32
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port:
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description: Connection to controller providing analog TV signals
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required:
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- compatible
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- port
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/display/sdtv-standards.h>
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connector {
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compatible = "composite-video-connector";
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label = "tv";
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sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
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port {
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tv_connector_in: endpoint {
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remote-endpoint = <&venc_out>;
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};
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};
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};
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...
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DVI Connector
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==============
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Required properties:
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- compatible: "dvi-connector"
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Optional properties:
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- label: a symbolic name for the connector
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- ddc-i2c-bus: phandle to the i2c bus that is connected to DVI DDC
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- analog: the connector has DVI analog pins
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- digital: the connector has DVI digital pins
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- dual-link: the connector has pins for DVI dual-link
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- hpd-gpios: HPD GPIO number
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Required nodes:
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- Video port for DVI input
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Note: One (or both) of 'analog' or 'digital' must be set.
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Example
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-------
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dvi0: connector@0 {
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compatible = "dvi-connector";
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label = "dvi";
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digital;
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ddc-i2c-bus = <&i2c3>;
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port {
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dvi_connector_in: endpoint {
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remote-endpoint = <&tfp410_out>;
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};
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};
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};
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/connector/dvi-connector.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: DVI Connector
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maintainers:
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- Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
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properties:
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compatible:
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const: dvi-connector
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label: true
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hpd-gpios:
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description: A GPIO line connected to HPD
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maxItems: 1
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ddc-i2c-bus:
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description: phandle link to the I2C controller used for DDC EDID probing
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$ref: /schemas/types.yaml#/definitions/phandle
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analog:
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type: boolean
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description: the connector has DVI analog pins
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digital:
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type: boolean
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description: the connector has DVI digital pins
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dual-link:
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type: boolean
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description: the connector has pins for DVI dual-link
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port:
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description: Connection to controller providing DVI signals
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required:
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- compatible
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- port
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anyOf:
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- required:
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- analog
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- required:
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- digital
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additionalProperties: false
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examples:
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- |
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connector {
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compatible = "dvi-connector";
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label = "dvi";
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digital;
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ddc-i2c-bus = <&i2c3>;
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port {
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dvi_connector_in: endpoint {
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remote-endpoint = <&tfp410_out>;
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};
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};
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};
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...
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HDMI Connector
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==============
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Required properties:
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- compatible: "hdmi-connector"
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- type: the HDMI connector type: "a", "b", "c", "d" or "e"
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Optional properties:
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- label: a symbolic name for the connector
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- hpd-gpios: HPD GPIO number
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- ddc-i2c-bus: phandle link to the I2C controller used for DDC EDID probing
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- ddc-en-gpios: signal to enable DDC bus
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Required nodes:
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- Video port for HDMI input
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Example
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-------
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hdmi0: connector@1 {
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compatible = "hdmi-connector";
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label = "hdmi";
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type = "a";
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port {
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hdmi_connector_in: endpoint {
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remote-endpoint = <&tpd12s015_out>;
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};
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};
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};
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@ -0,0 +1,64 @@
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/connector/hdmi-connector.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: HDMI Connector
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maintainers:
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- Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
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properties:
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compatible:
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const: hdmi-connector
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type:
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description: The HDMI connector type
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enum:
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- a # Standard full size
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- b # Never deployed?
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- c # Mini
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- d # Micro
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- e # automotive
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label: true
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hpd-gpios:
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description: A GPIO line connected to HPD
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maxItems: 1
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ddc-i2c-bus:
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description: phandle link to the I2C controller used for DDC EDID probing
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$ref: /schemas/types.yaml#/definitions/phandle
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ddc-en-gpios:
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description: GPIO signal to enable DDC bus
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maxItems: 1
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port:
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description: Connection to controller providing HDMI signals
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required:
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- compatible
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- port
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- type
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additionalProperties: false
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examples:
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- |
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connector {
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compatible = "hdmi-connector";
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label = "hdmi";
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type = "a";
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port {
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hdmi_connector_in: endpoint {
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remote-endpoint = <&tpd12s015_out>;
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};
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};
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};
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...
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@ -1,36 +0,0 @@
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VGA Connector
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=============
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Required properties:
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- compatible: "vga-connector"
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Optional properties:
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- label: a symbolic name for the connector corresponding to a hardware label
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- ddc-i2c-bus: phandle to the I2C bus that is connected to VGA DDC
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Required nodes:
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The VGA connector internal connections are modeled using the OF graph bindings
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specified in Documentation/devicetree/bindings/graph.txt.
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The VGA connector has a single port that must be connected to a video source
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port.
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Example
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-------
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vga0: connector@0 {
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compatible = "vga-connector";
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label = "vga";
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ddc-i2c-bus = <&i2c3>;
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port {
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vga_connector_in: endpoint {
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remote-endpoint = <&adv7123_out>;
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};
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};
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};
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/connector/vga-connector.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: VGA Connector
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maintainers:
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- Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
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properties:
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compatible:
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const: vga-connector
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label: true
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ddc-i2c-bus:
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description: phandle link to the I2C controller used for DDC EDID probing
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$ref: /schemas/types.yaml#/definitions/phandle
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port:
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description: Connection to controller providing VGA signals
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required:
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- compatible
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- port
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additionalProperties: false
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examples:
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- |
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connector {
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compatible = "vga-connector";
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label = "vga";
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ddc-i2c-bus = <&i2c3>;
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port {
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vga_connector_in: endpoint {
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remote-endpoint = <&adv7123_out>;
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};
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};
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};
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...
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