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Date: Tue, 30 Jun 2020 22:15:43 +0200
From: Sam Ravnborg <sam@...nborg.org>
To: Rob Herring <robh@...nel.org>
Cc: devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH v2] dt-bindings: display: Convert connectors to DT schema
On Tue, Jun 30, 2020 at 02:02:16PM -0600, Rob Herring wrote:
> Convert the analog TV, DVI, HDMI, and VGA connector bindings to DT schema
> format.
>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> Cc: Maxime Ripard <mripard@...nel.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
Acked-by: Sam Ravnborg <sam@...nborg.org>
> ---
> v2:
> - Make Laurent maintainer
> - Add missing port and compatible required
> - Drop copy-n-paste 'type' from dvi-connector
> - Use 4 space indent on examples
> ---
> .../display/connector/analog-tv-connector.txt | 31 --------
> .../connector/analog-tv-connector.yaml | 52 ++++++++++++++
> .../display/connector/dvi-connector.txt | 36 ----------
> .../display/connector/dvi-connector.yaml | 70 +++++++++++++++++++
> .../display/connector/hdmi-connector.txt | 31 --------
> .../display/connector/hdmi-connector.yaml | 64 +++++++++++++++++
> .../display/connector/vga-connector.txt | 36 ----------
> .../display/connector/vga-connector.yaml | 46 ++++++++++++
> 8 files changed, 232 insertions(+), 134 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt
> create mode 100644 Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml
> delete mode 100644 Documentation/devicetree/bindings/display/connector/dvi-connector.txt
> create mode 100644 Documentation/devicetree/bindings/display/connector/dvi-connector.yaml
> delete mode 100644 Documentation/devicetree/bindings/display/connector/hdmi-connector.txt
> create mode 100644 Documentation/devicetree/bindings/display/connector/hdmi-connector.yaml
> delete mode 100644 Documentation/devicetree/bindings/display/connector/vga-connector.txt
> create mode 100644 Documentation/devicetree/bindings/display/connector/vga-connector.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt b/Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt
> deleted file mode 100644
> index 883bcb2604c7..000000000000
> --- a/Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -Analog TV Connector
> -===================
> -
> -Required properties:
> -- compatible: "composite-video-connector" or "svideo-connector"
> -
> -Optional properties:
> -- label: a symbolic name for the connector
> -- sdtv-standards: limit the supported TV standards on a connector to the given
> - ones. If not specified all TV standards are allowed.
> - Possible TV standards are defined in
> - include/dt-bindings/display/sdtv-standards.h.
> -
> -Required nodes:
> -- Video port for TV input
> -
> -Example
> --------
> -#include <dt-bindings/display/sdtv-standards.h>
> -
> -tv: connector {
> - compatible = "composite-video-connector";
> - label = "tv";
> - sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
> -
> - port {
> - tv_connector_in: endpoint {
> - remote-endpoint = <&venc_out>;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml b/Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml
> new file mode 100644
> index 000000000000..eebe88fed999
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/connector/analog-tv-connector.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog TV Connector
> +
> +maintainers:
> + - Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> +
> +properties:
> + compatible:
> + enum:
> + - composite-video-connector
> + - svideo-connector
> +
> + label: true
> +
> + sdtv-standards:
> + description:
> + Limit the supported TV standards on a connector to the given ones. If
> + not specified all TV standards are allowed. Possible TV standards are
> + defined in include/dt-bindings/display/sdtv-standards.h.
> + $ref: /schemas/types.yaml#/definitions/uint32
> +
> + port:
> + description: Connection to controller providing analog TV signals
> +
> +required:
> + - compatible
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/display/sdtv-standards.h>
> +
> + connector {
> + compatible = "composite-video-connector";
> + label = "tv";
> + sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
> +
> + port {
> + tv_connector_in: endpoint {
> + remote-endpoint = <&venc_out>;
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/display/connector/dvi-connector.txt b/Documentation/devicetree/bindings/display/connector/dvi-connector.txt
> deleted file mode 100644
> index 207e42e9eba0..000000000000
> --- a/Documentation/devicetree/bindings/display/connector/dvi-connector.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -DVI Connector
> -==============
> -
> -Required properties:
> -- compatible: "dvi-connector"
> -
> -Optional properties:
> -- label: a symbolic name for the connector
> -- ddc-i2c-bus: phandle to the i2c bus that is connected to DVI DDC
> -- analog: the connector has DVI analog pins
> -- digital: the connector has DVI digital pins
> -- dual-link: the connector has pins for DVI dual-link
> -- hpd-gpios: HPD GPIO number
> -
> -Required nodes:
> -- Video port for DVI input
> -
> -Note: One (or both) of 'analog' or 'digital' must be set.
> -
> -Example
> --------
> -
> -dvi0: connector@0 {
> - compatible = "dvi-connector";
> - label = "dvi";
> -
> - digital;
> -
> - ddc-i2c-bus = <&i2c3>;
> -
> - port {
> - dvi_connector_in: endpoint {
> - remote-endpoint = <&tfp410_out>;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/connector/dvi-connector.yaml b/Documentation/devicetree/bindings/display/connector/dvi-connector.yaml
> new file mode 100644
> index 000000000000..71cb9220fa59
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/connector/dvi-connector.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/connector/dvi-connector.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: DVI Connector
> +
> +maintainers:
> + - Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> +
> +properties:
> + compatible:
> + const: dvi-connector
> +
> + label: true
> +
> + hpd-gpios:
> + description: A GPIO line connected to HPD
> + maxItems: 1
> +
> + ddc-i2c-bus:
> + description: phandle link to the I2C controller used for DDC EDID probing
> + $ref: /schemas/types.yaml#/definitions/phandle
> +
> + analog:
> + type: boolean
> + description: the connector has DVI analog pins
> +
> + digital:
> + type: boolean
> + description: the connector has DVI digital pins
> +
> + dual-link:
> + type: boolean
> + description: the connector has pins for DVI dual-link
> +
> + port:
> + description: Connection to controller providing DVI signals
> +
> +required:
> + - compatible
> + - port
> +
> +anyOf:
> + - required:
> + - analog
> + - required:
> + - digital
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + connector {
> + compatible = "dvi-connector";
> + label = "dvi";
> +
> + digital;
> +
> + ddc-i2c-bus = <&i2c3>;
> +
> + port {
> + dvi_connector_in: endpoint {
> + remote-endpoint = <&tfp410_out>;
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt b/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt
> deleted file mode 100644
> index aeb07c4bd703..000000000000
> --- a/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -HDMI Connector
> -==============
> -
> -Required properties:
> -- compatible: "hdmi-connector"
> -- type: the HDMI connector type: "a", "b", "c", "d" or "e"
> -
> -Optional properties:
> -- label: a symbolic name for the connector
> -- hpd-gpios: HPD GPIO number
> -- ddc-i2c-bus: phandle link to the I2C controller used for DDC EDID probing
> -- ddc-en-gpios: signal to enable DDC bus
> -
> -Required nodes:
> -- Video port for HDMI input
> -
> -Example
> --------
> -
> -hdmi0: connector@1 {
> - compatible = "hdmi-connector";
> - label = "hdmi";
> -
> - type = "a";
> -
> - port {
> - hdmi_connector_in: endpoint {
> - remote-endpoint = <&tpd12s015_out>;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/connector/hdmi-connector.yaml b/Documentation/devicetree/bindings/display/connector/hdmi-connector.yaml
> new file mode 100644
> index 000000000000..14d7128af592
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/connector/hdmi-connector.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/connector/hdmi-connector.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HDMI Connector
> +
> +maintainers:
> + - Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> +
> +properties:
> + compatible:
> + const: hdmi-connector
> +
> + type:
> + description: The HDMI connector type
> + enum:
> + - a # Standard full size
> + - b # Never deployed?
> + - c # Mini
> + - d # Micro
> + - e # automotive
> +
> + label: true
> +
> + hpd-gpios:
> + description: A GPIO line connected to HPD
> + maxItems: 1
> +
> + ddc-i2c-bus:
> + description: phandle link to the I2C controller used for DDC EDID probing
> + $ref: /schemas/types.yaml#/definitions/phandle
> +
> + ddc-en-gpios:
> + description: GPIO signal to enable DDC bus
> + maxItems: 1
> +
> + port:
> + description: Connection to controller providing HDMI signals
> +
> +required:
> + - compatible
> + - port
> + - type
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + connector {
> + compatible = "hdmi-connector";
> + label = "hdmi";
> +
> + type = "a";
> +
> + port {
> + hdmi_connector_in: endpoint {
> + remote-endpoint = <&tpd12s015_out>;
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/display/connector/vga-connector.txt b/Documentation/devicetree/bindings/display/connector/vga-connector.txt
> deleted file mode 100644
> index c727f298e7ad..000000000000
> --- a/Documentation/devicetree/bindings/display/connector/vga-connector.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -VGA Connector
> -=============
> -
> -Required properties:
> -
> -- compatible: "vga-connector"
> -
> -Optional properties:
> -
> -- label: a symbolic name for the connector corresponding to a hardware label
> -- ddc-i2c-bus: phandle to the I2C bus that is connected to VGA DDC
> -
> -Required nodes:
> -
> -The VGA connector internal connections are modeled using the OF graph bindings
> -specified in Documentation/devicetree/bindings/graph.txt.
> -
> -The VGA connector has a single port that must be connected to a video source
> -port.
> -
> -
> -Example
> --------
> -
> -vga0: connector@0 {
> - compatible = "vga-connector";
> - label = "vga";
> -
> - ddc-i2c-bus = <&i2c3>;
> -
> - port {
> - vga_connector_in: endpoint {
> - remote-endpoint = <&adv7123_out>;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/connector/vga-connector.yaml b/Documentation/devicetree/bindings/display/connector/vga-connector.yaml
> new file mode 100644
> index 000000000000..5782c4bb3252
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/connector/vga-connector.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/connector/vga-connector.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: VGA Connector
> +
> +maintainers:
> + - Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> +
> +properties:
> + compatible:
> + const: vga-connector
> +
> + label: true
> +
> + ddc-i2c-bus:
> + description: phandle link to the I2C controller used for DDC EDID probing
> + $ref: /schemas/types.yaml#/definitions/phandle
> +
> + port:
> + description: Connection to controller providing VGA signals
> +
> +required:
> + - compatible
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + connector {
> + compatible = "vga-connector";
> + label = "vga";
> +
> + ddc-i2c-bus = <&i2c3>;
> +
> + port {
> + vga_connector_in: endpoint {
> + remote-endpoint = <&adv7123_out>;
> + };
> + };
> + };
> +
> +...
> --
> 2.25.1
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