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SubjectRe: [PATCH RESEND 1/4] dt-bindings: drm/bridge: analogix-anx7688: Add ANX7688 transmitter binding
On Wed, Dec 11, 2019 at 02:19:08PM +0800, Hsin-Yi Wang wrote:
> From: Nicolas Boichat <drinkcat@chromium.org>
>
> Add support for analogix,anx7688
>
> Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---
> Change from RFC to v1:
> - txt to yaml
> ---
> .../bindings/display/bridge/anx7688.yaml | 60 +++++++++++++++++++
> 1 file changed, 60 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7688.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/anx7688.yaml
> new file mode 100644
> index 000000000000..cf79f7cf8fdf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/anx7688.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/anx7688.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analogix ANX7688 SlimPort (Single-Chip Transmitter for DP over USB-C)
> +
> +maintainers:
> + - Nicolas Boichat <drinkcat@chromium.org>
> +
> +description: |
> + The ANX7688 is a single-chip mobile transmitter to support 4K 60 frames per
> + second (4096x2160p60) or FHD 120 frames per second (1920x1080p120) video
> + resolution from a smartphone or tablet with full function USB-C.
> +
> + This binding only describes the HDMI to DP display bridge.
> +
> +properties:
> + compatible:
> + const: analogix,anx7688
> +
> + reg:
> + maxItems: 1
> + description: I2C address of the device
> +
> + ports:
> + type: object
> +
> + properties:
> + port@0:
> + type: object
> + description: |
> + Video port for HDMI input
> +
> + port@1:
> + type: object
> + description: |
> + Video port for eDP output
> +
> + required:
> + - port@0

Sometimes you have no output?

> +
> +required:
> + - compatible
> + - reg
> + - ports

The example will have errors because it is missing 'ports'. Run 'make
dt_binding_check'.

Add:

additionalProperties: false

> +
> +examples:
> + - |
> + anx7688: anx7688@2c {
> + compatible = "analogix,anx7688";
> + reg = <0x2c>;
> +
> + port {
> + anx7688_in: endpoint {
> + remote-endpoint = <&hdmi0_out>;
> + };
> + };
> + };
> --
> 2.24.0.525.g8f36a354ae-goog
>

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