Re: [PATCH v5 2/4] drm: bridge: add support for TI ths8135

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2016-12-07 11:42 GMT+01:00 Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>:
> THS8135 is a configurable video DAC. Add DT bindings for this chip and
> use the dumb-vga-dac driver for now as no configuration is required to
> make it work.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> ---
>  .../bindings/display/bridge/ti,ths8135.txt         | 52 ++++++++++++++++++++++
>  drivers/gpu/drm/bridge/dumb-vga-dac.c              |  1 +
>  2 files changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt b/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> new file mode 100644
> index 0000000..23cd8ee
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt
> @@ -0,0 +1,52 @@
> +THS8135 Video DAC
> +-----------------
> +
> +This is the binding for Texas Instruments THS8135 Video DAC bridge.
> +
> +Required properties:
> +
> +- compatible: Must be "ti,ths8135"
> +
> +Required nodes:
> +
> +This device has two video ports. Their connections are modelled using the OF
> +graph bindings specified in Documentation/devicetree/bindings/graph.txt.
> +
> +- Video port 0 for RGB input
> +- Video port 1 for VGA output
> +
> +Example
> +-------
> +
> +vga-bridge {
> +       compatible = "ti,ths8135";
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +
> +       ports {
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               port@0 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0>;
> +
> +                       vga_bridge_in: endpoint@0 {
> +                               reg = <0>;
> +                               remote-endpoint = <&lcdc_out_vga>;
> +                       };
> +               };
> +
> +               port@1 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <1>;
> +
> +                       vga_bridge_out: endpoint@0 {
> +                               reg = <0>;
> +                               remote-endpoint = <&vga_con_in>;
> +                       };
> +               };
> +       };
> +};
> diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c
> index afec232..498fa75 100644
> --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c
> +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c
> @@ -204,6 +204,7 @@ static int dumb_vga_remove(struct platform_device *pdev)
>
>  static const struct of_device_id dumb_vga_match[] = {
>         { .compatible = "dumb-vga-dac" },
> +       { .compatible = "ti,ths8135" },
>         {},
>  };
>  MODULE_DEVICE_TABLE(of, dumb_vga_match);
> --
> 2.9.3
>

+ Maxime

Sorry, I forgot to include your e-mail.

Bartosz
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