On Wed, Dec 07, 2016 at 11:42:43AM +0100, Bartosz Golaszewski wrote:
> 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
Acked-by: Rob Herring <robh@xxxxxxxxxx>
But one nit below:
>
> 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>;
You don't need reg here.
> + 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
>
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