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SubjectRe: [PATCH 10/12] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings
On Tue, Jul 03, 2018 at 11:02:21AM +0100, Damian Kos wrote:
> Document the bindings used for the Cadence MHDP DPI/DP bridge.
>
> Signed-off-by: Damian Kos <dkos@cadence.com>
> ---
> .../bindings/display/bridge/cdns,mhdp.txt | 39 ++++++++++++++++++++
> 1 files changed, 39 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
> new file mode 100644
> index 0000000..d872e26
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
> @@ -0,0 +1,39 @@
> +Cadence MHDP bridge
> +==========================
> +
> +The Cadence MHDP bridge is a DPI to DP bridge.
> +
> +Required properties:
> + - compatible: should be "cdns,mhdp",

Not very specific. Only 1 version of this block?

> + - reg: physical base address and length of the controller's registers,
> + - clocks: DP bridge clock, it's used by the IP to know how to translate
> + a number of clock cycles into a time (which is used to comply
> + with DP standard timings and delays),
> + - clock-names: must be "clk",

Not a useful name. With only 1 clock, you can just drop this.

> +
> +Required subnodes:
> + - ports: Ports as described in Documentation/devictree/bindings/graph.txt
> + Currently contains a single input port at address 0 representing the DPI
> + input.

Currently? You should have a port connecting to a connector node.

> + Port 0 should be connected to a DPI encoder output.
> +
> +Example:
> +
> + mhdp: mhdp@0xf0fb000000 {

dp-bridge@f0fb000000

> + compatible = "cdns,mhdp";
> + reg = <0xf0 0xfb000000 0x0 0x1000000>;
> + clocks = <&mhdp_clock>;
> + clock-names = "clk";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + mhdp0_dpi_input: endpoint {
> + remote-endpoint = <&xxx_dpi_output>;
> + };
> + };
> + };
> + };
> --
> 1.7.1
>
> --
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