[PATCHv4 1/4] dt-bindings: document the tegra CEC bindings

[Thierry Reding]

On Mon, Sep 11, 2017 at 02:29:49PM +0200, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil at cisco.com>
> 
> This documents the binding for the Tegra CEC module.
> 
> Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
> Acked-by: Rob Herring <robh at kernel.org>
> ---
>  .../devicetree/bindings/media/tegra-cec.txt        | 27 ++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/tegra-cec.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/tegra-cec.txt b/Documentation/devicetree/bindings/media/tegra-cec.txt
> new file mode 100644
> index 000000000000..c503f06f3b84
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/tegra-cec.txt
> @@ -0,0 +1,27 @@
> +* Tegra HDMI CEC hardware
> +
> +The HDMI CEC module is present in Tegra SoCs and its purpose is to
> +handle communication between HDMI connected devices over the CEC bus.
> +
> +Required properties:
> +  - compatible : value should be one of the following:
> +	"nvidia,tegra114-cec"
> +	"nvidia,tegra124-cec"
> +	"nvidia,tegra210-cec"
> +  - reg : Physical base address of the IP registers and length of memory
> +	  mapped region.
> +  - interrupts : HDMI CEC interrupt number to the CPU.
> +  - clocks : from common clock binding: handle to HDMI CEC clock.
> +  - clock-names : from common clock binding: must contain "cec",
> +		  corresponding to the entry in the clocks property.
> +  - hdmi-phandle : phandle to the HDMI controller, see also cec.txt.

I don't understand the need for the -phandle suffix. I would've probably
just gone with "hdmi", or "hdmi-controller". But I see that this is
already pretty standardized, so...

Acked-by: Thierry Reding <treding at nvidia.com>
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