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

[Rob Herring]

On Sat, Jul 15, 2017 at 02:47:50PM +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>
> ---
>  .../devicetree/bindings/media/tegra-cec.txt        | 26 ++++++++++++++++++++++
>  1 file changed, 26 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..ba0b6071acaa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/tegra-cec.txt
> @@ -0,0 +1,26 @@
> +* Tegra HDMI CEC driver

Bindings are for h/w, not drivers...

> +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 ithe entry in the clocks property.

s/ithe/the/

> +  - hdmi-phandle : phandle to the HDMI controller, see also cec.txt.
> +
> +Example:
> +
> +tegra_cec {

cec at 70015000

> +	compatible = "nvidia,tegra124-cec";
> +	reg = <0x0 0x70015000 0x0 0x00001000>;
> +	interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> +	clocks = <&tegra_car TEGRA124_CLK_CEC>;
> +	clock-names = "cec";
> -- 
> 2.11.0
> 
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