On Sat, Jul 15, 2017 at 02:47:50PM +0200, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
>
> This documents the binding for the Tegra CEC module.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> ---
> .../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@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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