[PATCH v5 05/16] watchdog: lantiq: add device tree binding documentation

[Rob Herring]

On Wed, Jun 21, 2017 at 12:37:32AM +0200, Hauke Mehrtens wrote:
> The binding was not documented before, add the documentation now.
> 
> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
> ---
>  .../devicetree/bindings/watchdog/lantiq-wdt.txt    | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt
> new file mode 100644
> index 000000000000..1d41142ca55f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt
> @@ -0,0 +1,22 @@
> +Lantiq WTD watchdog binding
> +============================
> +
> +This describes the binding of the Lantiq watchdog driver.
> +
> +-------------------------------------------------------------------------------
> +Required properties:
> +- compatible		: Should be one of
> +				"lantiq,wdt"
> +				"lantiq,xrx100-wdt"
> +				"lantiq,falcon-wdt"
> +- regmap		: A phandle to the RCU syscon (required for
> +			  "lantiq,falcon-wdt" and "lantiq,xrx100-wdt")

regmap is a Linuxism. I'd suggest "lantiq,rcu" instead.

> +
> +-------------------------------------------------------------------------------
> +Example for the watchdog on the xRX200 SoCs:
> +		watchdog at 803f0 {
> +			compatible = "lantiq,xrx100-wdt";

Why did you remove the xrx200 compatible? You should add it to the 
compatible list (with the fallback).

> +			reg = <0x803f0 0x10>;
> +
> +			regmap = <&rcu0>;
> +		};
> -- 
> 2.11.0
>