[PATCH v3 05/16] watchdog: lantiq: add device tree binding documentation

[Rob Herring]

On Sun, May 28, 2017 at 08:39:55PM +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    | 28 ++++++++++++++++++++++
>  1 file changed, 28 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..675c30e23b65
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt
> @@ -0,0 +1,28 @@
> +Lantiq WTD watchdog binding
> +============================
> +
> +This describes the binding of the Lantiq watchdog driver.
> +
> +-------------------------------------------------------------------------------
> +Required properties:
> +- compatible		: Should be one of
> +				"lantiq,wdt"
> +				"lantiq,wdt-xrx100"
> +				"lantiq,wdt-falcon"
> +
> +Optional properties:
> +- regmap		: A phandle to the RCU syscon
> +- offset-status		: Offset of the reset cause register
> +- mask-status		: Mask of the reset cause register value

These 2 should be implied by the compatible. But if already used in 
upstream dts files, then it's okay.

> +
> +
> +-------------------------------------------------------------------------------
> +Example for the watchdog on the xRX200 SoCs:
> +		watchdog at 803F0 {

Lowercase hex please.

> +			compatible = "lantiq,wdt-xrx200", "lantiq,wdt-xrx100";

Doesn't match the documentation.

> +			reg = <0x803F0 0x10>;

Lowercase hex please.

> +
> +			regmap = <&rcu0>;
> +			offset-status = <0x14>;
> +			mask-status = <0x80000000>;
> +		};
> -- 
> 2.11.0
>