Re: [RESEND PATCHv2] watchdog: dw: Enable OF support for DW watchdog timer.

[Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>]

On Wed, Oct 02, 2013 at 07:44:32PM +0100, dinguyen-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org wrote:
> From: Dinh Nguyen <dinguyen-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org>
> 
> Add device tree support to the DW watchdog timer.
> 
> Signed-off-by: Dinh Nguyen <dinguyen-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org>
> Acked-by: Jamie Iles <jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
> Reviewed-by: Pavel Machek <pavel-ynQEQJNshbs@public.gmane.org>
> Cc: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
> Cc: Jamie Iles <jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
> Cc: Viresh Kumar <viresh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Cc: Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>
> Cc: Pavel Machek <pavel-ynQEQJNshbs@public.gmane.org>
> Cc: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
> Cc: Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>
> Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
> Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
> Cc: Ian Campbell <ian.campbell-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> ---
> v2:
> - Use of_match_ptr() for of_match_table
> ---
>  .../devicetree/bindings/watchdog/dw_wdt.txt        |   16 ++++++++++++++++
>  drivers/watchdog/dw_wdt.c                          |    8 ++++++++
>  2 files changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/dw_wdt.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/dw_wdt.txt b/Documentation/devicetree/bindings/watchdog/dw_wdt.txt
> new file mode 100644
> index 0000000..29e150b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/dw_wdt.txt
> @@ -0,0 +1,16 @@
> +Synopsys Designware Watchdog Timer
> +
> +Required Properties:
> +
> +- Compatiblity	: "snps,dw-wdt"

This should presumably be:

- compatbile: should contain "snps,dw-wdt"

> +- reg		: Base address of the watchdog timer register.

And the size...

> +
> +Example:
> +
> +	watchdog0: wd@ffd02000 {
> +		compatible = "snps,dw-wdt";
> +		reg = <0xffd02000 0x1000>;
> +		interrupts = <0 171 4>;

This wasn't mentioned.

Is it necessary?

Is it the only interrupt?

> +		clocks = <&per_base_clk>;

Similarly, is this the only clock?

Is it necessary?

> +		status = "okay";

This is unnecessary.

Thanks,
Mark.
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