linux-kernel - Re: [PATCH v5 1/2] drivers/watchdog: Add optional ASPEED device tree properties

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Date:   Mon, 24 Jul 2017 12:49:29 -0500
From:   Rob Herring <robh@...nel.org>
To:     Christopher Bostic <cbostic@...ux.vnet.ibm.com>
Cc:     wim@...ana.be, linux@...ck-us.net, mark.rutland@....com,
        joel@....id.au, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org
Subject: Re: [PATCH v5 1/2] drivers/watchdog: Add optional ASPEED device tree
 properties

On Mon, Jul 17, 2017 at 02:25:38PM -0500, Christopher Bostic wrote:
> Describe device tree optional properties:
> 
>   * aspeed,reset-type = "cpu|soc|system|none"
>      One of three different, mutually exclusive, values
> 
> 	"cpu" : ARM CPU reset on signal
> 	"soc" : 'System on chip' reset
> 	"system" : Full system reset
> 
>      The value can also be set to "none" which indicates that no
>      reset of any kind is to be done via this watchdog.  This assumes
>      another watchdog on the chip is to take care of resets.
> 
>   * aspeed,external-signal - Generate external signal (WDT1 and WDT2 only)
>   * aspeed,alt-boot - Boot from alternate block on signal
> 
> Signed-off-by: Christopher Bostic <cbostic@...ux.vnet.ibm.com>
> ---
> v5 - Removed aspeed,interrupt property - no plans at this point to
>      need this functionality in the driver.
> v4 - Add aspeed-reset-type and assign one of four values,
>      cpu, soc, system, none.
> v3 - Invert soc and sys reset to 'no' to preserve backwards
>      compatibility.  SOC and SYS reset will be set by default
>      without any optional parameters set
> v2 - Add 'aspeed,' prefix to all optional properties
>    - Add arm-reset, soc-reset, interrupt, alt-boot properties
> ---
>  .../devicetree/bindings/watchdog/aspeed-wdt.txt    | 32 ++++++++++++++++++++++
>  1 file changed, 32 insertions(+)

Acked-by: Rob Herring <robh@...nel.org>