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Groups > linux.kernel > #1675245
| From | Christopher Bostic <cbostic@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [1/2] drivers/watchdog: Document new aspeed optional dev tree properties. |
| Date | 2017-06-27 04:20 +0200 |
| Message-ID | <tWOgG-2mL-13@gated-at.bofh.it> (permalink) |
| References | <tS0Lw-4an-7@gated-at.bofh.it> <tW1pE-50S-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 6/24/17 5:07 PM, Guenter Roeck wrote:
> On Tue, Jun 13, 2017 at 03:38:17PM -0500, Christopher Bostic wrote:
>> Describe new optional property 'external-signal'. When present in the
>> system device tree an exernal signal is generated on watchdog timeout.
>>
>> Describe new optional property 'no-system-reset'. When present in the
>> system device tree no system reset is to occur on watchdog timeout.
>> System reset in this case is managed by one of the other watchogs
>> available.
>>
>> Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
> This requires DT maintainer approval, but DT maintainers were not copied.
> Please resend and use scripts/get_maintainer.pl to determine who to send
> it to.
>
> Guenter
Hi Guenter,
Will resend with maintainers copied.
Thanks
-Chris
>> ---
>> Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 11 +++++++++++
>> 1 file changed, 11 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
>> index c5e74d7..4099ea5 100644
>> --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
>> +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
>> @@ -8,9 +8,20 @@ Required properties:
>> - reg: physical base address of the controller and length of memory mapped
>> region
>>
>> +Optional properties:
>> + - external-signal: If the property is present then an external signal is to
>> + be generated on watchdog timeout. If absent, external signal is not
>> + generated.
>> +
>> + - no-system-reset: If the property is present then system will not be reset
>> + on watchdog timeout. In this case one of the other watchdogs will handle
>> + reset. If absent then the watchdog resets the system on timeout.
>> +
>> Example:
>>
>> wdt1: watchdog@1e785000 {
>> compatible = "aspeed,ast2400-wdt";
>> reg = <0x1e785000 0x1c>;
>> + external-signal;
>> + no-system-reset;
>> };
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Re: [1/2] drivers/watchdog: Document new aspeed optional dev tree properties. Guenter Roeck <linux@roeck-us.net> - 2017-06-25 00:10 +0200 Re: [1/2] drivers/watchdog: Document new aspeed optional dev tree properties. Christopher Bostic <cbostic@linux.vnet.ibm.com> - 2017-06-27 04:20 +0200
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