linux-kernel - Re: Fwd: [PATCH 6/8] watchdog: davinci: reuse driver for keystone arch

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Date:	Mon, 18 Nov 2013 17:03:37 +0200
From:	"ivan.khoronzhuk" <ivan.khoronzhuk@...com>
To:	Guenter Roeck <linux@...ck-us.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>, <wim@...ana.be>,
	<nsekhar@...com>, <linux-watchdog@...r.kernel.org>,
	<devicetree@...r.kernel.org>
CC:	<grant.likely@...aro.org>, <rob.herring@...xeda.com>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<swarren@...dotorg.org>, <galak@...nel.crashing.org>,
	<ijc+devicetree@...lion.org.uk>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: Fwd: [PATCH 6/8] watchdog: davinci: reuse driver for keystone
 arch

On 11/17/2013 04:27 AM, Guenter Roeck wrote:
> On 11/06/2013 03:32 AM, ivan.khoronzhuk wrote:
>> The keystone arch use the same IP watchdog, so add "ti,keystone-wdt"
>> compatible and correct identity.
>>
>> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...com>
>> ---
>>   .../devicetree/bindings/watchdog/davinci-wdt.txt   |   11 +++++++++--
>>   drivers/watchdog/Kconfig                           |    4 ++--
>>   drivers/watchdog/davinci_wdt.c                     |    3 ++-
>>   3 files changed, 13 insertions(+), 5 deletions(-)
>>
>> diff --git
>> a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
>> b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
>> index 1668b6e..fddced9 100644
>> --- a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
>> +++ b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
>> @@ -1,13 +1,20 @@
>> -DaVinci Watchdog Timer (WDT) Controller
>> +Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller
>>
>>   Required properties:
>> -- compatible : Should be "ti,davinci-wdt"
>> +
>> +- compatible:        "ti,davinci-wdt"
>> +            "ti,keystone-wdt"
>> +
>>   - reg : Should contain WDT registers location and length
>>
> Please use consistent formatting. If you change it, at least change it
> to be consistent.
>

Thanks, I will

>>   Optional properties:
>>
>>   - timeout-sec:        Contains the watchdog timeout in seconds
>>
>> +Documentation:
>> +Davinci DM646x - http://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
>> +Keystone - http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
>> +
>>   Examples:
>>
>>   wdt: wdt@...0000 {
>> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
>> index 2c954b5..a4fe130 100644
>> --- a/drivers/watchdog/Kconfig
>> +++ b/drivers/watchdog/Kconfig
>> @@ -270,11 +270,11 @@ config IOP_WATCHDOG
>>
>>   config DAVINCI_WATCHDOG
>>       tristate "DaVinci watchdog"
>> -    depends on ARCH_DAVINCI
>> +    depends on ARCH_DAVINCI || ARCH_KEYSTONE
>>       select WATCHDOG_CORE
>>       help
>>         Say Y here if to include support for the watchdog timer
>> -      in the DaVinci DM644x/DM646x processors.
>> +      in the DaVinci DM644x/DM646x or Keystone processors.
>>         To compile this driver as a module, choose M here: the
>>         module will be called davinci_wdt.
>>
>> diff --git a/drivers/watchdog/davinci_wdt.c
>> b/drivers/watchdog/davinci_wdt.c
>> index a371b2d..e51fd2e 100644
>> --- a/drivers/watchdog/davinci_wdt.c
>> +++ b/drivers/watchdog/davinci_wdt.c
>> @@ -158,7 +158,7 @@ static unsigned int davinci_wdt_status(struct
>> watchdog_device *wdd)
>>
>>   static const struct watchdog_info davinci_wdt_info = {
>>       .options = WDIOF_KEEPALIVEPING,
>> -    .identity = "DaVinci Watchdog",
>> +    .identity = "DaVinci/Keystone Watchdog",
>>   };
>>
>>   static const struct watchdog_ops davinci_wdt_ops = {
>> @@ -229,6 +229,7 @@ static int davinci_wdt_remove(struct
>> platform_device *pdev)
>>
>>   static const struct of_device_id davinci_wdt_of_match[] = {
>>       { .compatible = "ti,davinci-wdt", },
>> +    { .compatible = "ti,keystone-wdt", },
>>       {},
>>   };
>>   MODULE_DEVICE_TABLE(of, davinci_wdt_of_match);
>>
>


-- 
Regards,
Ivan Khoronzhuk
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