linux-kernel - Re: [PATCH] pwm: atmel-hlcdc: add errata handling for sama5d4

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Message-ID: <54E7603A.5010309@atmel.com>
Date:	Fri, 20 Feb 2015 17:26:34 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	<thierry.reding@...il.com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-pwm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: Re: [PATCH] pwm: atmel-hlcdc: add errata handling for sama5d4

Le 20/02/2015 17:06, Boris Brezillon a écrit :
> Hi Nicolas,
> 
> On Fri, 20 Feb 2015 16:58:18 +0100
> Nicolas Ferre <nicolas.ferre@...el.com> wrote:
> 
>> sama5d4 SoC also has an errata on the HLCDC PWM. It is the same as the sama5d3
>> that is forbidding the use of div1 prescaler.
>>
>> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> 
> The "atmel,sama5d4-hlcdc" compatible string is not yet documented in
> the atmel-hlcdc MFD driver binding, but this shouldn't hurt, so

Yes, I'll document it when I'm submitting your patches that add the
compatibility strings to the drivers/mfd/atmel-hlcdc.c. (with
atmel,at91sam9x5-hlcdc as well).

> Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>

Thanks, bye.

>> ---
>>  drivers/pwm/pwm-atmel-hlcdc.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
>> index 522f7075bb1a..fa5feaba25a5 100644
>> --- a/drivers/pwm/pwm-atmel-hlcdc.c
>> +++ b/drivers/pwm/pwm-atmel-hlcdc.c
>> @@ -225,6 +225,10 @@ static const struct of_device_id atmel_hlcdc_dt_ids[] = {
>>  		.compatible = "atmel,sama5d3-hlcdc",
>>  		.data = &atmel_hlcdc_pwm_sama5d3_errata,
>>  	},
>> +	{
>> +		.compatible = "atmel,sama5d4-hlcdc",
>> +		.data = &atmel_hlcdc_pwm_sama5d3_errata,
>> +	},
>>  	{ /* sentinel */ },
>>  };
>>  
> 
> 
> 


-- 
Nicolas Ferre
--
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