Re: [PATCH] pwm: atmel-hlcdc: add errata handling for sama5d4
From: Nicolas Ferre
Date: Fri Feb 20 2015 - 11:26:42 EST
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@xxxxxxxxx> 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@xxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxxxxx>
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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