linux-kernel - Re: [PATCH 2/2] drivers: pwm: pwm-atmel: enable pwm on sama5d2

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Date:   Fri, 3 Mar 2017 11:53:17 +0200
From:   m18063 <Claudiu.Beznea@...rochip.com>
To:     Rob Herring <robh@...nel.org>
CC:     <thierry.reding@...il.com>, <pawel.moll@....com>,
        <mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
        <galak@...eaurora.org>, <boris.brezillon@...e-electrons.com>,
        <alexandre.belloni@...e-electrons.com>,
        <linux-pwm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/2] drivers: pwm: pwm-atmel: enable pwm on sama5d2

Hi,


On 03.03.2017 08:21, Rob Herring wrote:
> On Tue, Feb 28, 2017 at 12:40:15PM +0200, Claudiu Beznea wrote:
>> sama5d2 can use the same atmel_pwm_data as sama5d3.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
>> ---
>>  Documentation/devicetree/bindings/pwm/atmel-pwm.txt | 1 +
>>  drivers/pwm/pwm-atmel.c                             | 3 +++
>>  2 files changed, 4 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt
>> index 02331b9..c8c831d 100644
>> --- a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt
>> +++ b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt
>> @@ -4,6 +4,7 @@ Required properties:
>>    - compatible: should be one of:
>>      - "atmel,at91sam9rl-pwm"
>>      - "atmel,sama5d3-pwm"
>> +    - "atmel,sama5d2-pwm"
> Perhaps sama5d3 should be a fallback, then you don't need a driver 
> change.
>
> Rob

sama5d2 PWM controller have additional features. We intend to support
some of these. This is why I choose to add specific compatible string
for it.

Thank you,
Claudiu Beznea