linux-kernel - Re: [PATCH 1/2] dt-bindings: pwm: amlogic: Add new bindings for meson A1 pwm

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Date: Tue, 23 Apr 2024 19:44:35 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Conor Dooley <conor@...nel.org>
Cc: George Stark <gnstark@...utedevices.com>,
 u.kleine-koenig@...gutronix.de, neil.armstrong@...aro.org,
 khilman@...libre.com, jbrunet@...libre.com,
 martin.blumenstingl@...glemail.com, thierry.reding@...il.com,
 hkallweit1@...il.com, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-amlogic@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, kernel@...utedevices.com, Dmitry Rokosov
 <ddrokosov@...utedevices.com>
Subject: Re: [PATCH 1/2] dt-bindings: pwm: amlogic: Add new bindings for
 meson A1 pwm


On Tue 23 Apr 2024 at 17:56, Conor Dooley <conor@...nel.org> wrote:

> [[PGP Signed Part:Undecided]]
> On Tue, Apr 23, 2024 at 07:10:05PM +0300, George Stark wrote:
>> The chip has 3 dual channel PWM modules AB, CD, EF.
>> 
>> Signed-off-by: George Stark <gnstark@...utedevices.com>
>> Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
>
> a would sort before s.
>
> With the re-order,
> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
>
> Thanks,
> Conor.
>
>> ---
>>  Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
>> index 1d71d4f8f328..ef6daf1760ff 100644
>> --- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
>> +++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
>> @@ -37,6 +37,7 @@ properties:
>>        - enum:
>>            - amlogic,meson8-pwm-v2
>>            - amlogic,meson-s4-pwm
>> +          - amlogic,meson-a1-pwm

AFAICT, the a1 interface is exactly as the s4 interface.
So a1 should list s4 as a fallback and the driver should match on the s4.

>>        - items:
>>            - enum:
>>                - amlogic,meson8b-pwm-v2
>> @@ -126,6 +127,7 @@ allOf:
>>            contains:
>>              enum:
>>                - amlogic,meson-s4-pwm
>> +              - amlogic,meson-a1-pwm
>>      then:
>>        properties:
>>          clocks:
>> -- 
>> 2.25.1
>> 
>
> [[End of PGP Signed Part]]


-- 
Jerome