linux-kernel - Re: [PATCH V2 1/3] dt-bindings: clk: meson: add S4 SoC clock controller bindings

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Date:   Thu, 28 Jul 2022 18:05:44 +0800
From:   Yu Tu <yu.tu@...ogic.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: Re: [PATCH V2 1/3] dt-bindings: clk: meson: add S4 SoC clock
 controller bindings

Hi Krzysztof,
	Thanks for your reply.

On 2022/7/28 16:41, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
> 
> On 28/07/2022 07:42, Yu Tu wrote:
>> Add new clock controller compatible and dt-bindings header for the
>> Everything-Else domain of the S4 SoC.
>>
>> Signed-off-by: Yu Tu <yu.tu@...ogic.com>
> 
> 
> 
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index c1abc53f9e91..f872d0c0c253 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -1775,6 +1775,7 @@ F:	Documentation/devicetree/bindings/clock/amlogic*
>>   F:	drivers/clk/meson/
>>   F:	include/dt-bindings/clock/gxbb*
>>   F:	include/dt-bindings/clock/meson*
>> +F:	include/dt-bindings/clock/s4-clkc.h
>>   
>>   ARM/Amlogic Meson SoC Crypto Drivers
>>   M:	Corentin Labbe <clabbe@...libre.com>
>> diff --git a/include/dt-bindings/clock/s4-clkc.h b/include/dt-bindings/clock/s4-clkc.h
>> new file mode 100644
>> index 000000000000..b686c8877419
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/s4-clkc.h
> 
> Filename with vendor prefix, so:
> amlogic,s4-clkc.h
It's fine with me. It's mainly Jerome's opinion.

> 
>> @@ -0,0 +1,146 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>> +/*
>> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
>> + * Author: Yu Tu <yu.tu@...ogic.com>
>> + */
>> +
>> +#ifndef _DT_BINDINGS_CLOCK_S4_CLKC_H
>> +#define _DT_BINDINGS_CLOCK_S4_CLKC_H
>> +
>> +/*
>> + * CLKID index values
>> + */
>> +
>> +#define CLKID_FIXED_PLL			1
>> +#define CLKID_FCLK_DIV2			3
>> +#define CLKID_FCLK_DIV3			5
>> +#define CLKID_FCLK_DIV4			7
>> +#define CLKID_FCLK_DIV5			9
>> +#define CLKID_FCLK_DIV7			11
> 
> Why these aren't continuous? IDs are expected to be incremented by 1.
> 
>> +
>> +#endif /* _DT_BINDINGS_CLOCK_S4_CLKC_H */
> 
> 
> Best regards,
> Krzysztof
> 
> .