linux-kernel - Re: [PATCH 02/11] pinctrl: stm32: add stm32mp257 pinctrl support

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Message-ID: <879b7689-5663-28b5-9431-2fdd243ffff2@foss.st.com>
Date:   Tue, 30 May 2023 10:38:30 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Conor Dooley <conor@...nel.org>
CC:     <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>, <soc@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH 02/11] pinctrl: stm32: add stm32mp257 pinctrl support

Hi Conor

On 5/29/23 20:04, Conor Dooley wrote:
> On Mon, May 29, 2023 at 06:20:25PM +0200, Alexandre Torgue wrote:
>> Add stm32mp257 pinctrl support.
>> diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.h b/drivers/pinctrl/stm32/pinctrl-stm32.h
>> index e0c31c4c8bca..5e5de92ddd58 100644
>> --- a/drivers/pinctrl/stm32/pinctrl-stm32.h
>> +++ b/drivers/pinctrl/stm32/pinctrl-stm32.h
>> @@ -24,6 +24,9 @@
>>   #define STM32MP_PKG_AB		BIT(1)
>>   #define STM32MP_PKG_AC		BIT(2)
>>   #define STM32MP_PKG_AD		BIT(3)
>> +#define STM32MP_PKG_AI		BIT(8)
>> +#define STM32MP_PKG_AK		BIT(10)
>> +#define STM32MP_PKG_AL		BIT(11)
> 
> Mainly out of curiosity, why have you go duplicate defines for these?

Mainly to fit with available packages for various STM32 MPU. Currently 
MP1 SoCs are available with packages AB/AC/AD and MP2 series with 
AI/AK/AL but in the future we could have package AB/AC/AD/AI available 
for a particular SoC and then I need to anticipate this case.

Cheers
Alex

> 
> Cheers,
> Conor.