linux-kernel - Re: [PATCH v3 2/4] arm64: dts: s32g: add common 'S32G-EVB' and 'S32G-RDB' board support

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Message-ID: <eef5aeea-6106-4ea0-8d02-8f10df1f39db@oss.nxp.com>
Date: Fri, 20 Dec 2024 10:20:08 +0200
From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
To: Frank Li <Frank.li@....com>
Cc: Chester Lin <chester62515@...il.com>, Matthias Brugger
 <mbrugger@...e.com>, Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Pengutronix Kernel Team <kernel@...gutronix.de>,
 linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 NXP S32 Linux <s32@....com>, Christophe Lizzi <clizzi@...hat.com>,
 Alberto Ruiz <aruizrui@...hat.com>, Enric Balletbo <eballetb@...hat.com>
Subject: Re: [PATCH v3 2/4] arm64: dts: s32g: add common 'S32G-EVB' and
 'S32G-RDB' board support

On 12/19/2024 7:20 PM, Frank Li wrote:
> On Thu, Dec 19, 2024 at 03:10:27PM +0200, Ciprian Costea wrote:
>> From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>>
>> With respect to S32G2/S32G3 SoC based boards, there are multiple RDB
>> (rdb2 vs rdb3) and EVB (for G2 vs for G3) board revisions. These versions
>> are quite similar. The common part for the EVB revisions will be
>> centralized in 's32gxxa-evb.dtsi' file, while the RDB commonalities will
>> be placed in 's32gxxa-rdb.dtsi' file.
>>
>> This refactor will also serve for other modules in the future, such as
>> FlexCAN, DSPI.
>>
>> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>> ---
>>   .../boot/dts/freescale/s32gxxxa-evb.dtsi      | 150 ++++++++++++++++++
>>   .../boot/dts/freescale/s32gxxxa-rdb.dtsi      | 126 +++++++++++++++
>>   2 files changed, 276 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/freescale/s32gxxxa-evb.dtsi
>>   create mode 100644 arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/freescale/s32gxxxa-evb.dtsi b/arch/arm64/boot/dts/freescale/s32gxxxa-evb.dtsi
>> new file mode 100644
>> index 000000000000..a44eff28073a
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/freescale/s32gxxxa-evb.dtsi
>> @@ -0,0 +1,150 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
>> +/*
>> + * Copyright 2024 NXP
>> + *
>> + * Authors: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>> + *          Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>
>> + *          Larisa Grigore <larisa.grigore@....com>
>> + */
>> +
> [...]
> 
>> +
>> +&i2c2 {
>> +	pinctrl-names = "default", "gpio";
>> +	pinctrl-0 = <&i2c2_pins>;
>> +	pinctrl-1 = <&i2c2_gpio_pins>;
>> +	status = "okay";
>> +};
>> +
>> +&i2c4 {
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
> 
> 
> I have said many times, these should be in common part.
> 
> Frank
> 

Hello Frank,

Ok, I'll move the 'address/size cells' from board common part into SoC 
common part.

Best Regards,
Ciprian

>> +	pinctrl-names = "default", "gpio";
>> +	pinctrl-0 = <&i2c4_pins>;
>> +	pinctrl-1 = <&i2c4_gpio_pins>;
>> +	status = "okay";
>> +};
>> --
>> 2.45.2
>>