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: <Z2RVyO05WvIQUmX4@lizhi-Precision-Tower-5810>
Date: Thu, 19 Dec 2024 12:20:08 -0500
From: Frank Li <Frank.li@....com>
To: Ciprian Costea <ciprianmarian.costea@....nxp.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 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

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