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Date: Mon, 25 Mar 2024 15:34:15 +0200
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Subject: Re: [PATCH v4 4/4] arm64: dts: S32G3: Introduce device tree for
 S32G-VNP-RDB3
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To: Wadim Mueller <wafgo01@gmail.com>, Shawn Guo <shawnguo@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>,
 Sascha Hauer <s.hauer@pengutronix.de>,
 Pengutronix Kernel Team <kernel@pengutronix.de>,
 Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 Jiri Slaby <jirislaby@kernel.org>, Chester Lin <chester62515@gmail.com>,
 =?UTF-8?Q?Andreas_F=C3=A4rber?= <afaerber@suse.de>,
 Matthias Brugger <mbrugger@suse.com>, NXP S32 Linux Team <s32@nxp.com>,
 Tim Harvey <tharvey@gateworks.com>, Marco Felsch <m.felsch@pengutronix.de>,
 Marek Vasut <marex@denx.de>,
 Gregor Herburger <gregor.herburger@ew.tq-group.com>,
 Hugo Villeneuve <hvilleneuve@dimonoff.com>,
 Joao Paulo Goncalves <joao.goncalves@toradex.com>,
 Markus Niebel <Markus.Niebel@ew.tq-group.com>,
 Matthias Schiffer <matthias.schiffer@tq-group.com>,
 Stefan Wahren <stefan.wahren@chargebyte.com>,
 Bjorn Helgaas <bhelgaas@google.com>,
 Philippe Schenker <philippe.schenker@toradex.com>,
 Josua Mayer <josua@solid-run.com>, Li Yang <leoyang.li@nxp.com>,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
 linux-serial@vger.kernel.org
References: <20240324214329.29988-1-wafgo01@gmail.com>
 <20240324214329.29988-5-wafgo01@gmail.com>
 <df6f2a09-8125-4c1a-9dfd-3217233dc076@oss.nxp.com>
 <20240325132634.GA33097@bhlegrsu.conti.de>
From: Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>
In-Reply-To: <20240325132634.GA33097@bhlegrsu.conti.de>
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On 3/25/24 15:26, Wadim Mueller wrote:
> On Mon, Mar 25, 2024 at 11:30:38AM +0200, Ghennadi Procopciuc wrote:
>> On 3/24/24 23:43, Wadim Mueller wrote:
>>> This commit adds device tree support for the NXP S32G3-based
>>> S32G-VNP-RDB3 Board [1].
>>>
>>> The S32G3 features an 8-core ARM Cortex-A53 based SoC developed by NXP.
>>>
>>> The device tree files are derived from the official NXP downstream
>>> Linux tree [2].
>>>
>>> This addition encompasses a limited selection of peripherals that
>>> are upstream-supported. Apart from the ARM System Modules
>>> (GIC, Generic Timer, etc.), the following IPs have been validated:
>>>
>>>     * UART: fsl-linflexuart
>>>     * SDHC: fsl-imx-esdhc
>>>
>>> Clock settings for the chip rely on ATF Firmware [3].
>>> Pin control integration into the device tree is pending and currently
>>> relies on Firmware/U-Boot settings [4].
>>>
>>> These changes were validated using BSP39 Firmware/U-Boot from NXP [5].
>>>
>>> The modifications enable booting the official Ubuntu 22.04 from NXP on
>>> the RDB3 with default settings from the SD card and eMMC.
>>>
>>> [1] https://www.nxp.com/design/design-center/designs/s32g3-vehicle-networking-reference-design:S32G-VNP-RDB3
>>> [2] https://github.com/nxp-auto-linux/linux
>>> [3] https://github.com/nxp-auto-linux/arm-trusted-firmware
>>> [4] https://github.com/nxp-auto-linux/u-boot
>>> [5] https://github.com/nxp-auto-linux/auto_yocto_bsp
>>>
>>> Signed-off-by: Wadim Mueller <wafgo01@gmail.com>
>>> ---
>>
>> Thank you, Wadim, for bringing up the S32G3RDB3 board! The board boots
>> with all 8 cores. The log is attached below.
>>
> 
> Thanks for testing Ghennadi, much appreciated. 
> 
> According to MAINTAINERS all "dts/freescale/" DTS files
> needs to go through the IMX/MXC tree? 
> Is my understanding correct? Just asking whether I understand the file
> content correctly!
> 

Indeed, everything should go through the IMX tree.
Here [0] you can find a long discussion about this.

[0]
https://lore.kernel.org/linux-arm-kernel/a5f7b53a-6b44-4f0b-83f2-b055b8aa3b2d@suse.com/

Regards,
Ghennadi