linux-kernel - [PATCH v1 0/2] arm64: dts: imx8mp: add support for the ABB SoM and carrier

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Message-Id: <20241028082332.21672-1-hs@denx.de>
Date: Mon, 28 Oct 2024 09:23:30 +0100
From: Heiko Schocher <hs@...x.de>
To: linux-kernel@...r.kernel.org
Cc: Heiko Schocher <hs@...x.de>,
	Alexander Stein <alexander.stein@...tq-group.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Gregor Herburger <gregor.herburger@...tq-group.com>,
	Hiago De Franco <hiago.franco@...adex.com>,
	Hugo Villeneuve <hvilleneuve@...onoff.com>,
	Joao Paulo Goncalves <joao.goncalves@...adex.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Mathieu Othacehe <m.othacehe@...il.com>,
	Max Merchel <Max.Merchel@...tq-group.com>,
	Michael Walle <mwalle@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Tim Harvey <tharvey@...eworks.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 0/2] arm64: dts: imx8mp: add support for the ABB SoM and carrier

The board uses a ABB specific SoM from ADLink, based on NXP
i.MX8MP SoC. The SoM is used on 3 different carrier boards,
with small differences, which are all catched up in
devicetree overlays. The kernel image, the basic dtb
and all dtbos are collected in a fitimage. As bootloader
is used U-Boot which detects in his SPL stage the carrier
board by probing some i2c devices. When the correct
carrier is probed, the SPL applies all needed dtbos to
the dtb with which U-Boot gets loaded. Same principle
later before linux image boot, U-Boot applies the dtbos
needed for the carrier board before booting Linux.

So intentionally, there are no full dtb images for all
carrier combinations, only dtbos which applied as needed
on boottime.

Patches to U-Boot mailinglist not posted yet, as U-Boot
uses the same dtb as linux, so hope to get the linux
files first in, and use them when posting U-Boot board
support.

series is based on:
819837584309 - (tag: v6.12-rc5, origin/master, origin/HEAD) Linux 6.12-rc5



Heiko Schocher (2):
  dt-bindings: arm: fsl: Add ABB SoM and carrier
  arm64: dts: imx8mp: add aristainetos3 board support

 .../devicetree/bindings/arm/fsl.yaml          |    2 +
 arch/arm64/boot/dts/freescale/Makefile        |    5 +
 .../imx8mp-aristainetos3-adpismarc.dtsi       |   64 +
 .../imx8mp-aristainetos3-adpismarc.dtso       |   14 +
 .../imx8mp-aristainetos3-helios-lvds.dtsi     |   89 ++
 .../imx8mp-aristainetos3-helios-lvds.dtso     |   13 +
 .../imx8mp-aristainetos3-helios.dtsi          |  103 ++
 .../imx8mp-aristainetos3-helios.dtso          |   13 +
 .../imx8mp-aristainetos3-proton2s.dtsi        |  176 +++
 .../imx8mp-aristainetos3-proton2s.dtso        |   13 +
 .../imx8mp-aristainetos3a-som-v1.dts          |   18 +
 .../imx8mp-aristainetos3a-som-v1.dtsi         | 1210 +++++++++++++++++
 12 files changed, 1720 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-adpismarc.dtsi
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-adpismarc.dtso
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios-lvds.dtsi
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios-lvds.dtso
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dtsi
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dtso
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dtsi
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dtso
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dts
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dtsi

-- 
2.20.1