Re: [PATCH v2 00/24] ARM: dts: imx7-colibri: device tree improvements

From: Shawn Guo <shawnguo@kernel.org>
To: Marcel Ziswiler <marcel@ziswiler.com>
Cc: linux-arm-kernel@lists.infradead.org,
	Marcel Ziswiler <marcel.ziswiler@toradex.com>,
	Alexander Stein <alexander.stein@ew.tq-group.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Denys Drozdov <denys.drozdov@toradex.com>,
	Fabio Estevam <festevam@denx.de>,
	Fabio Estevam <festevam@gmail.com>,
	Frank Rowand <frowand.list@gmail.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Li Yang <leoyang.li@nxp.com>,
	Lucas Stach <l.stach@pengutronix.de>, Marek Vasut <marex@denx.de>,
	Matthias Schiffer <matthias.schiffer@tq-group.com>,
	Max Krummenacher <max.krummenacher@toradex.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Olof Johansson <olof@lixom.net>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Stefan Agner <stefan@agner.ch>,
	Tim Harvey <tharvey@gateworks.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	soc@kernel.org
Subject: Re: [PATCH v2 00/24] ARM: dts: imx7-colibri: device tree improvements
Date: Sat, 11 Jun 2022 17:16:13 +0800	[thread overview]
Message-ID: <20220611091613.GH254723@dragon> (raw)
In-Reply-To: <20220516134734.493065-1-marcel@ziswiler.com>

On Mon, May 16, 2022 at 03:47:10PM +0200, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
> 
> 
> This is a general update of the Colibri iMX7 device tree files.
> 
> The Toradex Colibri family is composed of a SoM that can be plugged on
> various carrier boards, with carrier boards allowing multiple optional
> accessories (e.g. display, camera, ...).
> 
> The device tree sources are structured into a SoM dtsi and a carrier dts
> which then includes the SoM dtsi. The SoM dtsi defines and enables the
> functionality self-contained on the SoM and prepares for the
> functionality provided by the carrier HW or accessories so that the
> carrier dts then can enable or amend nodes provided. Accessories are
> enabled in overlays depending on HW configuration.
> 
> Please find the following colibri-imx7 device trees improvements:
> 
> - Display/Touch Functionality Overhaul
> Rename display interface to match other modules to make it easier to
> use device tree overlays.
> The parallel RGB interface (lcdif) and all related stuff turn on in a
> device tree overlay. Keep them disabled in the main devicetree.
> As these subsystems are provided by module and not a part of boards,
> move their definitions into the module-level devicetree.
> Disable ad7879 touchscreen which turns on in a devic tree overlay.
> Remains it disabled in the main devicetree.
> The Toradex 7" Capacitive and 10" LVDS touch screens are Atmel MXT
> peripherals available on the I2C bus for touchscreen events. Add
> atmel_mxt_ts node to the module-level device tree. Also, provide pinmux
> configuration for the INT/RST inputs from SODIMM pins 106/107 for most
> carrier boards or an external touchscreen adapter inputs configured to
> SODIMM pins 28/30.
> 
> - Ethernet Improvements
> Add the MDIO bus with the respective PHY.
> Add Ethernet aliases which is required to properly pass MAC address
> from bootloader.
> Add delay for on-module phy supply.
> 
> - USB Device/Host Switching
> Add usb dual-role switching using extcon.
> 
> - MMC/SD
> The original Colibri specification only defined 3.3 volt TTL signaling
> and relied on external on-carrier pull-ups for the SD_DATA[0..3] lines.
> The latest carrier boards like Iris V2 on the other hand are now UHS-I
> compliant by leaving such external on-carrier pull-ups away relying on
> module- or even SoC-level ones which pull up to resp. signaling voltage.
> In such cases, the carrier board-level device tree may explicitly delete
> the no-1-8-v property to enable full UHS-I support.
> Also, fix SD/MMC regulator for the carrier boards using UHS-I modes.
> 
> - Add Iris and Iris V2 Carrier Board Device Trees
> Add support for Toradex Iris carrier boards.
> 
> Changes in v2:
> - Add Krzysztof's acked-by. Thanks!
> - Revert change on arch/arm/boot/dts/imx6dl-colibri-iris.dts which
>   slipped into this patch set by error.
> - Re-based on top of Shawn's for-next.
> 
> Marcel Ziswiler (18):
>   ARM: dts: imx7-colibri: overhaul display/touch functionality
>   ARM: dts: imx7-colibri: add mdio phy node
>   ARM: dts: imx7-colibri: move aliases, chosen, extcon and gpio-keys
>   ARM: dts: imx7-colibri: move regulators
>   ARM: dts: imx7-colibri: clean-up usdhc1 and add sleep config
>   ARM: dts: imx7-colibri: move rtc node
>   ARM: dts: imx7d-colibri-emmc: add cpu1 supply
>   ARM: dts: imx7-colibri-eval-v3: correct can controller comment
>   ARM: dts: imx7-colibri: disable adc2
>   ARM: dts: imx7-colibri-aster: add ssp aka spi cs aka ss pins
>   ARM: dts: imx7-colibri: add clarifying comments
>   ARM: dts: imx7-colibri: alphabetical re-order
>   ARM: dts: imx7-colibri: clean-up device enabling/disabling
>   ARM: dts: imx7-colibri: remove leading zero from reg address
>   ARM: dts: imx7-colibri: set regulator-name properties
>   ARM: dts: imx7-colibri: clean-up iomuxc pinctrl group naming
>   dt-bindings: arm: fsl: add toradex,colibri-imx7s/d/d-emmc-iris/-v2
>   ARM: dts: imx7-colibri: add support for Toradex Iris carrier boards
> 
> Max Krummenacher (1):
>   ARM: dts: imx7-colibri: add ethernet aliases
> 
> Oleksandr Suvorov (3):
>   ARM: dts: imx7-colibri: improve licensing and compatible strings
>   ARM: dts: imx7-colibri: improve wake-up with gpio key
>   ARM: dts: imx7-colibri: add delay for on-module phy supply
> 
> Philippe Schenker (1):
>   ARM: dts: imx7-colibri: add usb dual-role switching using extcon
> 
> Stefan Agner (1):
>   ARM: dts: imx7-colibri: set lcdif clock source to video pll

Applied all, thanks!

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