linux-kernel - Re: [PATCH v2 2/2] arm64: dts: freescale: add initial device tree for TQMa91xx/MBa91xxCA

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Message-ID: <aMI-1QVqrQeG75y6@dragon>
Date: Thu, 11 Sep 2025 11:15:33 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux@...tq-group.com
Subject: Re: [PATCH v2 2/2] arm64: dts: freescale: add initial device tree
 for TQMa91xx/MBa91xxCA

On Mon, Sep 01, 2025 at 12:04:30PM +0200, Alexander Stein wrote:
> This adds support for TQMa91xx module attached to MBa91xxCA board.
> TQMa91xx is a SOM series using i.MX91 SOC. The SOM features PMIC, RAM,
> e-MMC and some optional peripherals like SPI-NOR, RTC, EEPROM,
> gyroscope and secure element.
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
> Changes in v2:
> * TQMa91xx series includes both CA & LA variant (socket & LGA)
>   adjust commit message accordingly
> * Use JTAG pinctrl by GPIO controller
> * Rename DT node name 'imu' to 'accelerometer'
> 
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../freescale/imx91-tqma9131-mba91xxca.dts    | 739 ++++++++++++++++++
>  .../boot/dts/freescale/imx91-tqma9131.dtsi    | 295 +++++++
>  3 files changed, 1035 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx91-tqma9131-mba91xxca.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx91-tqma9131.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 947de7f125caf..3a937232d6f29 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -338,6 +338,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx91-tqma9131-mba91xxca.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
>  
>  imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
> diff --git a/arch/arm64/boot/dts/freescale/imx91-tqma9131-mba91xxca.dts b/arch/arm64/boot/dts/freescale/imx91-tqma9131-mba91xxca.dts
> new file mode 100644
> index 0000000000000..d9e471e00d760
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx91-tqma9131-mba91xxca.dts
> @@ -0,0 +1,739 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2022-2025 TQ-Systems GmbH <linux@...tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Markus Niebel
> + * Author: Alexander Stein
> + */
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/net/ti-dp83867.h>
> +#include <dt-bindings/pwm/pwm.h>
> +#include <dt-bindings/usb/pd.h>
> +#include "imx91-tqma9131.dtsi"
> +
> +/{
> +	model = "TQ-Systems i.MX91 TQMa91xxLA/TQMa91xxCA on MBa91xxCA starter kit";
> +	compatible = "tq,imx91-tqma9131-mba91xxca", "tq,imx91-tqma9131", "fsl,imx91";
> +	chassis-type = "embedded";
> +
> +	chosen {
> +		stdout-path = &lpuart1;
> +	};
> +
> +	aliases {
> +		eeprom0 = &eeprom0;
> +		ethernet0 = &eqos;
> +		ethernet1 = &fec;
> +		gpio0 = &gpio1;
> +		gpio1 = &gpio2;
> +		gpio2 = &gpio3;
> +		gpio3 = &gpio4;
> +		i2c0 = &lpi2c1;
> +		i2c1 = &lpi2c2;
> +		i2c2 = &lpi2c3;
> +		mmc0 = &usdhc1;
> +		mmc1 = &usdhc2;
> +		rtc0 = &pcf85063;
> +		rtc1 = &bbnsm_rtc;
> +		serial0 = &lpuart1;
> +		serial1 = &lpuart2;

serial should go before rtc right?  I fixed it up and applied both
patches.

Shawn