From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3C3C3B7B67; Tue, 17 Mar 2026 12:10:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773749413; cv=none; b=Lso/Fg9T+TK0lBSin7yVFkJeNiKp86euNIWVDZsMgsgKH3BMlfUeNmhyPLAEHTTVR+nP0ZSAvLBraPOaOzFcAJcB6eqdrOx25uiG/Lm8dKWl3zaO5IwjbIVSAK5/Apl5HgzkICmQjqm8D0bu6EnBKhktzJ3cmBQRWWQ7OWJLuyE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773749413; c=relaxed/simple; bh=HbTCHtEYVcNSksD4HHfb+VrniL0U4h4a8FM9RBtBeQY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=YZpRe7mhCzEaygOrZovJ+dGtKvO63rHC1o1OL/Al3uOr+tXZQrBCsTzvG0tqi/UWwplPYXnnY5on5lN0V17rr0Kw3CWqTRhUMcWLMzIS9G2XzT5k2hKC72/9ZXbp2EEmwnkDiatCHxoNZDG9HzgFWoo1cScl+ahnaXzdG237vi8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NZ6mojPh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NZ6mojPh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EB3FC19425; Tue, 17 Mar 2026 12:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773749412; bh=HbTCHtEYVcNSksD4HHfb+VrniL0U4h4a8FM9RBtBeQY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=NZ6mojPhDrWk19uFtvMgI/+YM5Igiyue7CRpPuMAu4YTLAGw0y7iUhJKyloSMzoQB JzRTBiwuDn7ts7BrpQR+/wd+lxe5kmmqiaFwBQNp4RBRP3gUhEN+6od2kswNxQjcO0 83ODbaLNJhfOkZm8Naa+DVCBYQ/YuncAYFV96mYoBlEbNaUFViAiQnohOZ97iL+fgN DTpMecnI4rzV45S6KHmcmoEoGBS2v0kN1Um8zEwQFy2OD0l712ArEu+6SDGa3gCzcj L/kKyxygt0UIprCWm+piG/0BQMxRvlnO96qWB05jRdOhQinlZKqpnkzHR0d5nxQBsM UJHNIqoNpoqpw== Message-ID: <30599533-91de-41fd-9420-3f8693ec92ac@kernel.org> Date: Tue, 17 Mar 2026 13:10:06 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] arm64: dts: freescale: add initial device tree for TQMa93xx/MBa93xxLA-MINI To: Alexander Stein , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Shawn Guo Cc: Martin Schmiedel , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux@ew.tq-group.com References: <20260317111704.1075938-1-alexander.stein@ew.tq-group.com> <20260317111704.1075938-3-alexander.stein@ew.tq-group.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/03/2026 12:17, Alexander Stein wrote: > From: Martin Schmiedel > > This adds support for TQMa93xx module attached to MBa93xxLA-MINI board. Please do not use "This commit/patch/change", but imperative mood. See longer explanation here: https://elixir.bootlin.com/linux/v6.16/source/Documentation/process/submitting-patches.rst#L94 > TQMa93xx is a SOM series using i.MX93 SOC. > The MBa93xxLA-MINI has a small form factor and is designed with > WLAN, Bluetooth and WWAN applications in mind. > > Signed-off-by: Martin Schmiedel > Signed-off-by: Alexander Stein > --- > arch/arm64/boot/dts/freescale/Makefile | 1 + > .../imx93-tqma9352-mba93xxla-mini.dts | 637 ++++++++++++++++++ > 2 files changed, 638 insertions(+) > create mode 100644 arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile > index 31bc80586c682..db536522600ac 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -461,6 +461,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-phycore-rpmsg.dtb > dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba91xxca.dtb > dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb > dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb > +dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-mini.dtb > > imx93-tqma9352-mba91xxca-lvds-tm070jvhg33-dtbs := imx93-tqma9352-mba91xxca.dtb imx93-tqma9352-mba91xxca-lvds-tm070jvhg33.dtbo > imx93-tqma9352-mba91xxca-rgb-cdtech-dc44-dtbs := imx93-tqma9352-mba91xxca.dtb imx93-tqma9352-mba91xxca-rgb-cdtech-dc44.dtbo > diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts > new file mode 100644 > index 0000000000000..97693aa5e904d > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-mini.dts > @@ -0,0 +1,637 @@ > +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) > +/* > + * Copyright (c) 2025-2026 TQ-Systems GmbH , > + * D-82229 Seefeld, Germany. > + * Author: Martin Schmiedel > + */ > +/dts-v1/; > + > +#include > +#include > +#include > +#include > +#include > +#include "imx93-tqma9352.dtsi" > + > +/{ > + model = "TQ-Systems i.MX93 TQMa93xxLA on MBa93xxLA-MINI SBC"; > + compatible = "tq,imx93-tqma9352-mba93xxla-mini", > + "tq,imx93-tqma9352", "fsl,imx93"; > + 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; > + i2c3 = &lpi2c4; > + i2c4 = &lpi2c5; > + mmc0 = &usdhc1; > + mmc1 = &usdhc2; > + mmc2 = &usdhc3; > + rtc0 = &pcf85063; > + rtc1 = &bbnsm_rtc; > + serial0 = &lpuart1; > + serial1 = &lpuart2; > + serial2 = &lpuart3; > + serial3 = &lpuart4; > + serial4 = &lpuart5; > + serial5 = &lpuart6; > + serial6 = &lpuart7; > + serial7 = &lpuart8; > + spi0 = &lpspi1; > + spi1 = &lpspi2; > + spi2 = &lpspi3; > + spi3 = &lpspi4; > + spi4 = &lpspi5; > + spi5 = &lpspi6; > + }; > + > + backlight_lvds: backlight { > + compatible = "pwm-backlight"; > + pwms = <&tpm5 0 5000000 0>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_backlight>; > + brightness-levels = <0 4 8 16 32 64 128 255>; > + default-brightness-level = <7>; > + power-supply = <®_12v0>; > + enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; > + status = "disabled"; Why do you add disabled nodes? If the display is not on the board, then the node should not be here. There is no user of that in patch 3/3, either. Best regards, Krzysztof