From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EDBC6C79FB9 for ; Thu, 10 Sep 2026 09:30:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JKtkXxdK00cnxkq7MQI5trdttRJ3bUYUMh4iv12LSy4=; b=ATiod0pnsTCf6xS80bTDwtJ/Jn SNZ0X2BBknxJ7EHkrVeaOkygPjP1rItt7Lz3onwTxzUF2PnxE+T/hnO0aJ5jR7tN29ltojMpSCpcd TAaCyCK/e9FHsFjW4WAePhx3iO2dKjcERLRotNptibHiIdQLoFMzSODVpFLB+LDahci/nQj+yRgQe eEr0yzY+reJR+zAnfeOAtB1ElNyoiK2/ljhzcyVChtYi5iJyt30qH9pmfkp6RkEg/pwFVpjqFafCe p8QMKDe6rwOBVwUAWtzdtTqJTv82on4A45WUESkjj9eqfs9oRQFddjf+bKm0dN7p0MqCV9auVVd2g JUtEvyqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4b6X-0000000Dt6K-0fcI; Thu, 10 Sep 2026 09:30:01 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4b6U-0000000Dt4y-2wRi; Thu, 10 Sep 2026 09:30:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1789032596; bh=PxNDq22XRY/9sOBL+lIvZftpirBYfi49pQHJ6/5vZkM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=he5UQnzyzLfjpkkTzW8DYrBg9CN7DQBn792CoyEbx4M4X5P23fXdNsjhsYSW3v4ms QAxfOWoopMwPw4GavGwmDRBsc4FDzRmWbKGEKMHEuX12vYXcCXz5eSsVvl+GN2HOV7 c1WD7C3h1tXuZf21Z0orFBDXpvH3k3WvTz6YbKXpTmDm+9ulrE4OCMYh6fjqUG3e7v FqLKcsel0gw/rwCsJrqlE9jqU3Vy4fyuTyKaYkynoiQfxUemp+nbdkGXAtMqVoadEq Ls5Q+4DmfTsouRi+u/XaAZP2yxxUKfIqWhZmrP4vXNlJm3PzlzDhHnjranXdxNATA+ B5z946qCc5t3w== Received: from [100.64.1.21] (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange x25519) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id BD11517E0945; Thu, 10 Sep 2026 11:29:55 +0200 (CEST) Message-ID: Date: Thu, 10 Sep 2026 11:29:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 4/4] ARM: dts: mediatek: Add basic support for Amazon ford board To: zkh@mailbox.org, Matthias Brugger , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sean Wang , Wim Van Sebroeck , Guenter Roeck Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org, zkh1@proton.me References: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@mailbox.org> <20260909-mt8127-amazon-ford-basic-v4-4-e9af5c420ab1@mailbox.org> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20260909-mt8127-amazon-ford-basic-v4-4-e9af5c420ab1@mailbox.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260910_022958_894207_907CBBCB X-CRM114-Status: GOOD ( 16.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/9/26 21:38, Zakariya Hadrami via B4 Relay wrote: > From: Zakariya Hadrami > > This tablet uses a MediaTek MT8127 system-on-chip with 1GB of RAM. > It can currently boot into initramfs with a working UART and > Simple Framebuffer using already initialized panel by the bootloader. > > Signed-off-by: Zakariya Hadrami > --- > arch/arm/boot/dts/mediatek/Makefile | 1 + > arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts | 54 +++++++++++++++++++++++ > 2 files changed, 55 insertions(+) > > diff --git a/arch/arm/boot/dts/mediatek/Makefile b/arch/arm/boot/dts/mediatek/Makefile > index 37c4cded0eae..a610bc75c7d9 100644 > --- a/arch/arm/boot/dts/mediatek/Makefile > +++ b/arch/arm/boot/dts/mediatek/Makefile > @@ -14,5 +14,6 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ > mt7623n-rfb-emmc.dtb \ > mt7623n-bananapi-bpi-r2.dtb \ > mt7629-rfb.dtb \ > + mt8127-amazon-ford.dtb \ > mt8127-moose.dtb \ > mt8135-evbp1.dtb > diff --git a/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts b/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts > new file mode 100644 > index 000000000000..8edad5482de2 > --- /dev/null > +++ b/arch/arm/boot/dts/mediatek/mt8127-amazon-ford.dts > @@ -0,0 +1,54 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +/dts-v1/; > +#include "mt8127.dtsi" > + > +/ { > + model = "MediaTek MT8127 Amazon Ford"; Please be friendlier with whoever reads this model string :-) model = "Amazon Fire 7 2015 (Ford)"; that's better, isn't it? After applying the proposed change, Reviewed-by: AngeloGioacchino Del Regno Cheers, Angelo > + compatible = "amazon,ford", "mediatek,mt8127"; > + chassis-type = "tablet"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + chosen { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + stdout-path = "serial0:921600n8"; > + > + framebuffer0: framebuffer@b7a00000 { > + compatible = "simple-framebuffer"; > + memory-region = <&framebuffer_reserved>; > + width = <1024>; > + height = <600>; > + stride = <(1024 * 2)>; > + format = "r5g6b5"; > + }; > + }; > + > + memory@80000000 { > + device_type = "memory"; > + reg = <0 0x80000000 0 0x40000000>; > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + framebuffer_reserved: framebuffer@b7a00000 { > + reg = <0 0xb7a00000 0 0x1000000>; > + no-map; > + }; > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > + > +&watchdog { > + status = "okay"; > +}; >