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 C5A6249BD83; Thu, 10 Sep 2026 13:30:25 +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=1789047025; cv=none; b=hjmVmd9Z1oiuS0s340bPg/5KlOfR8JOkqhR6oLU0CSc8BqzeRUsskMbaKJen/FFc/I4LjNHGULGTFTYl7teORYOMnU0iRsptFBsQbpw5L6POa1mS9Mfr7l8VNrwtz6YpT3mzNKtj538rcqwfujL64O5XV/KzeKpB2ql9PxDETWg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789047025; c=relaxed/simple; bh=Xln+3KgYAhViUK6FrJlzb7tWSxGhjzGMjzeQxcxn7yw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kKaaZn0Tnd/b0XCuLZpxcMVAbWAseGNMxKza7ZKayRiHs0Bnqnk/StQ8DXsQtWk6P2n/9Acxo+EQbJsYVsYD4kjTFrtov+AtuJtmxiLCuie36pyngRtER7/O5vG6c13oKvPz46uyBGtflxaEvau3wc0pBV/qV31jboSUZNEOw60= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W+Ol8hOh; 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="W+Ol8hOh" Received: by smtp.kernel.org (Postfix) with ESMTPS id 927C6C2BCFA; Thu, 10 Sep 2026 13:30:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1789047025; bh=Xln+3KgYAhViUK6FrJlzb7tWSxGhjzGMjzeQxcxn7yw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=W+Ol8hOhhuvQ6UiPosVefOjLDMPXo02Njz0JOKz9LX810vCoXcGlTctOGjOAL+WF8 ga0834qK8NEgGSqpuv8PCT6sijpjPYShBdTUJfpmbcW3R/YQziIrqqIUD7ivrX03Z8 DuF9F+I4Sp6QkKqFtyXetr32+MRgKuTTnUlMfgHCRDXBLrA5cOZ60er3SqQhVfl7Bs 1SwMbWztKBNZRcO08jCDpEXWpMcVqx6M2ss4bfTUG6jX85jCH14VaY3ZnU57qYTmhD DRQFhhoQBvy5CdaoYkW6/fVAZYVWLoye2NiWxLyQE08dJi/WW5c2W5ranA6ozE6sdq pjUzu0OqDjmIg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E326C88E45; Thu, 10 Sep 2026 13:30:25 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Thu, 10 Sep 2026 15:29:15 +0200 Subject: [PATCH v5 4/4] ARM: dts: mediatek: Add basic support for Amazon ford board Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260910-mt8127-amazon-ford-basic-v5-4-3cb9eeaffd5c@mailbox.org> References: <20260910-mt8127-amazon-ford-basic-v5-0-3cb9eeaffd5c@mailbox.org> In-Reply-To: <20260910-mt8127-amazon-ford-basic-v5-0-3cb9eeaffd5c@mailbox.org> To: Matthias Brugger , AngeloGioacchino Del Regno , 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, Zakariya Hadrami X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789047024; l=2198; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=DKMWzeIWrDdE5NxRFxhkopW7K+NuB7yjRCdlYC4XOK8=; b=vJS8OzFINpJOzA+dvIdsjqg2jAzrd/LlslT+hjVdFBKY17l7Mpm3LMA+KfGvey69miiTyqSl/ fWmKfqr+KAUAozAz6KDR9PKFrNt/LVlLRgX3+fVnTNbylEDo8Nvfi64 X-Developer-Key: i=zkh@mailbox.org; a=ed25519; pk=up24Xn4ScFKugfT4EJru/UQAS7JOIN+DSQqro+a05T4= X-Endpoint-Received: by B4 Relay for zkh@mailbox.org/20260908 with auth_id=1015 X-Original-From: Zakariya Hadrami Reply-To: zkh@mailbox.org 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. Reviewed-by: AngeloGioacchino Del Regno 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..4b138e832795 --- /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 = "Amazon Fire 7 2015 (Ford)"; + 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"; +}; -- 2.54.0