From nobody Fri Sep 25 16:02:14 2026 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 CA6B3493643; 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=da5VneDY38Np65iFS714VmhyOgPQhHl4MA1cxn9ML52eYlCvMrD16FmZs3rDhiDKykYr0mM67ik5g/N9jUsQX/A+7Tg71w/gTb/8AWe/TqtN3/nBN21Q9BG4Cza6akTV6QVHTLAk4orQmptnfHKmZw02j2tq+bYBH85fXqoEWjk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789047025; c=relaxed/simple; bh=G+GpNyZ3b9TKiMP7cNnhhFlFP84K4fw/zV3su+ptBrk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OH4Z0dhsam26gk/NL7Z7E3TteuQ+tD7vStabpVqEPuYrS+vU/1/OFkAPBWUUcfxkOzYDRkLtAFX0HkJ5iMjZhcNpezduiy0N/sBJ/GXCLYwQA0X7HxrwPBdkxXqLBF96344Q9oIZsD4ipZMwpCIJr7dQh/3JN3KTSPMZgAdKJtE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s1t6Z9wc; 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="s1t6Z9wc" Received: by smtp.kernel.org (Postfix) with ESMTPS id 66915C2BCF6; 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=G+GpNyZ3b9TKiMP7cNnhhFlFP84K4fw/zV3su+ptBrk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=s1t6Z9wccxhkoXYVSOovEaeRSOxmP2g+7msqEQOgK+SzjCf2zueGFTaYYl24TNvJD 5Cvr3XlquHvQCY0FVQyFXgMFkLeF9NvQlEEGb7HbnO1GmE0c1pnUGcp36EXQL4kg29 sqcMwLqmLkfUrRDDBrVDjaShaBIDXCqBYQRF3s19RaWofBzwbHqPImg+XqJwVPaXLm NJJj5hs7grQ6O04gJyEHbONMz9PbeA4zxnUkODt7AyBSP45JpIeFTIDVUmAWGKMhbH B4ZMgxrCE2qwArYy2OJVv9mRXjX5fXfmw7hNIkVQwWnkuvDGh88mmXSCzQAV55tGRb CTZp/qdC/2/Tg== 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 42C6BC79FB9; Thu, 10 Sep 2026 13:30:25 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Thu, 10 Sep 2026 15:29:12 +0200 Subject: [PATCH v5 1/4] dt-bindings: watchdog: mediatek: Add MT8127 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: quoted-printable Message-Id: <20260910-mt8127-amazon-ford-basic-v5-1-3cb9eeaffd5c@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 , Krzysztof Kozlowski X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789047024; l=1085; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=l284B/Dwa1uNqUeDmkdnI4eqix70fVEu1j83lsoUYFE=; b=BK/u/Ml/n+dTOzTt148t2f4N0sPqOz2u0dKvpbmaV9yoLqUZUbRUFHqIh8mQ+V8Q2fkAY54/S p2ClCYKpmBOCVCSZCQw63DmxCAhI9f6yY7LnPaGFN4T5zs5iKADArE5 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 Add entry for MT8127 SoC's watchdog which is compatible with MT6589's one. Acked-by: Krzysztof Kozlowski Acked-by: Guenter Roeck Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Zakariya Hadrami --- Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.ya= ml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml index 953629cb9558..e6e4546da0aa 100644 --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml @@ -40,6 +40,7 @@ properties: - mediatek,mt7622-wdt - mediatek,mt7623-wdt - mediatek,mt7629-wdt + - mediatek,mt8127-wdt - mediatek,mt8173-wdt - mediatek,mt8188-wdt - mediatek,mt8189-wdt --=20 2.54.0 From nobody Fri Sep 25 16:02:14 2026 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 C9BAE49BD9E; 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=RMfVSf+K+yVqzLCXyr1Ti/77z8954g0TGeCd2gmTWbcFrc57qLrdtDCzREcgpNk6DATXjACIls52hIhuU1P1RpwVuPl7b3No0mCIkUdDFTubu8Tmm557lCj/T1YTcDc/aF/BlspNUmBuUoi5WZYwcIY0pArAreC6VoPbGCvsToA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789047025; c=relaxed/simple; bh=VWlC7n5SUM9DtFOBPFoA8GByTAAgalb/ZLqc2nBu+mg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sVcjmw79js5YyczavAe8Vez2aQRTaxXGV1/to+VE0g0dhucaz4/UCuR6V2cpilBtAEUOs3m73vGXS/hphIi/zfWGhAsjRD6H0ro7Zt8rif1MimLwztTwcttPTFd1KnF0epK3gFUfX+6EgIiqlC8jk+R81qJVUDVbmv039SdNCBo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=niv1dyqy; 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="niv1dyqy" Received: by smtp.kernel.org (Postfix) with ESMTPS id 763A8C2BCF5; 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=VWlC7n5SUM9DtFOBPFoA8GByTAAgalb/ZLqc2nBu+mg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=niv1dyqyLuz6blBL6bh6N6ldSuwNFZfqM2YhnECq9Mx5DQA9H0LATKZXS+5ighZs3 yGucoAyqk6sAbDERaqKn7BO9cKR0ztn5TvWCGdTAy6HnCwXXlT82jWqoy1wB8dBZ0i QDEBYdXPBQEi/G3UceW90H+NBIng0z7mvl5kOT5ik11ZJLzXJLmz5paOKk/TnNYjw5 PLPoOIqgOs6VdAa/nztbrlS5Q200iK3LwWNF1qlNN6rJC5Urfv0qHBa+iGknmAJSiS I9rZ3Td5lV2xE8jb3tHuBzPXvL4ocpzcyytieZ2s7uHOWFIRRMMai+/CdqUYv9NN81 6gOTHhnPDsLyg== 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 564A7C88E40; Thu, 10 Sep 2026 13:30:25 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Thu, 10 Sep 2026 15:29:13 +0200 Subject: [PATCH v5 2/4] dt-bindings: arm: mediatek: Add MT8127 Amazon ford 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: quoted-printable Message-Id: <20260910-mt8127-amazon-ford-basic-v5-2-3cb9eeaffd5c@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 , Krzysztof Kozlowski X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789047024; l=940; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=6nQiaYGOKfITeaTuR+B1GCX01jYN4Tqbt4wScWriW9U=; b=Sj28nnhxHpArEkTLyWakRCNV540MPZXTEhT//VpZVifjCRiFq3DGcO4Uca9lpsqkhTxMmmCO4 JL4fipZHsZDDNwStnX5k2DKqSjJYsJWoU935VC089jxS1Kmun9xhSqC 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 Add entry for the MT8127 based Amazon ford tablet. Acked-by: Krzysztof Kozlowski Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger Signed-off-by: Zakariya Hadrami --- Documentation/devicetree/bindings/arm/mediatek.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Document= ation/devicetree/bindings/arm/mediatek.yaml index cd4040ad3437..180e6e4948e7 100644 --- a/Documentation/devicetree/bindings/arm/mediatek.yaml +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml @@ -122,6 +122,7 @@ properties: - const: mediatek,mt7988a - items: - enum: + - amazon,ford - mediatek,mt8127-moose - const: mediatek,mt8127 - items: --=20 2.54.0 From nobody Fri Sep 25 16:02:14 2026 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 CD4FD49C4A1; 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=r6FBswBVwuIrce1Tz+A0GuVwi7k0dQ/yHOmpsR9QvjTdy5+fej9jOPF4MWMWkSumuPFroIIJtaXyNmqZ+BHjB+LWx//stSZInqM3+KkO4qzZ8KmLS2KUMpJiuWGZTmr0aKzru9xU6vv7Kjtdh0ra/vLc24cELrSQrWTek/gKV7Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789047025; c=relaxed/simple; bh=el2c82Q9jZQnjAq8JeoE5xjoAon2Ir7WXQIwYLoiIw0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=iqIYrI2/3iRK2SrKxYFTOTeqAFm+IulyNM+TmcQBVw3F1tXADxroFZyXBvFu8PMu2e24m16N2tV2x/GhVL91aWD/kn55yQX1+keRB7cDXUpPJUgwV5MOcZFPI/AKzrpVOFqL3EdI6RvvO9YZmGXmlzGkr51GQE039I289lp1waA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IoTvcL4q; 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="IoTvcL4q" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8260BC2BCFD; 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=el2c82Q9jZQnjAq8JeoE5xjoAon2Ir7WXQIwYLoiIw0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=IoTvcL4qb7kAMMNsSio6TLzR1pW0FNlzpjQqpXpYlFOZlT8PINKJ1CcqXL3yvFlIj Htqn4gGBV/CECLX4eLSuqd6jKBpSOTYJQNGkTCJVwStZNseYn4VMdiampYHP1zYtwM 67gggLPrSPO0AyzIaqBq/8czTbEgc+macRiNj9GYZMKPx10U3IHsIKc4/l9iBAssWA bpdMoUuVNS0JE3dxbnmYwxRjop0t87+UwL+yIoIUmfqVvM1RW01RmH0i0GV3q01OdG 1n/FlEVnxZgfr9tR+2/MyrzyDOJqf/u2jgj6BqMD97hwXcGZnKci9qSa4tjNMsaXQ7 784c1xdNpjITw== 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 6AB34C79F9F; Thu, 10 Sep 2026 13:30:25 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Thu, 10 Sep 2026 15:29:14 +0200 Subject: [PATCH v5 3/4] ARM: dts: mediatek: mt8127: Add watchdog support 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: quoted-printable Message-Id: <20260910-mt8127-amazon-ford-basic-v5-3-3cb9eeaffd5c@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=946; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=rS6D92PxCdmOuwt2bs95T+mGttnr+N31hBdnrfYmhjI=; b=WzS9g1XKg6ATeApnvLuhMIwY0EkbHusHCzcPlKpXj7IJ/nhfYzHhlAAmNFwo8WxsLAwhHVfrW pUzwelPvzq1BA2zE7X3R/uL/NQcrKdfV+NEJDsGiI/6ZJAD29CoOm/9 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 Add watchdog node and disable it by default as it was not present initially. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Zakariya Hadrami --- arch/arm/boot/dts/mediatek/mt8127.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/mediatek/mt8127.dtsi b/arch/arm/boot/dts/med= iatek/mt8127.dtsi index bd61ec7e70c0..9bdf55d2da47 100644 --- a/arch/arm/boot/dts/mediatek/mt8127.dtsi +++ b/arch/arm/boot/dts/mediatek/mt8127.dtsi @@ -99,6 +99,13 @@ soc { compatible =3D "simple-bus"; ranges; =20 + watchdog: watchdog@10007000 { + compatible =3D "mediatek,mt8127-wdt", "mediatek,mt6589-wdt"; + reg =3D <0 0x10007000 0 0x100>; + interrupts =3D ; + status =3D "disabled"; + }; + timer: timer@10008000 { compatible =3D "mediatek,mt8127-timer", "mediatek,mt6577-timer"; --=20 2.54.0 From nobody Fri Sep 25 16:02:14 2026 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: quoted-printable 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/mediat= ek/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) +=3D \ 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/b= oot/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 =3D "Amazon Fire 7 2015 (Ford)"; + compatible =3D "amazon,ford", "mediatek,mt8127"; + chassis-type =3D "tablet"; + + aliases { + serial0 =3D &uart0; + }; + + chosen { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + stdout-path =3D "serial0:921600n8"; + + framebuffer0: framebuffer@b7a00000 { + compatible =3D "simple-framebuffer"; + memory-region =3D <&framebuffer_reserved>; + width =3D <1024>; + height =3D <600>; + stride =3D <(1024 * 2)>; + format =3D "r5g6b5"; + }; + }; + + memory@80000000 { + device_type =3D "memory"; + reg =3D <0 0x80000000 0 0x40000000>; + }; + + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + framebuffer_reserved: framebuffer@b7a00000 { + reg =3D <0 0xb7a00000 0 0x1000000>; + no-map; + }; + }; +}; + +&uart0 { + status =3D "okay"; +}; + +&watchdog { + status =3D "okay"; +}; --=20 2.54.0