From nobody Fri Sep 25 18:20:32 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 315DA3CB543; Wed, 9 Sep 2026 19:38:10 +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=1788982691; cv=none; b=lY3q01Eq59ItXxHx6K0QtLGxKLvjuoMfjNA1n39M60HwYve71vtHQKA/lmE12CFJIVUtg7879wh/OtLbB2wcIhDqhr79t0CBzmsC5AYaiIPCB+nRiVvu23ZLJv341MaLx1z0vml824dn9x9l7M/NiuNJI0w3jpSzp9nCms+lxtQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788982691; c=relaxed/simple; bh=XNvMPjZX0+WXpT4mWFJChE+oCnrBaMYSvQo6qFGzXNw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=h4I+wz6vyyeT1Cv8WNCm9dwi3LmKdris6eA2irdomJ7sArRydZdnX3VRcDgcdSD7XgCB0NQJi+yR6ghC3fkl5keBnhMhNCG3YEhgXSaocllDWVQEQ/vUivGk5VlRFrxEfMBa6kYebHSZtMMDtQ8SU9mF27v8pXCnZ62/4bnI9mM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KljriqbO; 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="KljriqbO" Received: by smtp.kernel.org (Postfix) with ESMTPS id BBFFBC2BCF5; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788982690; bh=XNvMPjZX0+WXpT4mWFJChE+oCnrBaMYSvQo6qFGzXNw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=KljriqbOZ9h6iBKiEI5uUOhHf1aXYEQauA9cpkNln+QyTSsu6owH1kLK23Y0rAOdG dq4I0+uMo6wPAIjl3J7SwXqUd+w1WwMZwTaAK/RgH7p5EB2ftUdLoeFXFApa5BZnTH ADDZeskYEpwMm3nbVFwPyT77gUD268/nTnLvBbKBr7chk+I7x3oAh1RzCHVc1Tc7e0 yZokg4dyx31bn03VzedB8+iLxhcky1xxd/sjIepZR+AHlEawl4CwwTlc+ZrCeFJnrk VIDkYmEx5ERYvbO27AiIL7IU49zjJ2yLdgnkzjCrdr4N/t6YyPiFtRun4x06XgoXdw zfago7OqBobOQ== 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 97760C79FB6; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Wed, 09 Sep 2026 21:38:00 +0200 Subject: [PATCH v4 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: <20260909-mt8127-amazon-ford-basic-v4-1-e9af5c420ab1@mailbox.org> References: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@mailbox.org> In-Reply-To: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@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=1788982689; l=1002; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=W+fYT6FEZ+BsGX4xaHNPJY7m/vM9qOAG6TkfJVwh8eg=; b=RO0NOexUOQYrZNLa23zzQi2txgyiSv65tHeLLA4wRx8ItAsbTC49OnXWOb+MlWL+Ux6G9DNOx ztGz/sAG2e8AzaFPAc2pqzxQbvLgLX/GAhzoggVEj1Q2iYvlc8rgPQy 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 Signed-off-by: Zakariya Hadrami Reviewed-by: AngeloGioacchino Del Regno --- 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 18:20:32 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 318193CB911; Wed, 9 Sep 2026 19:38:11 +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=1788982691; cv=none; b=shaEY0grgSW7ahZqCIgxL5JJZ7MvYHodIsnT9z2QEPqI0FBg2GkYEhOx+vrR0sBZOmuzhSkUEenQi/hoDC1n2OunaqnTwgj9FOm5aSaZLWob7CR8BA2P97R9DN93yLP3xqAlWIEe9TLrUTIgX/g3dgxgo79pyIbDUSIDw4e5REM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788982691; c=relaxed/simple; bh=P0qNZiLTQV7gn0UuncV6cdn6iEieMHPrHFYC39KFYEM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ecj82K3/EYkVwhEU6qnKm6I1G03SHV837BK8Rqe0EOD5qikau4l+i4duePXjBJYdhgliBHpIqtACixoajQWgMejcCtdGsOTL1OrdGFNSWOd1eU8Ac13Anj4kd4QKdqnYGG52AEadGMOiMOvXBQMFvu/Yq4dpXIF74V5jrWojlDc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Wc799gg8; 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="Wc799gg8" Received: by smtp.kernel.org (Postfix) with ESMTPS id CDCCDC2BCF4; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788982690; bh=P0qNZiLTQV7gn0UuncV6cdn6iEieMHPrHFYC39KFYEM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Wc799gg8FqMwlc1yZbvQ9bj+97QFPi+iXk803jluNlnO0qKkM0YGbsNBFpWZp01ZR lkHUVW3BQT2PY8dtpB8hlW3/hATWVKZZuN+mZi/Z74g/O0Zn6hnlIbMzZA5HzyiQNc 5sOGazJhU9gh65elRXtY0DyqDbLEjsuCPPWhV6WSPP5GGgBbWHgkxyN1iVHn85ffWN 02qPCVxCxTsVYoLNzVlKe3vlscMe6aPwhX+yxWaX4hBKWWu0mMcwiqC0y7T/LTC/UI /8SibVrVNaqgofS2pZ5Ht6iW7rbvnMNMrSnnlFrMpAWy1Yi2jt1G7G566KUI1MLe9G mWaLxDodTrRpQ== 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 A74F8C79FBD; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Wed, 09 Sep 2026 21:38:01 +0200 Subject: [PATCH v4 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: <20260909-mt8127-amazon-ford-basic-v4-2-e9af5c420ab1@mailbox.org> References: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@mailbox.org> In-Reply-To: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@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=1788982689; l=801; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=6yb/XWefb2wuZDPOBmfMPSdJsXYrkjPox9GtsLygo8Q=; b=5LffDZHmyNBAclDIcnlkhY1WJo3bKSUx98Ij5Kr3xlAwsWWLtksy5ZX/y2KUMOhsuNjLVaCPJ XyeIZo04YroDql575Ijfy+wvDgQN8yZLKhQoYzBtHaMhTPJ/WrBflL+ 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 Signed-off-by: Zakariya Hadrami Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger --- 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 18:20:32 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 317363CB8F5; Wed, 9 Sep 2026 19:38:11 +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=1788982691; cv=none; b=lbAp2QW9N5BVoc7HmnDk7Sq4xsopHDnG0BKBKXm8kM0ZPENmysUzAaGGwLNHdmX+GI4B9ewGJOVxg5rId9PeayI2510VBe+M9kyiXZwsDtogJ+52eYMF+609F06VTFd22m9TSpCOlVPjAljllGPr/PfSSbfhT6DDTViReBGrz2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788982691; c=relaxed/simple; bh=eVriJrMeYp3XHPG8ed08fiWSUJ0t9VB3iX+On7WM94M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=I48xDAPim7A/qIdlwpV9HPD+2+HyG9vYglR/R2ay4EvnKNzegVOc+/HdIAzvvuHsIp5WBv1vSCzurL/zeq7aWGOIbQjVbOwTqsF5eiqRhDakhWdgorS1IIGYjqtQvtee48AbNQcnLkWw6I0oswZ5LZ3ZYP3DOXCxHwKXGaVbJoY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p4lG4TP3; 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="p4lG4TP3" Received: by smtp.kernel.org (Postfix) with ESMTPS id D8AC2C4AF0B; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788982690; bh=eVriJrMeYp3XHPG8ed08fiWSUJ0t9VB3iX+On7WM94M=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=p4lG4TP387gYVDOAYLi1dpNhG00Pgr2+zjS+x5lmndd7KBHE0UHSX3gywW3Rhff74 LJTTn6Mw+CiJZF8e6WOOl3RcEwMYhll7BNtal6gGl8XsJv0Rwf4Nt7z+opSMNzQ4py m8pwnaMkSW1g34K0gXlYfBip+bvMfXmeGogDaBVkeMj1PeeSaUDNu3UGJ6dNycOIPu ZPjhoXhop+5061m73kM/4FXrugIwJnHSkSLX9sE09+cBBRy3cekBHdUyL4ro+1jvy/ ug//93OonOa62628oEL6riXXXh9sM8D2FbmeolDKqI/iZrKXzQhwvV6fWfjLjlG6E3 1Ygg0JDAzqdng== 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 B702EC79FB7; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Wed, 09 Sep 2026 21:38:02 +0200 Subject: [PATCH v4 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: <20260909-mt8127-amazon-ford-basic-v4-3-e9af5c420ab1@mailbox.org> References: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@mailbox.org> In-Reply-To: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@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=1788982689; l=862; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=AX2u3pZcnaoS6OSYF7vpbl8cAzsMvrof+x8jgtKD7wE=; b=uG15he8dZDkFSIREAXSI+NqppUoKDQER6oojwbFPs5KSsXn3gCGG8cTrmab/fuF9Bm0vT/xKh JuzD5J7o/2RAjaa2QT91eqNRlYs2tbtbKqktdVVtd4oAZeITdD0QEzJ 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. Signed-off-by: Zakariya Hadrami Reviewed-by: AngeloGioacchino Del Regno --- 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..3e23673e7a9e 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 18:20:32 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 3982B3CBE6D; Wed, 9 Sep 2026 19:38:11 +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=1788982691; cv=none; b=t+tJsQ1oxWjw3TQpJB1lRB/b2GGRt6ppHWhGc2AcOpeRpTURYWBLiKpUUVmqBIi/nuVKcXMTa5/lA+v2XpkBsUsLxVlyj7n4S/OhQAzmTXo4MZHgAIiIF8xxSLSl0nrnhYuwFsXmfMjbKBueJG7JrFhX5tEJBx8TzCMmQ3fjLuY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788982691; c=relaxed/simple; bh=OmLxNhwIEeGHYJj3Y2qiAiLAo8DjCGsOiITKuTiyw48=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=j5GMEYo56YBrx1uGfUX+ms8Hhg0LxTOtfhxOnhmc5htbmEb+wkGulLHoJ2Zs71VGni6avLjsb5vaGapKbnP5dOBfO3G2yc6jTaV6NFZXgyFKIrjApwUfYrKRsgI2lPs++JkX0oRnuX5Mjir5mXYsPsRFvmf5G2IvnnPw0TI9CB8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ruwBtuB0; 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="ruwBtuB0" Received: by smtp.kernel.org (Postfix) with ESMTPS id E3A15C2BCFF; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788982690; bh=OmLxNhwIEeGHYJj3Y2qiAiLAo8DjCGsOiITKuTiyw48=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=ruwBtuB08FvUpDWjmLZHBPIjeCFnETC4h7L4QFwMacWp/FSVNUCx+qaIhsDlH7I5I boir9XRUHidOLMY4GL8CrAQg6OoKnfNMdsxCS+L4x9x+O18gykVE6GtDOZtFYjhD1r WeC2TpRjzWvKD9WH9Vgs+JpLEav+4v0Rf6VQy1hY7Ot6cglnBmjgYMFYCFAhdi3sd2 q6n9WdVkER0n0JYl0el9aWDzp+fTyUHP4sgxdke6YFdVutuUPRYoHCDYXPNYrLGbws ZaIyuNbMnFJnww6CUUAkJ3FZOr5iLzhfsoJgF25lW9Zr8khRfdcVjOCSF4MWy6xTGh xFoM0uStMH6Dw== 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 CA4D0C88E41; Wed, 9 Sep 2026 19:38:10 +0000 (UTC) From: Zakariya Hadrami via B4 Relay Date: Wed, 09 Sep 2026 21:38:03 +0200 Subject: [PATCH v4 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: <20260909-mt8127-amazon-ford-basic-v4-4-e9af5c420ab1@mailbox.org> References: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@mailbox.org> In-Reply-To: <20260909-mt8127-amazon-ford-basic-v4-0-e9af5c420ab1@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=1788982689; l=2117; i=zkh@mailbox.org; s=20260908; h=from:subject:message-id; bh=ArzZhvqbaHzkwMRg8G+mxS9/RyxJ5FW/7LRvsjsHapo=; b=GLHETlbpi5XIYO5QxABxqgKWx4PFuSTFhmt6Oyla2JeDqArgYfJ4Jzy/6UZPNy3TTgT8Z5D9j HHjkqdWyeIBBP2EZtQFQZSvXX4vK0efzQFHYK3qZtMuidLgqks4qiAs 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. Signed-off-by: Zakariya Hadrami Reviewed-by: AngeloGioacchino Del Regno --- 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..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 =3D "MediaTek MT8127 Amazon 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