From patchwork Fri Jun 20 15:40:49 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Shevchenko via B4 Relay X-Patchwork-Id: 899005 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 7EC952E3B18; Fri, 20 Jun 2025 15:43:54 +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=1750434234; cv=none; b=Vvrk2zwpzYteMH/4v5BEdlHhWLU1HGAFktMAdPq+svR3l5Kaaf/YcUIUsEYsB0CcTfsp4Go6xenxuPWVOLZTjtk6zf76tDzfYSjrb8MwZo3xtijoNlbokEPqP8Fa1S1uPJ0YhUyfOTY3l9b/vpRHy2t61oRbFZzAZzXE6EcexLo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750434234; c=relaxed/simple; bh=JRA+0OlnUj5dL3Gg9wNBfV4MEgqiibfc5y/swMwEpNg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mFLm7DdHzRpw9GpG6noQlBgXbdjWn11gj/mf9qsugdfk5jPc6ABkIjL2augcA/Ken+IFrMxLnnhZysI/kk6uFQDHMDqf/n3JmPXkpzODFG60ynun3ZeZlyi/KwUYtSzRqXm/kC3bN5fDR6y/Z5ka9fTMzZYt/+rmeMHmniIYYsk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oibj5AUU; 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="oibj5AUU" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0F260C116D0; Fri, 20 Jun 2025 15:43:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750434234; bh=JRA+0OlnUj5dL3Gg9wNBfV4MEgqiibfc5y/swMwEpNg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=oibj5AUUVtxRNoR5qlIYqblBoNYAZQM/T4vR+znZMfpWFHBqUuxywUX0mjUIQ5O2s 9vVBOEj+4OmlGbZBrZ9mZWMvGSOaz7Ml5ecSRa/rVz9Vm0ukkdU/OyVLt4P/tmSpX8 N1uxb4mxBkT69zp+U/fSxqjEjWv0chdDuly6K49OMMnonuLLl31saXYpRRd1s+Tz1e uutNg6T4Rmc2qNpBteLkER1bLIM//vBnJ62RzOLguVrJj1UinmESL37vlth4iryGC1 mPrHfZ/1U2cAhsJVWeq959mcutlMIeHgPiwpVxc0u/+sPdnbxchurEiVvk1EhhqIF0 9Dnaz9EhtzdhA== 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 06C3DC7EE2A; Fri, 20 Jun 2025 15:43:54 +0000 (UTC) From: Max Shevchenko via B4 Relay Date: Fri, 20 Jun 2025 18:40:49 +0300 Subject: [PATCH 10/11] ARM: dts: mediatek: add basic support for JTY D101 board Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250620-mt6572-v1-10-e2d47820f042@proton.me> References: <20250620-mt6572-v1-0-e2d47820f042@proton.me> In-Reply-To: <20250620-mt6572-v1-0-e2d47820f042@proton.me> To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Thomas Gleixner , Daniel Lezcano , Wim Van Sebroeck , Guenter Roeck , Sean Wang , Russell King Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-watchdog@vger.kernel.org, Max Shevchenko X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1750434231; l=2358; i=wctrl@proton.me; s=20250603; h=from:subject:message-id; bh=okQp4pzksQbwAVarYxmDvovk3WSeUiFA8NPTsCwIRQ0=; b=fy95bpb/Xfh299fxSxNw8c1epXw9BD3oGxi84uIgIUG+mRzRw4pvGhKR1ZNV7Fz/xBLHtN265 qO6IJAcAL/+AYjI8b3yFJW3xVHFJVFrQz+znwamwN1vv0l6wwSrCsUQ X-Developer-Key: i=wctrl@proton.me; a=ed25519; pk=JXUx3mL/OrnRvbK57HXgugBjEBKq4QgDKJqp7BALm74= X-Endpoint-Received: by B4 Relay for wctrl@proton.me/20250603 with auth_id=421 X-Original-From: Max Shevchenko Reply-To: wctrl@proton.me From: Max Shevchenko This tablet uses a MediaTek MT6572 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: Max Shevchenko --- arch/arm/boot/dts/mediatek/Makefile | 1 + arch/arm/boot/dts/mediatek/mt6572-jty-d101.dts | 62 ++++++++++++++++++++++++++ 2 files changed, 63 insertions(+) diff --git a/arch/arm/boot/dts/mediatek/Makefile b/arch/arm/boot/dts/mediatek/Makefile index 1957947cb41ce86ed101466bf822d4e2dfdfbb61..cb869a1aaec21a1d99f7f2a829b84672a3f52726 100644 --- a/arch/arm/boot/dts/mediatek/Makefile +++ b/arch/arm/boot/dts/mediatek/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt2701-evb.dtb \ + mt6572-jty-d101.dtb \ mt6580-evbp1.dtb \ mt6582-prestigio-pmt5008-3g.dtb \ mt6589-aquaris5.dtb \ diff --git a/arch/arm/boot/dts/mediatek/mt6572-jty-d101.dts b/arch/arm/boot/dts/mediatek/mt6572-jty-d101.dts new file mode 100644 index 0000000000000000000000000000000000000000..5c3b9833073e43fb42e28719c1f206e8884b5f6a --- /dev/null +++ b/arch/arm/boot/dts/mediatek/mt6572-jty-d101.dts @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 Max Shevchenko + */ + +/dts-v1/; +#include "mt6572.dtsi" + +/ { + model = "JTY D101"; + compatible = "jty,d101", "mediatek,mt6572"; + + aliases { + serial0 = &uart0; + }; + + chosen { + #address-cells = <1>; + #size-cells = <1>; + stdout-path = "serial0:921600n8"; + + framebuffer: framebuffer@bf400000 { + compatible = "simple-framebuffer"; + memory-region = <&framebuffer_reserved>; + width = <1024>; + height = <600>; + stride = <(1024 * 2)>; + format = "r5g6b5"; + status = "okay"; + }; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x40000000>; + }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + connsys@80000000 { + reg = <0x80000000 0x100000>; + no-map; + }; + + modem@be000000 { + reg = <0xbe000000 0x1400000>; + no-map; + }; + + framebuffer_reserved: framebuffer@bf400000 { + reg = <0xbf400000 0xc00000>; + no-map; + }; + }; +}; + +&uart0 { + status = "okay"; +};