From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f180.google.com (mail-pg1-f180.google.com [209.85.215.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BAE931280D for ; Sat, 10 Jan 2026 05:20:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768022451; cv=none; b=fPSue7G25pvyvEqx/8jNzf9aMWK//d5AoEriNPUMFuweppH74y52DhhHmF/7oZsdOgTGrsjqbbpOLFtELtTHnMwc98zJS5DXtHUPX+Ng+kLII50di3aa5QGaAUWtqyBmTM++aoF0N4uQs5VObRT57gu1WXrJVF6DnN+8tzz10JU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768022451; c=relaxed/simple; bh=RpX/YUsP57yYRCsMuPjhWD/AM3yMIl5MNE+TunhwMLY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=t2XquA3btus1Asx0BX2rAMuEamF9uGcUQ4s7Rc9U4nEi2keDepK4wMqDCeQlzM2sKrejn+g7BB/rlbyEyAO2wp1gC+9Sq69I+jLaVXN/G/VlyGsDwtl6FKaqpIf4iJPF3HG31tMK99YbF700dM2UxV6iih0GbCQEd8EXcWu/nOk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com; spf=pass smtp.mailfrom=riscstar.com; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b=UhD4eBUG; arc=none smtp.client-ip=209.85.215.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riscstar.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=riscstar.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=riscstar-com.20230601.gappssmtp.com header.i=@riscstar-com.20230601.gappssmtp.com header.b="UhD4eBUG" Received: by mail-pg1-f180.google.com with SMTP id 41be03b00d2f7-c06cb8004e8so1955608a12.0 for ; Fri, 09 Jan 2026 21:20:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=riscstar-com.20230601.gappssmtp.com; s=20230601; t=1768022449; x=1768627249; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=31DgMKkz4Cjgbg70+PADLl7ySardk8pduReCpk77D9U=; b=UhD4eBUGyV4AmGNXtMuKur1e5RuF/HR3mndgtmG/WfLKNWwx/HhD25W6izaUJdgk32 Y1AYGKeiLwib5hDBR36H7C6aB0tH7D3KXNR38CKgBqI62a/0AQ3ptQkmzKZnB7Ej+v2w gAfbg5jQRrzEqKnPTVxHx8xYZN9si4l1R4yNzhQXtSEhjAdkkwHPWx6eWumZMsn+oA1w DK3xjT8Euv36a+w8vuXAjRXb/KuCOX2EHoCDA+oddTBoUCMhStqknWHw++ka75LbSur9 0vEAxrLGrujVKU+h7oCe1UK0jEjDjWj2RlK2Z+zNjXAy4kf31zxbugftD1QfP9uo5Lnr ZEJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768022449; x=1768627249; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=31DgMKkz4Cjgbg70+PADLl7ySardk8pduReCpk77D9U=; b=TwjQDhcRdRH53V9+glqW5J5P6mskF9n1YGUkfTJtcZ8KJqGOtLw8wOAZaggjkozVKn io/Ryixnx8wDpPOOT5/WIC3cEMJ9DFw1qLZUKouREKjb9oF9gJhMbbX2732Ar5qyAkZv yvx170LP46c4iLYmPfX/nAsQ0aWI3e3AKKsd+S0bmNQyDRNoy12PVxBK2JCtZep++I6R 8/V677vbIH130iXABDej461A2O3nLkqDIPiv2hb+vj4L/W42co01wMz9RHVxaT8/Wnf8 PTDaIXQIDS48vbyN6rVq5P+VUTMpFUPhDzLf6InON9PrKOHq+eV1ljqXIEV+/hVf7Hux SxnQ== X-Forwarded-Encrypted: i=1; AJvYcCW1gvK8u5c0LQlKw0QymI/RHGT/D+wfHvWv1UfDn8AcAH9/h04rKJCZ8TMCqlgMcj0jdFAOmo05lrCbEXk=@vger.kernel.org X-Gm-Message-State: AOJu0Yx17V3+WEJOJyFYLLJ6XWOPrGlCCmkDWqiiinLco2eBszA3HDUU nnhGGFcH0mFhx5oxnAR1NGL7MwH0Ad2rPq5BFPghcY1r0/15KkOdgC7lo0oio+nlvl4= X-Gm-Gg: AY/fxX4R3oE2hMJ6QVDeCgurJG0ihGu6zLOhuEwvb9TRSZqzU+h4QlX6D8Za929gpUV /oDhPUkGZiXrVKiOWzvSLaz8x4j7q4zuztbyzfXZeBADi6KpyaR5kl8yKgGh6Kdo2041Yc7EvuT ts+TuckP2cIu6lKxkvCV0ZFfVpITSEDqNe6TtqN6y/Np76Y0/zig2iFJjmLCSZ3iH9/kPJW/XBi c8P+yg53v1AagnGpX3FJTSssz9K08KSLXWOM88ybKT7cxPm5qhIOYWz7TQhJokhy6tM1rdrh+eJ 5g+GZxD8GpLfyg2YptU1c8GMvsfgnFvWNh3HBCchwK/THGJT9TgBVqNLAtSaS194Xemlk6UhRvc TmhCLcy3TfYRN5y63rJ+WIsS6sulxhoQxrsftgmyikuNAhMSgA3BGKxYuz5/K64MnJW8qpUpO/T IogCD0FooPa2XqGOmtoko1iHjLpCZ7eZyNUiV/hAw3XmBcZRO1eQwRYw== X-Google-Smtp-Source: AGHT+IHYGojnyw/X9+Sa4CxlCr/3Vn3pURVbolq+Xy03kMkgcsYibAap3C0WizH8w95DkH1bsHgxGQ== X-Received: by 2002:a17:903:2309:b0:2a0:d46d:f990 with SMTP id d9443c01a7336-2a3ee4e81c6mr120164655ad.31.1768022448640; Fri, 09 Jan 2026 21:20:48 -0800 (PST) Received: from [127.0.1.1] ([45.8.220.108]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a3e3cc88cdsm118208265ad.73.2026.01.09.21.20.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jan 2026 21:20:48 -0800 (PST) From: Guodong Xu Date: Sat, 10 Jan 2026 13:18:23 +0800 Subject: [PATCH v4 11/11] riscv: dts: spacemit: add SpacemiT K3 Pico-ITX board device tree Precedence: bulk X-Mailing-List: linux-serial@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: <20260110-k3-basic-dt-v4-11-d492f3a30ffa@riscstar.com> References: <20260110-k3-basic-dt-v4-0-d492f3a30ffa@riscstar.com> In-Reply-To: <20260110-k3-basic-dt-v4-0-d492f3a30ffa@riscstar.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Daniel Lezcano , Thomas Gleixner , Samuel Holland , Anup Patel , Greg Kroah-Hartman , Jiri Slaby , Lubomir Rintel , Yangyu Chen Cc: Paul Walmsley , Conor Dooley , Heinrich Schuchardt , Kevin Meng Zhang , Anup Patel , Andrew Jones , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, spacemit@lists.linux.dev, linux-serial@vger.kernel.org, Guodong Xu X-Mailer: b4 0.14.3 K3 Pico-ITX is a 2.5-inch single-board computer equipted with a SpacemiT K3 SoC. This minimal device tree enables booting into a serial console with UART output. Signed-off-by: Guodong Xu --- v4: No change. v3: No change. v2: Add aliases node in this board DT. Update the memory node to reflect the hardware truth. Address starts at 0x100000000 (4G) boundary. --- arch/riscv/boot/dts/spacemit/Makefile | 1 + arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 38 ++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile index 95889e7269d1..7e2b87702571 100644 --- a/arch/riscv/boot/dts/spacemit/Makefile +++ b/arch/riscv/boot/dts/spacemit/Makefile @@ -4,3 +4,4 @@ dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb dtb-$(CONFIG_ARCH_SPACEMIT) += k1-musepi-pro.dtb dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-r2s.dtb dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb +dtb-$(CONFIG_ARCH_SPACEMIT) += k3-pico-itx.dtb diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts new file mode 100644 index 000000000000..037ce757e5bc --- /dev/null +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2025 SpacemiT (Hangzhou) Technology Co. Ltd + * Copyright (c) 2025 Guodong Xu + */ + +#include "k3.dtsi" + +/ { + model = "SpacemiT K3 Pico-ITX"; + compatible = "spacemit,k3-pico-itx", "spacemit,k3"; + + aliases { + serial0 = &uart0; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + serial5 = &uart5; + serial6 = &uart6; + serial7 = &uart7; + serial8 = &uart8; + serial9 = &uart9; + serial10 = &uart10; + }; + + chosen { + stdout-path = "serial0"; + }; + + memory@100000000 { + device_type = "memory"; + reg = <0x1 0x00000000 0x4 0x00000000>; + }; +}; + +&uart0 { + status = "okay"; +}; -- 2.43.0