From patchwork Fri Oct 6 12:14:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13411396 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0723DE81DEC for ; Fri, 6 Oct 2023 12:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=opQV0ASeeHdHmwTyrGkXI7GJGg090DLZ6JXTarXA7y4=; b=xGSgjcb21CdoDP udBHaovtQAjkNH+r8n1rAFSpS5gdfct3yOgbPvhpSbVnXynBDV61t8vehck/kG7VlDir6wpvjjSoR v0y5CGeq/pNhPWMtQ6Qv+GZw5vN22iI5mkquEON/TXDV05fHMykqya32bcxDyso1bqiCpi9gmqiUP stLgf20rvUPN6mFCYNpP10w3F2F3F0kvB5rsUH2azA7osHvK7V5IvdSbaihtlMJW7W5VI/s+Kr1HZ kM+tgEZIJdcyMm5WQNz1249Dcae1xrRtC9I3V+JfEf13prN0Ah8d8GTc4gzVOYb/BI+8BvGltBWx9 1WJwLKOhByMsbXlfwt3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qojvL-005m8h-2j; Fri, 06 Oct 2023 12:27:19 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qojvH-005m6T-1r for linux-riscv@lists.infradead.org; Fri, 06 Oct 2023 12:27:17 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id 292E5B82908; Fri, 6 Oct 2023 12:27:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3600EC116A7; Fri, 6 Oct 2023 12:27:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696595233; bh=RtdMEoqo8nayEQ4k8BfxK/6NPIxdjeCli2iRVgA15Qk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l9Zm4XpqcRXxtoKBJ04/OP2WV4jBlgdVOmS+pJWo0bE4lEilHOgidYWUHIXLM6bHS IzwlrGHDYYQg4jsC7LSgmgWQ/WnB4i62BF9L8muVDrWTRqsURMvOM2oJvCnWRXJ18j T/ukWIQtJ/2wYXWptjfh1DluHgU7a51xfTo6oyEbnLnE/zEYEi6MRcDtKKK3NU6Pmf Smm4b938sKDqReI6BKx5sOe+bwcR6RHz30msy9DW9c0slSSSq1qgmYnBnqUT7Nk8SC MLIr3hBjTtrQb3W8HSoLrwcKKDQIsYQoy7HzmeArK3UUxC5lKEeUuC7UVOky8jqkC7 /eCzsLbTMzZAA== From: Jisheng Zhang To: Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Daniel Lezcano Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, Inochi Amaoto Subject: [PATCH v2 5/5] riscv: dts: sophgo: add Milk-V Duo board device tree Date: Fri, 6 Oct 2023 20:14:49 +0800 Message-Id: <20231006121449.721-6-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20231006121449.721-1-jszhang@kernel.org> References: <20231006121449.721-1-jszhang@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231006_052715_744027_FDA812A3 X-CRM114-Status: GOOD ( 13.11 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Milk-V Duo[1] board is an embedded development platform based on the CV1800B chip. Add minimal device tree files for the development board. Support basic uart drivers, so supports booting to a basic shell. Link: https://milkv.io/duo [1] Signed-off-by: Jisheng Zhang Acked-by: Chen Wang --- arch/riscv/boot/dts/sophgo/Makefile | 2 +- .../boot/dts/sophgo/cv1800b-milkv-duo.dts | 38 +++++++++++++++++++ 2 files changed, 39 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile index 5a471b19df22..3fb65512c631 100644 --- a/arch/riscv/boot/dts/sophgo/Makefile +++ b/arch/riscv/boot/dts/sophgo/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb - diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts new file mode 100644 index 000000000000..3af9e34b3bc7 --- /dev/null +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2023 Jisheng Zhang + */ + +/dts-v1/; + +#include "cv1800b.dtsi" + +/ { + model = "Milk-V Duo"; + compatible = "milkv,duo", "sophgo,cv1800b"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x3f40000>; + }; +}; + +&osc { + clock-frequency = <25000000>; +}; + +&uart0 { + status = "okay"; +};