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Wed, 4 Oct 2023 06:50:16 +0000 Received: from MA0P287MB0332.INDP287.PROD.OUTLOOK.COM ([fe80::efe9:8d54:281b:23f7]) by MA0P287MB0332.INDP287.PROD.OUTLOOK.COM ([fe80::efe9:8d54:281b:23f7%3]) with mapi id 15.20.6838.028; Wed, 4 Oct 2023 06:50:16 +0000 Message-ID: Date: Wed, 4 Oct 2023 14:50:12 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/5] riscv: dts: sophgo: add Milk-V Duo board device tree To: Jisheng Zhang , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Daniel Lezcano , Anup Patel Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, Inochi Amaoto , chao.wei@sophgo.com, xiaoguang.xing@sophgo.com References: <20230930123937.1551-1-jszhang@kernel.org> <20230930123937.1551-6-jszhang@kernel.org> From: Chen Wang In-Reply-To: <20230930123937.1551-6-jszhang@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TMN: [dx3Ypcn0iAHjKS7PQFzamStSi/E20KCb] X-ClientProxiedBy: SI2PR01CA0018.apcprd01.prod.exchangelabs.com (2603:1096:4:191::7) To MA0P287MB0332.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:ab::5) X-Microsoft-Original-Message-ID: <87effa78-7d9a-48e3-982d-e30b057f6ead@outlook.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MA0P287MB0332:EE_|PN2P287MB1529:EE_ X-MS-Office365-Filtering-Correlation-Id: 5c27e667-4e23-42e7-ac83-08dbc4a62a66 X-Microsoft-Antispam: BCL:0; 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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 > --- > 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..5ea9ce398ff6 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-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb > - > +dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb Please adjust it in alphabetical order. > 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"; > +};