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Sat, 30 May 2026 15:00:30 -0700 (PDT) Date: Sun, 31 May 2026 06:00:16 +0800 From: Inochi Amaoto To: Joshua Milas , tglx@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, pjw@kernel.org, samuel.holland@sifive.com, unicorn_wang@outlook.com, inochiama@gmail.com, daniel.lezcano@linaro.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, liujingqi@lanxincomputing.com, alexander.sverdlin@gmail.com, rabenda.cn@gmail.com, dlan@kernel.org, chao.wei@sophgo.com, anup@brainfault.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, hanguidong02@gmail.com, michael.opdenacker@rootcommit.com Subject: Re: [PATCH v5 RESEND 5/5] riscv64: dts: sophgo: add initial Milk-V Duo S board support Message-ID: References: <20260530173347.33533-1-josh.milas@gmail.com> <20260530173347.33533-6-josh.milas@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260530173347.33533-6-josh.milas@gmail.com> On Sat, May 30, 2026 at 01:33:47PM -0400, Joshua Milas wrote: > This adds initial riscv support for the Milk-V Duo S board > [1] making it possible to boot Linux to the command line. > > Link: https://milkv.io/duo-s [1] > > Signed-off-by: Joshua Milas > --- > arch/riscv/boot/dts/sophgo/Makefile | 1 + > .../boot/dts/sophgo/sg2000-milkv-duo-s.dts | 85 +++++++++++++++++++ > 2 files changed, 86 insertions(+) > create mode 100644 arch/riscv/boot/dts/sophgo/sg2000-milkv-duo-s.dts > > diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile > index 6f65526d4193b..58cc6b70d8de4 100644 > --- a/arch/riscv/boot/dts/sophgo/Makefile > +++ b/arch/riscv/boot/dts/sophgo/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb > dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb > +dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-s.dtb > dtb-$(CONFIG_ARCH_SOPHGO) += sg2002-licheerv-nano-b.dtb > dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb > dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-evb-v1.dtb > diff --git a/arch/riscv/boot/dts/sophgo/sg2000-milkv-duo-s.dts b/arch/riscv/boot/dts/sophgo/sg2000-milkv-duo-s.dts > new file mode 100644 > index 0000000000000..8632470f43ab0 > --- /dev/null > +++ b/arch/riscv/boot/dts/sophgo/sg2000-milkv-duo-s.dts > @@ -0,0 +1,85 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) > + > +/dts-v1/; > + > +#include "sg2000.dtsi" > + > +/ { > + model = "Milk-V Duo S"; > + compatible = "milkv,duo-s", "sophgo,sg2000"; > + > + aliases { > + i2c4 = &i2c4; > + mmc0 = &sdhci0; > + serial0 = &uart0; > + spi3 = &spi3; Adding all the necessary aliases here. > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > +}; > + > +&osc { > + clock-frequency = <25000000>; > +}; > + pinctrl is needed, ses sashiko's reply. > +&dmac { > + status = "okay"; > +}; > + > +&emmc { > + bus-width = <4>; > + no-1-8-v; > + cap-mmc-hw-reset; > + no-sd; > + no-sdio; > + non-removable; > + status = "okay"; > +}; > + > +&gmac0 { > + status = "okay"; > +}; > + > +&i2c4 { > + status = "okay"; > +}; > + > +&mdio { > + status = "okay"; > +}; > + > +&saradc { > + status = "okay"; > +}; > + > +&sdhci0 { > + bus-width = <4>; > + no-1-8-v; > + disable-wp; > + status = "okay"; > +}; > + > +&sdhci1 { > + bus-width = <4>; > + cap-sdio-irq; > + no-mmc; > + no-sd; > + non-removable; > + status = "okay"; > +}; > + > +&spi3 { > + status = "okay"; > +}; > + > +&uart0 { > + status = "okay"; > +}; > + > +&usb { > + dr_mode = "host"; > + status = "okay"; > +}; > + > -- > 2.53.0 >