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[23.244.200.70]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9153244e114sm565606885a.5.2026.05.30.10.35.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 May 2026 10:35:20 -0700 (PDT) From: Joshua Milas To: 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: josh.milas@gmail.com, 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: [PATCH v5 RESEND 0/5] Add initial Milk-V Duo S board support Date: Sat, 30 May 2026 13:33:42 -0400 Message-ID: <20260530173347.33533-1-josh.milas@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This adds an initial device tree for the Milk-V Duo S board with support for reading from the SD card and network over Ethernet. This is continued work from Michael Opdenacker's v6 series [1] on the ARM64 and RISCV side. It has been tested with ARM64 and RISCV64 to boot from an SD card, have networking, and read I2C slave devices over i2c4. --- v5 - Fixes spaces at beginning of line in &usb node of DTS v4: https://lore.kernel.org/sophgo/20260328173450.219664-2-josh.milas@gmail.com/ - Rebased to latest sophogo/for-next - Added usb node to arm64 and riscv DTS - Removed sg200x link in commit messages - Added missing change to v3 and removed link from v2 v3: https://lore.kernel.org/sophgo/20251029001052.36774-1-josh.milas@gmail.com/ - Added sg2000 interrupt controller and timer to documentation - Added sg2000.dtsi for RISCV and moved DTS over to use it - remove devices from DTS's to match what is available in the default pinmux config. spi0-2, i2c0-3, uart1-4 - Added i2c4 and spi3 aliases - Removed milkv,duo-s from sophgo,cv1812h in documentation v2: https://lore.kernel.org/sophgo/20251011014811.28521-1-josh.milas@gmail.com/ - Made new entry in docs to avoid DTC error - "Milk-V DuoS" -> "Milk-V Duo S" - Sorting of aliases - Added uart*, emmc, mdio, gmac0, i2c*, spi*, dmac, saradc to device tree matching what is available on the pinout - Removal of 'no-mmc' and 'no-sdio' for sdhci0 as it works without - Added riscv device tree v1: https://lore.kernel.org/sophgo/20250927173619.89768-1-josh.milas@gmail.com/ Link: https://lore.kernel.org/linux-riscv/20240421055710.143617-1-michael.opdenacker@bootlin.com/ [1] Joshua Milas (5): dt-bindings: soc: sophgo: add Milk-V Duo S board compatibles arm64: dts: sophgo: add initial Milk-V Duo S board support dt-bindings: soc: sophgo: add sg2000 plic and clint documentation riscv64: dts: sophgo: add SG2000 dtsi riscv64: dts: sophgo: add initial Milk-V Duo S board support .../sifive,plic-1.0.0.yaml | 1 + .../bindings/soc/sophgo/sophgo.yaml | 4 + .../bindings/timer/sifive,clint.yaml | 1 + arch/arm64/boot/dts/sophgo/Makefile | 1 + .../boot/dts/sophgo/sg2000-milkv-duo-s.dts | 85 +++++++++++++++++++ arch/riscv/boot/dts/sophgo/Makefile | 1 + .../boot/dts/sophgo/sg2000-milkv-duo-s.dts | 85 +++++++++++++++++++ arch/riscv/boot/dts/sophgo/sg2000.dtsi | 53 ++++++++++++ 8 files changed, 231 insertions(+) create mode 100644 arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts create mode 100644 arch/riscv/boot/dts/sophgo/sg2000-milkv-duo-s.dts create mode 100644 arch/riscv/boot/dts/sophgo/sg2000.dtsi base-commit: 9aa6068586a9b4cd34cf04f8dee72a7283ab4ae4 -- 2.53.0