Milk-V Duo[1] board is an embedded development platform based on the CV1800B[2] chip. Add minimal device tree files for the development board. Currently, now it's supported to boot to a basic shell. NOTE: this series is based on the SG2042 upstream series[3] for the vendor prefix and ARCH_SOPHGO option. Link: https://milkv.io/duo [1] Link: https://en.sophgo.com/product/introduce/cv180xB.html [2] Link: https://lore.kernel.org/linux-riscv/cover.1696433229.git.unicorn_wang@xxxxxxxxxxx/ [3] since v1: - fix dtbs_check warning - add clint node - sort dts in Makefile Jisheng Zhang (5): dt-bindings: interrupt-controller: Add SOPHGO CV1800B plic dt-bindings: timer: Add SOPHGO CV1800B clint dt-bindings: riscv: Add Milk-V Duo board compatibles riscv: dts: sophgo: add initial CV1800B SoC device tree riscv: dts: sophgo: add Milk-V Duo board device tree .../sifive,plic-1.0.0.yaml | 1 + .../devicetree/bindings/riscv/sophgo.yaml | 4 + .../bindings/timer/sifive,clint.yaml | 1 + arch/riscv/boot/dts/sophgo/Makefile | 2 +- .../boot/dts/sophgo/cv1800b-milkv-duo.dts | 38 ++++++ arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 123 ++++++++++++++++++ 6 files changed, 168 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b.dtsi -- 2.40.1