Huashan Pi board is an embedded development platform based on the CV1812H chip. Add minimal device tree files for this board. Currently, it can boot to a basic shell. NOTE: this series is based on the Jisheng's Milk-V Duo patch. Link: https://en.sophgo.com/product/introduce/huashan.html Link: https://en.sophgo.com/product/introduce/cv181xH.html Link: https://lore.kernel.org/linux-riscv/20231006121449.721-1-jszhang@xxxxxxxxxx/ Changed from v3: 1. merge the patch 4 and 5 of v2 to preserve bisectability. Changed from v2: 1. use dt override to save code. 2. code cleanup. Changed from v1: 1. split the patch into several patch and refactor them. Inochi Amaoto (7): dt-bindings: interrupt-controller: Add SOPHGO CV1812H plic dt-bindings: timer: Add SOPHGO CV1812H clint dt-bindings: riscv: Add SOPHGO Huashan Pi board compatibles riscv: dts: sophgo: Separate compatible specific for CV1800B soc riscv: dts: sophgo: cv18xx: Add gpio devices riscv: dts: sophgo: add initial CV1812H SoC device tree riscv: dts: sophgo: add Huashan Pi 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 | 1 + arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 119 +---------- .../boot/dts/sophgo/cv1812h-huashan-pi.dts | 48 +++++ arch/riscv/boot/dts/sophgo/cv1812h.dtsi | 24 +++ arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 193 ++++++++++++++++++ 8 files changed, 279 insertions(+), 112 deletions(-) create mode 100644 arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts create mode 100644 arch/riscv/boot/dts/sophgo/cv1812h.dtsi create mode 100644 arch/riscv/boot/dts/sophgo/cv18xx.dtsi -- 2.42.0