Hi Zhuxu, On Thu Aug 6, 2026 at 8:13 PM CST, Zhuxu Ran wrote: > Switch Milk-V Duo to the upstream CV1800B devicetree by enabling > CONFIG_OF_UPSTREAM and selecting sophgo/cv1800b-milkv-duo. > > The upstream devicetree keeps the Ethernet MAC disabled and does not > describe the CV1800B SPIF controller. Add U-Boot overrides to preserve > the existing networking and SPI NOR support. > > Signed-off-by: Zhuxu Ran <[email protected]> > --- > arch/riscv/dts/cv1800b-milkv-duo-u-boot.dtsi | 36 > ++++++++++++++++++++++++++++ > board/sophgo/milkv_duo/MAINTAINERS | 1 + > configs/milkv_duo_defconfig | 3 ++- > 3 files changed, 39 insertions(+), 1 deletion(-) >
[...] > diff --git a/board/sophgo/milkv_duo/MAINTAINERS > b/board/sophgo/milkv_duo/MAINTAINERS > index 651a0592f7a..a6ff5585240 100644 > --- a/board/sophgo/milkv_duo/MAINTAINERS > +++ b/board/sophgo/milkv_duo/MAINTAINERS > @@ -4,3 +4,4 @@ S: Maintained > F: board/sophgo/milkv_duo/ > F: configs/milkv_duo_defconfig > F: doc/board/sophgo/milkv_duo.rst > +F: arch/riscv/dts/cv1800b-milkv-duo-u-boot.dtsi How about sorting these alphabetically? > diff --git a/configs/milkv_duo_defconfig b/configs/milkv_duo_defconfig > index f1f3930564b..9d6b80362d5 100644 > --- a/configs/milkv_duo_defconfig > +++ b/configs/milkv_duo_defconfig > @@ -4,7 +4,8 @@ CONFIG_SYS_MALLOC_F_LEN=0x8000 > CONFIG_NR_DRAM_BANKS=1 > CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y > CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x82300000 > -CONFIG_DEFAULT_DEVICE_TREE="cv1800b-milkv-duo" > +CONFIG_DEFAULT_DEVICE_TREE="sophgo/cv1800b-milkv-duo" > +CONFIG_OF_UPSTREAM=y > CONFIG_SYS_LOAD_ADDR=0x80080000 > CONFIG_IDENT_STRING="milkv_duo" > CONFIG_TARGET_MILKV_DUO=y -- Best regards, Junhui Liu
