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| author | Jisheng Zhang <jszhang@kernel.org> | 2023-10-06 14:14:49 +0200 |
|---|---|---|
| committer | Conor Dooley <conor.dooley@microchip.com> | 2023-10-07 15:17:18 +0200 |
| commit | 27df2ed3b145080b3c9c21420e797cc35099b154 (patch) | |
| tree | 5f2a5faf1a1619080a3efcd55e3cd2a703b9ae9c /arch/riscv/boot | |
| parent | riscv: dts: sophgo: add initial CV1800B SoC device tree (diff) | |
| download | linux-27df2ed3b145080b3c9c21420e797cc35099b154.tar.xz linux-27df2ed3b145080b3c9c21420e797cc35099b154.zip | |
riscv: dts: sophgo: add Milk-V Duo board device tree
Milk-V Duo[1] board is an embedded development platform based on the
CV1800B chip. Add minimal device tree files for the development board.
Support basic uart drivers, so supports booting to a basic shell.
Link: https://milkv.io/duo [1]
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'arch/riscv/boot')
| -rw-r--r-- | arch/riscv/boot/dts/sophgo/Makefile | 1 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile index 73af15f42ec2..3fb65512c631 100644 --- a/arch/riscv/boot/dts/sophgo/Makefile +++ b/arch/riscv/boot/dts/sophgo/Makefile @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts new file mode 100644 index 000000000000..3af9e34b3bc7 --- /dev/null +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org> + */ + +/dts-v1/; + +#include "cv1800b.dtsi" + +/ { + model = "Milk-V Duo"; + compatible = "milkv,duo", "sophgo,cv1800b"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x3f40000>; + }; +}; + +&osc { + clock-frequency = <25000000>; +}; + +&uart0 { + status = "okay"; +}; |