Sipeed manufactures a M1s system-on-module and dock board, add basic support for them. Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx> --- arch/riscv/boot/dts/Makefile | 1 + arch/riscv/boot/dts/bouffalolab/Makefile | 2 ++ .../dts/bouffalolab/bl808-sipeed-m1s-dock.dts | 25 +++++++++++++++++++ .../dts/bouffalolab/bl808-sipeed-m1s.dtsi | 21 ++++++++++++++++ 4 files changed, 49 insertions(+) create mode 100644 arch/riscv/boot/dts/bouffalolab/Makefile create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile index ff174996cdfd..b525467152b2 100644 --- a/arch/riscv/boot/dts/Makefile +++ b/arch/riscv/boot/dts/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 +subdir-y += bouffalolab subdir-y += sifive subdir-y += starfive subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan diff --git a/arch/riscv/boot/dts/bouffalolab/Makefile b/arch/riscv/boot/dts/bouffalolab/Makefile new file mode 100644 index 000000000000..5419964e892d --- /dev/null +++ b/arch/riscv/boot/dts/bouffalolab/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_SOC_BOUFFALOLAB) += bl808-sipeed-m1s-dock.dtb diff --git a/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts new file mode 100644 index 000000000000..c6b4894a7b88 --- /dev/null +++ b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +/* + * Copyright (C) 2022 Jisheng Zhang <jszhang@xxxxxxxxxx> + */ + +/dts-v1/; + +#include "bl808-sipeed-m1s.dtsi" + +/ { + model = "Sipeed M1s Dock"; + compatible = "sipeed,m1s-dock", "sipeed,m1s", "bouffalolab,bl808"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:2000000n8"; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi new file mode 100644 index 000000000000..5026de768534 --- /dev/null +++ b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +/* + * Copyright (C) 2022 Jisheng Zhang <jszhang@xxxxxxxxxx> + */ + +/dts-v1/; + +#include "bl808.dtsi" + +/ { + compatible = "sipeed,m1s", "bouffalolab,bl808"; + + memory@50000000 { + device_type = "memory"; + reg = <0x50000000 0x04000000>; + }; +}; + +&xtal { + clock-frequency = <40000000>; +}; -- 2.38.1