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SubjectRe: [PATCH 6/7] riscv: dts: bouffalolab: add Sipeed M1S dock devicetree
On Sun, Nov 20, 2022 at 04:21:13PM +0800, Jisheng Zhang wrote:
> Sipeed manufactures a M1S system-on-module and dock board, add basic
> support for them.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
> arch/riscv/boot/dts/bouffalolab/Makefile | 2 ++
> .../boot/dts/bouffalolab/bl808-sipeed-m1s.dts | 30 +++++++++++++++++++
> 2 files changed, 32 insertions(+)
> create mode 100644 arch/riscv/boot/dts/bouffalolab/Makefile
> create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dts
>
> diff --git a/arch/riscv/boot/dts/bouffalolab/Makefile b/arch/riscv/boot/dts/bouffalolab/Makefile
> new file mode 100644
> index 000000000000..42e17e1a97bd
> --- /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.dtb
> diff --git a/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dts b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dts
> new file mode 100644
> index 000000000000..64421fb2ad67
> --- /dev/null
> +++ b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dts
> @@ -0,0 +1,30 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2022 Jisheng Zhang <jszhang@kernel.org>
> + */
> +
> +/dts-v1/;
> +
> +#include "bl808.dtsi"
> +
> +/ {
> + model = "Sipeed M1S";
> + compatible = "sipeed,m1s", "bouffalolab,bl808";

These compatibles also need to be defined, in a bouffalolab.yaml in the
riscv/ bindings subdirectory. Otherwise:
arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtb:0:0: /: failed to match any schema with compatible: ['sipeed,m1s', 'bouffalolab,bl808']

Thanks,
Conor.

> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0:2000000n8";
> + };
> +
> + memory@50000000 {
> + device_type = "memory";
> + reg = <0x50000000 0x04000000>;
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> --
> 2.37.2
>

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