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Date: Sun, 27 Nov 2022 17:32:48 +0000
From: Conor Dooley <conor@...nel.org>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v2 7/9] riscv: dts: bouffalolab: add Sipeed M1s SoM and
Dock devicetree
On Sun, Nov 27, 2022 at 09:24:46PM +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@...nel.org>
Other than the plic compatibe in 5/9 needing a fix one way or another,
the dts looks fine so
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Thanks,
Conor.
> ---
> 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@...nel.org>
> + */
> +
> +/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@...nel.org>
> + */
> +
> +/dts-v1/;
> +
> +#include "bl808.dtsi"
> +
> +/ {
> + compatible = "sipeed,m1s", "bouffalolab,bl808";
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x50000000 0x04000000>;
> + };
> +};
> +
> +&xtal {
> + clock-frequency = <40000000>;
> +};
> --
> 2.38.1
>
>
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> linux-riscv@...ts.infradead.org
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