linux-kernel - Re: [PATCH 6/7] riscv: dts: bouffalolab: add Sipeed M1S dock devicetree

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Date:   Sun, 20 Nov 2022 19:57:06 +0800
From:   Icenowy Zheng <uwu@...nowy.me>
To:     Jisheng Zhang <jszhang@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        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>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 6/7] riscv: dts: bouffalolab: add Sipeed M1S dock
 devicetree

在 2022-11-20星期日的 16:21 +0800，Jisheng Zhang写道：
> Sipeed manufactures a M1S system-on-module and dock board, add basic
> support for them.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> ---
>  arch/riscv/boot/dts/bouffalolab/Makefile      |  2 ++
>  .../boot/dts/bouffalolab/bl808-sipeed-m1s.dts | 30

I suggest a M1s DTSI and a M1s Dock DTS.

> +++++++++++++++++++
>  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@...nel.org>
> + */
> +
> +/dts-v1/;
> +
> +#include "bl808.dtsi"
> +
> +/ {
> +       model = "Sipeed M1S";
> +       compatible = "sipeed,m1s", "bouffalolab,bl808";
> +
> +       aliases {
> +               serial0 = &uart0;
> +       };
> +
> +       chosen {
> +               stdout-path = "serial0:2000000n8";
> +       };
> +
> +       memory@...00000 {
> +               device_type = "memory";
> +               reg = <0x50000000 0x04000000>;
> +       };
> +};
> +
> +&uart0 {
> +       status = "okay";
> +};