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Message-ID: <20b13322-3cd1-47b1-bb39-2710ddc59a11@kernel.org>
Date:   Mon, 27 Nov 2023 09:50:35 +0100
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User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH 7/7] riscv: dts: starfive: Add initial StarFive JH8100
 device tree
Content-Language: en-US
To:     Sia Jee Heng <jeeheng.sia@starfivetech.com>,
        paul.walmsley@sifive.com, palmer@dabbelt.com,
        aou@eecs.berkeley.edu, conor@kernel.org, kernel@esmil.dk,
        robh+dt@kernel.org, emil.renner.berthing@canonical.com
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        leyfoon.tan@starfivetech.com
References: <20231127013602.253835-1-jeeheng.sia@starfivetech.com>
 <20231127013602.253835-8-jeeheng.sia@starfivetech.com>
From:   Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <20231127013602.253835-8-jeeheng.sia@starfivetech.com>
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Precedence: bulk

On 27/11/2023 02:36, Sia Jee Heng wrote:
> Add initial device tree for the StarFive JH8100 RISC-V SoC
> 
> Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com>
> Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com>
> ---
>  arch/riscv/boot/dts/starfive/Makefile       |   1 +
>  arch/riscv/boot/dts/starfive/jh8100-evb.dts |  42 +++
>  arch/riscv/boot/dts/starfive/jh8100.dtsi    | 365 ++++++++++++++++++++
>  3 files changed, 408 insertions(+)
>  create mode 100644 arch/riscv/boot/dts/starfive/jh8100-evb.dts
>  create mode 100644 arch/riscv/boot/dts/starfive/jh8100.dtsi
> 
> diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
> index 0141504c0f5c..fbb0dc619102 100644
> --- a/arch/riscv/boot/dts/starfive/Makefile
> +++ b/arch/riscv/boot/dts/starfive/Makefile
> @@ -10,3 +10,4 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
>  
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
> +dtb-$(CONFIG_ARCH_STARFIVE) += jh8100-evb.dtb
> diff --git a/arch/riscv/boot/dts/starfive/jh8100-evb.dts b/arch/riscv/boot/dts/starfive/jh8100-evb.dts
> new file mode 100644
> index 000000000000..67c4964a8773
> --- /dev/null
> +++ b/arch/riscv/boot/dts/starfive/jh8100-evb.dts
> @@ -0,0 +1,42 @@
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
> +/*
> + * Copyright (c) 2021-2023 StarFive Technology Co., Ltd.
> + */
> +
> +#include "jh8100.dtsi"
> +
> +/ {
> +	model = "StarFive JH8100 EVB";
> +	compatible = "starfive,jh8100-evb", "starfive,jh8100";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	cpus {
> +		timebase-frequency = <4000000>;

This was fixed recently on the mailing lists.


> +
> +	};
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000 0x2 0x00000000>; /* 8GB */
> +	};
> +
> +	soc {
> +		clk_uart: clk_uart {

Undercores are not allowed in node names. Use hyphen.

Also, boards must not add nodes to the soc. This is board, not SoC DTS.

...

> +
> +		uart6: serial@127e0000  {
> +			compatible = "starfive,jh8100-uart";
> +			reg = <0x0 0x127e0000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			interrupts = <73>;
> +			status = "disabled";
> +		};
> +

Stray blank line. In other places as well.

> +	};
> +};

Best regards,
Krzysztof