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From:   Heiko =?ISO-8859-1?Q?St=FCbner?= <heiko@sntech.de>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jagan Teki <jagan@amarulasolutions.com>,
        Tianling Shen <cnsztl@gmail.com>,
        Peter Geis <pgwipeout@gmail.com>, Andy Yan <andyshrk@163.com>,
        Chris Morgan <macromorgan@hotmail.com>,
        Brian Norris <briannorris@chromium.org>,
        Andrew Lunn <andrew@lunn.ch>, Shawn Guo <shawnguo@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Sebastian Reichel <sebastian.reichel@collabora.com>,
        Maya Matuszczyk <maccraft123mc@gmail.com>,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Vasily Khoruzhick <anarsoul@gmail.com>,
        Tianling Shen <cnsztl@gmail.com>
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: rockchip: Add Lunzn Fastrhino R66S
Date:   Tue, 02 May 2023 11:28:22 +0200
Message-ID: <5782501.VdNmn5OnKV@diego>
In-Reply-To: <20230428013738.30735-2-cnsztl@gmail.com>
References: <20230428013738.30735-1-cnsztl@gmail.com>
 <20230428013738.30735-2-cnsztl@gmail.com>
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Hi,

Am Freitag, 28. April 2023, 03:37:37 CEST schrieb Tianling Shen:
> Lunzn Fastrhino R66S is a high-performance mini router.
> 
> Specification:
> - Rockchip RK3568
> - 1/2GB LPDDR4 RAM
> - SD card slot
> - M.2 Connector
> - 2x USB 3.0 Port
> - 2x 2500 Base-T (PCIe, r8125b)
> - 12v DC Jack
> 
> Signed-off-by: Tianling Shen <cnsztl@gmail.com>
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
>  .../dts/rockchip/rk3568-fastrhino-r66s.dts    |  27 +
>  .../dts/rockchip/rk3568-fastrhino-r66s.dtsi   | 507 ++++++++++++++++++
>  3 files changed, 535 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi
> 
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 2d585bbb8f3a..15089a78555a 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -85,6 +85,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-box-demo.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-fastrhino-r66s.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-lubancat-2.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5c.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5s.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> new file mode 100644
> index 000000000000..fc9e1bdab128
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> @@ -0,0 +1,27 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +
> +#include "rk3568-fastrhino-r66s.dtsi"
> +
> +/ {
> +	model = "Lunzn FastRhino R66S";
> +	compatible = "lunzn,fastrhino-r66s", "rockchip,rk3568";
> +
> +	aliases {
> +		mmc0 = &sdmmc0;
> +	};
> +};
> +
> +&sdmmc0 {

that whole element seems to be duplicated from rk3568-fastrhino-r66s.dtsi?
I don't think we need to declare that twice. If something really changes,
please only declare the new properties when going from dtsi to dts.

> +	max-frequency = <150000000>;
> +	no-sdio;
> +	no-mmc;
> +	bus-width = <4>;
> +	cap-mmc-highspeed;
> +	cap-sd-highspeed;
> +	disable-wp;
> +	vmmc-supply = <&vcc3v3_sd>;
> +	vqmmc-supply = <&vccio_sd>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
> +	status = "okay";
> +};

Thanks
Heiko