linux-kernel - Re: [PATCH v1 7/7] riscv: dts: starfive: visionfive-v2: Add phy delay

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Date:   Thu, 1 Dec 2022 17:49:02 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Yanhong Wang <yanhong.wang@...rfivetech.com>
Cc:     linux-riscv@...ts.infradead.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Richard Cochran <richardcochran@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Peter Geis <pgwipeout@...il.com>
Subject: Re: [PATCH v1 7/7] riscv: dts: starfive: visionfive-v2: Add phy
 delay_chain configuration

On Thu, Dec 01, 2022 at 05:02:42PM +0800, Yanhong Wang wrote:
> Add phy delay_chain configuration to support motorcomm phy driver for
> StarFive VisionFive 2 board.
> 
> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
> ---
>  .../jh7110-starfive-visionfive-v2.dts         | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
> index c8946cf3a268..2868ef4c74ef 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
> @@ -15,6 +15,8 @@
>  
>  	aliases {
>  		serial0 = &uart0;
> +		ethernet0=&gmac0;
> +		ethernet1=&gmac1;

Please match the whitespace usage of the existing entry.

>  	};
>  
>  	chosen {
> @@ -114,3 +116,47 @@
>  	pinctrl-0 = <&uart0_pins>;
>  	status = "okay";
>  };
> +
> +&gmac0 {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	phy-handle = <&phy0>;
> +	status = "okay";
> +	mdio0 {

A line of whitespace before the child nodes too please :)

> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "snps,dwmac-mdio";
> +		phy0: ethernet-phy@0 {
> +			reg = <0>;
> +			rxc_dly_en = <1>;
> +			tx_delay_sel_fe = <5>;
> +			tx_delay_sel = <0xa>;
> +			tx_inverted_10 = <0x1>;
> +			tx_inverted_100 = <0x1>;
> +			tx_inverted_1000 = <0x1>;
> +		};
> +	};
> +};
> +
> +&gmac1 {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	phy-handle = <&phy1>;
> +	status = "okay";
> +	mdio1 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "snps,dwmac-mdio";
> +		phy1: ethernet-phy@1 {
> +			reg = <1>;
> +			tx_delay_sel_fe = <5>;
> +			tx_delay_sel = <0>;
> +			rxc_dly_en = <0>;
> +			tx_inverted_10 = <0x1>;
> +			tx_inverted_100 = <0x1>;
> +			tx_inverted_1000 = <0x0>;
> +		};
> +	};
> +};
> -- 
> 2.17.1
>