netdev - Re: [PATCH v3 10/11] ARM: dts: stm32: add ethernet1 for STM32MP135F-DK board

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Date: Mon, 3 Jun 2024 15:08:01 +0200
From: Marek Vasut <marex@...x.de>
To: Christophe Roullier <christophe.roullier@...s.st.com>,
 "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>,
 Conor Dooley <conor+dt@...nel.org>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Richard Cochran <richardcochran@...il.com>, Jose Abreu
 <joabreu@...opsys.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 10/11] ARM: dts: stm32: add ethernet1 for
 STM32MP135F-DK board

On 6/3/24 11:27 AM, Christophe Roullier wrote:
> Ethernet1: RMII with crystal
> PHY used is SMSC (LAN8742A)
> 
> Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
> ---
>   arch/arm/boot/dts/st/stm32mp135f-dk.dts | 24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
> index 567e53ad285fa..cebe9b91eced9 100644
> --- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts
> +++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
> @@ -19,6 +19,7 @@ / {
>   	compatible = "st,stm32mp135f-dk", "st,stm32mp135";
>   
>   	aliases {
> +		ethernet0 = &ethernet1;
>   		serial0 = &uart4;
>   		serial1 = &usart1;
>   		serial2 = &uart8;
> @@ -141,6 +142,29 @@ &cryp {
>   	status = "okay";
>   };
>   
> +&ethernet1 {
> +	status = "okay";
> +	pinctrl-0 = <&eth1_rmii_pins_a>;
> +	pinctrl-1 = <&eth1_rmii_sleep_pins_a>;
> +	pinctrl-names = "default", "sleep";
> +	phy-mode = "rmii";
> +	max-speed = <100>;

Is this needed ? RMII cannot go faster than 100 .

Also, keep the list sorted alphabetically , P goes after M .

> +	phy-handle = <&phy0_eth1>;
> +
> +	mdio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "snps,dwmac-mdio";
> +
> +		phy0_eth1: ethernet-phy@0 {
> +			compatible = "ethernet-phy-id0007.c131";
> +			reset-gpios =  <&mcp23017 9 GPIO_ACTIVE_LOW>;

Extra space between = and < , please drop.