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

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Date: Tue, 4 Jun 2024 11:30:41 +0200
From: Christophe ROULLIER <christophe.roullier@...s.st.com>
To: Marek Vasut <marex@...x.de>, "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 15:08, Marek Vasut wrote:
> 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 .
>
ok (I will put in v4)
> Also, keep the list sorted alphabetically , P goes after M .
ok (I will put in v4)
>
>> +    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.
ok (I will put in v4)