netdev - Re: [PATCH v4 08/11] ARM: dts: stm32: add ethernet1 and ethernet2 support on stm32mp13

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Date: Fri, 7 Jun 2024 11:18:18 +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 v4 08/11] ARM: dts: stm32: add ethernet1 and ethernet2
 support on stm32mp13

Hi

On 6/4/24 18:49, Marek Vasut wrote:
> On 6/4/24 4:34 PM, Christophe Roullier wrote:
>> Both instances ethernet based on GMAC SNPS IP on stm32mp13.
>> GMAC IP version is SNPS 4.20.
>>
>> Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
>> ---
>>   arch/arm/boot/dts/st/stm32mp131.dtsi | 38 ++++++++++++++++++++++++++++
>>   arch/arm/boot/dts/st/stm32mp133.dtsi | 31 +++++++++++++++++++++++
>>   2 files changed, 69 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi 
>> b/arch/arm/boot/dts/st/stm32mp131.dtsi
>> index 6704ceef284d3..9d05853ececf7 100644
>> --- a/arch/arm/boot/dts/st/stm32mp131.dtsi
>> +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
>> @@ -979,6 +979,12 @@ ts_cal1: calib@5c {
>>               ts_cal2: calib@5e {
>>                   reg = <0x5e 0x2>;
>>               };
>> +            ethernet_mac1_address: mac1@e4 {
>> +                reg = <0xe4 0x6>;
>> +            };
>> +            ethernet_mac2_address: mac2@ea {
>> +                reg = <0xea 0x6>;
>> +            };
>>           };
>>             etzpc: bus@...07000 {
>> @@ -1505,6 +1511,38 @@ sdmmc2: mmc@...07000 {
>>                   status = "disabled";
>>               };
>>   +            ethernet1: ethernet@...0a000 {
>> +                compatible = "st,stm32mp13-dwmac", "snps,dwmac-4.20a";
>> +                reg = <0x5800a000 0x2000>;
>> +                reg-names = "stmmaceth";
>> +                interrupts-extended = <&intc GIC_SPI 62 
>> IRQ_TYPE_LEVEL_HIGH>,
>> +                              <&exti 68 1>;
>> +                interrupt-names = "macirq", "eth_wake_irq";
>> +                clock-names = "stmmaceth",
>> +                          "mac-clk-tx",
>> +                          "mac-clk-rx",
>> +                          "ethstp",
>> +                          "eth-ck";
>> +                clocks = <&rcc ETH1MAC>,
>> +                     <&rcc ETH1TX>,
>> +                     <&rcc ETH1RX>,
>> +                     <&rcc ETH1STP>,
>> +                     <&rcc ETH1CK_K>;
>> +                st,syscon = <&syscfg 0x4 0xff0000>;
>> +                snps,mixed-burst;
>> +                snps,pbl = <2>;
>> +                snps,axi-config = <&stmmac_axi_config_1>;
>> +                snps,tso;
>> +                access-controllers = <&etzpc 48>;
>
> Please keep the list of properties sorted.
>
To be coherent with all other IP, I will keep "access-controllers" 
property just before "status" property.
>> +                status = "disabled";
>> +
>> +                stmmac_axi_config_1: stmmac-axi-config {
>> +                    snps,wr_osr_lmt = <0x7>;
>> +                    snps,rd_osr_lmt = <0x7>;
>> +                    snps,blen = <0 0 0 0 16 8 4>;
>
> Sort here too.
ok
>
>> +                };
>> +            };
>> +
>>               usbphyc: usbphyc@...06000 {
>>                   #address-cells = <1>;
>>                   #size-cells = <0>;
>> diff --git a/arch/arm/boot/dts/st/stm32mp133.dtsi 
>> b/arch/arm/boot/dts/st/stm32mp133.dtsi
>> index 3e394c8e58b92..09c7da1a2eda8 100644
>> --- a/arch/arm/boot/dts/st/stm32mp133.dtsi
>> +++ b/arch/arm/boot/dts/st/stm32mp133.dtsi
>> @@ -67,5 +67,36 @@ channel@18 {
>>                   label = "vrefint";
>>               };
>>           };
>> +
>> +        ethernet2: ethernet@...0e000 {
>> +            compatible = "st,stm32mp13-dwmac", "snps,dwmac-4.20a";
>> +            reg = <0x5800e000 0x2000>;
>> +            reg-names = "stmmaceth";
>> +            interrupts-extended = <&intc GIC_SPI 97 
>> IRQ_TYPE_LEVEL_HIGH>;
>> +            interrupt-names = "macirq";
>> +            clock-names = "stmmaceth",
>> +                      "mac-clk-tx",
>> +                      "mac-clk-rx",
>> +                      "ethstp",
>> +                      "eth-ck";
>> +            clocks = <&rcc ETH2MAC>,
>> +                 <&rcc ETH2TX>,
>> +                 <&rcc ETH2RX>,
>> +                 <&rcc ETH2STP>,
>> +                 <&rcc ETH2CK_K>;
>> +            st,syscon = <&syscfg 0x4 0xff000000>;
>> +            snps,mixed-burst;
>> +            snps,pbl = <2>;
>> +            snps,axi-config = <&stmmac_axi_config_2>;
>> +            snps,tso;
>> +            access-controllers = <&etzpc 49>;
>
> Sort here too.
>
>> +            status = "disabled";
>> +
>> +            stmmac_axi_config_2: stmmac-axi-config {
>> +                snps,wr_osr_lmt = <0x7>;
>> +                snps,rd_osr_lmt = <0x7>;
>> +                snps,blen = <0 0 0 0 16 8 4>;
>
> Sort here too.
>
> [...]