linux-kernel - Re: [PATCH 23/26] arm64: dts: qcom: sa8775p: add the first 1Gb ethernet interface

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Message-ID: <a21cc6ed-e894-7a38-a203-bebcc1c41230@linaro.org>
Date:   Tue, 13 Jun 2023 20:57:27 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>, Vinod Koul <vkoul@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.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>,
        Conor Dooley <conor+dt@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>
Cc:     netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 23/26] arm64: dts: qcom: sa8775p: add the first 1Gb
 ethernet interface



On 12.06.2023 11:23, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Add the node for the first ethernet interface on sa8775p platforms.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 30 +++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 0e59000a0c82..f43a2a5d1d11 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -2315,6 +2315,36 @@ cpufreq_hw: cpufreq@...91000 {
>  
>  			#freq-domain-cells = <1>;
>  		};
> +
> +		ethernet0: ethernet@...40000 {
> +			compatible = "qcom,sa8775p-ethqos";
> +			reg = <0x0 0x23040000 0x0 0x10000>,
> +			      <0x0 0x23056000 0x0 0x100>;
> +			reg-names = "stmmaceth", "rgmii";
> +
> +			clocks = <&gcc GCC_EMAC0_AXI_CLK>,
> +				 <&gcc GCC_EMAC0_SLV_AHB_CLK>,
> +				 <&gcc GCC_EMAC0_PTP_CLK>,
> +				 <&gcc GCC_EMAC0_PHY_AUX_CLK>;
> +			clock-names = "stmmaceth", "pclk", "ptp_ref", "phyaux";
Please make this a vertical list, one per line

> +
> +			power-domains = <&gcc EMAC0_GDSC>;
> +
> +			interrupts = <GIC_SPI 946 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "macirq";
And another nit, interrupts above clocks would match what I ask others
to do.. Still working on checks/guidelines for this!

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> +
> +			phys = <&serdes_phy>;
> +			phy-names = "serdes";
> +
> +			iommus = <&apps_smmu 0x120 0xf>;
> +
> +			snps,tso;
> +			snps,pbl = <32>;
> +			rx-fifo-depth = <16384>;
> +			tx-fifo-depth = <16384>;
> +
> +			status = "disabled";
> +		};
>  	};
>  
>  	arch_timer: timer {