linux-kernel - Re: [PATCH 26/26] arm64: dts: qcom: sa8775p-ride: enable ethernet0

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Date:   Tue, 13 Jun 2023 21:08:14 +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 26/26] arm64: dts: qcom: sa8775p-ride: enable ethernet0



On 12.06.2023 11:23, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Enable the first 1Gb ethernet port on sa8775p-ride development board.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
I don't know a whole lot about this, but it passes bindings checks
and looks good overall, so:

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

Konrad
>  arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 89 +++++++++++++++++++++++
>  1 file changed, 89 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> index dbd9553aa5c7..13508271bca8 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> @@ -261,6 +261,95 @@ vreg_l8e: ldo8 {
>  	};
>  };
>  
> +&ethernet0 {
> +	phy-mode = "sgmii";
> +	phy-handle = <&sgmii_phy>;
> +	phy-supply = <&vreg_l5a>;
> +
> +	pinctrl-0 = <&ethernet0_default>;
> +	pinctrl-names = "default";
> +
> +	snps,mtl-rx-config = <&mtl_rx_setup>;
> +	snps,mtl-tx-config = <&mtl_tx_setup>;
> +	snps,ps-speed = <1000>;
> +
> +	status = "okay";
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		reset-gpios = <&pmm8654au_2_gpios 8 GPIO_ACTIVE_LOW>;
> +		reset-delay-us = <11000>;
> +		reset-post-delay-us = <70000>;
> +
> +		sgmii_phy: phy@8 {
> +			reg = <0x8>;
> +			device_type = "ethernet-phy";
> +		};
> +	};
> +
> +	mtl_rx_setup: rx-queues-config {
> +		snps,rx-queues-to-use = <4>;
> +		snps,rx-sched-sp;
> +
> +		queue0 {
> +			snps,dcb-algorithm;
> +			snps,map-to-dma-channel = <0x0>;
> +			snps,route-up;
> +			snps,priority = <0x1>;
> +		};
> +
> +		queue1 {
> +			snps,dcb-algorithm;
> +			snps,map-to-dma-channel = <0x1>;
> +			snps,route-ptp;
> +		};
> +
> +		queue2 {
> +			snps,avb-algorithm;
> +			snps,map-to-dma-channel = <0x2>;
> +			snps,route-avcp;
> +		};
> +
> +		queue3 {
> +			snps,avb-algorithm;
> +			snps,map-to-dma-channel = <0x3>;
> +			snps,priority = <0xc>;
> +		};
> +	};
> +
> +	mtl_tx_setup: tx-queues-config {
> +		snps,tx-queues-to-use = <4>;
> +		snps,tx-sched-sp;
> +
> +		queue0 {
> +			snps,dcb-algorithm;
> +		};
> +
> +		queue1 {
> +			snps,dcb-algorithm;
> +		};
> +
> +		queue2 {
> +			snps,avb-algorithm;
> +			snps,send_slope = <0x1000>;
> +			snps,idle_slope = <0x1000>;
> +			snps,high_credit = <0x3e800>;
> +			snps,low_credit = <0xffc18000>;
> +		};
> +
> +		queue3 {
> +			snps,avb-algorithm;
> +			snps,send_slope = <0x1000>;
> +			snps,idle_slope = <0x1000>;
> +			snps,high_credit = <0x3e800>;
> +			snps,low_credit = <0xffc18000>;
> +		};
> +	};
> +};
> +
>  &i2c11 {
>  	clock-frequency = <400000>;
>  	pinctrl-0 = <&qup_i2c11_default>;